No.:
Date:

RMCH-K-HTS-0001 /5
2023.1.11

Data sheet
Title:FIXED THICK FILM CHIP RESISTORS;RECTANGULAR TYPE & HIGH POWER

Style:

RMCH10,16,20,32,35

RoHS COMPLIANCE ITEM
Halogen and Antimony Free
Note: ・Stock conditions
Temperature: +5C  +35C
Relative humidity: 25%  75%
The period of guarantee: Within 2 year from shipment by the company.
Solderability shall be satisfied.
・Product specification contained in this data sheet 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

Title:

No: RMCH−K−HTS-0001/5
FIXED THICK FILM CHIP RESISTORS; RECTANGULAR TYPE & HIGH POWER
RMCH10,16,20,32,35
Page: 1/11

1. Scope
1.1 This data sheet covers the detail requirements for fixed thick film chip resistors; rectangular type & high power, style of
RMCH10,16,20,32,35.
1.2 Applicable documents
JIS C 5201−1: 2011, JIS C 5201−8: 2014, JIS C 5201−8−1: 2014
IEC60115−1: 2008, IEC60115−8: 2009, IEC60115−8−1: 2014
EIAJ RC−2134C−2010
2. Classification
Type designation shall be the following form.
(Example)
1)
RMCH
16
123
J
K−
1
2
3
4
5
Style
1 Fixed thick film chip resistors; rectangular type & high power
2 Rated dissipation and / or dimension
3 Temperature coefficient of resistanceK±10010−6/ °C
Standard−(Dash)4 Rated resistance
123
1000

TP
6
Style

E24 Series, 3 digit, Ex. 123--> 12k,E96 Series, 4 digit, Ex. 1000-->100
1022--> 10.2k

5 Tolerance on rated resistance
D
0.5%
F
1%
J
5%
6 Packaging form
B
TH
TP
TE

Bulk (loose package)
Paper taping
Embossed taping

Product specification contained in this data sheet 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: 2023.1.11

Title:

No: RMCH−K−HTS-0001/5
FIXED THICK FILM CHIP RESISTORS; RECTANGULAR TYPE & HIGH POWER
RMCH10,16,20,32,35
Page: 2/11

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

Rated
dissipation(W)

RMCH100.125

RMCH16

0.25

RMCH200.4

RMCH32

0.5

RMCH35Style
RMCH10
RMCH16
RMCH20
RMCH32
RMCH35

0.75

100
200
100
200
100
200
100
200
100
200
100
200
100
200
100
200
100
200
200
200

K
Standard
K
Standard
K
Standard
K
Standard
K
Standard
K
Standard
K
Standard
K
Standard
K
Standard
K
Standard

Limiting element
voltage (V)50
150

Insulation voltage
(V)
100
150

200

500

3.2 Climatic category
55/155/56

3.3 Stability class2%

Temperature coefficient ofresistance (10-6 / °C)

Rated resistance
range ()101M
19.76
101M
19.1
101M
19.76
101M
19.1
101M
19.76
101M
19.1
101M
19.76
101M
19.1
101M
19.76101M
19.1

Preferred
number series
for resistors

Tolerance on rated
resistance

E24, 96

D(0.5%),F(1%)

E24

J(5%)

E24, 96

D(0.5%),F(1%)

E24

J(5%)

E24, 96

D(0.5%),F(1%)

E24

J(5%)

E24, 96

D(0.5%),F(1%)

E24

J(5%)

E24, 96

D(0.5%),F(1%)

E24

J(5%)

Category temperature
range (°C)−55+155

Lower category temperature
Upper category temperature
Duration of the damp heat, steady state test

− 55 °C+155 °C
56daysLimits for change of resistance:−for long−term tests±(2%+0.1)−for short−term tests±(0.5%+0.05)Product specification contained in this data sheet 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: 2023.1.11

Title:

No: RMCH−K−HTS-0001/5
FIXED THICK FILM CHIP RESISTORS; RECTANGULAR TYPE & HIGH POWER
RMCH10,16,20,32,35
Page: 3/11

3.4 Derating
The derated values of dissipation at temperature in excess of 70 °C shall be as indicated by the following curve.
100

Percentage of the
rated dissipation
Area of recommended
operation

(%)
0
−55

155

70

Ambient temperature (°C)

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 ()Limiting element voltage can only be applied to resistors when the resistance value is equal to or higher than the criticalresistance 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−2.
Table−2
SymbolB
TH
TP
TE

Packaging form
Bulk (loose package)
Paper taping
Paper taping
Embossed taping

8mm width, 2mm pitches
8mm width, 4mm pitches
8mm width, 4mm pitches

Standard packaging
quantity / units
1,000 pcs.
10,000 pcs.
5,000 pcs.
4,000 pcs.

