Texas Instruments Inc. · Electronic Components
MWJ55BB
Protector, Thermal-Overload, Elect
Part NumberMWJ55BB
ManufacturerTexas Instruments Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN6110-01-371-3749 (NSN)
Federal Item NamePROTECTOR,THERMAL-OVERLOAD,ELECT
Federal Supply Class6110 — Electrical Control Equipment
Overall Length1.568 INCHES NOMINAL
Current Rating In Amps37.0
Current TypeAC
PhaseTHREE
Overall Width0.976 INCHES NOMINAL
Operation TypeMANUAL
Voltage Rating220.0 VOLTS MINIMUM AND 440.0 VOLTS MAXIMUM
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 MWJ55BB available?
We can source MWJ55BB 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 MWJ55BB by Texas Instruments Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MWJ55BB 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 MWJ55BB?
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 MWJ55BB?
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.