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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 350V ±200 ppm/ºC 0.1 -150K 0.1 -75K
RSF1 1W 350V 600V 600V ±200 ppm/ºC
RSF2 2W 350V 600V 600V ±200 ppm/ºC
RSF3 3W 800V 1,000V 750V ±200 ppm/ºC
RSF5 5W 1,000V 1,000V 750V ±200 ppm/ºC
RSMF12 0.5W 250V 400V 350V ± 200 ppm/ºC 0.1 -46.4K 0.1 -47K
RSMF1 1W 350V 600V 500V ±200 ppm/ºC
RSMF2 2W 350V 600V 500V ±200 ppm/ºC
RSMF3 3W 500V 800V 600V ±200 ppm/ºC 0.1 -118K 0.1 -120K
RSMF5 5W 1,000V 1,000V 750V ±200 ppm/ºC 0.1 -470K 0.1 -560K 0.1 -1M
(1) Less er of √PR or maximum work ing voltage
0.1 - 470K
0.1 - 470K
0.1 - 470K
0.1 - 560K
0.1 - 560K
0.1 - 100K
0.1 - 120K
0.1 - 75K
0.1 - 100K
0.1 - 1M
0.1 - 1M
0.1 - 1M
0.1 - 1M
0.1 - 1M
0.1 - 470K
0.1 - 470K
0.1 - 470K
Power Rat ing
(Watts)
@ 70ºC
Dielectric
Withstanding
Voltage
1%
2%
Ohmic Range ( Ω) and Tolerance
5%
180
200
220
Percent Rated Power (%)
100
-55ºC
70ºC
80
60
40
20
240
235
Ambient Temperatu re (ºC)
-60
0
20
40
60
80
100
120
140
160
RSMF2, RSMF3, RSMF5
RSF12
RSMF12, RSMF1
Features:
Power Derating Curve:
• 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 and halogen free
Electrical Specifica tions
Rev Date: 02/08/2018 2 www.seielect.com
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RSF/RSMF Series
General Purpose Metal Oxide Resistor
Stackpole Electronics, I nc.
Resistive Product Solutions
0.35 ±0.04 0.13 ±0.03 1.10 ±0.12 0.03 ±0.003 0.250 inches
9.00 ±1.00 3.20 ±0.80 28.00 ±3.00 0.70 ±0.08 6.35 mm
0.43 ±0.06 0.18 ±0.04 1.10 ±0.20 0.03 ±0.002 0.250 inches
11.00 ±1.50 4.50 ±1.00 28.00 ±5.00 0.80 ±0.05 6.35 mm
0.59 ±0.06 0.22 ±0.04 1.18 ±0.20 0.03 ±0.004 0.250 inches
15.00 ±1.50 5.50 ±1.00 30.00 ±5.00 0.75 ±0.10 6.35 mm
0.69 ±0.04 0.24 ±0.02 1.38 ±0.12 0.03 ±0.002 0.250 inches
17.50 ±1.00 6.00 ±0.50 35.00 ±3.00 0.80 ±0.05 6.35 mm
0.96 ±0.04 0.31 ±0.02 1.38 ±0.12 0.03 ±0.002 0.250 inches
24.50 ±1.00 8.00 ±0.50 35.00 ±3.00 0.80 ±0.05 6.35 mm
0.24 ±0.03 0.09 ±0.01 1.10 ±0.12 0.02 ±0.003 0.250 inches
6.00 ±0.80 2.30 ±0.30 28.00 ±3.00 0.55 ±0.07 6.35 mm
0.35 ±0.04 0.13 ±0.03 1.10 ±0.12 0.03 ±0.003 0.250 inches
9.00 ±1.00 3.20 ±0.80 28.00 ±3.00 0.70 ±0.08 6.35 mm
0.43 ±0.06 0.18 ±0.04 1.18 ±0.20 0.03 ±0.002 0.250 inches
11.00 ±1.50 4.50 ±1.00 30.00 ±5.00 0.80 ±0.05 6.35 mm
0.59 ±0.06 0.22 ±0.04 1.18 ±0.20 0.03 ±0.004 0.250 inches
15.00 ±1.50 5.50 ±1.00 30.00 ±5.00 0.75 ±0.10 6.35 mm
0.69 ±0.04 0.24 ±0.02 1.38 ±0.08 0.03 ±0.002 0.250 inches
17.50 ±1.00 6.00 ±0.50 35.00 ±2.00 0.80 ±0.05 6.35 mm
RSF12
RSF1
RSF2
RSF3
RSMF3
RSMF5
RSF5
RSMF12
RSMF1
RSMF2
Type / Code
A
B
C
D
Unit
Body Lengt h
Body Diameter
Lead Lengt h (Bulk)
Lead Diameter
Lead-Tape
Specification
Performance Characteristics
Mechanic al Spec ifications
Test Test M et hod Ty pic a l Re s ults
Insulation R es istance
JI S C5201-1, I EC60115-1, 4. 6 ≥ 1GΩ
Voltage Proof
JI S C5201-1, I EC60115-1, 4. 7 ≤ ± ( 0.5% + 0. 05Ω)No mechanical damage. <± 0. 25%
Shor t Time Overload JI S C5201-1, I EC60115-1, 4. 13 <± 0.1%
