Siliconix Incorporated · Electronic Components
DN643
SEMICONDUCTOR DEVICES,UNITIZED — NSN 5961-00-422-0531
Part NumberDN643
ManufacturerSiliconix Incorporated
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-00-422-0531 (NSN)
Federal Item NameSEMICONDUCTOR DEVICES,UNITIZED
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating1.00 MILLIAMPERES MINIMUM ZERO-GATE-VOLTAGE DRAIN CURRENT AND 8.00 MILLIAMPERES MAXIMUM ZERO-GATE-VOLTAGE DRAIN CURRENT
Overall Length0.190 INCHES NOMINAL
Overall Diameter0.219 INCHES NOMINAL
Features ProvidedHERMETICALLY SEALED CASE
Component Name And Quantity2 TRANSISTOR
Power Rating Per Characteristic300.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION ALL TRANSISTOR
Semiconductor MaterialSILICON ALL TRANSISTOR
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 DN643 available?
We can source DN643 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 DN643 by Siliconix Incorporated obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If DN643 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 DN643?
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 DN643?
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.