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 and halogen free
Electrical Specifications
Maximum
Maximum
Type / Code
Working
Overload
(1)
Voltage (V)
Voltage (V)
RSF12
0.5
250
400
RSF1
1
350
600
RSF2
2
350
600
RSF3
3
800
1000
RSF5
5
1000
1000
RSMF12
0.5
250
400
RSMF1
1
350
600
RSMF2
2
350
600
RSMF3
3
500
800
RSMF5
5
1000
1000
(1) Lesser of √P*R or maximum working voltage
Power Rating
(W) @ 70 ºC
Dielectric
Withstanding
Voltage (V)
350
600
600
750
750
350
500
500
600
750
TCR (ppm/ºC)
± 200
± 200
± 200
± 200
± 200
± 200
± 200
± 200
± 200
± 200
Ohmic Range (Ω) and Tolerance
1%
2%
0.1 - 150 K
0.1 - 75 K
0.1 - 100 K
0.1 - 120 K
0.1 - 470 K
0.1 - 560 K
0.1 - 470 K
0.1 - 560 K
0.1 - 46.4 K
0.1 - 47 K
0.1 - 75 K
0.1 - 100 K
0.1 - 118 K
0.1 - 120 K
0.1 - 470 K
0.1 - 560 K
5%
0.1 - 1 M
0.1 - 1 M
0.1 - 1 M
0.1 - 1 M
0.1 - 1 M
0.1 - 470 K
0.1 - 470 K
0.1 - 470 K
0.1 - 470 K
0.1 - 1 M
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 ± 0.06
11.00 ± 1.50
0.59 ± 0.06
15.00 ± 1.50
0.69 ± 0.04
17.50 ± 1.00
0.96 ± 0.04
24.50 ± 1.00
0.24 ± 0.03
6.00 ± 0.80
0.35 ± 0.04
9.00 ± 1.00
0.43 ± 0.06
11.00 ± 1.50
0.59 ± 0.06
15.00 ± 1.50
0.69 ± 0.04
17.50 ± 1.00
B
Body Diameter
0.13 ± 0.03
3.20 ± 0.80
0.18 ± 0.04
4.50 ± 1.00
0.22 ± 0.04
5.50 ± 1.00
0.24 ± 0.02
6.00 ± 0.50
0.31 ± 0.02
8.00 ± 0.50
0.09 ± 0.01
2.30 ± 0.30
0.13 ± 0.03
3.20 ± 0.80
0.18 ± 0.04
4.50 ± 1.00
0.22 ± 0.04
5.50 ± 1.00
0.24 ± 0.02
6.00 ± 0.50
C
Lead Length (Bulk)
1.10 ± 0.12
28.00 ± 3.00
1.10 ± 0.20
28.00 ± 5.00
1.18 ± 0.20
30.00 ± 5.00
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
1.18 ± 0.20
30.00 ± 5.00
1.38 ± 0.08
35.00 ± 2.00
D
Lead Diameter
0.03 ± 0.003
0.70 ± 0.08
0.03 ± 0.002
0.80 ± 0.05
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 ± 0.003
0.70 ± 0.08
0.03 ± 0.002
0.80 ± 0.05
0.03 ± 0.004
0.75 ± 0.10
0.03 ± 0.002
0.80 ± 0.05
Lead-Tape
Specification
0.250
6.35
0.250
6.35
0.250
6.35
0.250
6.35
0.250
6.35
0.250
6.35
0.250
6.35
0.250
6.35
0.250
6.35
0.250
6.35
Unit
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
Rev Date: 08/24/2020
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
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RSF / RSMF Series
General Purpose Metal Oxide Resistor
Power Derating Curve:
Percent Rated Power (%)
Stackpole Electronics, Inc.
Resistive Product Solutions
100
80
-55 ºC
70 ºC
RSF1, RSF2, RSF3, RSF5
RSMF2, RSMF3, RSMF5
60
RSF12
RSMF12, RSMF1
40
20
0
-60
235
0
20
40
60
80
100
120
140
160
180
200
220
240
Ambient Temperature (ºC)
Surface Temperature Rise
Surface Temp. Rise (°C)
120
RSF2
RSF1
100
80
60
40
20
0
0
20
40
60
Power Rating (%)
80
100
RSF12
200
180
160
140
120
100
80
60
40
20
0
0
20
40
60
Power Rating (%)
80
100
RSMF3
RSMF2
RSMF1
RSMF12
Surface Temp. Rise (°C)
Performance Characteristics
Test
Test Method
Test Specification
Insulation Resistance
JIS C5201-1, IEC60115-1, 4.6
≥
1G
Ω
Voltage Proof
JIS C5201-1, IEC60115-1, 4.7
≤
± (0.5% + 0.05
Ω)
No mechanical damage.
