RS / RSM Series — General Purpose Metal Oxide Resistors
Features
• Lower-cost alternative to Carbon Comps and Wirewounds
• Coating meets UL 94V-0
• Meets solvent test of Mil Standard 202, Method 215
• Cut and formed product is available on select sizes; contact factory for details
• Higher or lower resistance values may be possible; contact factory
• RoHS compliant / lead-free available (RSF, RSMF)
Electrical Specifications
Type / Code
Power Rating
(Watts) @ 70°C
0.5W
1W
2W
3W
5W
0.5W
1W
2W
3W
5W
Maximum
Working
Voltage*
250V
350V
350V
500V
750V
250V
350V
350V
500V
750V
Maximum
Pulse
Voltage
500V
700V
700V
800V
1,000V
500V
700V
700V
800V
1,000V
Dielectric
Withstanding
Voltage
600V
600V
600V
600V
1,000V
350V
500V
500V
500V
800V
Resistance
Temperature
Coefficient
±200 ppm/°C
±200 ppm/°C
±200 ppm/°C
±300 ppm/°C
±300 ppm/°C
±200 ppm/°C
±200 ppm/°C
±200 ppm/°C
±200 ppm/°C
±300 ppm/°C
Ohmic Range and Tolerance
1%
0.1Ω – 150KΩ
0.1Ω – 100KΩ
0.1Ω – 120KΩ
10Ω – 510KΩ
1Ω – 510KΩ
0.1Ω – 1MΩ
0.1Ω – 75KΩ
0.1Ω – 100KΩ
0.1Ω – 118KΩ
1Ω – 510KΩ
5%
0.1Ω – 1MΩ
0.1Ω – 1MΩ
0.1Ω – 1MΩ
10Ω – 510KΩ
1Ω – 510KΩ
0.1Ω – 510KΩ
0.1Ω – 510KΩ
0.1Ω – 510KΩ
0.1Ω – 510KΩ
1Ω – 510KΩ
RS 1/2
RS 1
RS 2
RS 3
RS 5
RSM 1/2
RSM 1
RSM 2
RSM 3
RSM 5
* Lesser of
√PR
or maximum working voltage.
How to Order
RS
SEI Type
1/2
Code
0.47
Nominal Resistance
5%
Tolerance
R
Packaging
Type
RS
RSM
RSF
RSMF
Description
EIA Standard
Mini
Standard RoHS
Mini RoHS
Code Wattage
1/2
1
2
3
5
1/2W
1W
2W
3W
5W
Tolerance Values
1%
2%
5%
E96
E24
E24
SEI Types
RSM 1/2
RS 1/2, RSM 1,
RS 1, RSM 2
RS 2, RSM 3
RS 3, RSM 5
RSM 1/2
RS 1/2, RSM 1
RS 1, RS 2, RSM 2, RSM 3
RS 3, RSM 5
All
Pkg Qty
5,000
2,500
1,000
500
5,000
2,000
1,000
500
1,000
Description
Code
Tape
R
Ammo
T
Bulk
A
Toll Free: (888) SEI-SEIS
(888) 734-7347
www.seielect.com
49
email: marketing@seielect.com
Rev 07/08
RS / RSM Series — General Purpose Metal Oxide Resistors
Mechanical Specifications
Type / Code
RS 1/2
RS 1
RS 2
RS 3
RS 5
RSM 1/2
RSM 1
RSM 2
RSM 3
RSM 5
A
Body Length
0.35 ± 0.04
9.0 ± 1.0
0.43 ± 0.04
11.0 ± 1.0
0.59 ± 0.04
15.0 ± 1.0
0.71 ± 0.08
17.5 ± 2.0
0.96 ± 0.08
24.5 ± 2.0
0.26 ± 0.02
6.5 ± 0.5
0.35 ± 0.04
9.0 ± 1.0
0.43 ± 0.04
11.0 ± 1.0
0.59 ± 0.04
15.0 ± 1.0
0.71 ± 0.08
17.5 ± 2.0
B
Body Diameter
0.14 ± 0.02
3.5 ± 0.5
0.18 ± 0.02
4.5 ± 0.5
0.20 ± 0.04
5.0 ± 1.0
0.26 ± 0.06
6.5 ± 1.5
0.34 ± 0.06
8.5 ± 1.5
0.09 ± 0.01
2.3 ± 0.2
0.14 ± 0.02
3.5 ± 0.5
0.18 ± 0.02
4.5 ± 0.5
0.20 ± 0.04
5.0 ± 1.0
0.26 ± 0.06
6.5 ± 1.5
C
Lead Length (Bulk)
1.10 ± 0.12
28.0 ± 3.0
1.18 ± 0.12
30.0 ± 3.0
1.18 ± 0.12
30.0 ± 3.0
1.38 ± 0.12
35.0 ± 3.0
1.38 ± 0.12
35.0 ± 3.0
1.10 ± 0.12
28.0 ± 3.0
1.10 ± 0.12
28.0 ± 3.0
1.18 ± 0.12
30.0 ± 3.0
1.18 ± 0.12
30.0 ± 3.0
1.38 ± 0.12
35.0 ± 3.0
D
Lead Diameter
0.024 ± 0.002
0.60 ± 0.05
0.028 ± 0.004
0.70 ± 0.10
0.028 ± 0.004
0.70 ± 0.10
0.031 ± 0.002
0.80 ± 0.05
0.031 ± 0.002
0.80 ± 0.05
0.020 ± 0.002
0.52 ± 0.05
0.024 ± 0.002
0.60 ± 0.05
0.028 ± 0.004
0.70 ± 0.10
0.028 ± 0.004
0.70 ± 0.10
0.031 ± 0.002
0.80 ± 0.05
Units
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
Performance Characteristics
Requirement
Test
Standard / Method
RSM series
Short Time Over Load
Biased Humidity
Dielectric Withstanding Voltage
Load Life
Load Life in Humidity
Temperature Cycling
Low Temperature Operation
Moisture Resistance
Resistance to Solder Heat
Terminal Strength
Vibration
JISC 5202 5.5
MIL-STD 202, Method 103
MIL-STD 202, Method 103
MIL-STD 202, Method 103
JISC 5202 7.9
JESD22 Method JA-104
MIL-STD 202, Method 103
MIL-STD 202, Method 103
MIL-STD 202, Method 210F
MIL-STD 202, Method 103
MIL-STD 202, Method 103
± 2.0%
± 1.5%
± 0.5%
± 2.0%
± 2.0%
± 1.0%
± 0.5%
± 0.5%
± 1.0%
± 0.2%
± 0.5%
RS series
± 1.0%
Operating Temperature Range : -55°C to +200°C (RS 1/2, RSM 1)
-55°C to +235°C (All others)
Toll Free: (888) SEI-SEIS
(888) 734-7347
www.seielect.com
50
email: marketing@seielect.com
Rev 07/08
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