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Please confirm technical specifications before you order and/or use.
RSF/RSMF Series
General Purpose Metal Oxide Resistor
Stackpole Electronics, I nc.
Resistive Product Solutions
Maximum Maximum Resistance
Type / Code Working Overload Temperature
Voltage (1) Voltage Coefficient
RSF12 0.5W 250V 400V 600V ±200 ppm/ºC 0.1 -150K 0.1 -75K 0.1 -1M
RSF1 1W 350V 600V 600V ±200 ppm/ºC 0.1 -100K 0.1 -100K 0.1 -1M
RSF2 2W 350V 600V 600V ±200 ppm/ºC 0.1 -120K 0.1 -120K 0.1 -1M
RSF3 3W 400V 700V 600V ±200 ppm/ºC 0.1 -470K 0.1 -560K 0.1 -1M
RSF5 5W 750V 1,000V 1,000V ±200 ppm/ºC 0.1 -470K 0.1 -560K 0.1 -1M
RSMF12 0.5W 250V 400V 350V ±200 ppm/ºC 0.1 -46.4K 0.1 -47K 0.1 -470K
RSMF1 1W 350V 600V 500V ±200 ppm/ºC 0.1 -75K 0.1 -75K 0.1 -470K
RSMF2 2W 350V 600V 500V ±200 ppm/ºC 0.1 -100K 0.1 -100K 0.1 -470K
RSMF3 3W 500V 800V 500V ±200 ppm/ºC 0.1 -118K 0.1 -120K 0.1 -470K
RSMF5 5W 750V 1,000V 750V ±200 ppm/ºC 0.1 -470K 0.1 -560K 0.1 -1M
(1) Lesser of √PR or maximum working voltage
Power Rating
(Watts)
@ 70ºC
Dielectric
Withstanding
Voltage
Ohmic Range (Ω) and Tolerance
1%
2%
5%
RSMF Series RSF Series
Short Time Over Load JISC 5202 5.5 ±2% ±1%
Humidity MIL-STD 202, Method 103
Dielectric Withstanding Voltage MIL-STD 202, Method 301
Load Life MIL-STD 202, Method 108
Load Life in Humidity JISC 5202 7.9
Temperature Cycling JESD22 Method JA-104
Moisture Resistance MIL-STD 202, Method 106
Resistance to Solder Heat MIL-STD 202, Method 210F
Terminal Strength MIL-STD 202, Method 211
Vibration MIL-STD 202, Method 201
Operating Temperature Range: -55ºC to +200ºC (RSF12, RSMF12, RSMF1)
-55ºC to +235ºC (All others)
±0.2%
±0.5%
±1%
±0.5%
±1%
±0.5%
±2%
±2%
Test
Standard / Method
Requirement
±1.5%
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
• Flameproof
• RoHS compliant / lead-free
Electrical Specifica tions
Performance Characteristics
Rev Date: 01/04/2013 2 www.seielect.com
This speci fication ma y be chang ed at a n y time witho ut pri or noti c e marketing@seielect.com
Please confirm technical specifications before you order and/or use.
RSF/RSMF Series
General Purpose Metal Oxide Resistor
Stackpole Electronics, I nc.
