Amperite Co Inc. · Electronic Components
1H4B
Resistor, Current Regulating
Part Number1H4B
ManufacturerAmperite Co Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-296-7538 (NSN)
Federal Item NameRESISTOR,CURRENT REGULATING
Federal Supply Class5905 — Resistors
Envelope Type Per Mil E 1T-9 (9-33) PER SPEC MIL-E-1B
Threshold Voltage In Volts4.8
Current Range In Amps+0.168 TO 0.185
Base TypeOCTAL
Current TypeAC/DC
Resistive Element Pin Connection2 AND 7
Vendor Part NumbersC222843CHANGEC
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is 1H4B available?
We can source 1H4B even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is 1H4B by Amperite Co Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1H4B has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like 1H4B?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for 1H4B?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.