RMC Series — General Purpose Thick Film Chip Resistors
Features
• Nickel barrier terminations standard
• Power derating from 100% at 70°C to
zero at +155°C
• Zero ohm available (max resistance 0.05Ω)
• RoHS compliant / lead-free available (RMCF)
Electrical Specifications
Type / Code
Package
Size
Power
Rating
(Watts)
@ 70°C
0.050W
0.063W
Maximum
Working
Voltage*
25V
50V
Maximum
Overload
Voltage
50V
100V
Max.
Current
Resistance Temperature
Coefficient
±300 ppm/°C
±200 ppm/°C
±200 ppm/°C
±100 ppm/°C
±350
±200
±100
±350
±350
±200
±100
±350
±350
±200
±100
±350
±350
±200
±100
±350
±350
±200
±100
±350
±350
±200
±100
±350
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
Ohmic Range and Tolerance
1%
10Ω – 97.6Ω
100Ω – 1MΩ
–
1Ω – 10MΩ
–
1Ω – 9.76Ω
10Ω – 1MΩ
1.02M – 10MΩ
–
0.1Ω – 0.976Ω
1.0Ω – 10MΩ
–
–
0.1Ω – 0.976Ω
1.0Ω – 10MΩ
–
–
0.1Ω – 0.976Ω
1.0Ω – 10MΩ
–
–
0.1Ω – 0.976Ω
1.0Ω – 10MΩ
–
–
0.1Ω – 0.976Ω
1.0Ω – 1MΩ
–
5%
10Ω – 91Ω
100Ω – 10MΩ
1Ω – 10MΩ
–
1Ω – 9.1Ω
10Ω – 10MΩ
–
11MΩ – 22MΩ
0.1Ω – 9.1Ω
10Ω – 10MΩ
–
11MΩ – 22MΩ
0.1Ω – 9.1Ω
10Ω – 10MΩ
–
11MΩ – 24MΩ
0.15Ω – 9.1Ω
10Ω – 10MΩ
–
11MΩ – 22MΩ
0.1Ω – 9.1Ω
10Ω – 10MΩ
–
11MΩ – 22MΩ
0.1Ω – 9.1Ω
10Ω – 10MΩ
–
11MΩ – 22MΩ
RMC 1/20
RMC 1/16S
0201
0402
1 Amp
1 Amp
RMC 1/16
0603
0.100W
50V
100V
1 Amp
RMC 1/10
0805
0.125W
150V
300V
2 Amp
RMC 1/8
1206
0.250W
200V
400V
2 Amp
RMC 1/4
1210
0.330W**
200V
400V
3 Amp
RMC 1/2
2010
0.750W
200V
400V
3 Amp
RMC 1
2512
1.000W
200V
400V
3 Amp
* Lesser of
√
PR or maximum working voltage.
**Power rating is 0.500W for ohmic values below 1K
Ω
How to Order
RMC
SEI Type
1/16
Code
4.7K
Nominal Resistance
5%
Tolerance
R
Packaging
SEI Type Description
RMC
RMCF
Standard
RoHS
Code Wattage Size
1/20
1/16
1/10
1/8
1/4
1/2
1
0.050W 0201
0.100W 0603
0.125W 0805
0.250W 1206
0.330W 1210
0.750W 2010
1.000W 2512
1/16S 0.063W 0402
Tolerance Values
1%
5%
E96,E24
E24
SEI Types
1/20
1/16S
1/16, 1/10, 1/8
1/4, 1/2, 1
Pkg Qty
15,000
Description
Code
R
G
R
A
R
10,000 10" reel - Paper
10,000
5,000
1,000
4,000
7" reel - Paper
Bulk
7" - Embossed
Toll Free: (888) SEI-SEIS
(888) 734-7347
www.seielect.com
1
email: marketing@seielect.com
Rev 01/08
RMC Series — General Purpose Thick Film Chip Resistors
.
