SURFACE MOUNT RESISTOR
RM Series: Thick Film
INTRODUCTION
RFE International, Inc. offers a wide range of chip
resistors to meet your application requirements. They are
made with metal glazed thick film on a high purity ceramic
substrate which is overcoated for stability and protection.
These resistors are AEC-Q200 qualified and are suitable
for all applications (automotive, lighting, power, etc).
• Lower &
Ηigher
values see additional RM Series
• Anti-Sulfur Thick Film see RMS Series
• High Power Thick Film see RMH Series
• Anti-Sulfur High Power see RMP Series
• Thin Film see RMT Series
• Fusible Resistors see RMF Series
• Thick Film Array Chip see RCN Series
• Metal Array Low-Resistance see LR Series
Size Code
RM02 (0201)
RM04 (0402)
RM06 (0603)
RM10 (0805)
RM12 (1206)
RM25 (1210)
RM50 (2010)
RM50S (1812)
RM1W (2512)
RM1WS (1218)
RM2W (2030)
L
0.01~100M
Ω
D
Glass Passivation
RoHS
DIMENSIONS
H
C
L
W
Max. Dimension (mm)
W
H
C
D
PART NUMBER EXAMPLE
RM 10 R - 10K - J
Series
Size Code
Taped & Reeled
0.60±0.03
1.00±0.10
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
0.30±0.03
0.50±0.05
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
0.23±0.05
0.30±0.05
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
0.15±0.05
0.15±0.10
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
0.15±0.05
0.15±0.10
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
0R0
1.0
1R0
100
100R
1.5K
1K5
15K 1.5 Meg 10 Meg
15K
1M5
10M
ELECTRICAL CHARACTERISTICS & RESISTANCE RANGE
Rated
Power
at 70°C
0.05W
0.063W
0.10W
Code
RM02
RM04
RM06
Size
(0201)
(0402)
(0603)
Max.
Working
Voltage
25V
50V
50V
Max.
Overload
Voltage
50V
100V
100V
Resistance Range
T.C.R.
(PPM/°C)
±200
0 ~ +400
±300
±200
±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%)
10Ω ~ 1MΩ
1Ω ~ 9.9Ω
10Ω ~ 990Ω
1KΩ ~ 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
1Ω ~ 9.9Ω
10Ω ~ 10MΩ
J (±5%)
10Ω ~ 1MΩ
1Ω ~ 9.9Ω
10Ω ~ 990Ω
1KΩ ~ 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
1Ω ~ 9.9Ω
10Ω ~ 10MΩ
10Ω ~ 1MΩ
10Ω ~ 1MΩ
RM10
(0805)
(1206)
0.125W
150V
300V
10Ω ~ 1MΩ
RM12
RM25
0.25W
0.33W
0.50W
200V
200V
400V
10Ω ~ 1MΩ
(1210)
400V
400V
10Ω ~ 1MΩ
RM50
(2010)
200V
10Ω ~ 1MΩ
RM50S
(1812)
0.50W
200V
400V
10Ω ~ 1MΩ
RM1W
(2512)
1.0W
250V
500V
10Ω ~ 1MΩ
RM1WS
(1218)
1.0W
250V
500V
10Ω ~ 1MΩ
RM2W
(2030)
2.0W
250V
500V
10Ω ~ 1MΩ
Page 1 of 5
RFE International
• Tel:(949) 833-1988 • Fax:(949) 833-1788 • E-Mail Sales@rfeinc.com
C2BB01
2015.02.17
SURFACE MOUNT RESISTOR
RM Series: Thick Film
RATINGS FOR LOW RESISTANCE <1
TYPE
RM04
(0402)
RM06
(0603)
Rated
Max Working
Power at
Voltage
70°
C
0.063 W
0.25 V
Max
Overload
Voltage
0.624 V
T.C.R.
(PPM/°
C)
+ 800
+ 800
0.1 W
0.31 V
0.775 V
+ 600
+ 400
+ 1000
RM10
(0805)
0.125 W
0.35 V
0.875 V
+ 800
+ 600
+ 400
+ 800
RM12
(1206)
0.25 W
0.5 V
1.25 V
+ 600
+ 500
+ 400
+ 800
RM25
(1210)
0.33 W
0.57 V
1.425 V
+ 600
+ 500
+ 400
+ 800
RM50
(2010)
0.5 W
0.7 V
1.75 V
+ 800
+ 600
+ 400
+ 800
RM50S
(1812)
0.5 W
0.7 V
1.75 V
+ 600
+ 500
+ 400
+ 800
RM1W
(2512)
RM1WS
(1218)
1W
0.99 V
2.475V
+ 700
+ 500
+ 400
1W
0.99 V
2.475V
+ 800
+ 400
Resistance Range
(mΩ)
F (+ 1%, J (+ 5%)
470 ~ 990
100 ~ 330
331 ~ 550
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 ~ 100
101 ~ 330
331 ~ 990
10 ~ 50
51 ~ 990
0.01~100M
Ω
RoHS
ELECTRICAL CHARACTERISTICS & RESISTANCE RANGE
(CONTINUE)
RATINGS FOR HIGH RESISTANCE >10Meg
TYPE
Rated
Max
Max
Power at Working Overload
70°
C
Voltage Voltage
0.063 W
0.1 W
0.125 W
0.25 W
0.33 W
0.5 W
1W
1W
50V
50V
150V
200V
200V
200V
200V
200V
100V
100V
300V
400V
+ 200
400V
400V
400V
400V
10.1 MΩ
~
54 MΩ
10.1 MΩ
~
100 MΩ
T.C.R.
