kamaya_products(RC)-html.html

Spec. No.:

−

HTS

−

0001 /14

Date:

2017. 1. 10

Sp e c i f i c a t i o n

Title:

FIXED CARBON COMPOSITION RESISTORS

Style:

RC1/4,1/2

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:

∼

Relative humidity: 25%

∼

75%

The period of guarantee: Within 2 year from shipmen t by the company.
Solderability shall be satisfied.

Drawing No:

−

HTS

−

0001

/14

Title:

FIXED CARBON COMPOSITION RESISTORS
RC1/2,1/4

Page: 1/9

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

1. Scope

1.1 This specification covers the detail requirements for fixed carbon composition resistors; rectangular type, style of RC1/2,

1/4.

1.2 Applicable documents

JIS C 5201

−

1: 2011, JIS C 5201

−

2: 2014, JIS C 5201

−

1: 1998

IEC60115

−

1: 2008, IEC60115

−

2: 2014, IEC60115

−

1: 1982

2. Classification
Type designation shall be the following form.

(Example)

1/2

104

Style

                                1 Fixed carbon composition resistors
                                2 Rated dissipation
                                3 Rated resistance

104

104--> 100k

Ω

4 Tolerance on rated resistance

10%

20%

5 Packaging form

Bulk (loose package)

Horizontal forming

52mm width taping box

52mm width taping reel

3. Rating

3.1 The ratings shall be in accordance with Table

−

Table

−

Style

Rated dissipation

(W)

Rated resistance

range (

Ω

)

Preferred number

series for resistors

Tolerance on rated

resistance

RC1/2

0.5

∼

22M

E24

5%)

E12

10%)

20%)

RC1/4

0.25

∼

5.6M

E24

5%)

E12

10%)

20%)

Style

Limiting element

voltage (V)

Isolation voltage

(V)

Category temperature

range (°C)

RC1/2

350

500

−

∼

+125

RC1/4

250

100

3.2 Climatic category

55/125/56 Lower category temperature

−

55 °C

Upper category temperature +125 °C
Duration of the damp heat, steady state test 56days

Style

Drawing No:

−

HTS

−

0001

/14

Title:

FIXED CARBON COMPOSITION RESISTORS
RC1/2,1/4

Page: 2/9

Issue: KAMAYA ELECTRIC CO., LTD. Research & Development Department HOKKAIDO Research center Last update: 2017.1.10

3.3 Stability class

10% Limits for change of resistance:

−

for long

−

term tests ±(10%+0.5

Ω

)

−

for short

−

term tests ±(2%+0.1

Ω

)

3.4 Derating

The derated values of dissipation at temperature in excess of 70 °C shall be as indicated by the following curve.

Figure

−

1 Derating curve

3.5 Rated voltage

        d. c. or a. c. r. m. s. voltage calculated from the square root of the product of the rated resistance and the rated dissipation.
                                                                                            E : Rated voltage (V)
                    E    =                  P    ·    R                              P : Rated dissipation (W)

R : Rated resistance (

Ω

)

Limiting element voltage can only be applied to resistors when the resistance value is equal to or higher than the critical

resistance value.

At high value of resistance, the rated voltage may not be applicable.

4. Packaging form

The standard packaging form shall be in accordance with Table

−

Table

−

Symbol

Packaging form

Standard packaging

quantity / units

Application

Style

Bulk (Straight lead)

Loose

package

500 pcs.

RC1/2

See 5.1

1,000 pcs.

RC1/4

∗

Horizontal forming

1,000 pcs.

RC1/4

See 8

500 pcs.

RC1/2

52mm width taping box

2,000 pcs.

RC1/4, 1/2

See 9

52mm width taping reel

3,000 pcs.

RC1/2

5,000 pcs.

RC1/4

∗

The packaging form symbol of horizontal forming refer to Paragraph 8.