Application
RMCH10,16,20,32,35
RMCH10
RMCH16,20,32
RMCH35

Product specification contained in this data sheet 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: 2023.1.11

Title:

No: RMCH−K−HTS-0001/5
FIXED THICK FILM CHIP RESISTORS; RECTANGULAR TYPE & HIGH POWER
RMCH10,16,20,32,35
Page: 4/11

5. Dimensions
5.1 The resistor shall be of the design and physical dimensions in accordance with Figure−2 and Table−3.

W

L

c

d

d

H

c

Figure−2
Table−3
Style
RMCH10L
1.0±0.05

W
0.5±0.05

H
0.35±0.05c
0.2±0.15

Unit : mmd+0.05
0.25−0.10

RMCH16

1.6±0.1

0.8 +0.15−0.05

0.45±0.10

0.3±0.2

0.3±0.1

RMCH202.0±0.1

1.25±0.10

0.55±0.10

0.3±0.2

0.4±0.2

RMCH323.1±0.1

1.6±0.15

0.55±0.10

0.3±0.2

0.5±0.25

RMCH353.1±0.15

2.5±0.15

0.55±0.15

0.3±0.2

0.5±0.25

5.2 Net weight (Reference)
Style
Net weight(mg)
RMCH10
0.6
RMCH16
2
RMCH205
RMCH32
9
RMCH3516
6. Marking
The nominal resistance shall be marked in 3 digits or 4 digits and marked on over coat side.
• E24 series: 3 digits, E96 series: 4 digits
In case of the resistance value that E96 overlaps with E24, It is marked by either.
The Rated resistance of RMCH10 should not be marked.
The Rated resistance of RMCH16 should not be marked in 4 digits (E96).
Marking example
Contents
Application
123
RMCH16,20,32,35
12×10 3 ［］ → 12 ［k］
2R2
2. 2 ［］Less than 10 of RMCH16,20,32,35
3
5623
RMCH20,32,35
562×10 ［］ → 562［k］
12R7
RMCH20,32,35
12.7 ［］Product specification contained in this data sheet 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: 2023.1.11

Title:

No: RMCH−K−HTS-0001/5
FIXED THICK FILM CHIP RESISTORS; RECTANGULAR TYPE & HIGH POWER
RMCH10,16,20,32,35
Page: 5/11

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−4.
Table−4(1)No.
Test items
Performance requirements
Condition of test (JIS C 5201−1)
1
Visual examination
As in 4.4.1
Sub−clause 4.4.1
The marking shall be legible, as
Checked by visual examination.
checked by visual examination.
2
Dimension
Sub−clause 4.4.2
As specified in Table−3 of thisspecification.
Resistance
As in 4.5.2
Sub−clause 4.5
The
resistance
value
shall
correspond with the rated resistancetaking into account the specified
tolerance.
3
Voltage proof
Sub−clause 4.7
No breakdown or flash over
Method: 4.6.1.4
Test voltage: Alternating voltage with a peakvalue of 1.42 times the insulation
voltage.
Duration: 60 s ± 5 s
Insulation resistanceR1G
Test voltage: Insulation voltage
Duration: 1 min.
4
Solderability
As in 4.17.4.5
Sub−clause 4.17
The terminations shall be covered
Without ageing
Flux: The resistors shall be immersed in a with a smooth and bright solder
coating.
non−activated soldering flux for 2s.
Bath temperature: 235 °C ± 5 °C
Immersion time: 2 s ± 0.5 s
5Mounting
Sub−clause 4.31
Substrate material: Epoxide woven glass
Overload
Sub−clause 4.13
(in the mounted state)
The applied voltage shall be 2.5 times the
rated voltage or twice the limiting element
voltage, whichever is the less severe.
Duration: 2 s
No visible damage
Visual examination
R  ± (1%+0.05)Resistance
Solvent resistance of the Sub−clause 4.30
Legible marking
marking
Solvent: 2−propanol
Solvent temperature: 23 °C ± 5 °C
Method 1
Rubbing material: cotton wool
Without recovery

Product specification contained in this data sheet 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: 2023.1.11

