Keysight Technologies · Electronic Components
1551A-021
Oscilloscope
Part Number1551A-021
ManufacturerKeysight Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-228-2201 (NSN)
Federal Item NameOSCILLOSCOPE
Federal Supply Class6625 — Test Instruments
Frequency Rating50.0 HERTZ NOMINAL AND 60.0 HERTZ NOMINAL AND 400.0 HERTZ NOMINAL
Accessory Components And QuantityADAPTER 6;CABLE RF COAXIAL 2;FRONT COVER 1;PROBE 2;TEE CONNECTOR 2
Single Trigger Sweep Duration0.1 SECONDS MINIMUM AND 20.0 SECONDS MAXIMUM
Sweep Frequency Range+0.050 TO 200.000 KILOHERTZ
Vertical Deflection Sensitivity Vo5.0 MILLIVOLTS MINIMUM RMS PER CENTIMETER AND 20000.0 MILLIVOLTS MAXIMUM RMS PER CENTIMETER
Voltage Rating115.0 VOLTS NOMINAL
Trigger Sweep Voltage Amplitude Ra0.5 VOLTS MINIMUM AND 200.0 VOLTS MAXIMUM
PhaseSINGLE
Sweep Circuit TypeHORIZONTAL
Visual Modulation Sensitivity Volt0.2 VOLTS NOMINAL
Visual Blanking Sensitivity Voltag2.0 VOLTS NOMINAL
Vendor Part NumbersAN/USM-281A, MILO24311ANUSM281A
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 1551A-021 available?
We can source 1551A-021 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 1551A-021 by Keysight Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1551A-021 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 1551A-021?
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 1551A-021?
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.