−

100

125

Area of recommended

operation

Percentage

of the rated

dissipation

Ambient temperature (°C)

(%)

Drawing No:

−

HTS

−

0001

/14

Title:

FIXED CARBON COMPOSITION RESISTORS
RC1/2,1/4

Page: 3/9

Issue: KAMAYA ELECTRIC CO., LTD. Research & Development Department HOKKAIDO Research center Last update: 2017.1.10

5. Dimensions
5.1 Straight lead type

Figure

−

Table

−

3 Unit:mm

Style

RC1/2

+0.8

9.5

−

0.7

3.6 ± 0.2

28 ± 3

+0.07

0.7

−

0.05

RC1/4

6.3 ± 0.7

2.4 ± 0.1

30 ± 3

0.6 ± 0.05

6. Marking

．

1 Marking of product

The rated resistance and tolerance on rated resistance shall be marked by four color coding on the surface of resistor.
The color coding shall be based on JIS C 5062-2008

”

Marking codes for resistors and capacitors

”．

The tolerance on rated resistance tolerance M(

20%) shall be none color of the forth color code.

．

2 Marking of package

The label of a minimum package shall be legibly marked with follows;

(1) Classification (Style, Rated resistance, Tolerance on rated resistance, Packaging form) (2) Lot No. (3) Quantity
(4) Manufacturer's name or trade mark (5) Others

7. Performance

7.1 The standard condition for tests shall be in accordance with Sub

−

clause 4.2, JIS C 5201

−

1: 2011.

7.2 The performance shall be satisfied in Table

−

Table

−

4(1)

No.

Test items

Condition of test (JIS C 5201

−

Performance requirements

Visual examination

Sub

−

clause 4.4.1

Checked by visual examination.

As in 4.4.1
The marking shall be legible, as
checked by visual examination.

Dimension

Resistance

Sub

−

clause 4.4.2

Sub

−

clause 4.5

As specified in Table

−

3 of this

specification.
As in 4.5.2
The resistance value shall correspond
with the rated resistance taking into
account the specified tolerance.

Voltage proof

Sub

−

clause 4.7

Method: V

−

block method

Test voltage: Alternating voltage with a peak
value of 1.42 times the insulation voltage.
Duration: 60 s ± 5 s

No breakdown or flash over

Drawing No:

−

HTS

−

0001

/14

Title:

FIXED CARBON COMPOSITION RESISTORS
RC1/2,1/4

Page: 4/9

Issue: KAMAYA ELECTRIC CO., LTD. Research & Development Department HOKKAIDO Research center Last update: 2017.1.10

Table

−

4(2)

Test items

Condition of test (JIS C 5201

−

Performance requirements

Solderability

Overload
(in the mounted state)

Sub

−

clause 4.17

Without ageing
Method: 1 (The solder bath method)
Bath temperature: 235 °C ± 5 °C
Immersion time: 5 s ± 0.5 s
Depth immersion

A point within about 4mm

from the resistor body
Sub

−

clause 4.13

The applied voltage shall be 2.5 times the
rated voltage or twice the limiting element
voltage, whichever is the less severe.
Duration: 5 s

Good thinning as evidenced by free
flowing of the solder with wetting of the
terminations.

Visual examination

No visible damage
Legible marking

Resistance

∆

≤

± (2%+0.1

Ω

)

Robustness of termination
Tensile

Sub

−

clause 4.16

Sub

−

clause 4.16.2

The force; 10N
Duration: 10 s

1 s

Bending

Sub

−

clause 4.16.3

Method 1
Bending times: 2 times
Bending force: 5N

Torsion

Sub

−

clause 4.16.4

Method A: Severity 2
(two successive Rotations of 180

)

Visual examination
Resistance

No visible damage

∆

≤

± (2%+0.1

Ω

)

Resistance to soldering heat

Sub

−

clause 4.18

Method: 1B
Solvent temperature: RC1/4: 300 °C ± 10 °C

RC1/2:350 °C ± 10 °C

Immersion time: 3.5 s ± 0.5 s
Depth of immersion

A point within 4

0.8mm

from the resistor body.
Visual examination

Resistance

No visible damage
Legible marking

∆

≤

± (3%+0.1

Ω

)

