Crydom Co. · Relays
HD4825
Relay; SSR; Zero-Switching; SPST-NO; Cur-Rtg 25A; Ctrl-V 3-32DC; Vol-Rtg 48-530AC
Part NumberHD4825
ManufacturerCrydom Co.
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-691-2553 (NSN)
Federal Item NameRELAY,SOLID STATE
Operating Temp Range-40.0 TO 80.0 CELSIUS
Terminals4 SCREW
Overall Length1.75 INCHES NOMINAL
Overall Height2.25 INCHES NOMINAL
Current Rating12.0 AMPERES MINIMUM AND 125.0 AMPERES MAXIMUM OUTPUT
Voltage Rating48.0 VOLTS MINIMUM AND 530.0 VOLTS MAXIMUM OPERATE
Federal Supply Class5945 — Relays And Solenoids
Terminal Type And Quantity4 SCREW
ESD/EMICode C — 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 HD4825 available?
We can source HD4825 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 HD4825 by Crydom Co. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If HD4825 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 HD4825?
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 HD4825?
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.