Grieve · Electronic Components
637-571
Transformer, Power
Part Number637-571
ManufacturerGrieve
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-867-1310 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Function And Quantity2 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Maximum Transformer Power Rating100.0 VOLT-AMPERE SINGLE COMPONENT
Center To Center Distance Between2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Winding Power Rating100.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE SECONDARY
Terminal Type And Quantity6 WIRE LEAD
Mounting MethodSTRAP(S) AND SLOT SINGLE GROUP
Frequency Rating50.0 HERTZ MINIMUM OR 60.0 HERTZ MINIMUM SINGLE COMPONENT
Winding Shielding MethodEXTERNAL INCLOSURE SINGLE COMPONENT
Inclosure TypePARTIALLY INCLOSED, DOUBLE SHELL
Mounting Slot Width0.188 INCHES NOMINAL SINGLE GROUP
Overall Height3.250 INCHES NOMINAL
Overall Length2.625 INCHES NOMINAL
Vendor Part NumbersC30804
Cancelled NSN5950-00-910-0029 (cancelled)
ProducttraceabilityNo
RohscompliantYES
IscanonicalY
Hazardousfalse
RohsphthalatescompliantTBA
UseccnEAR99
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 637-571 available?
We can source 637-571 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 637-571 by Grieve obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 637-571 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 637-571?
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 637-571?
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.