● 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
Lau Technologies  · Electronic Components

453A

Test Set, Telephone

Part Number453A
ManufacturerLau Technologies
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameTEST SET,TELEPHONE
Federal Supply Class6625 — Test Instruments
Frequency Rating48.0 HERTZ MINIMUM AND 62.0 HERTZ MAXIMUM
Y Axis Input Impedance Rating1.0 MEGOHMS NOMINAL
Sweep Circuit TypeHORIZONTAL AND VERTICAL
Calibrating Peak To Peak Amplitude0.1 VOLTS MINIMUM AND 1.0 VOLTS MAXIMUM
Trigger Sweep Voltage Amplitude Ra200.0 MILLIVOLTS NOMINAL
X Axis Input Impedance Rating1.0 MEGOHMS NOMINAL
X Axis Frequency Response Rating40.0 MEGAHERTZ NOMINAL
PhaseSINGLE
Amplitude Calibrating Voltage WaveSQUARE WAVE
Visual Modulation Sensitivity Volt5.0 VOLTS NOMINAL
Reference Data And LiteratureTO 33A1-13-336-41
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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 453A available?
We can source 453A 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 453A by Lau Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 453A 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 453A?
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 453A?
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.