Fairchild Semiconductor · Electronic Components
4037
ZENER 5.1V 1W 5% DIODE
Part Number4037
ManufacturerFairchild Semiconductor
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-108-6911 (NSN)
Federal Item NameSWITCH,TOGGLE
Federal Supply Class5930 — Switches
Maximum Voltage Rating In Volts250.0 AC
Inclosure TypeFULLY INCLOSED
Mounting MethodTHREADED HOLE(S)
Thread Quantity Per Inch32
Nominal Thread Size0.138 INCHES
Nonpile Up Contact Arrangement2 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
Terminal Type And Quantity4 TAB, SOLDER LUG
Thread Class2B
Contact Load Current Rating At Max20.000 AMPERES RESISTIVE AC
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Vendor Part NumbersK2082069, 2154APC30, 2314LITEM67, 2360LITEM67, 2154ALSPC30, 285-65-903PC30
Overall Height1.000 INCHES NOMINAL
Overall Width6.625 INCHES NOMINAL
Overall Length13.000 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 4037 available?
We can source 4037 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 4037 by Fairchild Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4037 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 4037?
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 4037?
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.