Contact
Probes

MKT-TAISEI Co.,Ltd.

CONTENTS

Custom Made
(Applicable Product Specification / Requested Matters Contact Form)

3

Plunger Tip Shapes List

4

Example Of Use

5

Recommended hole diameter of the board
and precautions for use

6TP020 Series

7

TP026 Series

8

TP031 Series

9

TP040 Series

10

TP050 Series

11

TW026,030 Series

12

TW038 Series

13

TW040, 048 Series

14

TW050 Series

15

SP260 Series

16

SP300 Series

17

SP350, 380 Series

18

e-probes_contents-03

Custom Made

TAISEI(Applicable Product Specification / Requested Matters Contact Form)

We will correspond to various custom products.
For each item, please tell us your request.
(Please specify and dimension value for corresponding part.)

One Side Probe (Single Side Probe . TP series).

Probe Full Length=.

Plunger Length=.

Plunger Outer Diameter= mmMaterial·Plating=mmmm
Shape*1

Material·Plating=.

Stroke=.

Barrel Outer Diameter= mm.

Spring·Spring Pressure=gf

Material · Plating=mm

Stroke=.

mm

Plunger Shape=*1 The shape of the plunger, please see the tip shape list in the next page.

Correspondence Receptacle.

Socket Full Length=.

Probe Insertion Length=.

Brim Length=.

Brim Outer Diameter=
Belt Position (Dimensional)=

mm.

Belt Length=mm

Wire Length=

.

mm

mm

Strip Length=

.

mm

.

mm

mm

.

mm

Receptacle Outer Diameter=
mm.

Belt Outer Diameter=

.

mm

mm

Both Ends Probe (Double Side Probe . TW series)

Probe Full Length=
Plunger Length=.

Material·Plating=

Stroke=.

mm

Barrel Outer Diameter=
.
mm
Barrel Material=(Designated by us)*2

mm

Plunger Outer Diameter=(Designated by us)*2.

Shape 1*1

Plunger Length=
Material·Plating=

Shape 2*1
Stroke=mm
Spring·Spring Pressure=

.

.

mm

gf

Material · Plating=
Stroke=.

mm

Plunger Shape 1=

Plunger Shape 2=*1 For the shape of the plunger, please see the tip shape list in the next page.
*2 Please contact us for the locations designated by us.

Head Office Sales Dept.
Address : 6972 Shimo-Yoshida, Chichibu-shi, Saitama-ken,
369-1593, JAPAN.
Phone : +81-494-77-1211 / FAX : +81-494-77-1415

Sales Office
Address : 3-10-8, Nohagi 1st Bldg, Minami-Ikebukuro, Toshima-ku, Tokyo, 171-0022, Japan.
Phone : +81-3-3982-0029 / FAX : +81-3-3986-1537
Web Site : http://www.mkt-taisei.co.jp/
e-custom_made-03

TAISEI

Plunger Tip Shapes List

NH

RH

RW

VH

VW

FH

DH

FW

4P

4H

4W

5H

6H

7H

9H

MH

SH

AH

NB

RB

(Hexagonal 90)Trigonal Pyramid
R Head

RT

VB

VT

FB

FT

DB

4B

4T

Needle Head

V-Cup Taper
Head

Crown 4-Point
Pyramid Head

Crown Head
6-Point

Star Head

Round Shaft
Taper

Flat Taper

Round Shaft
Head

Flat Head

Crown Head
4-Point

Crown Head
7-Point

V-Cup

Self Cleaning

Round Shaft
Taper Head

Self Cleaning
Head

Crown 4-Point
Taper Head

Crown Head
9-Point

NeedleV-Cup Taper

Crown 4-Point

V-Cup Head

Flat Taper Head

Crown Head
5-Point

Mesh Head

Round Shaft

Flat

Crown 4-PointTaper

All specifications are subject to change without notice.

Head Office Sales Dept.
Address : 6972 Shimo-Yoshida, Chichibu-shi, Saitama-ken,
369-1593, JAPAN.
Phone : +81-494-77-1211 / FAX : +81-494-77-1415

Sales Office
Address : 3-10-8, Nohagi 1st Bldg, Minami-Ikebukuro, Toshima-ku, Tokyo, 171-0022, Japan.
Phone : +81-3-3982-0029 / FAX : +81-3-3986-1537
Web Site : http://www.mkt-taisei.co.jp/
e-plunger-03

Example Of Use

TAISEI

It is an introduction of suitable probe tip shape to the use part and shape state.

