Pico Electronics Inc. · Electronic Components
S21690
Transformer, Power
Part NumberS21690
ManufacturerPico Electronics Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-220-0681 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Mounting MethodTERMINAL SINGLE GROUP
Terminal Type And Quantity6 WIRE LEAD
Winding Operating Current84.5 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY
Inclosure TypeFULLY INCLOSED
Body Length0.520 INCHES MAXIMUM
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Function And Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Body Outside Diameter0.750 INCHES MAXIMUM
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 S21690 available?
We can source S21690 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 S21690 by Pico Electronics Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If S21690 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 S21690?
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 S21690?
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.