RMCS Series — Sulfur Resistant Thick Film Chip Resistors
Features
• Barrier terminations engineered to deter
sulfur contamination
• Additional values available upon request
• RoHS compliant / lead-free
• Operating temp range from -55°C to
+155°C (0402 - 1210 sizes)
• Zero ohm available (max resistance 0.05Ω)
Electrical Specifications
Type / Code
Package
Size
Power
Rating
(Watts)
@ 70°C
0.05W
Maximum
Working
Voltage*
25
Maximum
Overload
Voltage
50
Max.
Current
(Jumper)
1 Amp
Resistance Temperature
Coefficient
±300 ppm/°C
±200 ppm/°C
±200 ppm/°C
±100 ppm/°C
±200 ppm/°C
±100 ppm/°C
±200 ppm/°C
±100 ppm/°C
±200 ppm/°C
±100 ppm/°C
±200 ppm/°C
±100 ppm/°C
±200 ppm/°C
±100 ppm/°C
±200 ppm/°C
±100 ppm/°C
±200 ppm/°C
Ohmic Range and Tolerance
1%
10Ω – 97.6Ω
100Ω – 1M
10Ω – 97.6Ω
100Ω – 1M
1.02M – 10M
10Ω – 1M
1.02M – 6.7M
10Ω – 2.2M
2.21M – 10M
10Ω – 1M
1.02M – 10M
10Ω – 1M
1.02M – 10M
10Ω – 1M
–
10Ω – 1M
–
5%
10Ω – 91Ω
100Ω – 10M
10Ω – 10M
–
–
–
10Ω – 22M
–
10Ω – 22M
–
10Ω – 24M
–
10Ω – 22M
–
10Ω – 22M
–
10Ω – 22M
RMCS 1/20
0201
RMCS 1/16S
0402
0.10W
50
100
1 Amp
RMCS 1/16
RMCS 1/10
RMCS 1/8
RMCS 1/4
RMCS 1/2
RMCS 1
0603
0805
1206
1210
2010
2512
0.10W
0.125W
0.25W
0.25W
0.50W
1W
50
150
200
200
200
200
100
300
400
400
400
400
1 Amp
2 Amp
2 Amp
2 Amp
2 Amp
2 Amp
* Lesser of
√
PR or maximum working voltage.
When the ambient temperature exceeds 70°C, the power (current for jumper chips) shall be derated according to this curve
How to Order
RMCS
SEI Type
SEI Type Description
RMCS
Anti Sulfur
Code
1/20
1/16S
1/16
1/10
1/8
1/4
1/2
1
1/16
Code
Wattage
0.05W
0.1W
0.1W
0.125W
0.25W
0.25W
0.50W
1W
Size
0201
0402
0603
0805
1206
1210
2010
2512
4.7K
Nominal Resistance
Tolerance
1%
5%
5%
Tolerance
R
Packaging
Styles
1/20
1/16S
1/16, 1/10, 1/8
1/4, 1/2, 1
All
Pkg Qty
15,000
10,000
5,000
4,000
1,000
Description
Tape - 2mm Pitch
Paper Tape
Embossed Tape
Bulk
A
R
Code
Values
E96,E24
E24
Toll Free: (888) SEI-SEIS
(888) 734-7347
www.seielect.com
5
email: marketing@seielect.com
RMCS Series — Sulfur Resistant Thick Film Chip Resistors
.
Mechanical Specifications
Type / Code
RMCS 1/20
RMCS 1/16S
RMCS 1/16
RMCS 1/10
RMCS 1/8
RMCS 1/4
RMCS 1/2
RMCS 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
Toll Free: (888) SEI-SEIS
(888) 734-7347
www.seielect.com
6
email: marketing@seielect.com