Short Time Overload
JIS C5201-1, IEC60115-1, 4.13
≤
± (0.75% + 0.05
Ω)
Resistance to Solder Heat
JIS C5201-1, IEC60115-1, 4.18
≤ ± (2.0% + 0.05 Ω)
Endurance at 70
°C
JIS C5201-1, IEC60115-1, 4.25.1
≤±
(5.0% + 0.05
Ω)
Robustness of Terminations
JIS C5201-1, IEC60115-1, 4.16
≤ ± (1.0% + 0.05 Ω)
≤±
(5% + 0.05
Ω)
Damp Heat (Steady state)
JIS C5201-1, IEC60115-1, 4.24
≤±
(1% + 0.05
Ω)
Rapid Change of Temperature
JIS C5201-1, IEC60115-1, 4.19
Resistance to Solvents
JIS C5201-1, IEC60115-1, 4.29
No damage to component or removal of marking.
≤±
(2% + 0.05
Ω)
Intermittent Overload
JIS C5201-1, IEC60115-1, 4.39
Accidental Overload (Flame resistance)
JIS C5201-1, IEC60115-1, 4.26
No flaming of gauze.
Operating temperature range is -55 ºC to +200 ºC (RSF12, RSMF12, RSMF1)
-55 ºC to +235 ºC (all others)
Typical Results
≥1GΩ
<
±
0.25%
<
±
0.1%
< ± 1.0%
< ± 2.0%
< ± 0.10%
< ± 1.5%
< ± 0.2%
Pass
< ± 0.3%
Pass
Repetitive Pulse Information:
If repetitive pulses are applied to resistors, pulse wave form must be less than “pulse limiting voltage”, “pulse limiting
current” or “pulse limiting wattage” calculated by the formula below.
Vp
lp
Pp
=
=
=
K√PxRxT/t
K√P/RxT/t
K
2
x P x T / t
Rev Date: 08/24/2020
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
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RSF / RSMF Series
General Purpose Metal Oxide Resistor
Where: Vp:
lp:
Pp:
P:
R:
T:
t:
K:
[Vr:
Note 1:
Note 2:
Note 3:
Note 4:
Pulse limiting voltage (V)
Pulse limiting current (A)
Pulse limiting wattage (W)
Power rating (W)
Nominal resistance (ohm)
Repetitive period (sec)
Pulse duration (sec)
Coefficient: 0.8
Rated Voltage (V), Ir: Rated Current (A)]
Stackpole Electronics, Inc.
Resistive Product Solutions
Note 5:
Note 6:
If T > 10 → T = 10 (sec), T / t > 1000 → T / t = 1000
If T > 10 and T / t > 1000, “Pulse Limiting power (Single pulse) is applied
If Vp < Vr (lp < lr or Pp < P), Vr (lr, P) is Vp (lp, Pp)
Pulse limiting voltage (current, wattage) is applied at less than rated ambient temperature.
If ambient temperature is more than the rated temperature (70 °C), decrease power rating according to
“Power Derating Curve”
Assure sufficient margin for use period and conditions for “pulse limiting voltage”
If the pulse waveform is not square wave, judge after transform the waveform into square
wave according to the “Waveform Transformation to Square Wave”.
Waveform Transformation to Square Wave
1.
Discharge curve wave with time constant “t”
→
Square wave
2.
Damping oscillation wave with time constant of envelope “t”
→
Square wave
3.
Half-wave rectification wave
→
Square wave
Rev Date: 08/24/2020
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
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RSF / RSMF Series
General Purpose Metal Oxide Resistor
4.
Triangular wave
→
Square wave
Stackpole Electronics, Inc.
Resistive Product Solutions
5.
