Bourns · Electronic Components
91A1A-B28-B12
Resistor, Variable, Nonwire Wound,
Part Number91A1A-B28-B12
ManufacturerBourns
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-309-5432 (NSN)
Federal Item NameRESISTOR,VARIABLE,NONWIRE WOUND,
Federal Supply Class5905 — Resistors
Shaft StyleROUND, SLOTTED
Resistance Tolerance Per Section I-20.0 TO 20.0 SINGLE SECTION
Body StyleRECTANGULAR W/BUSHING
Reliability IndicatorNOT ESTABLISHED
Shaft Diameter0.249 INCHES NOMINAL
Body Width0.625 INCHES NOMINAL
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
Electrical Resistance Per Section2.5 KILOHMS SINGLE SECTION
Actuator TypeSINGLE SHAFT
Shaft Length0.875 INCHES NOMINAL
Terminal Type And Quantity2 PIN
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 91A1A-B28-B12 available?
We can source 91A1A-B28-B12 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 91A1A-B28-B12 by Bourns obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 91A1A-B28-B12 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 91A1A-B28-B12?
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 91A1A-B28-B12?
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.