● 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 / Hamilton Sundstrand / 905D977-5
Hamilton Sundstrand  · Electronic Components

905D977-5

Regulator, Voltage

Part Number905D977-5
ManufacturerHamilton Sundstrand
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameREGULATOR,VOLTAGE
Federal Supply Class6110 — Electrical Control Equipment
Input Frequency Rating In Hertz380.0 MINIMUM AND 420.0 MAXIMUM
Regulation MethodMAGNETIC AMPLIFIER
Mounting MethodTHREADED HOLE(S) OR UNTHREADED HOLE(S)
Regulation Percent2.00
Circuit TypePARALLEL
Operating Temp Range-55.0 TO 71.0 CELSIUS
Enclosure FeatureDUSTPROOF
Input Voltage Rating In Volts208.0 NOMINAL
Input Current TypeAC
Input PhaseTHREE
Mounting Hole Diameter0.205 INCHES NOMINAL
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 905D977-5 available?
We can source 905D977-5 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 905D977-5 by Hamilton Sundstrand obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 905D977-5 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 905D977-5?
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 905D977-5?
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.