Resistance to Solder Heat JI S C5201-1, I EC60115-1, 4. 18 <± 1.0%
Endurance at 70°CJI S C5201-1, I EC60115-1, 4.25. 1 <± 2.0%
Robust ness of Terminat ions JI S C5201-1, I EC60115-1, 4. 16 <± 0.10%
Damp Heat ( Steady st at e) JIS C5201-1, I EC60115-1, 4. 24 <± 1.5%
Rapid Change of Temperat ure JI S C5201-1, I EC60115-1, 4. 19 <± 0.2%
Resistance to Solvent s JI S C5201-1, I EC60115-1, 4. 29 Pass
Intermittent Overload JI S C5201-1, I EC60115-1, 4. 39 <± 0.3%
Accident al Overload (Flame res istance) JI S C5201-1, I EC60115-1, 4. 26 Pass
Oper ating Temperat ure Range:
Test Specif ication
≥ 1GΩ
≤ ± ( 0.75% + 0. 05Ω)
≤ ± (2.0% + 0.05Ω)
≤± ( 5. 0% + 0. 05Ω)
-55ºC to + 200ºC (RSF12, RSMF12, RSMF1)
-55ºC to + 235ºC (All others)
≤ ± (1.0% + 0.05Ω)
≤± ( 5% + 0. 05Ω)
≤± ( 1% + 0. 05Ω)
No damage to component or removal of marking.
≤± ( 2% + 0. 05Ω)
No f laming of gauze.
Rev Date: 02/08/2018 3 www.seielect.com
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RSF/RSMF Series
General Purpose Metal Oxide Resistor
Stackpole Electronics, I nc.
Resistive Product Solutions
Reeled in accordance with EIA-296-F
Packaging Specifications
Series Code A max.(1) B max Tape Unit
2.736 13.504
0.197 ±0.020 2.063 ±0.079 0.250 inches
69.50
343.00 5.00 ±0.50 52.40 ±2.00 6.35 mm
2.815 13.504
0.197 ±0.020 2.063 ±0.079 0.250 inches
71.50
343.00 5.00 ±0.50 52.40 ±2.00 6.35 mm
3.524 13.504
0.394 ±0.020 2.500 ±0.079 0.250 inches
89.50
343.00 10.00 ±0.50 63.50 ±2.00 6.35 mm
3.740 12.008
0.394 ±0.020 2.874 ±0.079 0.250 inches
95.00
305.00 10.00 ±0.50 73.00 ±2.00 6.35 mm
4.331 12.008
0.394 ±0.020 3.465 ±0.079 0.250 inches
110.00
305.00 10.00 ±0.50 88.00 ±2.00 6.35 mm
2.618 13.504
0.197 ±0.020 2.063 ±0.079 0.250 inches
66.50
343.00 5.00 ±0.50 52.40 ±2.00 6.35 mm
2.736 13.504
0.197 ±0.020 2.063 ±0.079 0.250 inches
69.50
343.00 5.00 ±0.50 52.40 ±2.00 6.35 mm
2.815 13.504
0.197 ±0.020 2.063 ±0.079 0.250 inches
71.50
343.00 5.00 ±0.50 52.40 ±2.00 6.35 mm
3.524 13.504
0.394 ±0.020 2.500 ±0.079 0.250 inches
89.50
343.00 10.00 ±0.50 63.50 ±2.00 6.35 mm
3.740 12.008
0.394 ±0.020 2.874 ±0.079 0.250 inches
95.00
305.00 10.00 ±0.50 73.00 ±2.00 6.35 mm
RSMF
12
1
2
3
5
C
D(2)
RSF
12
1
2
3
5
(1)
(2)
Dimension "E":
This is a non-crit ical dimension t hat does not have a toler ance in t he st andard.
Range of diameters is f r om 0.547 inc hes (13.90 mm) to 1. 500 inches ( 38. 10 mm).
Refer ence value only. The "A" dimension s hall be governed by the overall length of t he taped component.
The dist ance bet w een flanges shall be 0. 059 inches (1. 50 mm) t o 0.315 ( 8. 00 mm) great er than the overall component .
The given dimension "D" expr ess es t he standard widt h spacing. A 26mm narrow s pacing is available as opt ion "N" packaging code.
Rev Date: 02/08/2018 4 www.seielect.com
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RSF/RSMF Series
General Purpose Metal Oxide Resistor
Stackpole Electronics, I nc.
Resistive Product Solutions
10,000
1,000
100
10
1
1
1μ
10μ
100μ
1m
10m
100m
Pulse Width (sec.)
