SMD RESISTOR - HIGH POWER
RMH Series: Thick Film
INTRODUCTION
The RMH Series is a higher power (high wattage) version
of the basic RM Series thick film surface mount resistor.
RMH Series is made with a specially formulated substrate
and with an advanced process used to deposit the film.
As a result, power ratings can surpass standard series.
These resistors are AEC-Q200 qualified and suitable for
all applications (automotive, lighting, power, etc).
• Anti-Sulfur High Power see RMP Series
• Basic Thick Film Resistors see RM Series
• Anti-Sulfur Thick Film Resistors see RMS Series
• Fusible Resistors see RMF Series
• Thick Film Array Chip see RCN Series
• Thin Film Resistor see RMT series
• Metal Array Low-Resistance see LR Series
RoHS
DIMENSIONS
D
Glass Passivation
H
C
L
Max. Dimension (mm)
L
W
H
C
D
W
Size Code
RMH06 (0603)
RMH10 (0805)
RMH12 (1206)
RMH25 (1210)
RMH1W (2010)
RMH1WS (1812)
RMH2W (2512)
RMH2WS (1218)
RMH3W (2030)
PART NUMBER EXAMPLE
RMH 10 R - 10K - J
Series
Size Code
Taped & Reeled
1.60±0.20
2.00±0.20
3.05±0.10
3.05±0.10
5.00±0.20
4.50±0.10
6.30±0.20
3.10±0.10
5.10±0.10
0.80±0.15
1.25±0.15
1.60±0.20
2.50±0.20
2.50±0.20
3.00±0.10
3.20±0.20
4.60±0.10
7.60±0.10
0.40±0.10
0.50±0.15
0.55±0.15
0.55±0.15
0.55±0.10
0.55±0.05
0.55±0.10
0.55±0.05
0.60±0.05
0.20±0.10
0.30±0.15
0.40±0.20
0.50±0.20
0.60±0.20
0.55±0.20
0.60±0.20
0.40±0.20
0.80±0.20
0.20±0.10
0.40±0.15
0.50±0.20
0.50±0.20
0.60±0.20
0.70±0.20
0.60±0.20
0.50±0.20
0.80±0.20
RESISTANCE CODE
Tolerance Code
Resistance Code
Ohms
Code
0.0
100
1.5K 15K 1.5 Meg
1M5
0R0 100R 1K5 15K
ELECTRICAL CHARACTERISTICS & RESISTANCE RANGE
Rated
Power
at 70°C
0.125W
(1~10M Ω)
Resistance Range
Code
RMH06
Size
0603
Max.
Working
Voltage
50V
Max.
Overload
Voltage
100V
T.C.R.
(PPM/°C)
±400
±200
±100
±400
±200
±100
±400
±200
±100
±400
±200
±100
±400
±200
±100
±400
±200
±100
±400
±200
±100
±400
±200
±100
±400
±200
±100
B (±0.1%)
D (±0.5%)
F (±1%)
1Ω ~ 9.9Ω
J (±5%)
1Ω ~ 9.9Ω
10Ω ~ 10MΩ
1Ω ~ 9.9Ω
10Ω ~ 10MΩ
1Ω ~ 9.9Ω
10Ω ~ 10MΩ
1Ω ~ 9.9Ω
10Ω ~ 10MΩ
1Ω ~ 9.9Ω
10Ω ~ 10MΩ
1Ω ~ 9.9Ω
10Ω ~ 10MΩ
1Ω ~ 9.9Ω
10Ω ~ 10MΩ
1Ω ~ 9.9Ω
10Ω ~ 10MΩ
1Ω ~ 9.9Ω
10Ω ~ 10MΩ
10Ω ~ 1MΩ
10Ω ~ 10MΩ
1Ω ~ 9.9Ω
10Ω ~ 10MΩ
1Ω ~ 9.9Ω
10Ω ~ 10MΩ
1Ω ~ 9.9Ω
10Ω ~ 10MΩ
1Ω ~ 9.9Ω
10Ω ~ 10MΩ
1Ω ~ 9.9Ω
10Ω ~ 10MΩ
1Ω ~ 9.9Ω
10Ω ~ 10MΩ
1Ω ~ 9.9Ω
10Ω ~ 10MΩ
1Ω ~ 9.9Ω
10Ω ~ 10MΩ
RMH10
0805
0.25W
150V
300V
10Ω ~ 1MΩ
RMH12
RMH25
1206
1210
0.50W
0.66W
200V
200V
400V
10Ω ~ 1MΩ
400V
10Ω ~ 1MΩ
RMH1W
2010
1.0W
200V
400V
10Ω ~ 1MΩ
RMH1WS
1812
1.0W
200V
400V
10Ω ~ 1MΩ
RMH2W
2512
2.0W
250V
500V
10Ω ~ 1MΩ
RMH2WS
1218
2.0W
250V
500V
10Ω ~ 1MΩ
RMH3W
2030
3.0W
250V
500V
10Ω ~ 1MΩ
Page 1 of 5
RFE International
• Tel:(949) 833-1988 • Fax:(949) 833-1788 • E-Mail Sales@rfeinc.com
C2BB05
2014.01.13
SMD RESISTOR - HIGH POWER
RMH Series: Thick Film
ELECTRICAL CHARACTERISTICS & RESISTANCE RANGE
(CONTINUE)
RATINGS FOR LOW RESISTANCE <1W
TYPE
Rated
Power at
70°C
Max
Working
Voltage
Max
Overload
Voltage
T.C.R.