For through holes
NH

AH

Needle Head

Trigonal Pyramid R HeadFor soldering surface, surface mounting,appearing parts of the lead
4H

Crown Head 4-Point

4B

Crown 4-Point

For soldering surface, appearing parts of
the lead, uneven surfaceMH

Mesh Head

9H

Crown Head 9-Point

For measuring terminals, connectors
FH

VH

Flat Head

V-Cup Head

VB

V-Cup

FB

Flat

For printed circuit boards, flat cables etc.,(hard to injure a contact surface)
RH

Round Shaft HeadRB

Round Shaft

For narrow pitch place
NB

NeedleAll specifications are subject to change without notice.

Head Office Sales Dept.
Address : 6972 Shimo-Yoshida, Chichibu-shi, Saitama-ken,
369-1593, JAPAN.
Phone : +81-494-77-1211 / FAX : +81-494-77-1415

Sales Office
Address : 3-10-8, Nohagi 1st Bldg, Minami-Ikebukuro, Toshima-ku, Tokyo, 171-0022, Japan.
Phone : +81-3-3982-0029 / FAX : +81-3-3986-1537
Web Site : http://www.mkt-taisei.co.jp/
e-custom_head-02

Recommended hole diameter of the board
and precautions for use

TAISEI

Recommended hole diameter of the board

Insertion Direction

Receptacle
Receptacle Insertion Side

C

a

Board
b

Recommended hole diameter of the board
for the series compatible receptacle diameter(Acrylic · Bakelite)

Wire Caulking Part

Series
050
040
031
026

Wire(Cover)Wire(Lead Wire)

a
b
c
0.70 a Through0.57 a Through0.38 or more 4.0
0.35 or more 3.0

Probe precautions for use●If it is pushed for more than 2/3 stroke, it may cause damage,so please use less than 2/3 stroke.
●The life cycle varies depending on the number of times of repetition andusage environment.

All specifications are subject to change without notice.

Head Office Sales Dept.
Address : 6972 Shimo-Yoshida, Chichibu-shi, Saitama-ken,
369-1593, JAPAN.
Phone : +81-494-77-1211 / FAX : +81-494-77-1415

Sales Office
Address : 3-10-8, Nohagi 1st Bldg, Minami-Ikebukuro, Toshima-ku, Tokyo, 171-0022, Japan.
Phone : +81-3-3982-0029 / FAX : +81-3-3986-1537
Web Site : http://www.mkt-taisei.co.jp/
e-socket_probe-03

TP020 series Recommended Pitch 0.45 mm
Probe Standard Items

TAISEI

Probe Protruding Quantity
when Inserting into RT020

Unit:mm■TP020-NHC01-00
Needle Head 60
4.7(13.7)

Stroke

0.20

0.12

10.0
(1.2)

0.20

3.7
2.5

1.2 mm
3.46 gf
6.52 gf
1A

Spring ForceMax. Current

Board

Spring Force
Transition Table

20.0
15.0

Material
Steel
Phosphor Bronze
Piano Wire

Parts Name
Plunger
BarrelSpring[gf]

Preload
0.8 mm Recommended Stroke■TP020-RHC01-00

10.0

FinishAu Plated
Au Plated
Au Plated

5.0
Attachment 0.5 1.0 1.5 2.0 [mm]■TP020-NBC01-00

Round Shaft Head

Needle 60°

0.20

0.12

1.5

*Stroke Quantity 1.5mm(0.215)

Correspondence Receptacle Standard Items

11.5

Wire Length(2.5)

Wire Color
Red
Green
Wireless

Product Name
RT020-RR00
RT020-RG00
RT020-RA00

Parts Name
Receptacle
Wire(0.20)(0.28)

9.0

0.30

Bugle Shape
Outer Diameter0.32

Unit:mmMaterial
Phosphor Bronze
Polyurethane Copper Wire

FinishAu Plated

All specifications are subject to change without notice.

