● 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
Home / Catalog / Power-One / HN28-3-A
Power-One  · Electronic Components

HN28-3-A

LINEAR SUPPLY 28V/3.0A OUTPUT

Part NumberHN28-3-A
ManufacturerPower-One
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NamePOWER SUPPLY
Overall Length7.000 INCHES NOMINAL
Overall Width4.880 INCHES NOMINAL
Overall Height3.250 INCHES NOMINAL
Output Current Rating3.0 DC AMPERES NOMINAL SINGLE POWER OUTPUT
Output Voltage Rating28.0 DC VOLTS NOMINAL SINGLE POWER OUTPUT
Input Voltage Rating230.0 AC VOLTS NOMINAL FIRST OPERATING POWER RQMT; 115.0 AC VOLTS NOMINAL SECOND OPERATING POWER RQMT
Output Connection TypeSOLDER STUD SINGLE POWER OUTPUT
Output Connection Quantity2 SINGLE POWER OUTPUT
Input PhaseSINGLE FIRST OPERATING POWER RQMT; SINGLE SECOND OPERATING POWER RQMT
Operating Ambient Temp Range+0.1 TO 50.0 CELSIUS
Federal Supply Class6130 — Converters, Electrical, Nonrotating
Input Frequency Rating47.0 HERTZ MINIMUM AND 440.0 HERTZ MAXIMUM FIRST OPERATING POWER RQMT
Review your list (0) →
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 HN28-3-A available?
We can source HN28-3-A 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 HN28-3-A by Power-One obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If HN28-3-A 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 HN28-3-A?
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 HN28-3-A?
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.