(PPM/°C)
±1000
± 800
± 600
± 400
±1000
± 800
± 600
± 400
± 800
± 600
± 500
± 400
± 800
± 600
± 500
± 400
± 800
± 600
± 500
± 400
± 800
± 600
± 500
± 400
± 800
RoHS
Resistance Range
(mΩ)
F(±1%), J(±5%)
50 ~ 91
100 ~ 330
331 ~ 510
511 ~ 990
10 ~ 50
51 ~ 100
101 ~ 330
331 ~ 990
10 ~ 50
51 ~ 100
101 ~ 330
331 ~ 990
10 ~ 50
51 ~ 100
101 ~ 330
331 ~ 990
10 ~ 50
51 ~ 100
101 ~ 330
331 ~ 990
10 ~ 50
51 ~ 100
101 ~ 330
331 ~ 990
10 ~ 50
51 ~ 990
10
51
101
331
~
~
~
~
50
100
330
990
RMH06
(0603)
RMH10
(0805)
RMH12
(1206)
RMH25
(1210)
RMH1W
(2010)
RMH1WS
(1812)
RMH2W
(2512)
RMH2WS
(1218)
RMH3W
(2030)
0.125W
0.352V
0.879V
0.25W
0.497V
1.244V
0.5W
0.704V
1.759V
0.66W
0.808V
2.021V
1W
0.995V
2.487V
1W
0.995V
2.487V
2W
1.407V
3.518V
± 400
±
±
±
±
800
600
500
400
2W
1.407V
3.518V
±1500
500 ~ 900
500 ~ 900
3W
1.723V
4.308V
± 800
RATINGS FOR HIGH RESISTANCE >10Meg Ω
TYPE
RMH06
(0603)
RMH10
(0805)
RMH12
(1206)
RMH25
(1210)
RMH1W
(2010)
RMH1WS
(1812)
RMH2W
(2512)
RMH2WS
(1218)
RMH3W
(2030)
Rated
Power at
70°C
Max
Working
Voltage
Max
Overload
Voltage
T.C.R.
(PPM/°C)
Resistance Range
(Ω)
F(±1%)
J(±5%)
0.125W
0.25W
0.50W
0.66W
1W
1W
2W
2W
3W
50V
150V
200V
200V
200V
200V
250V
250V
250V
100V
300V
400V
400V
± 200
400V
400V
500V
500V
500V
54MΩ
100MΩ
10.1MΩ
10.1MΩ
~
~
Page 2 of 5
RFE International
• Tel:(949) 833-1988 • Fax:(949) 833-1788 • E-Mail Sales@rfeinc.com
C2BB05
2014.01.13
SMD RESISTOR - HIGH POWER
RMH Series: Thick Film
PERORMANCE CHARACTERISTICS
Power Derating Curve
100
RoHS
Operating Temperature Range
55°C to 155°C
Power Ratio (%)
80
1
60
40
1
20
155°C
1
0
-55 0
20
40
60 70 80 100 120 140 160
Ambient Temperature (°)
Power rating or current rating is in the case based on continuous full-load at ambient
temperature of 70ºC. For operation at ambient temperature in excess of 70ºC, the load
should be derated in accordance with figure of derating Curve.
