Keysight Technologies · Electronic Components
E4438C-503
Generator, Signal
Part NumberE4438C-503
ManufacturerKeysight Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-01-563-9854 (NSN)
Federal Item NameGENERATOR,SIGNAL
Federal Supply Class6625 — Test Instruments
Frequency Range Rating+250.000 TO 999.999 KILOHERTZ AND +1.000 TO 999.999 MEGAHERTZ AND +1.000 TO 3.000 GIGAHERTZ
Overall Length17.000 INCHES NOMINAL
Frequency Rating60.0 HERTZ NOMINAL
Current TypeDC
Output Impedance Rating50.0 OHMS NOMINAL
PhaseSINGLE
Modulation TypeAM AND FM AND PULSE AND SQUARE WAVE
Mounting TypeBENCH AND TABLE
Overall Height5.250 INCHES NOMINAL
Voltage Rating90.0 VOLTS MINIMUM AND 254.0 VOLTS MAXIMUM
Overall Width16.800 INCHES NOMINAL
ESD/EMICode A — 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 E4438C-503 available?
We can source E4438C-503 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 E4438C-503 by Keysight Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If E4438C-503 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 E4438C-503?
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 E4438C-503?
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.