● 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
Video Display Corporation  · Electronic Components

B4948

Regulator, Voltage

Part NumberB4948
ManufacturerVideo Display Corporation
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameREGULATOR,VOLTAGE
Federal Supply Class6110 — Electrical Control Equipment
Center To Center Distance Between1.375 INCHES NOMINAL AND 8.190 INCHES NOMINAL
Overall Length8.880 INCHES MINIMUM AND 9.000 INCHES MAXIMUM
Input Voltage Rating In Volts-28.0 MINIMUM AND 28.0 MAXIMUM
Output Voltage Rating In Volts-20.0 MINIMUM AND 20.0 MAXIMUM
Mounting MethodTHREADED HOLE(S) OR UNTHREADED HOLE(S)
Overall Width4.000 INCHES NOMINAL
Mounting Hole Quantity6
Vendor Part Numbers4948
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 B4948 available?
We can source B4948 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 B4948 by Video Display Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B4948 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 B4948?
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 B4948?
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.