Head Office Sales Dept.
Address : 6972 Shimo-Yoshida, Chichibu-shi, Saitama-ken,
369-1593, JAPAN.
Phone : +81-494-77-1211 / FAX : +81-494-77-1415

Sales Office
Address : 3-10-8, Nohagi 1st Bldg, Minami-Ikebukuro, Toshima-ku, Tokyo, 171-0022, Japan.
Phone : +81-3-3982-0029 / FAX : +81-3-3986-1537
Web Site : http://www.mkt-taisei.co.jp/
e-tp020-03

TP026 series Recommended Pitch 0.50 mm

TAISEI
Probe Standard Items

Probe Protruding Quantity
when Inserting into RT026

Unit:mm■TP026-NHC01-00
Needle Head 60
4.6(15.0)
4.0

11.0
(1.5)

Stroke

1.5 mm
6.22 gf
15.0 gf
1A

Spring ForceMax. Current
Parts Name
Plunger
BarrelSpring

Board

0.26

0.26

0.15

2.5

Spring Force
Transition Table[gf]

Preload
1.0 mm Recommended Stroke

15.0

Material
Steel
Phosphor Bronze
Piano Wire

■TP026-RHC01-00

20.0

10.0

FinishAu Plated
Au Plated
Au Plated

5.0

Attachment 0.5 1.0 1.5 2.0 [mm]■TP026-NBC01-00■TP026-4WC01-00
Crown 4-Point Taper Head

0.10

Needle 60°

0.16

Round Shaft HeadCorrespondence Receptacle Standard Items
14.0

Unit:mmWire Length(10.5)
1.0

(2.0)

0.2

Wire Color
Red
Blue
Wireless

Product Name
RT026-BR11
RT026-BB11
RT026-BA11(0.16)(0.30)0.35

0.3750.40

0.1

Parts Name
Material
FinishReceptacle
Phosphor Bronze
Au Plated
Insulator
Fluorine Resin
Wire
Conductor Silver Plated Annealed Copper Wire

All specifications are subject to change without notice.

Head Office Sales Dept.
Address : 6972 Shimo-Yoshida, Chichibu-shi, Saitama-ken,
369-1593, JAPAN.
Phone : +81-494-77-1211 / FAX : +81-494-77-1415

Sales Office
Address : 3-10-8, Nohagi 1st Bldg, Minami-Ikebukuro, Toshima-ku, Tokyo, 171-0022, Japan.
Phone : +81-3-3982-0029 / FAX : +81-3-3986-1537
Web Site : http://www.mkt-taisei.co.jp/
e-tp026-03

TP031 series Recommended Pitch 0.60 mm
Probe Standard Items

TAISEI

Unit:mm■TP031-NHC03-00

Probe Protruding Quantity
when Inserting into RT031

Needle Head 60
(17.0)

5.1(13.0)

4.0
(1.5)

Board

0.31

0.22

0.40

2.5

StrokeMax. Current

1.5 mm15.3 gf30.0 gf
1A

Parts Name
Plunger
BarrelSpringMaterial
Steel
Phosphor Bronze
Piano Wire

Spring Force[gf]

Preload
1.0 mm Recommended Stroke

Spring Force
Transition Table

35.0
30.0
25.0

FinishAu Plated
Au Plated
Au Plated

20.0
15.0
10.0
5.0

Attachment 0.5 1.0 1.5 2.0 [mm]■TP031-RHC03-00■TP031-NBC03-00■TP031-4WC03-00

Needle 60°

Crown 4-Point Taper Head

0.1

0.22

Round Shaft HeadCorrespondence Receptacle Standard Items

Unit:mm

16.0

Wire Length(12.0)
1.0

(2.5)

0.2

Wire Color
PurpleYellow
Wireless

Product Name
RT031-BP11
RT031-BY11
RT031-BA11(0.16)(0.34)

0.40

0.43

0.46

0.1

Parts Name
Material
FinishReceptacle
Phosphor Bronze
Au Plated
Insulator
Fluorine Resin
Wire
Conductor Silver Plated Annealed Copper Wire

All specifications are subject to change without notice.

Head Office Sales Dept.
Address : 6972 Shimo-Yoshida, Chichibu-shi, Saitama-ken,
369-1593, JAPAN.
Phone : +81-494-77-1211 / FAX : +81-494-77-1415

Sales Office
Address : 3-10-8, Nohagi 1st Bldg, Minami-Ikebukuro, Toshima-ku, Tokyo, 171-0022, Japan.
Phone : +81-3-3982-0029 / FAX : +81-3-3986-1537
Web Site : http://www.mkt-taisei.co.jp/
e-tp031-03

TP040 series Recommended Pitch 0.80 mm

TAISEI
Probe Standard Items

Probe Protruding Quantity
when Inserting into RT040

Unit:mm■TP040-NHC04-00
Needle Head 60
5.1(14.0)(10.0)

4.0(1.5)

