RoHS275 Ω BNC Style Connector
BNC75 Series

FEATURE

Frequency
Range

・ 75 Ω of BNC style connector
・ BNC style connectors can be mated.
・ Bayonet coupling mechanism for reliableconnection.

CharacteristicImpedance

75 Ω
Lock Type

BayonetAPPLICATIONS
Measurement Equipment, Broadcasting, HDTV

SPECIFICATIONS
Characteristic Impedance
Rated Voltage
Dielectric Withstanding Voltage

75 Ω
500VAC(r.m.s.)
1500V AC(r.m.s.)for1 minuteContact Resistance3m Ω Max.

Operating Temperature-55 〜 +85℃

Insulation Resistance
V.S.W.R.

1000M Ω Mim. at 500V DC
1.3 max. at DC to 1GHz

＊ The specifications are typical but may not apply to all connectors. Please checkthe specifications on each item with its drawing from us when you use.

MATERIAL/FINISH
Item

Shell (Body)

Contact (Male)

RoHS

CompliantCompliantMaterial / Finish

Copper Alloy / Ni or Ag Plating

Copper Alloy / Ag or Au Plating

Contact (Female) Copper Alloy / Ag or Au Plating
Insulator
GasketPTFE

Silicon Rubber◎ Please acknowledge that the specification etc. of this catalog might change by the improvement etc. without notice.
Moreover, the characteristic and the specification of the published product are the reference values.
Please confirm the content with the latest delivery specifications when you use the product.
190327

http://www.ddknet.co.jp

BNC75

Series

Unit：mm○ Straight Cable Plug+0.1 Cable+0.1
4-φ3.1 0φA 012.7±0.05
14.0

2.3

12.7±0.05

BNC75-P-5-CF+0.1
12.7±0.05
φ11.5 0

φ15.5
φ15.5

2 32.5

33.2

φ15.5

1818

4-φ3.1
12.7
17.5
12.7

15.8

+0.1

17.5
12.7

+0.1
2.3
15.84-φ3.0 0±0.05
12.7
+0.1
26.3
+0.1
4-φ3.0 0
φ9.0 0+0.1+0.1
4-φ3.0 0
φ9.0 012.7±0.05+0.1
φ9.0 0

18

33.2

+0.1
4-φ3.1 0

φ11.5 0+0.1
2.3 26.3 15.8
4-φ3.0 0
26.3

18

33.2

26.3

Part Number
2.3

Finish

Ag

Ni

Ag

Ni

Ag

Center15.8

BNC75-J-2.5C2W-CR10A-CF
26.3

12.7±0.05

Outer

Finish

12.7

12.7±0.05
2.5C-2W

17.5

Ni

+0.1

12.7±0.05

2Center

Conductor Conductor

4-φ3.0 0218
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Assembly
Crimp Tool
Instruction
CR-H-1101

17.52.5C-XW+0.1
034-φ3.1

Applicable
Cable
12.7±0.05+0.1
φ9.0 0AssemblyInstruction

17.5
12.7

φ9.0
◎ Please acknowledge that the specification etc. of this catalog might changeby the improvement etc. without notice.
Moreover, the characteristic and the specification of the published product are the reference values.
Please confirm the content with the latest delivery specifications when you use the product.
33.2

Ag4-φ3.1
Conductor Conductor
12.7
12.7±0.05 4-φ3.1 Ni
1.5CCA-EXBV
Au
17.5

15.8

2.3

12.7

394-φ3Outer

15.8

BNC75-SP-1.5CCA-EXBV-CF L

φ14.5

φ4.0
φ15.5 φ11.7φ11.7
φ15.524-φ3.1
12.7±0.05

Applicable Cable
±0.05

2.3

32.5

33.2
2+0.1

φ11.5 0Part Number

32.5○ Straight Cable
Jack25C-FB

Center12.7+0.1+0.14-φ3.1 0
φ11.5 0FinishConductor Conductor

12.7 37
5C-2V17.5+0.1

BNC75-SP-5CFB-CF

32.530Outer

17.54-φ3.1 0
2.3
15.8
BNC75-P-5C2W-CF
5C-2W
37
12.7+0.1±0.05
12.7+0.1
04-φ3.1
L0
φ11.5
17.5

