RSF/RSMF Series
General Purpose Metal Oxide Resistor
Features:
•
•
•
•
•
•
•
Stackpole Electronics, Inc.
Resistive Product Solutions
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 Specifications
Type / Code
RSF12
RSF1
RSF2
RSF3
RSF5
RSMF12
RSMF1
RSMF2
RSMF3
RSMF5
Power Rating
(Watts)
@ 70ºC
0.5W
1W
2W
3W
5W
0.5W
1W
2W
3W
5W
Maximum
Working
Voltage (1)
250V
350V
350V
400V
750V
250V
350V
350V
500V
750V
Maximum
Overload
Voltage
400V
600V
600V
700V
1,000V
400V
600V
600V
800V
1,000V
Dielectric
Withstanding
Voltage
600V
600V
600V
600V
1,000V
350V
500V
500V
500V
750V
Resistance
Temperature
Coefficient
±200 ppm/ºC
±200 ppm/ºC
±200 ppm/ºC
±200 ppm/ºC
±200 ppm/ºC
±200 ppm/ºC
±200 ppm/ºC
±200 ppm/ºC
±200 ppm/ºC
±200 ppm/ºC
Ohmic Range (Ω) and Tolerance
1%
0.1 - 150K
0.1 - 100K
0.1 - 120K
0.1 - 470K
0.1 - 470K
0.1 - 46.4K
0.1 - 75K
0.1 - 100K
0.1 - 118K
0.1 - 470K
2%
0.1 - 75K
0.1 - 100K
0.1 - 120K
0.1 - 560K
0.1 - 560K
0.1 - 47K
0.1 - 75K
0.1 - 100K
0.1 - 120K
0.1 - 560K
5%
0.1 - 1M
0.1 - 1M
0.1 - 1M
0.1 - 1M
0.1 - 1M
0.1 - 470K
0.1 - 470K
0.1 - 470K
0.1 - 470K
0.1 - 1M
(1) Lesser of √PR or maximum working voltage
Performance Characteristics
Test
Short Time Over Load
Humidity
Dielectric Withstanding Voltage
Load Life
Load Life in Humidity
Temperature Cycling
Moisture Resistance
Resistance to Solder Heat
Terminal Strength
Vibration
Standard / Method
JISC 5202 5.5
MIL-STD 202, Method 103
MIL-STD 202, Method 301
MIL-STD 202, Method 108
JISC 5202 7.9
JESD22 Method JA-104
MIL-STD 202, Method 106
MIL-STD 202, Method 210F
MIL-STD 202, Method 211
MIL-STD 202, Method 201
Requirement
RSMF Series
RSF Series
±2%
±1%
±1.5%
±0.5%
±2%
±2%
±1%
±0.5%
±1%
±0.2%
±0.5%
Operating Temperature Range: -55ºC to +200ºC (RSF12, RSMF12, RSMF1)
-55ºC to +235ºC (All others)
Rev Date: 01/04/2013
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
1
www.seielect.com
marketing@seielect.com
RSF/RSMF Series
General Purpose Metal Oxide Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
Mechanical Specifications
Type / Code
RSF12
RSF1
RSF2
RSF3
RSF5
RSMF12
RSMF1
RSMF2
RSMF3
RSMF5
A
Body Length
0.35 ± 0.04
9.00 ± 1.00
0.43 ± 0.04
11.00 ± 1.00
0.59 ± 0.04
15.00 ± 1.00
0.69 ± 0.08
17.50 ± 2.00
0.96 ± 0.08
24.50 ± 2.00
0.26 ± 0.02
6.50 ± 0.50
0.35 ± 0.04
9.00 ± 1.00
0.43 ± 0.04
11.00 ± 1.00
0.59 ± 0.04
15.00 ± 1.00
0.69 ± 0.08
17.50 ± 2.00
B
Body Diameter
0.14 ± 0.02
3.50 ± 0.50
0.18 ± 0.02
4.50 ± 0.50
0.20 ± 0.04
5.00 ± 1.00
0.26 ± 0.02
6.50 ± 0.50
0.33 ± 0.02
8.50 ± 0.50
0.09 ± 0.01