StrokeSpring Force
Transition Table

Max. Current

1.5 mm
13.0 gf
40.0 gf
1A

Parts Name
Plunger
BarrelSpringMaterial
Steel
Phosphor Bronze
Piano Wire

Spring Force

Board

0.40

0.30

0.40

2.5

[gf]

50.0
45.0
40.0
35.0
30.0
25.0
20.0
15.0
10.0
5.0

Preload
1.0 mm Recommended Stroke
FinishAu Plated
Au Plated
Au Plated

Attachment 0.5 1.0 1.5 2.0 [mm]■TP040-RHC04-00■TP040-NBC04-00■TP040-4WC04-00

Needle 60°

Crown 4-Point Taper Head

0.15

0.31

Round Shaft HeadCorrespondence Receptacle Standard Items

Unit:mm

13.0

Wire Length

(9.0)
2.0

0.1

(3.0)

(2.5)

Wire ColorBlue
OrangeWireless

Product Name
RT040-BB00
RT040-BD00
RT040-BA00(0.24)(0.39)

0.56

0.58

0.62

0.2

Parts Name
Material
FinishReceptacle
Phosphor Bronze
Au Plated
Insulator
Fluorine Resin
Wire
Conductor Silver Plated Annealed Copper Wire

All specifications are subject to change without notice.

Head Office Sales Dept.
Address : 6972 Shimo-Yoshida, Chichibu-shi, Saitama-ken,
369-1593, JAPAN.
Phone : +81-494-77-1211 / FAX : +81-494-77-1415

Sales Office
Address : 3-10-8, Nohagi 1st Bldg, Minami-Ikebukuro, Toshima-ku, Tokyo, 171-0022, Japan.
Phone : +81-3-3982-0029 / FAX : +81-3-3986-1537
Web Site : http://www.mkt-taisei.co.jp/
e-tp040-03

TP050 series Recommended Pitch 0.90 mm
Probe Standard Items

TAISEI

Unit:mm■TP050-NHC04-00

Probe Protruding Quantity
when Inserting into RT050

Needle Head 60
(18.3)(14.0)
(1.8)

Board

0.50

0.36

0.70

5.3

4.3
2.5

StrokeMax. Current

1.8 mm15.8 gf
40.0 gf
1A

Parts Name
Plunger
BarrelSpringMaterial
Steel
Phosphor Bronze
Piano Wire

Spring Force[gf]

Spring Force
Transition Table

50.0
45.0
40.0
35.0
30.0
25.0
20.0
15.0
10.0
5.0

Preload
1.2 mm Recommended Stroke
FinishAu Plated
Au Plated
Au Plated

Attachment 0.5 1.0 1.5 2.0 [mm]■TP050-RHC04-00■TP050-NBC04-00■TP050-4WC04-00
Crown 4-Point Taper Head

0.15

Needle 60°

0.36

Round Shaft HeadCorrespondence Receptacle Standard Items(17.5)

Unit:mmWire Length(13.2)
(8.8)
4.0

(2.5)

0.1

(0.30)(0.47)

Wire Color
Red
White
Wireless

0.68

0.72

0.75

0.2

Product Name
RT050-BR00
RT050-BW00
RT050-BA00

Parts Name
Material
FinishReceptacle
Phosphor Bronze
Au Plated
Insulator
Fluorine Resin
Wire
Conductor Silver Plated Annealed Copper Wire

All specifications are subject to change without notice.

Head Office Sales Dept.
Address : 6972 Shimo-Yoshida, Chichibu-shi, Saitama-ken,
369-1593, JAPAN.
Phone : +81-494-77-1211 / FAX : +81-494-77-1415

Sales Office
Address : 3-10-8, Nohagi 1st Bldg, Minami-Ikebukuro, Toshima-ku, Tokyo, 171-0022, Japan.
Phone : +81-3-3982-0029 / FAX : +81-3-3986-1537
Web Site : http://www.mkt-taisei.co.jp/
e-tp050-03

TW026 series Recommended Pitch 0.50 mm
TW030 series Recommended Pitch 0.60 mm

TAISEI■TW026-NB / NB-02
Tip Needle × Needle

13.5

0.26

2.5

0.16

60°

60°

2.5

0.16

18.5

Stroke2.0 mmPreload3.16 gf
Spring Force
12.95±2.54 gf 1.0 mm Recommended Stroke
0.5 A
Max. Current
Material
Steel
Steel
Phosphor Bronze
Piano Wire

FinishAu Plated
Au Plated
Au Plated
Au Plated

[gf]