2.3

32.5L

φA12.7+0.1

4-φ3.1 0
15.84-φ312.7
12.7

φ11.7φ11.7A30

15.8
L

2.3

17.5
Cable

12.7±0.05

φ11.7

30

4-φ312.730

4-φ317.5

12.7

30

2.3+0.1

φA 0

Assembly
Instruction

Au

12.7

12.7
Applicable

Part Number
LCR-H-1105

4-φ3+0.1

4-φ3.1 0
2.3
15.8

Center

Ni

12.7

φ14.5
φ14.5
φ14.5
φ14.5
φ14.5

φ4.0
φ17.5
φ4.0
φ4.0
φ4.0

A

6.5

12.7±0.05
12.7±0.05
12.7±0.05
12.7±0.05

φ14.5 φ14.5
φ14.5
φ14.5

φ14.5

φ17.5
φAφ17.5
φ17.5
φ17.5

A

29Outer12.7

12.7±0.05+0.1

φA 01Conductor Conductor+0.1
12.7±0.05
BNC75-SP-3C2V-CR1-DA13C-2V
φA 029AFinish

φA12.7

Part NumberLA

17.5

4-φ3.1
Applicable

12.7
12.7

4-φ3.1 0

Au

12.7+0.1+0.1 L

CR-H-1100

12.7

17.5
12.7

+0.1

14.00
4-φ3.1

Au

12.7

17.5
12.7

L

φA 0

φ14.5

26.3
29

14.0

12.7±0.05

φ14.5
φ14.5
φ14.5
φ14.5

φA
φA
φAφAφA29

Ni

17.5
12.7

L
2.3
14.004-φ3.1
2.3

296.2512.7+0.1

26.3

Assembly
Crimp Tool
Insutruction

12.712.72.5C-XW
2.3
14.0
BNC75-P-2.5CW-CR10B-CF
2.5C-2W12.7±0.05
12.7±0.05
12.7±0.05
12.7±0.05

26.3

CenterNi

4-φ3.112.7±0.05
12.7±0.05
12.7±0.05
±0.05
12.7

φ14.5

φA

26.3

4-φ3.15.50

1.5C-QEW

L
2.3

Outer

4-φ3.1
Conductor Conductor

1.5C-2W12.7±0.05

φ14.5
φ14.5
φ14.5

φA
φA
φA

26.3

φA

Cable

BNC75-P-1.5CQEW-CF

Finish4-φ3.1

Applicable

Part Number

Au

Assembly
Instruction

Crimp Tool

CR-H-1105

30

φ11.7

12.7

4-φ3.1

BNC75

Series○ Straight
Bulkhead Cable Jack
32.5

2.3

15.8

12.7

26.3

17.5+0.1
4-φ3.0 0

φ15.5

Cable+0.1
φ9.0 02.5C-2W

BNC75-BJ-2.5C2W-CR1-CF2Outer

FinishCenterConductor Conductor
Ni

±0.05
12.7
2.5C-QEW

1833.212.7±0.05

Applicable

Part Number

Assembly
Crimp Tool
Instruction

Au○ Straight Panel Cable Jack

14.0 4-φ3.1

12.7

Au

φ11.7

Applicable
Cable

12.7

CR-H-1101

33.00
4-φ3.1Ni

Au

CR-H-1101

34.5

NiAg

CR-H-1100

17.5+0.1+0.1

L

12.7
17.5+0.1
4-φ3.1 04-φ312.7±0.05

17.5
12.7±0.05

+0.1

12.7

12.7+0.1
φ11.5 012.7

4-φ3.112.7±0.05

17.5

2.3

15.8

12.7

4-φ3.1Panel Mounting
Dimensions
26.3

+0.1

0
4-φ3.112.7±0.05
32.5

17.5

2.3

15.8

26.3 21812.712.7±0.05

12.7±0.05
12.7
4-φ3.1
17.5

2.3

3

15.8
26.3

+0.1

φ9.0 0

12.7
17.5

+0.1

4-φ3.0 012.7±0.05

12.7±0.05

32.5

12.7

φ15.5

φ11.7

φ14.5

◎ Please acknowledge that the specification etc. of this catalog might change by the improvement etc. without
notice.
+0.1
4-φ3.14-φ3.0 0
Moreover, the characteristic and the specification of the published product are the reference values.
+0.1
Please confirm thecontent
with the latest delivery specifications when you use the product.
φ11.5 0
http://www.ddknet.co.jp