Title:No
6

7

No: RMCH−K−HTS-0001/5
FIXED THICK FILM CHIP RESISTORS; RECTANGULAR TYPE & HIGH POWER
RMCH10,16,20,32,35
Page: 6/11
Table−4(2)Condition of test (JIS C 5201−1)
Mounting
Sub−clause 4.31
Substrate material: Epoxide woven glass
Bound strength of the end face Sub−clause 4.33
plating
Bent value: 3 mm (3225 size max.)
Final measurements
ResistanceSub−clause 4.33.6
Visual examination
Resistance to soldering heat
Sub−clause 4.18
Solder temperature: 260 °C ± 5 °C
Immersion time: 10 s ± 0.5 s
Visual examination
Test items

Component solvent resistance8

Mounting
Adhesion

Rapid change temperature

ResistanceSub−clause 4.29
Solvent: 2−propanol
Solvent temperature: 23 °C ± 5 °C
Method 2
Recovery: 48 h
Visual examination
ResistanceSub−clause 4.31
Substrate material: Epoxide woven glass
Sub−clause 4.32
Force: 5 N
Duration: 10 s ± 1 s
Visual examination
Sub−clause 4.19
Lower category temperature: −55 °C
Upper category temperature: +155 °C
Duration of exposure at each temperature: 30
min.
Number of cycles: 5 cycles.
Visual examination
Resistance

Performance requirementsR  ± (0.5%+0.05)No visible damage

As in 4.18.3.4
No sign of damage such as cracks.
R  ± (0.5%+0.05)No visible damage
R  ± (0.5%+0.05)No visible damage

No visible damage
R  ±(0.5%+0.05)Product specification contained in this data sheet 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: 2023.1.11

Title:No
9

No: RMCH−K−HTS-0001/5
FIXED THICK FILM CHIP RESISTORS; RECTANGULAR TYPE & HIGH POWER
RMCH10,16,20,32,35
Page: 7/11

Test items
Climatic sequence−Dry heat−Damp heat, cycle(12+12hour cycle)
First cycle−Cold−Damp heat, cycle(12+12hour cycle)
Remaining cycle−D.C. load

10

Mounting

Table−4(3)Performance requirements
Condition of test (JIS C 5201−1)
Sub−clause 4.23
Sub−clause 4.23.2
Test temperature: +155 °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
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 thesmaller.
Duration: 1 min.
No visible damage
Visual examination
R  ± (2%+0.1)ResistanceSub−clause 4.31
Substrate material: Epoxide woven glass

Endurance at 70 °C

11Sub−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 off.
The applied voltage shall be the rated voltage
or the limiting element voltage whichever is thesmaller.
Examination at 48 h , 500 h and1000 h:No visible damage
Visual examination
R  ± (2%+0.1)Resistance
Mounting
Sub−clause 4.31
Substrate material: Epoxide woven glass
Variation of resistance with Sub−clause 4.8
As in Table−1
temperature−55 °C / +20 °C+20 °C / +155°C

Product specification contained in this data sheet 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: 2023.1.11

Title:No
12

No: RMCH−K−HTS-0001/5
FIXED THICK FILM CHIP RESISTORS; RECTANGULAR TYPE & HIGH POWER
RMCH10,16,20,32,35
Page: 8/11

Test items
Mounting
Damp heat, steady state

13

Dimensions (detail)

Table−4(4)Performance requirements
Condition of test (JIS C 5201−1)
Sub−clause 4.31
Substrate material: Epoxide woven glass
Sub−clause 4.24
Ambient temperature: 40 °C ± 2 °C
Relative humidity : 93 +2−3 %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). without polarizing
voltage [4.24.2.1, c)]No visible damage
Visual examination
Legible markingR  ± (2%+0.1)ResistanceSub−clause 4.4.3
As in Table−3

Mounting

Sub−clause 4.31
Substrate material: Epoxide woven glass
Endurance at upper category Sub−clause 4.25.3
temperature
Ambient temperature:155 °C ± 2 °C
Duration: 1000 h
Examination at 48 h, 500 h and1000 h:Visual examination
ResistanceNo visible damage
R  ± (2%+0.1)Product specification contained in this data sheet 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: 2023.1.11

Title:

No: RMCH−K−HTS-0001/5
FIXED THICK FILM CHIP RESISTORS; RECTANGULAR TYPE & HIGH POWER
RMCH10,16,20,32,35
Page: 9/11

8. Taping
8.1 Applicable documents JIS C 0806−3: 2014, EIAJ ET−7200C: 2010
8.2 Taping dimensions
8.2.1 Paper taping (8mm width, 2mm pitches)
Taping dimensions shall be in accordance with Figure−3 and Table−5.

t1

Sprocket hole

1.5 +000.1

40.1

Unit: mm1.750.1

B

80.2

A

t2

20.05Carrier cavity

Style
RMCH10A
0.65+0.05−0.10

Figure−3
Table−5B
1.15 −+0.05
0.10

3.50.05
Direction of unreelingt1
0.4 ± 0.05

Unit: mmt2
0.5max.