20.0
15.0

Application
NeedleNeedle10.0
5.0

Attenuation Loss [dB]Parts Name
Plunger
Plunger
BarrelSpringSpring Force Transition Table

1

Unit:mm

Typical Performance (TYP)

0
-1
-2
-3
0

1

3

2

4

5

6

7

8

Frequency [GHz]Attachment 0.5 1.0 1.5 2.0 [mm]■TW030-NB / NB-00
Tip Needle × Needle

7.4

0.3

0.8

1.3 mmPreload
5.0 gfSpring Force
12.95±2.54 gf 0.8 mm Recommended Stroke
0.5 A
Max. Current
Parts Name
Plunger
Plunger
BarrelSpringMaterial
Steel
Steel
Phosphor Bronze
Piano Wire

FinishAu Plated
Au Plated
Au Plated
Au Plated

Application
NeedleNeedleSpring Force Transition Table
[gf]

20.0
15.0
10.0
5.0

Attenuation Loss [dB]Stroke

0.2

60°

90°

1.5

0.2

9.7

Attachment 0.5 1.0 1.5 2.0 [mm]1

Unit:mm

Typical Performance (TYP)

0
-1
-2
-3
0

1

2

3

4

5

6

7

8

Frequency [GHz]All specifications are subject to change without notice.

Head Office Sales Dept.
Address : 6972 Shimo-Yoshida, Chichibu-shi, Saitama-ken,
369-1593, JAPAN.
Phone : +81-494-77-1211 / FAX : +81-494-77-1415

Sales Office
Address : 3-10-8, Nohagi 1st Bldg, Minami-Ikebukuro, Toshima-ku, Tokyo, 171-0022, Japan.
Phone : +81-3-3982-0029 / FAX : +81-3-3986-1537
Web Site : http://www.mkt-taisei.co.jp/
e-tw026-030-01

TW038 series Recommended Pitch 0.80 mm

TAISEI■TW038-NB / NB-50
Tip Needle × Needle
6.0
5.0

0.5

0.5

Stroke

1.0 mmPreload12.23 gf
Spring Force
37.0±7.44 gf 0.65 mm Recommended Stroke
1.0 A
Max. Current
Material
Beryllium Copper
Beryllium Copper
Phosphor Bronze
Piano Wire

FinishAu Plated
Au Plated
Au Plated
Au Plated

Unit:mm

Spring Force Transition Table[gf]

Attenuation Loss [dB]Parts Name
Plunger
Plunger
BarrelSpring

0.18

0.38

0.45

0.18

60°

60°

0.5

50.0
45.0
40.0
35.0
30.0
25.0
20.0
15.0
10.0
5.0

Application
NeedleNeedle1

Typical Performance (TYP)

0
-1
-2
-3
0

1

2

3

4

5

6

7

8

Frequency [GHz]Attachment 0.5 1.0 1.5 2.0 [mm]■TW038-4B / 4B-50
Tip Crown 4-Point × Crown 4-Point
5.52

Max. Current

1.0 mm
5.7 gf15.0±3.0 gf
1.0 A

Parts Name
Plunger
Plunger
BarrelSpringMaterial
Beryllium Copper
Beryllium Copper
Phosphor Bronze
Piano Wire

Spring Force

0.2

0.76

Unit:mm

Spring Force Transition Table

Preload0.65 mm Recommended Stroke

[gf]

20.0
15.0

Attenuation Loss [dB]Stroke

4.0

0.38

0.2

0.76

1

Typical Performance (TYP)

0-1

FinishApplication-2
10.0
Au Plated Crown 4-Point-3
5.0
0
Au Plated Crown 4-Point
Au Plated[mm]
Attachment 0.5 1.0 1.5 2.0
Au Plated

1

2

3

4

5

6

7

8

Frequency [GHz]All specifications are subject to change without notice.

