Lockheed Martin · Electronic Components
PT4A
Transformer, Pulse
Part NumberPT4A
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-051-8250 (NSN)
Federal Item NameTRANSFORMER,PULSE
Federal Supply Class5950 — Coils and Transformers
Body Width0.550 INCHES NOMINAL
Inclosure TypeFULLY INCLOSED
Mounting MethodTERMINAL SINGLE GROUP
Body Height0.500 INCHES NOMINAL
Terminal Type And Quantity4 SOLDER STUD
Frequency Rating50.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Pulse Repetition Rate125.0 KILOHERTZ SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Body Length0.550 INCHES NOMINAL
Winding Operating Current250.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Vendor Part Numbers7755506P001
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 PT4A available?
We can source PT4A 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 PT4A by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If PT4A 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 PT4A?
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 PT4A?
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.