TE Connectivity · Electronic Components
TRF250-145U
FUSE, PTC RESET, 60V, 145mA, RADIAL
Part NumberTRF250-145U
ManufacturerTE Connectivity
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-581-3591 (NSN)
Federal Item NameRESISTOR,THERMAL
Terminals2 WIRE LEAD
Special FeaturesPOLYSWITCH PTC OVERCURRENT PROTECTION DEVICE. 60VDC WITH FAULT VOLTAGE OF 250VRMS.
Body Width3.8 MILLIMETERS MAXIMUM
Body Height6.0 MILLIMETERS MAXIMUM
Body Length6.0 MILLIMETERS MAXIMUM
Maximum Operating Temp85.0 CELSIUS
Style DesignatorSQUARE OR RECTANGULAR WAFER
Federal Supply Class5905 — Resistor
Terminal Type And Quantity2 WIRE LEAD
ESD/EMICode A — ESD/EMI sensitive item
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 TRF250-145U available?
We can source TRF250-145U 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 TRF250-145U by TE Connectivity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If TRF250-145U 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 TRF250-145U?
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 TRF250-145U?
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.