Pulse Power (W atts)
48
32
16
8
RSMF3
RSMF2
RSMF1
RSMF12
110
66
37
18
250
135
84
42
560
270
190
95
1,300
560
440
215
1,300
560
440
215
1,300
560
440
215
10,000
1,000
100
10
1
1
1μ
10μ
100μ
1m
10m
100m
Pulse Width (sec.)
Pulse Power (W atts)
48
32
16
8
RSMF3
RSMF2
RSMF1
RSMF12
1,500
1,000
700
400
1,500
1,000
700
400
1,500
1,000
700
400
800
420
300
150
300
180
115
56
130
76
43
21
RSF
General Purpose M etal O xide
Leaded Resistor
Axial YES
99.3/0. 7 Sn/ Cu
100% M at t e Sn
Apr- 05 ( Japan)
Jan- 04 (Taiw an, China)
05/14
04/01
RSMF
Mini- M et al O xide Leaded Resist or Axial YES
99.3/0. 7 Sn/ Cu
100% M at t e Sn
Apr- 05 ( Japan)
Jan- 04 (Taiw an, China)
05/14
04/01
Lead-Fr ee
Mfg. Effective Date
(St d Product Series)
Lead-Fr ee
Eff ective Date
Code
(YY/WW)
Standard
Product
Series
Description
Package /
Termination
Type
Standard
Series
RoHS
Compliant
Lead-Fr ee Ter mination
Composition
RoHS Comp liance
Stackpole Electronics has joined the worldwide effort to reduce the amount of lead in electronic components and to
meet t he vari ous r egu lat or y r equirements now preva lent , suc h as the Euro pean Unio n’s d irec ti ve reg ar ding “Res tric tio ns
on Hazardous Substances” (RoHS 2). As part of this ongoing program, we periodicall y update this docum ent with the
status regarding the availability of our compliant components. All our standard part numbers are compliant to EU
Directive 2011/65/EU of the European Parliament.
Pulse Limiting Power (one pulse) / RSMF Series ≤ 5Ω
Pulse Limiting Power (one pulse) / RSMF Series ≥ 5Ω
RoHS Compliance Status
Rev Date: 02/08/2018 5 www.seielect.com
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RSF/RSMF Series
General Purpose Metal Oxide Resistor
Stackpole Electronics, I nc.
Resistive Product Solutions
1234567 8 9 10 11
R S F 1 2 J T R 470
“Conflict Metals” Commit ment
W e at Stack pole Elec tronics, Inc . ar e j oined wit h our i n dus tr y in opp os ing t he use of metals m ined in the “c on f lict r egion”
of the Eas tern Dem ocratic Repu blic of the C ongo (DRC) in o ur products . Recognizin g that the suppl y chain f or met als
used in th e electronics industr y is very com plex, we work closely with our o wn suppliers to verify to the extent possible
that the materials and products we supply do not contain metals sourced from this conflict region. As such, we are in
compliance with the requirements of Dodd-Frank Act regarding Conflict Minerals.
Comp lian c e to “REACH”
We certify that all passive components supplied by Stackpole Electronics, Inc. are SVHC (Substances of Very High
Concern) free and compliant with the requirements of EU Directive 1907/2006/EC, “The Registration, Evaluation,
Authorization and Restriction of Chemicals”, otherwise referred to as REACH. Contact us for complete list of REACH
Substance Candidate List.
Environmental Policy
It is the policy of Stackpole Electronics, Inc. (SEI) to protect the environment in all localities in which we operate. We
continually strive to improve our effect on the environment. We observe all applicable laws and regulations regarding
the protection of our environment and all requests related to the environment to which we have agreed. We are
committed to the prevention of all forms of pollution.
How to Order
Size
RSF 12 Code Tol Value Code Quantity
RSMF 1 F 1% E96 5,000
PRSF
(1)
2G2%
PRSM
(1)
3 J 5%
5
2,000
1,000
1,000
T500
5,000
2,000
500
B1,000
5W
0.5W
RSMF 12 , PRSM1 2
3W
1W
E24
RSF12, RSF1
RSM F1 , RSM F2
2W
Four charact er s w it h
the multiplier us ed as
the decimal holder .
0.22 ohm = R220
Description
Size
Product Series
Tolerance
Power
Bulk
All Sizes
(1) For packaging inf or mation,
see Radial Leaded Packaging Spec page
Met al O xide
Mini
Panasert
Panaser t M ini
A
Ammo
RSF1, RSF2, RSM F2 ,
PRSF1, PRSM2, RSMF3
1,000
RSF3, RSF5, RSM F5
T
Tape and Reel
Tape and Reel
Resistance Value
RSMF12
10.2 Kohm = 10K2
33.2 ohm = 33R2
RSF12; RSM F 1, PRSM1 2
1 Mohm = 1M 00
PRSF1, PRSM2
RSF3, RSM F5
2,500
RSF2, RSM F3
RSF5
Packaging