Communication Coil, Inc. · Electronic Components
X687-3
Transformer, Radio Frequency
Part NumberX687-3
ManufacturerCommunication Coil, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-766-2546 (NSN)
Federal Item NameTRANSFORMER,RADIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Body Length0.562 INCHES NOMINAL
Terminal Type And Quantity4 WIRE LEAD
Transformer FunctionINPUT
Mounting MethodBRACKET(S) AND UNTHREADED HOLE(S) SINGLE GROUP
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Mounting Hole Diameter0.093 INCHES NOMINAL SINGLE GROUP
Frequency Rating500.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Body Width0.490 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Body Height0.671 INCHES NOMINAL
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 X687-3 available?
We can source X687-3 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 X687-3 by Communication Coil, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If X687-3 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 X687-3?
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 X687-3?
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.