● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Pd&E Electronics, LLC  · Electronic Components

PD4959

SEMICONDUCTOR DEVICE SET — NSN 5961-00-057-4959

Part NumberPD4959
ManufacturerPd&E Electronics, LLC
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameSEMICONDUCTOR DEVICE SET
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC ALL TRANSISTOR
Terminals3 UNINSULATED WIRE LEAD ALL TRANSISTOR
Mounting MethodTERMINAL ALL TRANSISTOR
Overall Length0.210 INCHES MAXIMUM ALL TRANSISTOR
Overall Diameter0.230 INCHES MAXIMUM ALL TRANSISTOR
Electrode Internally ElectricallyCOLLECTOR ALL TRANSISTOR
Component Name And Quantity2 TRANSISTOR
Semiconductor MaterialSILICON ALL TRANSISTOR
Power Rating Per Characteristic3.0 WATTS MAXIMUM TOTAL POWER DISSIPATION ALL TRANSISTOR
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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 PD4959 available?
We can source PD4959 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 PD4959 by Pd&E Electronics, LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If PD4959 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 PD4959?
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 PD4959?
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.