Assembly
Crimp Tool
Instruction

Au

12.7

1.5C-QEV

CenterConductor Conductor

12.7

1.5C-2V

2.3

CR-H-16776

Ni4-φ315.8φ11.5 0

φ14.5

φ14.512.7±0.05

15.8

1.5CCA-EXBV
34.5L

2.5C-2V

12.7

Outer

12.7±0.05

2.3

FinishL12.7±0.05

BNC75-PJ-2.5V-CR-Ni-CF

4-φ3.1 0

15.80
φ11.5
L

30

12.7±0.05+0.1

4-φ3CR-H-1132

4-φ3

Panel Mounting Dimensions

BNC75-PJ-1.5CV-CR2-CF4

12.7±0.05

12.7

12.7
17.5

Crimp
Tool

17.5+0.1

Part Number

Assembly
Instruction

12.7

4-φ3.1 0

BNC75-PJ-1.5CCA-EXBV-CF

L+0.1

2.3

L

14.0+0.1
φA 0

12.7

φ4.0

φ14.5

12.7

15.8
30

2.3

12.7±0.05

φ4.0

2.3
A

Ni

17.5+0.1

φA 0

φ14.5

φ17.5
φ17.5

12.7±0.05

11.3 30.0

L4-φ3.1 0φ14.5

φ14.5
12.7±0.05

φA+0.112.7

2.34-φ3.1+0.1
04-φ3.1
12.7±0.05

φA 0

φ14.5

φ14.5

3C-2V

17.5

A

φ14.5

BNC75-PJ-3C2V-CR1-CF

29

14.0

Conductor Conductor
Au

φ14.5

φA
φ14.5
φ14.5+0.1

φA 0L
29

CenterNi+0.1

2.3

Outer

11.8 32.6

4-φ3.112.7

4-φ3.1 0

FinishL

3C-2WS

14.0L

φA

BNC75-PJ-3CW-CR10B-CF

26.3

2.3

Cable

12.7

φ14.5

φA

φ14.5

26.3

Applicable

Part Number

12.7±0.05

φA

φ14.54-φ3.1

ASeriesL○ Receptacle Jack+0.1
3017.5

Part Number
2.3

12.7±0.05

15.8

BNC75-R-A-CF

26.3

4-φ3.1

15.8
26.3233.2

17.5+0.1+0.1

φ9.0 012.7
1812.74-φ3.0 0

12.7

φ15.5
2.3

12.7±0.05
4-φ3.112.7±0.05

32.5

Unit：mm

12.7±0.05

12.7±0.05

φ11.5 0

φ11.7

12.7

4-φ3.1 0+0.1

12.7±0.05

17.5+0.1

Panel Mounting Dimensions

4-φ3.0 012.7±0.05

φ14.5

+0.1

φ11.5 0+0.1

φ9.0 0

12.7

BNC75
15.8

2.3

φ14.5

φ4.0

φ14.5

12.74-φ3.1

12.7±0.05◎ Please acknowledge that the specification etc. of this catalog might change by the improvement etc. without notice.
Moreover, the characteristic and the specification of the published product are the reference values.
Please confirm the content with the latest delivery specifications when you use the product.
http://www.ddknet.co.jp

4

OuterFinishConductor
NiCenterConductorAu

BNC75Series○ Assembly Instruction（1）Parts Configulration

Heat-shrinkabletubetube Ferule
Heat-shrinkable
Ferule①
SleeveInsulator

15②

SleeveSleeveCableCable

15

Contact

SheathHeat-shrinkabletube tube Sheath
Heat-shrinkableContact
Insulator
Insulator Contact① Insert the heat-shrinkable tube into the cable

15OuterOuter
Conductor
Conductor

Body

Insulator
Insulator

FeruleFerule

Body
Body

and cut the cable as fig.1. Please be carefule tonot damage the outer conductor.

