Rockwell Collins · Electronic Components
677-0402-020
Transformer, Audio Frequency
Part Number677-0402-020
ManufacturerRockwell Collins
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-108-8207 (NSN)
Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Center To Center Distance Between1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Maximum Operating Temp75.0 CELSIUS
Primary To Secondary Turn Ratio4 TO 1 SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Terminal Type And Quantity6 PIN
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Mounting Hole Diameter0.120 INCHES NOMINAL SINGLE GROUP
Inclosure TypeHERMETICALLY SEALED
Overall Height0.875 INCHES MAXIMUM
Frequency Rating14.0 KILOHERTZ MINIMUM AND 60.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Overall Width1.750 INCHES NOMINAL
Vendor Part Numbers24-0285-01
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 677-0402-020 available?
We can source 677-0402-020 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 677-0402-020 by Rockwell Collins obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 677-0402-020 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 677-0402-020?
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 677-0402-020?
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.