Spec. No.:
Date:

RAC−K−HTS−0006
2017. 1. 10/8

Sp e c i f i c a t i o nTitle:

CHIP ATTENUATORS

Style:

RAC101A

RoHS COMPLIANCE ITEM
Halogen and Antimony Free

Product specification contained in this specification
are subject to change at any time without notice
If you have any questions or a Purchasing Specification for any quality
Agreement is necessary, please contact our sales staff.

Hokkaido Research Center
Approval by: T. Sannomiya
Drawing by: M. Shibuya
Note: Stock conditions
Temperature: +5°C ∼ +35°C
Relative humidity: 25% ∼ 75%
The period of guarantee: Within 2 year from shipmen t by the company.
Solderability shall be satisfied.

Drawing No:
Title:RAC−K−HTS−0006

CHIP ATTENUATORSRAC101A

Page:

/8
1/5

1. Scope
1.1 This specification covers the detail requirements for chip attenuators, style of RAC10 1A.
2. Classification
Type designation shall be the following form.
(Example)
RAC
1012
Style
1 Chip attenuators
2 SizeCharacteristic
3
impedance

SymbolCharacteristic impedance
SymbolCircuit

4 Circuit
Attenuation
5 factor

A
413

15C6TH
7150Ω

A
Unbalanced π typeSymbol
1Attenuation
1dB
factor23456789A

2dB

3dB

4dB

5dB

6dB

7dB

8dB

9dB

10dB

6 Terminal style
7 Packaging form

Bulk (loose package)
Paper taping

BTH

3. Rating
3.1 The ratings shall be in accordance with Table−1.

StyleTerminations
style

Attenuation factor(dB)

RAC101AC

1,2,3,4,5
6,7,8,9,10

Style

Working temperature
range (°C)

RAC101A−40∼+125

Table−1
Attenuation
factortolerance
(dB)
±0.3
±0.4

Frequency
rangeVoltage
standing
wave ratio
VSWR

Rated input power(at 85 °C)

DC≤f≤3GHz

1.2 max.

100 mW/package

Storage temperature
range(Single unit) (°C)−55∼+125

4. Packaging form
The standard packaging form shall be in accordance with Table−2.
Table−2Standard packaging
Symbol
Packaging form
quantity / units
B
Bulk (loose package)
1,000 pcs.
THPaper taping(8mm width), 2mm pitches

10,000 pcs.

Product specification contained in this specification are subject to change at any time without notice.
If you have any questions or a Purchasing Specification for any quality agreement is necessary, please contact our sales staff.
Issue: KAMAYA ELECTRIC CO., LTD. Research & Development Department HOKKAIDO Research center Last update: 2017.1.10

Drawing No:
Title:RAC−K−HTS−0006

CHIP ATTENUATORSRAC101A

Page:

/82/5

5. Dimensions
5.1 The resistor shall be of the design and physical dimensions in accordance with Figure−1 and Table−3.
PDWba

Q

L

H

Figure−1
Table−3
Style
RAC101A

L
1.0±0.1W
1.0 +0.1−0H
0.35±0.10Q
0.33±0.10

a0.15±0.10

b0.25±0.10

Unit: mm∗P
0.65±0.10∗Reference

5.2 Net weight (Reference)
Style
Net weight(mg)RAC101A
1.1
6. Circuit and DC resistance value
6.1 Unbalanced π type circuitCircuit
12R1R24R23

6.2 DC resistance value (Reference)
Attenuation factor
1dB
2dB
3dB
4dB
5dB
6dB
7dB
8dB
9dB
10dB

R1 (Ω)
5.769
11.62
17.62
23.85
30.40
37.35
44.80
52.84
61.59
71.15

R2 (Ω)
869.5
436.2
292.4
221.0
178.5
150.5
130.7
116.1
105.0
96.25

Product specification contained in this specification are subject to change at any time without notice.
If you have any questions or a Purchasing Specification for any quality agreement is necessary, please contact our sales staff.
Issue: KAMAYA ELECTRIC CO., LTD. Research & Development Department HOKKAIDO Research center Last update: 2017.1.10

Drawing No:
Title:

CHIP ATTENUATORSRAC101ARAC−K−HTS−0006
Page:

7. Marking
The following of marking items shall be marked on over coat side.
1
Marking items; 1. Dot markExample)
2. Attenuation factor″1″ → 1dB″3″ → 3dB″A″ → 10dB