Drawing No:

−

HTS

−

0001

/14

Title:

FIXED CARBON COMPOSITION RESISTORS
RC1/2,1/4

Page: 5/9

Issue: KAMAYA ELECTRIC CO., LTD. Research & Development Department HOKKAIDO Research center Last update: 2017.1.10

Table

−

4(3)

Test items

Condition of test (JIS C 5201

−

Performance requirements

Rapid change temperature

Sub

−

clause 4.19

Lower category temperature:

−

55 °C

Upper category temperature:
+125 °C
Duration of exposure at each temperature: 30
min.
Number of cycles: 5 cycles.
Visual examination
Resistance

No visible damage

∆

≤

±(2%+0.1

Ω

)

Vibration

Sub

−

clause 4.22

Endurance by sweeping
Frequency range: 10 Hz to 500 Hz
Amplitude: 0.75 mm or acceleration 98 m/s

(whichever is the less severe)
Total duration: 6 h
Visual examination
Resistance

No visible damage

∆

≤

±(2%+0.1

Ω

)

Climatic sequence

−

Dry heat

−

Damp heat, cycle

(12+12hour cycle)
First cycle

−

Cold

−

Low air pressure

−

Damp heat, cycle

(12+12hour cycle)

Remaining cycle

−

D.C. load

Sub

−

clause 4.23

Sub

−

clause 4.23.2

Test temperature: + 125 °C
Duration: 16 h
Sub

−

clause 4.23.3

Test method: 2
Test temperature: 55 °C
[Severity(2)]
Sub

−

clause 4.23.4

Test temperature

−

55 °C

Duration: 2h
8 kPa
Sub

−

clause 4.23.6

Test method: 2
Test temperature: 55 °C
[Severity (2)]
Number of cycles: 5 cycles
Sub

−

clause 4.23.7

The applied voltage shall be the rated voltage
or the limiting element voltage whichever is
the smaller.
Duration: 1 min.

Visual examination

Resistance
Insulation resistance

No visible damage
Legible marking

∆

≤

± (10%+0.5

Ω

)

≥

100 M

Ω

Drawing No:

−

HTS

−

0001

/14

Title:

FIXED CARBON COMPOSITION RESISTORS
RC1/2,1/4

Page: 6/9

Issue: KAMAYA ELECTRIC CO., LTD. Research & Development Department HOKKAIDO Research center Last update: 2017.1.10

Table

−

4(4)

Test items

Condition of test (JIS C 5201

−

Performance requirements

Endurance at 70 °C

Sub

−

clause 4.25.1

Ambient temperature: 70 °C ± 2 °C
Duration: 1000 h
The voltage shall be applied in cycles of 1.5 h
on and 0.5 h.
The applied voltage shall be the rated voltage
or the limiting element voltage whichever is
the smaller.
Examination at 48 h, 500 h and
1000 h:
Visual examination
Resistance
Examination at 1000 h:
Insulation resistance

No visible damage

∆

≤

± (10%+0.5

Ω

)

≥

1 G

Ω

Variation of resistance with
temperature

Sub

−

clause 4.8

−

55 °C / +20 °C

+20 °C / +125°C

−

Resistance

range

(Ω)

Temperature

coefficient

(

)

≤

Ω

6.5

∼

(

)

≤

10k

Ω

∼

(

)

≤

100k

Ω

∼

(

)

≤

Ω

∼

(

)

Ω

∼

(

)

125

Resistance

range

(Ω)

Temperature

coefficient

(

)

≤

Ω

∼−

(

)

≤

10k

Ω

∼−

(

)

≤

100k

Ω

∼−

7.5

(

)

≤

Ω

∼−

(

)

Ω

∼−

(

)

Damp heat, steady state

Sub

−

clause 4.24

Ambient temperature: 40 °C ± 2 °C

Relative humidity : 93 %

−

a) 1st group: without voltage applied.
b) 2nd group: The d.c.voltage shall be applied

continuously.

