EPCOS · Electronic Components
B57540
NTC THERMISTOR, BEAD, 50KOHM, 3992K, TH
Part NumberB57540
ManufacturerEPCOS
AvailabilityAvailable to order — request a quote
Specifications
Thermal Time Constant In Air3 s
RohscompliantYES
Hazardousfalse
RohsphthalatescompliantTBA
Product RangeB57540 Series
IscanonicalY
Operating Temperature Max200 °C
SvhcNo SVHC (21-Jan-2025)
Thermistor TerminalsRadial Leaded
Probe Material-
Lead Length2.559 "
Thermistor TypeNTC
Ntc Case Size-
ProducttraceabilityYes-Date/Lot Code
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 B57540 available?
We can source B57540 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 B57540 by EPCOS obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B57540 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 B57540?
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 B57540?
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.