GENERAL-PURPOSE FAILSAFE MOLDED WIREWOUND RESISTOR
GENERAL-PURPOSE FAILSAFE MOLDED WIREWOUND RESISTOR
ISO-9001 Registered
SPH/SPF SERIES
3 1
• Drop-in replacement for ...
Description
GENERAL-PURPOSE FAILSAFE MOLDED WIREWOUND RESISTOR
ISO-9001 Registered
SPH/SPF SERIES
3 1
Drop-in replacement for BWH/BWF 2 watt rated with 1 watt dimensions ±5%, ±10% tolerance 0.1 ohm to 2400 ohms TCR's as low as ±150 ppm/°C std (custom TC's available) Weldable and solderable leads
2
See notes below
4
SPECIFICATIONS:
IRC Type EIA RS-344 Style MIL-R-11 Style Resistance - Std. Tolerance - Std. Power Rating
SPH CRU 2 RC32/RC42 0.1Ω to 2400Ω ±5%, ±10% 2 watt @ 70°C 1 watt @ 115°C Derating to 0 @ 160°C
Max. Continuous Working
Voltage
Min. Insulation
Dry
Resistance
Wet
Min. Dielectric
ATM
Withstanding Volts
(RMS) Reduced Pressure
Hotspot Temperature Rise
Typical Load Life
Current Noise
√PR
10,000 Meg 100 Meg 1000 V
625V 145°C @ 2 watts
5% Negligible
SPF CRU 2 RC32/RC42 0.1Ω to 1000Ω ±5%, ±10% 2 watt @ 70°C 1 watt @ 115°C Derating to 0 @ 160°C
√PR
10,000 Meg 100 Meg 1000 V
625V 145°C @ 2 watts
5% Negligible
1. Resistive Element All resistor types have resistance alloy winding on a braided fiberglass substrate. Intermediate silicone coatings are used to enhance processibility and to provide protection to the resistive element.
2. Termination The SPH and SPF resistors are terminated using an alloy coated copper flashed steel lead welded to a cap of the same material. This termination assembly is mechanically crimped, utilizing an improved crimp design, to the resistive element.
3. Encapsulation The SPH and SPF are encapsulated utilizing a compress...
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