● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Palomar Products  · Electronic Components

21-019

MICROCIRCUIT,DIGITAL — NSN 5962-01-330-1625

Part Number21-019
ManufacturerPalomar Products
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameMICROCIRCUIT,DIGITAL
Federal Supply Class5962 — Microcircuits, Electronic
Operating Voltage Rating And Type450.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Main Contact Maximum Voltage Ratin120.0 AC AND 28.0 DC
Center To Center Distance Between2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY
Mounting Facility Type And Quantit4 THREADED STUD(S) SINGLE MOUNTING FACILITY
Overall Length3.520 INCHES NOMINAL
Thread Class2A SINGLE MOUNTING FACILITY
Main Contact Load Current Rating A2.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
Environmental ProtectionDUSTPROOF
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Overall Height4.585 INCHES NOMINAL
Vendor Part Numbers300S-1
Unthreaded Mounting Hole Diameter2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY
Overall Width3.250 INCHES NOMINAL
Winding Quantity1
Nominal Thread Size0.250 INCHES SINGLE MOUNTING FACILITY
Nominal Operating Current Rating A1.52 AMPERES DC SINGLE WINDING
Winding Dc Resistance Rating7.18 OHMS NOMINAL SINGLE WINDING
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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

Frequently asked

Is 21-019 available?
We can source 21-019 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 21-019 by Palomar Products obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21-019 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 21-019?
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 21-019?
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.