(PPM/°
C)
Resistance
Range
(mΩ)
F (+ 1%)
J (+ 5%)
RM04
(0402)
RM06
(0603)
RM10
(0805)
RM12
(1206)
RM25
(1210)
RM50
(2010)
RM1W
(2512
RM1WS
(1218)
Page 2 of 5
RFE International
• Tel:(949) 833-1988 • Fax:(949) 833-1788 • E-Mail Sales@rfeinc.com
C2BB01
2015.02.17
SURFACE MOUNT RESISTOR
RM Series: Thick Film
PERORMANCE CHARACTERISTICS
Power Derating Curve
100
0.01~100M
Ω
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 = √P x R
E = Rated Voltage (V)
P = Power Rating (W)
R = Nominal Resistance (Ω)
Operation and Storage Temperature
TYPE
Operation temperature
Storage temperature
Storage humidity
MIN
-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
• Tel:(949) 833-1988 • Fax:(949) 833-1788 • E-Mail Sales@rfeinc.com
C2BB01
2015.02.17
SURFACE MOUNT RESISTOR
RM Series: Thick Film
TEST PROCEDURES & REQUIREMENTS
Test Item
Test Method
Procedure
-55°C ~ +155°C, 20°C is the reference temperature
0.01~100M
Ω
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: ±(1.0%+0.05Ω)
±5: ±(2.0%+0.1Ω)
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:
RM Series 0402 ' 0603 ' 0805 = 5mm
RM Series 1206 ' 1210 ' 1812 = 3mm
RM 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
C2BB01
2015.02.17
SURFACE MOUNT RESISTOR
RM Series: Thick Film
PACKAGE & DIMENSION (mm)
Size
RM02(0201)
RM04(0402)
RM06(0603)
RM10(0805)
RM12(1206)
RM25(1210)
RM50(2010)
RM50S(1812)
RM1W(2512)
RM1WS(1218)
RM2W(2030)
0.01~100M
Ω
RoHS
Package Q’ty
7”
7”
10”
13”
7”
10K/reel
5K/reel
10K/reel
20K/reel
5K/reel
A
2.0±0.5
2.0±0.5
2.0±0.5
2.0±0.5
2.0±0.5
Ø
B
Ø
C
Ø
D
W
11.5±2.0
11.5±2.0
11.5±2.0
11.5±2.0
11.5±2.0
Ø
M
13.5±1.0
13.5±1.0
13.5±1.0
13.5±1.0
13.5±1.0
21±1.0
21±1.0
21±1.0
21±1.0
21±1.0
60±1.0
60±1.0
100±1.0
100±1.0
60±1.0
178±2.0
178±2.0
254±2.0
330±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
7”
1K/reel
2.0±0.5
13.5±1.0
21±1.0
60±1.0
19.0±2.0
178±2.0
TAPING SPECIFICATION
Paper Type
(P= 2.0
± 0.1)
Size
RM02(0201)
RM04(0402)
RM06(0603)
RM10(0805)
RM12(1206)
RM25(1210)
A
0.45±0.10
0.70±0.10
1.05±0.20
1.55±0.20
1.90±0.20
2.85±0.20
B
0.75±0.10
1.20±0.10
1.80±0.20
2.30±0.20
3.50±0.20
3.50±0.20
W
8.0±0.20
8.0±0.20
8.0±0.20
8.0±0.20
8.0±0.20
8.0±0.20
E
1.75±0.10
1.75±0.10
1.75±0.10
1.75±0.10
1.75±0.10
1.75±0.10
F
3.5±0.05
3.5±0.05
3.5±0.05
3.5±0.05
3.5±0.05
3.5±0.05
G
4.0±0.10
4.0±0.10
4.0±0.10
4.0±0.10
4.0±0.10
4.0±0.10
H
2.0±0.05
2.0±0.05
2.0±0.05
2.0±0.05
2.0±0.05
2.0±0.05
T
0.35±0.10
0.45±0.10
0.60±0.10
0.75±0.10
0.75±0.10
0.75±0.10
Ø
D
1.50±0.10
1.50±0.10
1.50±0.10
1.50±0.10
1.50±0.10
1.50±0.10
Embossed Type
(P= 4.0
± 0.1)
(2W.P= 8.0
± 0.2)
Size
RM50(2010)
RM50S(1812)
RM1W(2512)
RM1WS(1218)
RM2W(2030)
A
2.80±0.20
3.40±0.20
3.30±0.20
3.30±0.20
5.50±0.20
B
5.60±0.20
6.70±0.20
4.60±0.20
4.60±0.20
7.90±0.20
W
12±0.10
12±0.10
12±0.10
12±0.10
16±0.10
E
1.75±0.10
1.75±0.10
1.75±0.10
1.75±0.10
1.75±0.10
F
5.5±0.05
5.5±0.05
5.5±0.05
5.5±0.05
7.5±0.05
G
4.0±0.10
4.0±0.10
4.0±0.10
4.0±0.10
4.0±0.10
H
2.0±0.05
2.0±0.05
2.0±0.05
2.0±0.05
2.0±0.05
T
0.23±0.10
0.23±0.10
0.23±0.10
0.23±0.10
0.23±0.10
Ø
D
Ø
D1
T1
0.85±0.15
0.85±0.15
0.85±0.15
0.85±0.15
0.85±0.15
1.50±0.10
1.50±0.10
1.50±0.10
1.50±0.10
1.50±0.10
1.50±0.10
1.50±0.10
1.50±0.10
1.50±0.10
1.50±0.10
Page 5 of 5
RFE International
• Tel:(949) 833-1988 • Fax:(949) 833-1788 • E-Mail Sales@rfeinc.com
C2BB01
2015.02.17
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