Fairchild Semiconductor · Diodes / Rectifiers
RS1A
FAST RECOVERY DIODE, 1A, 50V, DO-214AC
Part NumberRS1A
ManufacturerFairchild Semiconductor
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-835-8875 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND,INDUCT
Terminal TypeWIRE LEAD
Reliability IndicatorNOT ESTABLISHED
Power Dissipation Rating In Watts1.000 FREE AIR
Body Diameter0.094 INCHES NOMINAL
Inclosure TypeENCAPSULATED
Ambient Temp At Full Rated Power25.0 CELSIUS
Ambient Temp In Deg Celsius At Zer275.0
Temp Range Of Temp Coefficient In-55.0 TO 275.0
Body Length0.406 INCHES NOMINAL
Resistance Tolerance In Percent-3.000 TO 3.000
Federal Supply Class5905 — Resistor
Temp Coefficient Of Resistance In-20.0 TO 20.0
ESD/EMICode A — ESD/EMI sensitive item
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 RS1A available?
We can source RS1A 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 RS1A by Fairchild Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RS1A 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 RS1A?
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 RS1A?
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.