Special wave
→
Square wave
Packaging Specifications
Reeled in accordance with EIA-296-F
Type / Code
RSF12
RSF1
RSF2
RSF3
RSF5
Type / Code
RSFM12
RSFM1
RSFM2
RSFM3
RSFM5
A max
.(1)
2.736
69.50
2.815
71.50
3.524
89.50
3.740
95.00
4.331
110.00
A max
2.618
66.50
2.736
69.50
2.815
71.50
3.524
89.50
3.740
95.00
.(1)
B max
13.504
343.00
13.504
343.00
13.504
343.00
12.008
305.00
12.008
305.00
B max
13.504
343.00
13.504
343.00
13.504
343.00
13.504
343.00
12.008
305.00
C
0.197
5.00
0.197
5.00
0.394
10.00
0.394
10.00
0.394
10.00
0.197
5.00
0.197
5.00
0.197
5.00
0.394
10.00
0.394
10.00
±
±
±
±
±
±
±
±
±
±
C
±
±
±
±
±
±
±
±
±
±
0.020
0.50
0.020
0.50
0.020
0.50
0.020
0.50
0.020
0.50
0.020
0.50
0.020
0.50
0.020
0.50
0.020
0.50
0.020
0.50
D
(2)
2.063 ± 0.079
52.40 ± 2.00
2.063 ± 0.079
52.40 ± 2.00
2.500 ± 0.079
63.50 ± 2.00
2.874 ± 0.079
73.00 ± 2.00
3.465 ± 0.079
88.00 ± 2.00
D
2.063 ±
52.40 ±
2.063 ±
52.40 ±
2.063 ±
52.40 ±
2.500 ±
63.50 ±
2.874 ±
73.00 ±
(2)
0.079
2.00
0.079
2.00
0.079
2.00
0.079
2.00
0.079
2.00
Tape
0.250
6.35
0.250
6.35
0.250
6.35
0.250
6.35
0.250
6.35
Tape
0.250
6.35
0.250
6.35
0.250
6.35
0.250
6.35
0.250
6.35
Unit
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
Unit
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
Dimension "E":
This is a non-critical dimension that does not have a tolerance in the standard.
Range of diameters is from 0.547 inches (13.90 mm) to 1.500 inches (38.10 mm).
(1) Reference value only. The "A" dimension shall be governed by the overall length of the taped component.
The distance between flanges shall be 0.059 inches (1.50 mm) to 0.315 (8.00 mm) greater than the overall component.
(2) The given dimension "D" expresses the standard width spacing. A 26 mm narrow spacing is available as option "N" packaging code.
Rev Date: 08/24/2020
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
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RSF / RSMF Series
General Purpose Metal Oxide Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
Packaging Specifications – Pana-Sert
Symbol
ØD
A
A0
Ød
P
P0
P1
P2
F
Alpha
Δh
Δg
W
W0
W1
W2
H
H0
I
ØD0
i
L
Description
Body diameter
Body length
Mounting height
Lead diameter
Component pitch
Feed hole pitch
Feed hole center to lead
Feed hole center to body
Lead-lead distance
Performing angle
Component alignment
Component alignment
Tape width
Hold down tape width
Hole position
Hold down tape position
Distance to tape center
Lead wire clinch height
Lead wire portrait
Feed hole diamenter
Total tape thickness
Length of shipped lead
PRSM12
0.157 max.
4.00 max.
0.394 max.
10.00 max.
0.571 max.
14.50 max.
0.028 ± 0.004
0.70 ± 0.10
0.500
12.70
0.500
12.70
0.152
3.85
0.250
6.35
0.200
5.08
PRSF1 / PRSM2
0.217 max.
5.50 max.
0.492 max.
12.50 max.
0.709 max.
18.00 max.
0.028 ± 0.004
0.70 ± 0.10
± 0.039
± 1.00
± 0.012
± 0.30
± 0.020
± 0.50
± 0.016
± 0.40
+0.24 / -0.008
+0.60 / -0.20
45° max
0.000
0.00
0.000
0.00
0.709
18.00
0.492
12.50
0.354
9.00
0.079
2.00
0.748
19.00
0.630
16.00
0.039
1.00
0.157
4.00
0.028
0.70
0.433
11.00
± 0.079
± 2.00
± 0.118
± 3.00
+0.039 / -0.031
+1.00 / -0.80
min.
min.
± 0.020
± 0.50
+0 / -0.059
+0 / -1.50
± 0.039
± 1.00
± 0.020
± 0.50
max.
max.
± 0.008
± 0.20
max.
max.
max.
max.
Rev Date: 08/24/2020
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
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