Head Office Sales Dept.
Address : 6972 Shimo-Yoshida, Chichibu-shi, Saitama-ken,
369-1593, JAPAN.
Phone : +81-494-77-1211 / FAX : +81-494-77-1415

Sales Office
Address : 3-10-8, Nohagi 1st Bldg, Minami-Ikebukuro, Toshima-ku, Tokyo, 171-0022, Japan.
Phone : +81-3-3982-0029 / FAX : +81-3-3986-1537
Web Site : http://www.mkt-taisei.co.jp/
e-tw038-02
e-tw038-01

TW040,048 series Recommended Pitch 0.80 mm

TAISEI■TW040-4B / 4B-00

Tip Crown 4-Point × Crown 4-Point
3.2

2.2

StrokeParts Name
Plunger
Plunger
BarrelSpring0.2

Unit:mm

Spring Force Transition Table

Preload
0.5 mm Recommended Stroke

Material
Beryllium Copper
Beryllium Copper
Phosphor Bronze
Piano Wire

[gf]

20.0
15.0

FinishApplication
Au Plated Crown 4-Point
Au Plated Crown 4-Point
Au Plated
Au Plated

10.0
5.0

Attenuation Loss [dB]

0.7 mm
5.0 gfSpring Force17.3±3.46 gf
1.0 A
Max. Current

0.5

0.40

0.2

0.5

Typical Performance (TYP)

1
0
-1
-2
-3
0

1

3

2

4

5

6

7

8

Frequency [GHz]Attachment 0.5 1.0 1.5 2.0 [mm]■TW048-NB / NB-01
Tip Needle × Needle
18.5

13.5

2.5

3.0 mmPreload
6.8 gfSpring Force
23.96±4.79 gf 1.5 mm Recommended Stroke
1.0 A
Max. Current
Material
Steel
Steel
Phosphor Bronze
Piano Wire

FinishAu Plated
Au Plated
Au Plated
Au Plated

Application
NeedleNeedleSpring Force Transition Table
[gf]

40.0
35.0
30.0
25.0
20.0
15.0

Attenuation Loss [dB]StrokeParts Name
Plunger
Plunger
BarrelSpring

0.23

0.48

0.23

60°

60°

2.5

10.0

1

Unit:mm

Typical Performance (TYP)

0
-1
-2
-3
0

1

2

3

4

5

6

7

8

Frequency [GHz]5.0
Attachment 0.5 1.0 1.5 2.0 2.5 3.0 [mm]All specifications are subject to change without notice.

Head Office Sales Dept.
Address : 6972 Shimo-Yoshida, Chichibu-shi, Saitama-ken,
369-1593, JAPAN.
Phone : +81-494-77-1211 / FAX : +81-494-77-1415

Sales Office
Address : 3-10-8, Nohagi 1st Bldg, Minami-Ikebukuro, Toshima-ku, Tokyo, 171-0022, Japan.
Phone : +81-3-3982-0029 / FAX : +81-3-3986-1537
Web Site : http://www.mkt-taisei.co.jp/
e-tw040-048-01

TW050 series Recommended Pitch 0.80 mm

TAISEI■TW050-NB / NB-00
Tip Needle × Needle
16.9

12.1

0.8

Max. Current

3.8 mm3.67 gf10.0±2.0 gf
1.0 A

Parts Name
Plunger
Plunger
BarrelSpringMaterial
Steel
Steel
Phosphor Bronze
Piano Wire

Spring Force0.20

Spring Force Transition Table

Preload
3.6 mm Recommended Stroke

[gf]

20.0
15.0

FinishAu Plated
Au Plated
Au Plated
Au Plated

Application
NeedleNeedle10.0
5.0

Attenuation Loss [dB]Stroke

0.50

0.34

60°

60°

4.0

1

Unit:mm

Typical Performance (TYP)

0
-1
-2
-3
0

1

2

3

4

5

6

7

8

Frequency [GHz]Attachment 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 [mm]■TW050-NB / NB-01
Tip Needle × Needle
10.2

7.4

0.8

2.8 mmPreload2.55 gf
Spring Force
18.0±3.57 gf 1.6 mm Recommended Stroke
1.0 A
Max. Current
Material
Beryllium Copper
Beryllium Copper
Phosphor Bronze
Piano Wire

FinishAu Plated
Au Plated
Au Plated
Au Plated

Application
NeedleNeedle[gf]

Spring Force Transition Table

30.0
25.0
20.0
15.0

Attenuation Loss [dB]StrokeParts Name
Plunger
Plunger
BarrelSpring

0.20

0.50

0.30

60°

60°

2.0

10.0

1

Unit:mm

Typical Performance (TYP)

0
-1
-2
-3
0

1

2

3

4

5

6

7

8

Frequency [GHz]5.0
Attachment 0.5 1.0 1.5 2.0 2.5 3.0 [mm]All specifications are subject to change without notice.

