Joslyn Clark Controls · Electronic Components
TB103-20
Coil, Electrical
Part NumberTB103-20
ManufacturerJoslyn Clark Controls
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-067-2220 (NSN)
Federal Item NameCOIL,ELECTRICAL
Federal Supply Class5950 — Coils and Transformers
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Mounting Facility Quantity2 SINGLE GROUP
Nominal Thread Size0.250 INCHES SINGLE GROUP
Terminal Type And Quantity2 WIRE LEAD W/CLAMP
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Winding Operating Voltage208.00 DC VOLTS NOMINAL SINGLE COMPONENT SINGLE WINDING
Body Length0.712 INCHES NOMINAL
Body Height0.687 INCHES NOMINAL
Body Width0.275 INCHES NOMINAL
Thread Quantity Per Inch20 SINGLE GROUP
Winding Quantity1 SINGLE COMPONENT
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 TB103-20 available?
We can source TB103-20 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 TB103-20 by Joslyn Clark Controls obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If TB103-20 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 TB103-20?
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 TB103-20?
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.