Woodward · Electronic Components
1688-403
Resistor, Thermal
Part Number1688-403
ManufacturerWoodward
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-095-1408 (NSN)
Federal Item NameRESISTOR,THERMAL
Federal Supply Class5905 — Resistors
Maximum Power Dissipation Rating34.00 WATTS
Terminal Diameter0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM
Style DesignatorDISK
Body Outside Diameter0.270 INCHES MAXIMUM
Zero Power Resistance Tolerance In-1.0 TO 1.0
Terminal Length1.000 INCHES MINIMUM
Terminal Type And Quantity2 PIN
Inclosure TypeENCAPSULATED
Body Length0.323 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Body Width0.217 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 1688-403 available?
We can source 1688-403 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 1688-403 by Woodward obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1688-403 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 1688-403?
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 1688-403?
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.