② Insert the ferule from the end of outerconductor to the sheath.

Spread the top of outer conductor and insert theOuter Conductor

sleeve between insulator and outer conductor.

SleeveSleeveTo push the sleeve into the cable, please refer tothe tool as fig.2. And cut the outer conductor
Inserting
Too forInserting
TooSleeve
for Sleeve

Insulator

along the sleeve.

20 min.
20 min.
PushPush
into sleeve
into sleeveon thison side
this side
7.2 7.2
3.5 3.5

Sleeve③③ Cut the insulator and center conductor as fig.3.

Insulator
Insulator

Cut the center conductor after pre-soldering.

Inserting Too for Sleeve

CenterConductor
CenterConductor
Insulator
Insulator （Pre-soldering）（Pre-soldering）

3.5

Insulator

Soldering
Soldering④

Center Conductor（Pre-soldering）

Insulator
Insulator

Shave the extra solder from the contact along theContact
Contactround of contact.

No gap
No gapringContact④ Insert the insulator and solder the center
conductor and contact. Pre-solder the contact.

⑤⑤ Inser above cable into the body . And insert thecontact.

gap⑥ Crimping position is as fig.6.

⑥Part Number
BNC75-P-2.5CW-CR10B-CF
BNC75-P-3CW-CR10B-CF
Heat-shrinkabletube tube
Heat-shrinkable

Crimp Tool
CR-H-1105
CR-H-1132⑦⑦ Cover the heat-shrinkable tube on the root of
the connector body and heat up the tube.
Heat-shrinkable tube

◎ Please acknowledge that the specification etc. of this catalog might change by the improvement etc. without notice.
Moreover, the characteristic and the specification of the published product are the reference values.
Please confirm the content with the latest delivery specifications when you use the product.
http://www.ddknet.co.jp

5BNC75

Series

Unit：mm○ Assembly Instruction（2）Parts Configulration

Boot

FeruleSleeveContact

Boot

FeruleSleeveContact

Body
Body

The cable length require for the double-ended cable
assembly.

LL-12mm

L①

Cable

15Cable15① Insert the boot into the cable and cut the cable

Hole the outer
as fig.1. Please be carefule to Crimping
not damage

BootSheathOuter Conductor

Boot

SheathOuter Conductor

conductor.
Crimp Tool

Crimp Tool
Insulator

Ferule②Insulator

FeruleInsulator

SleeveInsulator

SleeveCrimping HoleCenter Conductor
Center Conductor

4.8 3.4② Insert the ferule toward
outer conductor.
4.8 3.4
Spread the outer conductor
and press in theContact
sleeve with stripper (P/N:89134).
Contact

Pull out the edge

Crimp Tool

Pull out the edge

Crimp Tool

Crimped
Crimped

Stripper（P/N：89134）
Stripper（P/N：89134）③Center Conductor
Center Conductor

Cut the insulator and center conductor
along this side
Cut the insulator and center conductor
along this side

Body
Push
crimp
tool
into outer conductor and insulator③theCuttheextra
Body
the root of body.
Push thecrimpthe
tool stripper
intofrom
along the surface as fig.3.
the root of body.

Crimp Position
Crimp Position④ Push the edge of the stripper and rotate.
Separate the insulator toward the arrow.