8.2.2 Paper taping (8mm width, 4mm pitches)
Taping dimensions shall be in accordance with Figure−4 and Table−6.
Unit: mm40.1
t1

Sprocket hole

1.5 +0.1
020.051.750.1

B

80.2

A

t2

Carrier cavity

40.1

3.50.05
Direction of unreeling

Style
RMCH16
RMCH20
RMCH32

Figure−4
Table−6AB
1.15 ± 0.15
1.9 ± 0.2
1.65±0.15
2.5±0.2
2.00±0.15
3.6±0.2t1
0.6 ± 0.1

Unit: mmt2
0.8max.

0.8±0.1

1.0max.

±±±

Product specification contained in this data sheet 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: 2023.1.11

Title:

No: RMCH−K−HTS-0001/5
FIXED THICK FILM CHIP RESISTORS; RECTANGULAR TYPE & HIGH POWER
RMCH10,16,20,32,35
Page: 10/11

8.2.3 Embossed taping dimensions shall be in accordance with Figure−5 and Table−7.
Unit: mm
0.3 max.
20.05
Sprocket hole

1.5+0.1
01.750.1

40.1

Carrier cavity

t1

Style
RMCH35A
2.85±0.20

W

B

E

A

40.1

Direction of unreeling

Figure−5
Table−7BW
3.5±0.2
8.0±0.3E
3.5±0.05

Unit: mmt1
1.0±0.2

1). The cover tapes shall not cover the sprocket holes.
2). Tapes in adjacent layers shall not stick together in the packing.
3). Components shall not stick to the carrier tape or to the cover tape.
4). Pitch tolerance over any 10 pitches ±0.2mm.
5). The peel strength of the top cover tape shall be with in 0.1N to 0.5N on the test method as shown in the following
RMCH10,16,20,32: Figure−6, RMCH35: Figure−7.
6). When the tape is bent with the minimum radius for 25 mm, the tape shall not be damaged and the components shall maintaintheir position and orientation in the tape.
7). In no case shall there be two or more consecutive components missing.
The maximum number of missing components shall be one or 0.1%, whichever is greater.
8). The resistors shall be faced to upward at the over coating side in the carrier cavity.
Top cover tape
Carrier tape165to180

Peel−off(About 300mmmin)

Direction of unreeling

Figure−6
Top cover tape
Carrier tape165to180

Peel−off(About 300mmmin)

Direction of unreeling

Figure−7

Product specification contained in this data sheet 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: 2023.1.11

Title:

No: RMCH−K−HTS-0001/5
FIXED THICK FILM CHIP RESISTORS; RECTANGULAR TYPE & HIGH POWER
RMCH10,16,20,32,35
Page: 11/11

8.3 Reel dimension
Reel dimensions shall be in accordance with the following Figure−8 and Table−8.
Plastic reel (Based on EIAJ ET−7200C)
Unit: mm

0

+1
60 0

130.220.5

180 −1.5

Marking A

210.8

Marking B

A

B

Figure−8
Table−8A

Unit: mm
B
Note
Style
Injection
molding11.4±1.0
RMCH10,16,20,32,35
9 +1.0013±1.0Vacuum forming
Note Marking label shall be marked on a place of Marking A or two place of marking A and B.
8.4 Leader and trailer tape.
(Example)

400mm min
100mm min

160mm min
End

Start
Trailer

LeaderDirection of unreeling

Figure−99. Marking on package
The label of a minimum package shall be legibly marked with follows.
9.1 Marking A(1) Classification(Style, Temperature coefficient of resistance, Rated resistance, Tolerance on rated resistance, Packaging form)(2) Quantity (3) Lot number (4) Manufacturer’s name or trade mark9.2 Marking B (KAMAYA Control label)(5) Others

Product specification contained in this data sheet are subject to change at any time without notice.
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Issue: KAMAYA ELECTRIC CO., LTD. Research & Development Department HOKKAIDO Research center Last update: 2023.1.11