Ballantine Laboratories Inc. · Electronic Components
MA137A
Resistor, Fixed, Wire Wound, Induct
Part NumberMA137A
ManufacturerBallantine Laboratories Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-683-7675 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND,INDUCT
Federal Supply Class5905 — Resistors
Ambient Temp In Deg Celsius At Zer50.0
Style DesignatorRADIAL TERMINAL EACH END
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeENCAPSULATED
Ambient Temp At Full Rated Power25.0 CELSIUS
Terminal TypeWIRE LEAD
Body Length0.438 INCHES NOMINAL
Power Dissipation Rating In Watts0.250 FREE AIR
Resistance Tolerance In Percent-1.000 TO 1.000
Electrical Resistance20.000 OHMS
Vendor Part NumbersMA137
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 MA137A available?
We can source MA137A 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 MA137A by Ballantine Laboratories Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MA137A 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 MA137A?
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 MA137A?
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.