2.30 ± 0.20
0.13 ± 0.02
3.20 ± 0.60
0.17 ± 0.03
4.20 ± 0.80
0.20 ± 0.04
5.00 ± 1.00
0.26 ± 0.02
6.50 ± 0.50
C
Lead Length (Bulk)
1.10 ± 0.12
28.00 ± 3.00
1.10 ± 0.20
28.00 ± 5.00
1.34 ± 0.16
34.00 ± 4.00
1.38 ± 0.12
35.00 ± 3.00
1.38 ± 0.12
35.00 ± 3.00
1.10 ± 0.12
28.00 ± 3.00
1.10 ± 0.12
28.00 ± 3.00
1.18 ± 0.20
30.00 ± 5.00
1.34 ± 0.16
34.00 ± 4.00
1.38 ± 0.08
35.00 ± 2.00
D
Lead Diameter
0.02 ± 0.0004
0.60 ± 0.01
0.03 ± 0.004
0.70 ± 0.10
0.03 ± 0.004
0.75 ± 0.10
0.03 ± 0.002
0.80 ± 0.05
0.03 ± 0.002
0.80 ± 0.05
0.02 ± 0.003
0.55 ± 0.07
0.03 ± 0.0004
0.65 ± 0.01
0.03 ± 0.004
0.75 ± 0.10
0.03 ± 0.004
0.75 ± 0.10
0.03 ± 0.002
0.80 ± 0.05
Unit
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
Power Derating Curve:
100
Percent Rated Power (%)
RSF1
RSF2
RSF3
RSF5
RSMF2
RSMF3
RSMF5
75
50
RSF12
RSMF12
RSMF1
25
0
50
70
100
150
200
235
250
300
Ambient Temperature (ºC)
Rev Date: 01/04/2013
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
2
www.seielect.com
marketing@seielect.com
RSF/RSMF Series
General Purpose Metal Oxide Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
How to Order
1
2
3
4
5
6
7
8
9
10
11
R
S
F
1
2
J
T
R
4
7
0
Product Series
RSF
Metal Oxide
RSMF
Mini
PRSF(1)
Panasert
Size
12
1
2
3
5
Power
0.5W
1W
2W
3W
5W
Tolerance
Code Tol
Value
F
1%
E96
G
2%
E24
J
5%
(1) For packaging information see
Radial Leaded Packaging Spec page
Packaging
Code
Description
Size
Quantity
RSMF12
5,000
RSF12, RSF1
2,500
RSMF1, RSMF2
T
Tape and Reel
RSF2, RSMF3
1,000
RSF3, RSMF5
500
RSF5
RSMF12
5,000
RSF12; RSMF1
2,000
A
Ammo
RSF1, RSMF2, RSMF3 1,000
RSF2, RSF3, RSF5,
500
RSMF5
B
Bulk
All Sizes
1,000
Resistance Value
Four characters with
the multiplier used as
the decimal holder.
0.22 ohm = R220
33.2 ohm = 33R2
10.2 Kohm = 10K2
1 Mohm = 1M00
Legacy Part Number (before January 3, 2011):
SEI Type
Code
Nominal
Resistance
Tolerance
Packaging
RS
Type
RSF
RSMF
PRSF (1)
Description
Metal Oxide
Mini
Panasert
1/2
Code Wattage
1/2
0.5W
1
1W
2
2W
3
3W
5
5W
0.47
5%
Tolerance Values
1%
E96
2%
E24
5%
E24
Types
RSMF12
RSF12, RSMF1, RSF1,
RSMF2
RSF2, RSMF3
RSF3, RSMF5
RSF5
RSMF12
RSF12, RSMF1
RSF1, RSMF2, RSMF3
RSF2, RSF3, RSF5,
RSMF5
All
R
Qty
5,000
2,500
Tape and Reel
1,000
500
5,000
2,000
1,000
500
1,000
Bulk
A
R
Description
Code
(1) For packaging information see Radial Leaded Packaging Spec page
Ammo
T
Rev Date: 01/04/2013
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
3
www.seielect.com
marketing@seielect.com
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