Resistive Product Solutions
Percent Rated Power (%)
Ambient Temperature (ºC)
150
200
250
300
25
0
50
100
100
75
50
235
70
RSF1
RSF2
RSF3
RSF5
RSMF2
RSMF3
RSMF5
RSF12
RSMF12
RSMF1
0.35 ±0.04 0.14 ±0.02 1.10 ±0.12 0.02 ±0.0004 inches
9.00 ±1.00 3.50 ±0.50 28.00 ±3.00 0.60 ±0.01 mm
0.43 ±0.04 0.18 ±0.02 1.10 ±0.20 0.03 ±0.004 inches
11.00 ±1.00 4.50 ±0.50 28.00 ±5.00 0.70 ±0.10 mm
0.59 ±0.04 0.20 ±0.04 1.34 ±0.16 0.03 ±0.004 inches
15.00 ±1.00 5.00 ±1.00 34.00 ±4.00 0.75 ±0.10 mm
0.69 ±0.08 0.26 ±0.02 1.38 ±0.12 0.03 ±0.002 inches
17.50 ±2.00 6.50 ±0.50 35.00 ±3.00 0.80 ±0.05 mm
0.96 ±0.08 0.33 ±0.02 1.38 ±0.12 0.03 ±0.002 inches
24.50 ±2.00 8.50 ±0.50 35.00 ±3.00 0.80 ±0.05 mm
0.26 ±0.02 0.09 ±0.01 1.10 ±0.12 0.02 ±0.003 inches
6.50 ±0.50 2.30 ±0.20 28.00 ±3.00 0.55 ±0.07 mm
0.35 ±0.04 0.13 ±0.02 1.10 ±0.12 0.03 ±0.0004 inches
9.00 ±1.00 3.20 ±0.60 28.00 ±3.00 0.65 ±0.01 mm
0.43 ±0.04 0.17 ±0.03 1.18 ±0.20 0.03 ±0.004 inches
11.00 ±1.00 4.20 ±0.80 30.00 ±5.00 0.75 ±0.10 mm
0.59 ±0.04 0.20 ±0.04 1.34 ±0.16 0.03 ±0.004 inches
15.00 ±1.00 5.00 ±1.00 34.00 ±4.00 0.75 ±0.10 mm
0.69 ±0.08 0.26 ±0.02 1.38 ±0.08 0.03 ±0.002 inches
17.50 ±2.00 6.50 ±0.50 35.00 ±2.00 0.80 ±0.05 mm
RSMF3
RSMF5
RSF5
RSMF12
RSMF1
RSMF2
RSF12
RSF1
RSF2
RSF3
D
Unit
Body Length
Body Diameter
Lead Length (Bulk)
Lead Diameter
Type / Code
A
B
C
Power Derating Curve:
Mechanic al Spec ificat ions
Rev Date: 01/04/2013 3 www.seielect.com
This speci fication ma y be chang ed at a n y time witho ut pri or noti c e marketing@seielect.com
Please confirm technical specifications before you order and/or use.
RSF/RSMF Series
General Purpose Metal Oxide Resistor
Stackpole Electronics, I nc.
Resistive Product Solutions
123 4 56 7 8910 11
RS F 1 2 J T R 4 7 0
Size
RSF 12 Code Tol Value Code Quantity
RSMF 1 F 1% E96 5,000
PRSF(1) 2 G 2%
3 J 5%
5
500
5,000
2,000
1,000
B1,000
500
5W
0.5W
RSMF12
3W
1W
E24
RSF12, RSF1
RSMF1 , RSMF2
RSF2 , RSMF3
RSF3 , RSMF5
2W
Four char acters with
the multipli er used as
the dec imal holder .
0. 22 ohm = R220
Description
Size
Bulk
All Sizes
RSF1, RSMF 2, RSMF3
( 1) For packagi ng infor mati on see
Radial Leaded Packaging S pec page
Metal Oxi de
Mini
Panasert
Product Series
Tolerance
Power
RSF2 , RSF3, RS F5 ,
RSMF5
A
Ammo
Packaging
Resistance V alue
RSMF12
10. 2 K ohm = 10K2
33. 2 ohm = 33R2
RSF1 2; RS M F1
1 Mohm = 1M00
T
Tape and Reel
RSF5
2,500
1,000
Nominal
Resistance
0.47
Type Description Code Wattage Tolerance Values Types Qty Description Code
RSF Metal Oxide 1/2 0.5W 1% E96 RSMF12 5,000
RSMF Mini 11W 2% E24
PRSF (1) Panasert 22W 5% E24
33W RSF2 , RSMF 3
55W RSF3 , RSMF 5
RSF5 500
RSMF12 5,000
( 1) For packagi ng informati on see Radial Leaded Packaging S pec page
RSF1 2, RSMF1 2,000
RSF1, RSMF2 , RSMF3 1,000
All 1,000 Bulk A
RS
SEI Type
Code
1/2
Tolerance
5%
Packaging
R
Tape and Reel
R
RSF2 , RSF 3, RS F5 ,
RSMF5
500
Ammo
T
2,500
RSF 12, RSMF1, RSF1,
RSMF2
1,000
Legacy Part Number (before January 3, 2011):
How to Order