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3/5

243

8. Performance
8.1 Unless otherwise specified, the standard range of atmospheric conditions for tests is as follows;
Ambient temperature: 5 °C to 35 °C, Relative humidity: 45 % to 85 %, Air pressure: 86 kPa to 106 kPa
If there is any doubt the results, measurements shall be made within the following;
Ambient temperature: 20 °C ± 2 °C, Relative humidity: 60 % to 70 %, Air pressure: 86 kPa to 106 kPa
8.2 The performance shall be satisfied in Table−4.
Table−4(1)No.
Test items
Condition of test
Performance requirements
1
Characteristic
Test circuit
50 ΩR1
impedance
1
2+R2−R24RL
3: Attenuator
RL: 50 Ω2345Frequency

The test device: Network analyzer HP8753D
Agilent Technologies Inc.
(Max. frequency: 6 GHz )Insulation resistance
Test condition: Between terminal to over coat.
Test potential: 50Vdc
Test period: 1min.
Resistanceto Test condition: 260 °C ± 5 °C
soldering heat
10 s ± 1 s

Solderability

Flax: Rosin−Methanol
Test condition: 235 °C ± 5 °C
2 s ± 0.5 s

Within the specified
attenuation factor.
VSWR: See Table-1.
100 MΩ min.

toleranceof1dB ∼ 2dB: Within ±0.1%
3dB ∼ 5dB: Within ±0.2%
6dB ∼ 10dB: Within ±0.3%
No evidence of appearance damage.
The surface of terminal immersed shall bemin. of 95 % covered with a new coatingof solder.

Product specification contained in this specification are subject to change at any time without notice.
If you have any questions or a Purchasing Specification for any quality agreement is necessary, please contact our sales staff.
Issue: KAMAYA ELECTRIC CO., LTD. Research & Development Department HOKKAIDO Research center Last update: 2017.1.10

Drawing No:
Title:RAC−K−HTS−0006

CHIP ATTENUATORSRAC101ANo.
6Test items
Temperature cycling7Load life

Page:

Table−4(2)Condition of test
Test cycle: 5 cycles for duty cycle as specifiedbelow.
StepTime (min)Temperature (°C)
1Room temp.
2∼3230−55±33
Room temp.
2∼34
30
125±2
Leaving at the room temp. for 30 min. or more,
and then measure the attenuation factor.
The test substrate: Glass fabric based epoxy
resin. t: 1.6 mm
Test circuit: See No. 1.
Test temp. : 85 °C ± 2 °C
Test voltage: Cycle of 1 h 30 min. ″ON″and30 min. ″OFF″ at dc rated voltage.
Test period: 1,000 +480 h
Leaving at the room temp. for 2h or more, andthen measure the attenuation factor.

/84/5Performance requirements
1dB ∼ 2dB: Within ±0.1%
3dB ∼ 5dB: Within ±0.2%
6dB ∼ 10dB: Within ±0.3%
No evidence of appearance damage.

1dB ∼ 2dB: Within ±0.1%
3dB ∼ 5dB: Within ±0.2%
6dB ∼ 10dB: Within ±0.3%
No evidence of appearance damage.

9. Taping
9.1 Taping dimensions
Taping dimensions shall be in accordance with below.
Unit: mm4±0.1
φ1.5 +000.1Sprocket hole1.75±0.1

B

8±0.2

At

Carrier cavity

2±0.053.5±0.05
Direction of unreeling

Style
RAC101A

Figure−2
Table−5AB
1.2±0.05
1.2±0.05

Unit: mmt0.55max.

Product specification contained in this specification are subject to change at any time without notice.
If you have any questions or a Purchasing Specification for any quality agreement is necessary, please contact our sales staff.
Issue: KAMAYA ELECTRIC CO., LTD. Research & Development Department HOKKAIDO Research center Last update: 2017.1.10

Drawing No:
Title:RAC−K−HTS−0006

CHIP ATTENUATORSRAC101A

Page:

/85/5

9.2 Reel dimension
Reel dimensions shall be in accordance with the following Figure−3 and Table−6.
Unit: mmMarking

φ178±2φ60±1

φ13±0.2

2±0.5

AFigure−3Table−6
Unit: mmAStyle
RAC101A
9±0.5
10. Marking on package
The label of a minimum package shall be legibly marked with follows.
10.1 Marking A(1) Classification (Kind, Size, Style, Characteristic impedance, Circuit, Attenuation factor, Terminal style, Packaging form)(2) Lot number (3) Quantity (4) Manufacturer’s name or trade mark (5) Others
10.2 Marking B(KAMAYA control label)

Product specification contained in this specification are subject to change at any time without notice.
If you have any questions or a Purchasing Specification for any quality agreement is necessary, please contact our sales staff.
Issue: KAMAYA ELECTRIC CO., LTD. Research & Development Department HOKKAIDO Research center Last update: 2017.1.10