Rev Date: 08/25/2011 1 www.seielect.com
This specification may be changed at any time without prior notice marketing@seielect.com
Please confirm technical specifications before you order and/or use.
RSPF/RSPL Series
Flameproof Power Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
Features:
• Robust metal oxide film element
• Flameproof design
• Compact Size
• Useful in circuits where duty cycles require
power resistors
• Tin-plated copper leads
• Cut and formed product is available on select sizes;
contact factory for details
• RoHS compliant / lead-free
Maximum Maximum
T
y
pe / Code Workin
g
Overload
Volta
g
e
(
1
)
Volta
g
e 1%, 2% 5%
RSPF14 0.25W 250V 500V -200 ppm/ºC ~ +350 ppm/ºC 10 - 100K 2.2 - 1M
RSPF12 0.5W 400V 800V -200 ppm/ºC ~ +350 ppm/ºC 10 - 100K 2.2 - 1M
RSPF1 1W 500V 1,000V -200 ppm/ºC ~ +350 ppm/ºC 10 - 100K 2.2 - 1M
RSPF2 2W 500V 1,000V -200 ppm/ºC ~ +350 ppm/ºC 10 - 100K 2.2 - 1M
RSPF3 3W 500V 1,000V -200 ppm/ºC ~ +350 ppm/ºC 10 - 100K 2.2 - 1M
RSPL14 0.25W √PR √PR x 2.5 -200 ppm/ºC ~ +350 ppm/ºC - 0.1 - 2
RSPL12 0.5W √PR √PR x 2.5 -200 ppm/ºC ~ +350 ppm/ºC - 0.1 - 2
RSPL1 1W √PR √PR x 2.5 -200 ppm/ºC ~ +350 ppm/ºC - 0.1 - 2
RSPL2 2W √PR √PR x 2.5 -200 ppm/ºC ~ +350 ppm/ºC - 0.1 - 2
RSPL3 3W √PR √PR x 2.5 -200 ppm/ºC ~ +350 ppm/ºC - 0.1 - 2
(1) Lesser of√PR or maximum working voltage
Power Rating
(Watts) @ 70ºC Resistance Temperature Coefficient Ohmic Range (Ω) and Tolerance
Electrical Specifications
ABCD
Body Length Body Diameter Lead Length (Bulk) Lead Diameter
0.13 +0.01/-0 0.072 ± 0.01 1.1 ± 0.12 0.018 ± 0.002 inches
3.2 +0.2/-0 1.82 ± 0.2 28.0 ± 3.0 0.45 ± 0.05 mm
0.24 ± 0.02 0.09 ± 0.01 1.1 ± 0.12 0.022 ± 0.002 inches
6.0 ± 0.5 2.3 ± 0.2 28.0 ± 3.0 0.55 ± 0.05 mm
0.35 ± 0.04 0.12 ± 0.02 1.1 ± 0.12 0.028 ± 0.002 inches
9.0 ± 1.0 3.0 ± 0.5 28.0 ± 3.0 0.7 ± 0.05 mm
0.43 ± 0.04 0.16 ± 0.02 1.1 ± 0.12 0.031 ± 0.002 inches
11.0 ± 1.0 4.0 ± 0.5 28.0 ± 3.0 0.8 ± 0.05 mm
0.59 ± 0.04 0.22 ± 0.04 1.38 ± 0.12 0.031 ± 0.002 inches
15.0 ± 1.0 5.5 ± 1.0 35.0 ± 3.0 0.8 ± 0.05 mm
RSPF2 / RSPL2
RSPF3 / RSPL3
Type / Code Unit
RSPF12 / RSPL12
RSPF1 / RSPL1
RSPF14 / RSPL14
Mechanical Specifications
Rev Date: 08/25/2011 2 www.seielect.com
This specification may be changed at any time without prior notice marketing@seielect.com
Please confirm technical specifications before you order and/or use.
RSPF/RSPL Series
Flameproof Power Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
12345678910111
RSPF12JB10R0
2
Nominal
Resistance
10
Type Description Code Wattage Tolerance
V
alues Types Qty Description Code
RSPF Flameproof 1/4 0.25W 1% E96 RSPF14, RSPL14
RSPL Low values 1/2 0.5W 2% E24 RSPF12, RSPF12
11W 5% E24 RSPF1, RSPL1
22W RSPF2, RSPL2
33W RSPF3, RSPL3 1,000
RSPF14, RSPL14 5,000
RSPF12, RSPL12
RSPF1, RSPL1
RSPF2, RSPL2 1,000
RSPF3, RSPL3 500
RSPF14, RSPL14 2,000
RSPF12, RSPL12
RSPF1, RSPL1
RSPF2, RSPL2
RSPF3, RSPL3
Ammo T
5%
2,500
Packaging
A
5,000
RTape and Reel
1,000
2,000
Bulk A
RSPF
SEI Type Code
1/2
Tolerance
Test Test Results
Short Time Overload ±(0.75% + 0.05Ω)
Moisture Resistance ±(5% + 0.05Ω)
Load Life @ 70ºC - 1,000 hours ±(5% + 0.05Ω)
Dielectric Withstanding Voltage ±(5% + 0.05Ω)
Resistance to Solvent Permanent marking no physical damage or deterioration
Non-combustibility Does not burn continuously for more than 5 seconds
Operating Temperature Range: -55ºC to +155ºC
Performance Characteristics
How to Order
Size
RSPF Flameproof 14 Code Value Code Quantity
RSPL Low values 12 F E96
1G
2J
3
1,000
2,000
5,000
1,000
500
Four characters
with the multiplier
used as the
decimal holder.
1W
1%
2%
2W
3W
5%
5,000
RSPF1, RSPL1
0.5W
Tol Description Size0.25W
RSPF14, RSPL14
T
RSPF12, RSPL12
E24
Product Series Power Rating Tolerance Resistance ValuePackaging
1 Mohm = 1M00
2.2 ohm = 2R20
10 Kohm = 10K0
RSPF3, RSPL3
1,000
2,000
RSPF3, RSPL3
RSPF1, RSPL1
RSPF2, RSPL2
RSPF2, RSPL2 2,500
Tape and Reel
RSPF12, RSPL12
RSPF3, RSPL3
AAmmo
RSPF14, RSPL14
RSPF12, RSPL12
RSPF1, RSPL1
RSPF2, RSPL2
BBulk
RSPF14, RSPL14
Legacy Part Number (before January 3, 2011): Legacy Part Number (before January 3, 2011):