Mechanical Specifications
Type / Code
RMC 1/20
RMC 1/16S
RMC 1/16
RMC 1/10
RMC 1/8
RMC 1/4
RMC 1/2
RMC 1
L
Body Length
0.024 ± 0.001
0.60 ± 0.03
0.039 ± 0.002
1.00 ± 0.05
0.063 ± 0.004
1.60 ± 0.10
0.079 ± 0.008
2.00 ± 0.20
0.126 ± 0.008
3.20 ± 0.20
0.126 ± 0.008
3.20 ± 0.20
0.197 ± 0.008
5.00 ± 0.20
0.248 ± 0.008
6.30 ± 0.20
W
Body Width
0.011 ± 0.001
0.30 ± 0.03
0.020 ± 0.002
0.50 ± 0.05
0.031 ± 0.004
0.80 ± 0.10
0.049 ± 0.004
1.25 ± 0.10
0.063 ± 0.006
1.60 ± 0.15
0.098 ± 0.008
2.50 ± 0.20
0.098 ± 0.008
2.50 ± 0.20
0.126 ± 0.008
3.20 ± 0.20
H
Body Height
0.009 ± 0.001
0.23 ± 0.03
0.014 ± 0.002
0.35 ± 0.05
0.018 ± 0.004
0.45 ± 0.10
0.020 ± 0.006
0.50 ± 0.15
0.021 ± 0.006
0.55 ± 0.15
0.021 ± 0.006
0.55 ± 0.15
0.021 ± 0.006
0.55 ± 0.15
0.021 ± 0.006
0.55 ± 0.15
a
Top Termination
0.004 ± 0.002
0.10 ± 0.05
0.008 ± 0.004
0.20 ± 0.10
0.012 ± 0.008
0.30 ± 0.20
0.016 ± 0.008
0.40 ± 0.20
0.020 ± 0.010
0.50 ± 0.25
0.020 ± 0.010
0.50 ± 0.25
0.024 ± 0.010
0.60 ± 0.25
0.024 ± 0.010
0.60 ± 0.25
b
Bottom Termination
0.006 ± 0.002
0.15 ± 0.05
0.010 +0.002, -0.004
0.25 +0.05, -0.10
0.012 ± 0.008
0.30 ± 0.20
0.016 ± 0.008
0.40 ± 0.20
0.020 ± 0.010
0.50 ± 0.25
0.020 ± 0.010
0.50 ± 0.25
0.024 ± 0.010
0.60 ± 0.25
0.024 ± 0.010
0.60 ± 0.25
Units
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
*Lead free (RMCF) dimensions same as standard parts
Performance Characteristics
Test
Short Time Overload
Dielectric Withstanding Voltage
Resistance to Soldering Heat
Solderability
Temperature Cycle
Test Conditions (JIS C 5202)
2.5x rated voltage for 5 seconds
100VAC, 1 minute
260°C ±5°C, for 10 sec. ±0.5 sec. (Solder Bath)
235°C ±5°C, for 2 sec. ±0.5 sec. (Colophonium flux)
-65°C: 30 min. 25°C: 2 to 3 min.
155°C: 30 min. 25°C: 2 to 3 min.
(5 Cycles)
40°C ± 2°C, 90% RH, Rated Load
90 min. On, 30 min. Off for 1,000 hrs. -0 hrs. / +48 hrs.
70°C ± 2°C, Rated Load
90 min. On, 30 min. Off for 1,000 hrs. -0 hrs. / +48 hrs.
1/10 rated voltage for 3 sec. max, then rated voltage for 3 sec. max.
Bend of 3mm for 5 ± 1 sec.
Test Results
±(2% +0.1Ω)
±(1% +0.05Ω)
±(1% +0.05Ω)
95% coverage, minimum
±(1% +0.05Ω)
Jumper (<0.05Ω)
±(3% +0.1Ω)
Jumper (<0.05Ω)
±(3% +0.1Ω)
Jumper (<0.05Ω)
±100 (ppm/V)
±(1.0% + 0.05 Ohm)
Endurance (Damp load)
Endurance (Rated load)
Voltage Coefficient
Robustness of Termination
Operating temp range: -65°C to +155°C
Toll Free: (888) SEI-SEIS
(888) 734-7347
www.seielect.com
2
email: marketing@seielect.com
Rev 01/08
Electronics Design Contest
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