④

Cut the outer conductor along the surface of sleeve.
Boot
Boot

Cut oﬀ the outer conductor
Cut oﬀ the outer conductor◎ Please acknowledge that the specification etc. of this catalog might change by the improvement etc. without notice.
Moreover, the characteristic and the specification of the published product are the reference values.
Please confirm the content with the latest delivery specifications when you use the product.
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6Feruleator

Contact

Sleeve

Body

BNC75

Series○ Assembly Instruction（2）15⑤
Crimping HoleOuter Conductor⑤ Pinch the contact in the crimping hole(centerhole) and insert the center conductor of the cable.
Crimp the contact (match the side hole of contact

Crimp Tool

with the curve of crimping hole of tool.)
InsulatorFerule

4.8
SleeveCenter Conductor

3.4
Contact

Crimp Tool

Crimpedpper（P/N：89134）⑥Center Conductor

Push the crimp tool into
the root of body.

⑥ Insert the above contact into the body until
the top of the contact is same level of the topof insulator.
Please do not rotate the body and cablebefore crimping.

Body

Crimp the root of the body as fig.6.

r

Crimp Position⑦⑦ Cover the boot on the body.

Boot◎ Please acknowledge that the specification etc. of this catalog might change by the improvement etc. without notice.
Moreover, the characteristic and the specification of the published product are the reference values.
Please confirm the content with the latest delivery specifications when you use the product.
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7BNC75

Series

Unit：mm○ Assembly Instruction（3）Parts Configulration

Nut

WasherGasketClamp

Male Contact

Plug Shell

15

Nut

①Washer

GasketClamp

Male Contact

Plug Shell① Cut the cable as fig.1

15

Please be carefule to not damage the outerconductor.

② Insert the nut, washer, gasket and clamp as②fig.2. The clamp is holded on the sheath and pickthe outer conductor.

3③6③ Cut the insulator and center conductor.

Turn down the outer conductor to the clamp and cut

the outer conductor along the clamp. Cut the3

insulator and center conductor as fig.3.

6

Please be careful to not damage the centerconductor.

④④ Solder up the contact to the center conductor.
Please be careful to not be swelled up the solder.

Please be careful to not gap between contact andinsulator.

Please be careful to not deform the insulator bysoldering.

⑤ Inser the above contact into the body andscrew up the nut.

⑤

Please screw up the nut by wrench.

◎ Please acknowledge that the specification etc. of this catalog might change by the improvement etc. without notice.
Moreover, the characteristic and the specification of the published product are the reference values.
Please confirm the content with the latest delivery specifications when you use the product.
http://www.ddknet.co.jp8

BNC75Series○ Assembly Instruction（4）Parts Configulration

Heat-shrinkable tube

FeruleHeat-shrinkable tube

SleeveFeruleInsulator

SleeveInsulator

Contact

Body

Contact

Body

20

①20

Outer Conductor

SheathHeat-shrinkable tube

① Insert the heat-shrinkable tube into the cableand cut the cable as fig.1.

Outer Conductor

SheathHeat-shrinkable tube

Cut oﬀ extra outer conductor②

Cut oﬀ extra outer conductor

3.5

AA

② Insert the ferule on the outer conductor.

3.5

Center Conductor
Insulator
Center Conductor

FeruleSleeveInsulator

FeruleSleeve③

Insulator
Insulator

Pick the outer conductor and spread the top of centerconductor. Insert the insulator from the outer conductor.
Cut the extra outer conductor along the sleeve.
Cut the insulator in length A. Cut the center conductor
after pre-soldering.
Part NumberSolderingA

BNC75-J-2.5C2W-CR10A-CF

7.2mm

BNC75-PJ-3CW-CR10B-CF

6.8mm③ Insert the insulator and solder the contact.

SolderingContact④Contact

Crimp Tool
Crimp Tool

④ Insert the above contact into the body and crimp
the body as fig.4.

Part Number
Same level
Same level

Body

Crimp Tool

BNC75-J-2.5C2W-CR10A-CF

CR-H-1105

BNC75-PJ-3CW-CR10B-CF

CR-H-1132

Body⑤⑤ Cover the heat-shrinkable tube on the root of
the connector body and heat up the tube.

Heat-shrinkable tube
Heat-shrinkable tube◎ Please acknowledge that the specification etc. of this catalog might change by the improvement etc. without notice.
Moreover, the characteristic and the specification of the published product are the reference values.
Please confirm the content with the latest delivery specifications when you use the product.
http://www.ddknet.co.jp

9