● 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
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Magnatronix  · Electronic Components

ST-100

Transformer, Audio Frequency

Part NumberST-100
ManufacturerMagnatronix
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Body Height4.188 INCHES NOMINAL
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Mounting Hole Diameter0.188 INCHES NOMINAL SINGLE GROUP
Primary To Secondary Turn Ratio1 TO 4 SINGLE COMPONENT
Inclosure TypeHERMETICALLY SEALED
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Center To Center Distance Between1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Mounting Facility Quantity6 SINGLE GROUP
Winding Shielding MethodCORE GROUNDED AND BROUGHT OUT TO TERMINAL AND INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Terminal Type And Quantity6 BINDING POST
Vendor Part Numbers42445-1
Cancelled NSN5950-00-856-6377 (cancelled)
For Use With32-5AWG (0.03-16mm2) Wires
ProducttraceabilityNo
RohscompliantNA
Product Range-
Overall Length202 mm
IscanonicalY
Hazardousfalse
Cutting Capacity Max-
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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 ST-100 available?
We can source ST-100 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 ST-100 by Magnatronix obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ST-100 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 ST-100?
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 ST-100?
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.