Amperite Co Inc. · Electronic Components
5TF4
Resistor, Current Regulating
Part Number5TF4
ManufacturerAmperite Co Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-549-3478 (NSN)
Federal Item NameRESISTOR,CURRENT REGULATING
Federal Supply Class5905 — Resistors
Threshold Voltage In Volts5.1
Current Range In Amps+0.49 TO 0.55
Envelope Type Per Mil E 1T-6-1/2(6-8) PER SPEC MIL-E-1B
Base Type9 PIN MINIATURE
Resistive Element Pin Connection2 AND 7
Current TypeAC/DC
Vendor Part Numbers1JC8038-2
Cancelled NSN5905-00-279-9550 (cancelled)
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 5TF4 available?
We can source 5TF4 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 5TF4 by Amperite Co Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 5TF4 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 5TF4?
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 5TF4?
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.