The voltage shall be accordance with

Sub

−

clause 4.24.2.1 b).

c) 3rd group: The d.c.voltage shall be applied

continuously.

The voltage: 20 V

2 V

Visual examination

Resistance
Insulation resistance

No visible damage
Legible marking

∆

≤

± (10%+0.5

Ω

)

≥

100 M

Ω

Drawing No:

−

HTS

−

0001

/14

Title:

FIXED CARBON COMPOSITION RESISTORS
RC1/2,1/4

Page: 7/9

Issue: KAMAYA ELECTRIC CO., LTD. Research & Development Department HOKKAIDO Research center Last update: 2017.1.10

Table

−

4(5)

Test items

Condition of test (JIS C 5201

−

Performance requirements

Dimensions (detail)

Endurance at upper category
temperature

Sub

−

clause 4.4.3

Sub

−

clause 4.25.3

Ambient temperature: 125 °C ± 2 °C
Duration: 1000 h
Examination at 48 h, 500 h and 1000 h:
Visual examination
Resistance
Examination at 1000h

Insulation resistance

As in Table

−

No visible damage

∆

≤

± (10%+0.5

Ω

)

≥

1 G

Ω

8. Horizontal forming

Figure

−

Table

−

5 Unit:mm

Style

Packaging form symbol

RC1/2

15.0 ± 0.5

5.0 ± 0.5

1.8max.

RC1/4

H60

10.0 ± 0.5

5.0 ± 0.5

1.5max.

H62

12.5 ± 0.5

Drawing No:

−

HTS

−

0001

/14

Title:

FIXED CARBON COMPOSITION RESISTORS
RC1/2,1/4

Page: 8/9

Issue: KAMAYA ELECTRIC CO., LTD. Research & Development Department HOKKAIDO Research center Last update: 2017.1.10

Taping design and dimensions

1 Applicable document JIS C 0806

−

1999

2 Taping design and dimensions shall be in accordance with Figure

−

4 and Table

−

Figure

−

Table

−

6 Unit:mm

Style

｜

-L

｜

RC1/2

1.6

52.4

−

1.4

5.08 ± 0.38

1.0max.

3.2min.

6.0 ± 0.5

0.5max.

RC1/4

9.3 Notes

9.3.1 The direction of color codes should be on unified.
9.3.2 No component shall be missed.

9.3.3 The wire leads shall be free from kinks and bends

9.3.4 Pitches tolerance is 2mm

(

100

2mm

)

for 20 pitches.

9.3.5 The edge waving of tape shall be not more than

1.0mm through a length of 300mm.

9.3.6 The reinforcement of the tape cutting should be reinforced by a new tape

(

30mm min.

)

in 3mm limits and insuring 1 pitch

dimension as shown in Figure

−

Unit

Figure

−

5min

3max

15min

30min

Adhesive tape

Carrier tape(Non

−

adhesive)

Adhesive tape

Cat tape

Drawing No:

−

HTS

−

0001

/14

Title:

FIXED CARBON COMPOSITION RESISTORS
RC1/2,1/4

Page: 9/9

Issue: KAMAYA ELECTRIC CO., LTD. Research & Development Department HOKKAIDO Research center Last update: 2017.1.10

．

2 Taped and box

The box shall be of the design and physical dimensions in accordance with Figure-6 and Table

−

The box of materials shall be carton.

Figure

−

Table

−

7 Unit:mm

Style

Packaging form symbol

RC1/2

65 ± 5

75 ± 5

455 ± 5

RC1/4

60 ± 5

75 ± 5

275 ± 5

9.3 Taping reel

Figure

−

Table

−

8 Unit:mm

Style

Packaging form symbol

′

RC1/2

260 ± 5

∗

280

75 ± 5

60.4 ± 1.0

78 ± 1

14.5 ± 0.5

∗

RC1/4

∗

Reference

Window

Marking

′