Voltage Rating or Current Rating
Resistance Range: >1Ω
Rated Voltage: The resistor shall have a DC continuous working voltage or a RMS AC
continuous working voltage at commercial-line frequency and wave form
corresponding to the power rating, as determined formula as follows:
E = vP x R
E = Rated Voltage (V)
P = Power Rating (W)
R = Nominal Resistance (Ω)
Operation and Storage Temperature
MIN
Operation temperature
Storage temperature
Storage humidity
-55ºC
20ºC
30%
MAX
70ºC
30ºC
70ºC
Soldering Profile
250
1
Peak
250
0
ºC
230ºC or Higher
Pre Heating Zone
+5
200
180ºC
1
150
1
150ºC
90 ± 30 s
30 ± 10 s
Soldering Zone
Heating Time
100
1
50
Page 3 of 5
RFE International
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C2BB05
2014.01.13
SMD RESISTOR - HIGH POWER
RMH Series: Thick Film
TEST PROCEDURES & REQUIREMENTS
Test Item
Test Method
Procedure
-55°C ~ +155°C, 20°C is the reference temperature
RoHS
Requirements
Temperature
JIS C 5201-1
Coefficient of
Resistance (T.C.R.)
Clause 4.8
Short Time
Overload
JIS C 5201-1
Clause 4.13
Refer to Ratings
General:
2.5 times RCWV or Max. Overload voltage for 5 seconds
High Power:
2.5 times RCWV or Max. Overload voltage for 2 seconds
250
1
Peak
250
0
ºC
230ºC or Higher
Pre Heating Zone
+5
±1: ±(1.0%+0.05Ω)
±5: ±(2.0%+0.1Ω)
200
180ºC
1
150
150ºC
IR Reflow
Sony SS-00254
90 + 30 s
30 + 10 s
Soldering Zone
Heating Time
±1: ±(1.0%+0.05Ω)
±5: ±(2.0%+0.1Ω)
1
100
1
50
Leaching
Soldering Heat
Sony SS-00254-9
JIS C 5201-1
Clause 4.18
JIS C 5201-1
Clause 4.19
260 ±5°C for 30 seconds
> 95% Coverage
±1: ±(0.5%+0.05Ω)
±5: ±(1.0%+0.05Ω)
0.1%
'
0.5%
'
1%
±(0.5%+0.05Ω)
2%
'
5%
±(1.0%+0.1Ω)
±1: ±(0.5%+0.05Ω)
±5: ±(1.0%+0.05Ω)
±1: ±(0.5%+0.05Ω)
±5: ±(1.0%+0.05Ω)
0.1%
'
0.5%
'
1%
±(0.5%+0.05Ω)
2%
'
5%
±(
3
.0%+0.1Ω)
0.1%
'
0.5%
'
1%
±(
1.0
%+0.05Ω)
2%
'
5%
±(
3.0
%+0.1Ω)
260 ±5°C for 10 seconds
Temperature
Cycling
-55°C ~ +155°C, 5 cycles
Electric Iron
Resistance to
Solvent
Sony SS-00254-5
JIS C 5201-1
Clause 4.29
Preheating termperature: 350 ± 5°C
Electric Iron preheating time: 3 +1/-0 sec.
The tested resistor be immersed into isopropyl alcoho
of 20~25°C for 60 seconds.
Then the resistor is left in the room for 48 hours.
Load Life
in Humidity
JIS C 5201-1
Clause 4.24
40 ± 2°C, 90~95% R.H. or Max. working voltage for
1000 hours with 1.5 hrs “ON” and 0.5hr “OFF”.
Load Life
(Endurance)
JIS C 5201-1
Clause 4.25
70 ± 2°C, or Max. working voltage for 1000 hours
with 1.5 hrs “ON” and 0.5hr “OFF”.
Terminal Bending
Strength
Insulation
Resistance
JIS C 5201-1
Clause 4.33
Bending once for 5 seconds
D:
RMH Series 0402 ' 0603 ' 0805 = 5mm
RMH Series 1206 ' 1210 ' 1812 = 3mm
RMH Series 1218 ' 2010 ' 2512 ' 2030 = 2mm
Max Overload Voltage for 1 min.
