Charles Industries, LLC · Electronic Components
443-01
Network, Hybrid Circuit
Part Number443-01
ManufacturerCharles Industries, LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5915-01-036-8143 (NSN)
Federal Item NameNETWORK,HYBRID CIRCUIT
Federal Supply Class5915 — Filters and Networks
Overall Width1.500 INCHES NOMINAL
FSC Application DataTELEPHONE AND TELEGRAPH EQUIPMENT
Two Wire Circuit Quantity1
Overall Depth6.000 INCHES NOMINAL
Overall Height5.600 INCHES NOMINAL
Circuit TypeVOICE FREQUENCY
Vendor Part NumbersB91-044301, TLC-4703-1
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 443-01 available?
We can source 443-01 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 443-01 by Charles Industries, LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 443-01 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 443-01?
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 443-01?
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.