Head Office Sales Dept.
Address : 6972 Shimo-Yoshida, Chichibu-shi, Saitama-ken,
369-1593, JAPAN.
Phone : +81-494-77-1211 / FAX : +81-494-77-1415

Sales Office
Address : 3-10-8, Nohagi 1st Bldg, Minami-Ikebukuro, Toshima-ku, Tokyo, 171-0022, Japan.
Phone : +81-3-3982-0029 / FAX : +81-3-3986-1537
Web Site : http://www.mkt-taisei.co.jp/
e-tw050-01

For IC Receptacle

SP260 series Recommended Pitch 0.35 mm

TAISEI■SP260-4B / RT-01 L=3.3
Tip Crown 4-Point × Round Shaft Taper

2.3

0.4

0.14

0.26

0.10

3.3
0.6

Full Length (mm) 3.30
Recommended Stroke 0.50
25.0
Load (gf)@0.50mm
Full Stroke (mm) 0.70

Mechanical Durability(Times or more)

200k

1.0
Max. Current (A)Contact Resistance (mΩ) <100
Working Temp.(C)40~125[gf]

Spring Force Transition Table

35.0
30.0
25.0
20.0
15.0

FinishParts Name
Material
Application
10.0
Plunger Beryllium Copper Au Plated DUT side Crown 4-Point
5.0
Plunger Beryllium Copper Au Plated I.F. side Round Shaft Taper
BarrelNiAu
Attachment 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0[mm]
SpringPiano Wire Au PlatedAttenuation Loss [dB]

Unit:mm

Typical Performance (TYP)

1
0
-1
-2
-3

0 1 2 3 4 5 6 7 8Frequency [GHz]■SP260-4B / RT-00 L=5.7
Tip Crown 4-Point × Round Shaft Taper

4.0

0.6

0.14

0.26

0.10

5.7
1.1

Full Length (mm) 5.70
Recommended Stroke 0.65
21.0
Load (gf)@0.65mm
Full Stroke (mm) 1.00

Mechanical Durability(Times or more)

300k

1.0
Max. Current (A)Contact Resistance (mΩ) <100
Working Temp.(C)40~125

[gf]

35.0

Spring Force Transition Table

30.0
25.0
20.0
15.0

FinishParts Name
Material
Application
10.0
Plunger Beryllium Copper Au Plated DUT side Crown 4-Point
5.0
Plunger Beryllium Copper Au Plated I.F. side Round Shaft Taper
BarrelNiAu
Attachment 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0[mm]
SpringPiano Wire Au PlatedAttenuation Loss [dB]

Unit:mm1

Typical Performance (TYP)

0
-1
-2
-3

0 1 2 3 4 5 6 7 8Frequency [GHz]All specifications are subject to change without notice.

Head Office Sales Dept.
Address : 6972 Shimo-Yoshida, Chichibu-shi, Saitama-ken,
369-1593, JAPAN.
Phone : +81-494-77-1211 / FAX : +81-494-77-1415

Sales Office
Address : 3-10-8, Nohagi 1st Bldg, Minami-Ikebukuro, Toshima-ku, Tokyo, 171-0022, Japan.
Phone : +81-3-3982-0029 / FAX : +81-3-3986-1537
Web Site : http://www.mkt-taisei.co.jp/
e-sp260-02

For IC Receptacle

SP300 series Recommended Pitch 0.40 mm

TAISEI■SP300-4B / RT-00 L=3.3
Tip Crown 4-Point × Round Shaft Taper

0.30

0.4

0.16

2.3

0.16

3.3
0.6

Full Length (mm) 3.30
Recommended Stroke 0.50
31.2
Load (gf)@0.50mm
Full Stroke (mm) 0.70

Mechanical Durability(Times or more)

200k

1.0
Max. Current (A)Contact Resistance (mΩ) <100
Working Temp.(C)40~125[gf]

Spring Force Transition Table

45.0
40.0
35.0
30.0
25.0
20.0
15.0
10.0
5.0

FinishParts Name
Material
Application
Plunger Beryllium Copper Au Plated DUT side Crown 4-Point
Plunger Beryllium Copper Au Plated I.F. side Round Shaft Taper
BarrelNiAu
Attachment 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8[mm]
SpringPiano Wire Au PlatedAttenuation Loss [dB]

Unit:mm

Typical Performance (TYP)

1
0
-1
-2
-3

0 1 2 3 4 5 6 7 8Frequency [GHz]■SP300-4B / RB-00 L=5.7
Tip Crown 4-Point × Round Shaft
5.7
0.6

0.30

0.15

4.0

0.15

1.1

Full Length (mm) 5.70
Recommended Stroke 0.65
30.0
Load (gf)@0.65mm
Full Stroke (mm) 0.80

