RSPF / RSPL Series — Flameproof Power Resistors
Features
• 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
Electrical Specifications
Type / Code
Power Rating
(Watts) @ 70°C
Maximum
Working
Voltage
400V
Maximum Pulse
Voltage
Resistance Temperature
Coefficient
Ohmic Range and Tolerance
1%
10Ω – 100KΩ
5%
2.2Ω – 1MΩ
RSPF 1/2
0.5W
800V
-200 ppm/°C ~ +350ppm/°C
RSPF 1
1W
500V
1,000V
-200 ppm/°C ~ +350ppm/°C
10Ω – 100KΩ
2.2Ω – 1MΩ
RSPF 2
2W
500V
1,000V
-200 ppm/°C ~ +350ppm/°C
10Ω – 100KΩ
2.2Ω – 1MΩ
RSPF 3
3W
500V
1,000V
-200 ppm/°C ~ +350ppm/°C
10Ω – 100KΩ
2.2Ω – 1MΩ
RSPL 1/2
0.5W
√PR
√PR
x 2.5
-200 ppm/°C ~ +350ppm/°C
–
0.1Ω – 2Ω
RSPL 1
1W
√PR
√PR
x 2.5
-200 ppm/°C ~ +350ppm/°C
–
0.1Ω – 2Ω
RSPL 2
2W
√PR
√PR
x 2.5
-200 ppm/°C ~ +350ppm/°C
–
0.1Ω – 2Ω
RSPL 3
3W
√PR
√PR
x 2.5
-200 ppm/°C ~ +350ppm/°C
–
0.1Ω – 2Ω
* Lesser of
√PR
or maximum working voltage
How to Order
RSPF
SEI Type
1/2
Code
10
Nominal Resistance
5%
Tolerance
A
Packaging
SEI Type
RSPF
RSPL
Code
1/2
1
2
3
Tolerance
1%
5%
Values
E24
E12
SEI Types
RSPF 1/2, RSPF 1
RSPF 1/2, RSPL 1
RSPF 2, RSPL 2
RSPF 3, RSPL 3
RSPF 1/2, RSPL 1
RSPF 1/2, RSPL 1
RSPF 2, RSPL 2
RSPF 3, RSPL 3
All
Pkg Qty Description Code
2,500
1,000
500
2,000
1,000
500
1,000
Bulk
B
Ammo
A
Reel
R
Toll Free: (888) SEI-SEIS
(888) 734-7347
www.seielect.com
47
email: marketing@seielect.com
Rev 02/07
RSPF / RSPL Series — Flameproof Power Resistors
Mechanical Specifications
Type / Code
RSPF / RSPL 1/2
A
Body Length
0.24 ± 0.04
6.0 ± 0.3
0.35 ± 0.02
9.0 ± 0.5
0.43 ± 0.02
11.0 ± 0.5
0.59 ± 0.02
15.0 ± 0.5
B
Body Diameter
0.09 ± 0.01
2.3 ± 0.2
0.12 ± 0.02
3.0 ± 0.5
0.16 ± 0.02
4.0 ± 0.5
0.22 ± 0.02
5.5 ± 0.5
C
Lead Length (Bulk)
1.10 ± 0.08
28.0 ± 2.0
1.10 ± 0.08
28.0 ± 2.0
1.38 ± 0.12
35.0 ± 3.0
1.38 ± 0.12
35.0 ± 3.0
D
Lead Diameter
0.024 ± 0.002
0.6 ± 0.05
0.028 ± 0.002
0.7 ± 0.05
0.031 ± 0.002
0.8 ± 0.05
0.031 ± 0.002
0.8 ± 0.05
Units
inches
mm
inches
mm
inches
mm
inches
mm
RSPF / RSPL 1
RSPF / RSPL 2
RSPF / RSPL 3
Performance Characteristics (JIS C 5202)
Test
Operating Temperature Range
Short Time Overload
Moisture Resistance
Load Life @ 70°C – 1,000 hrs
Dielectric Withstanding Voltage
Resistance to Solvent
Non-combustibility
Test Results
-55°C to + 155°C
±(0.75% + 0.05Ω)
±(5% + 0.05Ω)
±(5% + 0.05Ω)
±(5% + 0.05Ω)
Permanent marking no physical damage or deterioration
Does not burn continuously for more than 5 seconds
Toll Free: (888) SEI-SEIS
(888) 734-7347
www.seielect.com
48
email: marketing@seielect.com
Rev 02/07
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