Ampex Data Systems Corp. Computer Products Div · Electronic Components
020-581
Relay, Electromagnetic
Part Number020-581
ManufacturerAmpex Data Systems Corp. Computer Products Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-006-7237 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Purpose For Which DesignedGENERAL
Overall Width1.110 INCHES MAXIMUM
Main Contact Load Current Rating A1.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
Overall Height0.460 INCHES MAXIMUM
Center To Center Distance Between1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY
Time Delay0.005 SECONDS MAXIMUM FIXED OPERATE TIME
Fragility FactorMODERATELY RUGGED
Terminal Type And Quantity8 PIN ALL FUNCTIONS
Coil Quantity1
Cubic Measure0.679 CUBIC INCHES
Main Contact Maximum Voltage Ratin115.0 AC AND 28.0 DC
Vendor Part NumbersFW1156S03
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 020-581 available?
We can source 020-581 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 020-581 by Ampex Data Systems Corp. Computer Products Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 020-581 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 020-581?
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 020-581?
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.