RS / RSM Series — General Purpose Metal Oxide Resistors
Features
• Lower-cost alternative to Carbon Comps and Wirewounds
• Flameproof – meets overload test of UL #1412
• Meets solvent test of Mil Standard 202, Method 215
• Cut and formed product is available on select sizes; contact factory for details
• Coating meets UL 94V-0
• 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
400V
600V
600V
800V
1,000V
400V
600V
600V
800V
1,000V
Dielectric
Withstanding
Voltage
600V
600V
600V
800V
800V
350V
500V
500V
600V
1,000V
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 – 1MΩ
1Ω – 510KΩ
0.1Ω – 47KΩ
0.1Ω – 75KΩ
0.1Ω – 100KΩ
0.1Ω – 118KΩ
1Ω – 510KΩ
5%
0.1Ω – 1MΩ
0.1Ω – 1MΩ
0.1Ω – 1MΩ
1Ω – 1MΩ
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
1/2
1
2
3
5
Tolerance Values
1%
5%
E96
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
2,500
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 02/08
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
0.24 ± 0.02
6.0 ± 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
0.96 ± 0.08
24.5 ± 2.0
B
Body Diameter
0.12 ± 0.02
3.0 ± 0.5
0.16 ± 0.02
4.0 ± 0.5
0.22 ± 0.04
5.5 ± 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
0.12 ± 0.02
3.0 ± 0.5
0.16 ± 0.02
4.0 ± 0.5
0.22 ± 0.04
5.5 ± 1.0
0.34 ± 0.06
8.5 ± 1.5
C
Lead Length (Bulk)
1.10 ± 0.08
28.0 ± 2.0
1.10 ± 0.08
28.0 ± 2.0
1.38 ± 0.12
35.0 ± 3.0
1.38 ± 0.12
35.0 ± 3.0
1.38 ± 0.12
35.0 ± 3.0
1.10 ± 0.08
28.0 ± 2.0
1.10 ± 0.08
28.0 ± 2.0
1.10 ± 0.08
28.0 ± 2.0
1.38 ± 0.12
35.0 ± 3.0
1.38 ± 0.12
35.0 ± 3.0
D
Lead Diameter
0.028 ± 0.002
0.70 ± 0.05
0.031 ± 0.002
0.80 ± 0.05
0.031 ± 0.002
0.80 ± 0.05
0.031 ± 0.002
0.80 ± 0.05
0.031 ± 0.002
0.80 ± 0.05
0.024 ± 0.002
0.60 ± 0.05
0.028 ± 0.002
0.70 ± 0.05
0.031 ± 0.002
0.80 ± 0.05
0.031 ± 0.002
0.80 ± 0.05
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
Test
Biased Humidity
Resistance to Solder Heat
Dielectric Withstanding Voltage
Load Life
Short Time Over Load
Terminal Strength
Temperature Cycling
Moisture Resistance
Vibration
Low Temperature Operation
Standard / Method
MIL-STD 202, Method 103
MIL-STD 202, Method 210F
MIL-STD 202, Method 103
MIL-STD 202, Method 103
JISC 5202 5.5
MIL-STD 202, Method 103
JESD22 Method JA-104
MIL-STD 202, Method 103
MIL-STD 202, Method 103
MIL-STD 202, Method 103
Requirement
± 1.5%
± 0.5%
± 0.5%
± 1.0%
± 0.5%
± 0.2%
± 1.0%
± 0.5%
± 0.5%
± 0.5%
Operating Temperature Range : -55°C to +130°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 02/08
