Magnetic Circuit Elements Inc. · Electronic Components
CB1057L1
Reactor — Coils and Transformers
Part NumberCB1057L1
ManufacturerMagnetic Circuit Elements Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-978-1441 (NSN)
Federal Item NameREACTOR
Federal Supply Class5950 — Coils and Transformers
Winding Quantity1 SINGLE COMPONENT
Winding Operating Current508.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Dc Resistance Rating In Ohms1.400 SINGLE COMPONENT SINGLE WINDING
Terminal Type And Quantity2 CONNECTOR, RECEPTACLE
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Thread Quantity Per Inch40 SINGLE GROUP
Body Height1.125 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Body Length1.250 INCHES NOMINAL
Nominal Thread Size0.112 INCHES SINGLE GROUP
Vendor Part Numbers21-009092-01
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 CB1057L1 available?
We can source CB1057L1 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 CB1057L1 by Magnetic Circuit Elements Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CB1057L1 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 CB1057L1?
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 CB1057L1?
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.