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Inrcore  · Electronic Components

L858

Transformer, Power

Part NumberL858
ManufacturerInrcore
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Overall Height6.875 INCHES NOMINAL
Center To Center Distance Between6.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Overall Width8.375 INCHES NOMINAL
Mounting Hole Diameter0.375 INCHES NOMINAL SINGLE GROUP
Terminal Type And Quantity9 SOLDER STUD
Inclosure TypePARTIALLY INCLOSED, DOUBLE SHELL
Winding Operating Current400.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Body Length10.000 INCHES NOMINAL
Vendor Part NumbersS12941, A144-69
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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 L858 available?
We can source L858 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 L858 by Inrcore obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If L858 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 L858?
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 L858?
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.