Crane Electronics · Electronic Components
278-4001
Amplifier, Audio Frequency
Part Number278-4001
ManufacturerCrane Electronics
AvailabilityAvailable to order — request a quote
Specifications
NSN5996-00-272-2560 (NSN)
Federal Item NameAMPLIFIER,AUDIO FREQUENCY
Federal Supply Class5996 — Amplifiers
Operating Control MethodMANUAL
Criticality Code JustificationFEAT
External Dc Operating Voltage In V28.0 NOMINAL SINGLE VOLTAGE
Impedance Rating Per Channel600.000 OHMS INPUT CHANNEL AND 7.500 OHMS OUTPUT CHANNEL
Signal Voltage Rating Per Channel28.000 VOLTS NOMINAL INPUT
FSC Application DataINTERCOMMUNICATION SET,AIRBORNE
Average Power Rating Per Channel300.0 MILLIWATTS INPUT
Control TypeLOCAL
Individual Section Quantity1
Overall Width3.406 INCHES NOMINAL
Basic Shape StyleRECTANGULAR OR SQUARE
Vendor Part NumbersAM-3889/AIC-14A
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 278-4001 available?
We can source 278-4001 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 278-4001 by Crane Electronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 278-4001 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 278-4001?
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 278-4001?
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.