Mechanical Durability(Times or more)

1M

1.6
Max. Current (A)Contact Resistance (mΩ) <100
Working Temp.(C)40~125

FinishParts Name
Material
Application
Plunger Beryllium Copper Au Plated DUT side Crown 4-Point
Plunger Beryllium Copper Au Plated I.F. side Round Shaft
BarrelNiAu
SpringPiano Wire Au Plated

[gf]

40.0
35.0
30.0
25.0
20.0
15.0

Spring Force Transition Table

10.0

Attenuation Loss [dB]

Unit:mm1

Typical Performance (TYP)

0
-1
-2
-3

0 1 2 3 4 5 6 7 8Frequency [GHz]5.0
Attachment 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8[mm]

All specifications are subject to change without notice.

Head Office Sales Dept.
Address : 6972 Shimo-Yoshida, Chichibu-shi, Saitama-ken,
369-1593, JAPAN.
Phone : +81-494-77-1211 / FAX : +81-494-77-1415

Sales Office
Address : 3-10-8, Nohagi 1st Bldg, Minami-Ikebukuro, Toshima-ku, Tokyo, 171-0022, Japan.
Phone : +81-3-3982-0029 / FAX : +81-3-3986-1537
Web Site : http://www.mkt-taisei.co.jp/
e-sp300-02

For IC Receptacle

SP350,380 series Recommended Pitch 0.50 mm

TAISEI■SP350-4B / RT-00 L=3.3
Tip Crown 4-Point × Round Shaft Taper

2.3

0.4

0.22

0.22

0.6

0.35

3.3

Full Length (mm) 3.30
Recommended Stroke 0.45
25.0
Load (gf)@0.45mm
Full Stroke (mm) 0.50

Mechanical Durability(Times or more)

300k

2.0
Max. Current (A)Contact Resistance (mΩ) <100
Working Temp.(C)40~125

FinishParts Name
Material
Application
Plunger Beryllium Copper Au Plated DUT side Crown 4-Point
Plunger Beryllium Copper Au Plated I.F. side Round Shaft Taper
BarrelNiAu
SpringPiano Wire Au Plated

[gf]
30.0

Spring Force Transition Table

25.0
20.0
15.0
10.0

Attenuation Loss [dB]

Unit:mm
Typical Performance (TYP)

1
0
-1
-2
-3

0 1 2 3 4 5 6 7 8Frequency [GHz]5.0

Attachment 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8[mm]■SP380-4B / RT-00 L=5.7
Tip Crown 4-Point × Round Shaft Taper
5.7
0.6

0.38

0.22

4.0

0.22

1.1

Full Length (mm) 5.70
Recommended Stroke 0.65
27.0
Load (gf)@0.65mm
Full Stroke (mm) 0.80

Mechanical Durability(Times or more)

1M

[gf]

35.0

1.6
Max. Current (A)Contact Resistance (mΩ) <100
Working Temp.(C)40~125

30.0

FinishParts Name
Material
Application
Plunger Beryllium Copper Au Plated DUT side Crown 4-Point
Plunger Beryllium Copper Au Plated I.F. side Round Shaft Taper
BarrelNiAu
SpringPiano Wire Au Plated

15.0

Spring Force Transition Table

25.0
20.0
10.0

Attenuation Loss [dB]

Unit:mm1

Typical Performance (TYP)

0
-1
-2
-3

0 1 2 3 4 5 6 7 8Frequency [GHz]5.0
Attachment 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8[mm]

All specifications are subject to change without notice.

Head Office Sales Dept.
Address : 6972 Shimo-Yoshida, Chichibu-shi, Saitama-ken,
369-1593, JAPAN.
Phone : +81-494-77-1211 / FAX : +81-494-77-1415

Sales Office
Address : 3-10-8, Nohagi 1st Bldg, Minami-Ikebukuro, Toshima-ku, Tokyo, 171-0022, Japan.
Phone : +81-3-3982-0029 / FAX : +81-3-3986-1537
Web Site : http://www.mkt-taisei.co.jp/
e-sp350-380-02

CONTACT PROBESTAISEI Co.,Ltd.

HEAD OFFICE 6972, Shimo-yoshida, Chichibu-shi, Saitama-ken, 369-1593, Japan.

TEL:81-494-77-1211 FAX:81-494-77-1415

URL : http://www.mkt-taisei.co.jp/
2024.04165