±1: ±(1.0%+0.05Ω)
±5: ±(1.0%+0.05Ω)
JIS C 5201-1
Clause 4.6
= 10G
Page 4 of 5
RFE International
• Tel:(949) 833-1988 • Fax:(949) 833-1788 • E-Mail Sales@rfeinc.com
C2BB05
2014.01.13
SMD RESISTOR - HIGH POWER
RMH Series: Thick Film
PACKAGE & DIMENSION (mm)
RoHS
Unit: mm
Type
RMH06 (0603)
RMH10 (0805)
RMH12 (1206)
RMH25 (1210)
RMH1W (2010)
RMH1WS (1812)
RMH2W (2512)
RMH2WS (1218)
RMH3W (2030)
7", 1K / Reel
2.0 ± 0.5 13.5 ± 1.0 21 ± 1.0
60 ± 1.0
19.0 ± 2.0 178 ± 2.0
7", 4K / Reel
2.0 ± 0.5 13.5 ± 1.0 21 ± 1.0
60 ± 1.0
16.0 ± 2.0 178 ± 2.0
Size
7", 5K / Reel
10", 10K / Reel
13", 20K / Reel
7", 5K / Reel
A
ΦB
ΦC
ΦD
60 ± 1.0
100 ± 1.0
100 ± 1.0
60 ± 1.0
W
11.5 ± 2.0
11.5 ± 2.0
11.5 ± 2.0
11.5 ± 2.0
ΦM
178 ± 2.0
254 ± 2.0
330 ± 2.0
178 ± 2.0
2.0 ± 0.5 13.5 ± 1.0 21 ± 1.0
2.0 ± 0.5 13.5 ± 1.0 21 ± 1.0
2.0 ± 0.5 13.5 ± 1.0 21 ± 1.0
2.0 ± 0.5 13.5 ± 1.0 21 ± 1.0
TAPING SPECIFICATION
Paper Type
(P= 2.0 ± 0.1)
Unit mm
Type
A
B
W
E
F
G
H
T
ΦD
RMH06 (0603) 1.05 + 0.20 1.80 + 0.20 8.0 + 0.20 1.75 + 0.10 3.5 + 0.05 4.0 + 0.10 2.0 + 0.05 0.60 + 0.10 1.50 + 0.10
RMH10 (0805) 1.55 + 0.20 2.30 + 0.20 8.0 + 0.20 1.75 + 0.10 3.5 + 0.05 4.0 + 0.10 2.0 + 0.05 0.60 + 0.10 1.50 + 0.10
RMH12 (1206) 1.90 + 0.20 3.50 + 0.20 8.0 + 0.20 1.75 + 0.10 3.5 + 0.05 4.0 + 0.10 2.0 + 0.05 0.60 + 0.10 1.50 + 0.10
RMH25 (1210) 2.85 + 0.20 3.50 + 0.20 8.0 + 0.20 1.75 + 0.10 3.5 + 0.05 4.0 + 0.10 2.0 + 0.05 0.60 + 0.10 1.50 + 0.10
Embossed Type
(P= 4.0 ± 0.1)
Unit mm
Type
RMH1W (2010)
A
B
W
E
F
G
H
T
ΦD
ΦD1
T1
2.80 ± 0.20 5.60 ± 0.20 12 ± 0.10 1.75 ± 0.10 5.5 ± 0.05 4.0 ± 0.10 2.0 ± 0.05 0.23 ± 0.10 1.50 ± 0.10 1.50 ± 0.10 0.85 ± 0.15
RMH1WS (1812) 3.40 ± 0.20 6.70 ± 0.20 12 ± 0.10 1.75 ± 0.10 5.5 ± 0.05 4.0 ± 0.10 2.0 ± 0.05 0.23 ± 0.10 1.50 ± 0.10 1.50 ± 0.10 0.85 ± 0.15
RMH2W (2512)
3.30 ± 0.20 4.60 ± 0.20 12 ± 0.10 1.75 ± 0.10 5.5 ± 0.05 4.0 ± 0.10 2.0 ± 0.05 0.23 ± 0.10 1.50 ± 0.10 1.50 ± 0.10 0.85 ± 0.15
RMH2WS (1218) 3.30 ± 0.20 4.60 ± 0.20 12 ± 0.10 1.75 ± 0.10 5.5 ± 0.05 4.0 ± 0.10 2.0 ± 0.05 0.23 ± 0.10 1.50 ± 0.10 1.50 ± 0.10 0.85 ± 0.15
RMH3W (2030)
5.50 ± 0.20 7.90 ± 0.20 16 ± 0.10 1.75 ± 0.10 7.5 ± 0.05 4.0 ± 0.10 2.0 ± 0.05 0.25 ± 0.10 1.50 ± 0.10 1.50 ± 0.10 0.85 ± 0.15
Page 5 of 5
RFE International
• Tel:(949) 833-1988 • Fax:(949) 833-1788 • E-Mail Sales@rfeinc.com
C2BB05
2014.01.13
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