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Texas Instruments Inc. Metallurgical Materials Div  · Electronic Components

3SB2

Circuit Breaker

Part Number3SB2
ManufacturerTexas Instruments Inc. Metallurgical Materials Div
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Boss Height0.359 INCHES NOMINAL
Unpackaged Unit Weight30.0 GRAMS NOMINAL
Reset MethodELECTRIC
Main Contact Tripping Mechanism TyNONTRIP FREE
Operating Voltage Type And Rating28.0 DC ALL LOCATIONS
Trip Release Ambient Temp Rating25.0 CELSIUS NOMINAL ALL LOCATIONS
Body StyleSINGLE POLE TYPE
Ultimate Trip Time Per Pole In Sec3.000 NOMINAL ALL LOCATIONS
Pole Quantity1
Overall Length0.750 INCHES NOMINAL
Overall Width0.500 INCHES NOMINAL
ESD/EMICode A — ESD/EMI sensitive item
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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

Frequently asked

Is 3SB2 available?
We can source 3SB2 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 3SB2 by Texas Instruments Inc. Metallurgical Materials Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3SB2 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 3SB2?
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 3SB2?
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.