IRC SPF-0.1-5% Moulded Wirewound Resistor 2W 0.1 Ohm 5% A Axial
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Irc Spf-0.1-5% S/B Failsafe Moulded Wirewound Resistors 2W 0.1Ohm 5% A Axial
Description
IRC SPF-.1-5% s/b General purpose failsafe moulded wirewound resistor 2W 0.1 OHM 5% A Axial
The unique feature of this series of wire wound resistors is their case size. To make more compact resistors, IRC developed the BWH series and the BWF series which are rated at 2 watts, however they’re encapsulated in a 1 watt case size. The same applies for the BW20 series and the BW20F series which are rated at a 1 watt rating encapsulated in a ½ watt case size.
| Moulded Wirewound Resistors Specifications | |||
|---|---|---|---|
| Series | Resistance Range | Power Rating | Case Size |
| SPH | .01 ohm to 2400 ohms | 2 Watt at 70°C 1 Watt at 115°C Derating to 0 at 160°C | 2 Watt rated with 1 Watt dimensions |
| SPF | 0.1 ohm to 1000 ohms | 2 Watt at 70°C 1 Watt at 115°C Derating to 0 at 160°C | 2 Watt rated with 1 Watt dimensions |
| SP20 | 0.1 ohm to 1200 ohms | 1 Watt at 50°C 0.75 Watt at 70°C Derating to 0 at 160°C | 1 Watt rated with 1/2 Watt dimensions |
| SP20F | 0.1 ohm to 1000 ohms | 1 Watt at 50°C 0.75 Watt at 70°C Derating to 0 at 160°C | 1 Watt rated with 1/2 Watt dimensions |
| BWH | .01 ohm to 2400 ohms | 2 Watt at 70°C 1/2 Watt at 137°C Derating to 0 at 150°C | 2 Watt rated with 1 Watt dimensions |
| BWF | 0.1 ohm to 1000 ohms | 2 Watt at 70°C 1/2 Watt at 137°C Derating to 0 at 150°C | 2 Watt rated with 1 Watt dimensions |
| BW20 | 0.1 ohm to 1200 ohms | 1 Watt at 50°C 0.25 Watt at 125°C Derating to 0 at 160°C | 1 Watt rated with 1/2 Watt dimensions |
| BW20F | 0.1 ohm to 1000 ohms | 1 Watt at 50°C 0.25 Watt at 125°C Derating to 0 at 160°C | 1 Watt rated with 1/2 Watt dimensions |
Ordering Information For The SPH/SPF, SP20/SP20F, BWH/BWF, BW20/BW20F Series Resistors.
An example: SPF – 150 – 5%
| SPF | – | 150 | – | 5% |
| | | | | | | ||
| Series | Resistance | Tolerance | ||
| 1 | 2 | 3 |
1. Series
Current TRW/TT Electronics Part Numbers.
- SPH
- SPF
- SP20
- SP20F
Obsolete IRC Part Numbers.
- BWH
- BWF
- BW20
- BW20F
Note: F = Flame resistance coating applied.
2. Resistance
Resistance is expressed in Ω (ohms), use a decimal point and as many digits as required.
3. Tolerance
Tolerance is expressed as a percentage.
- ±2%
- ±5%
- ±10%
Manufacturer Part Number: SPF-.1-5%
Manufacturer: IRC / TT electronics
Datasheet: SPH-SPF-1090526.pdf
Additional information
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