MIL-SPEC · Electronic Components
TF190FPS20
Transformer, Power
Part NumberTF190FPS20
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-646-0066 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Frequency Rating55.0 HERTZ MINIMUM AND 65.0 HERTZ MAXIMUM SINGLE COMPONENT
Center To Center Distance Between25.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Winding Operating Current1.2 AMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY
Transformer Winding Connection TypDELTA-WYE
Winding Operating Voltage208.00 AC VOLTS MINIMUM AND 250.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Terminal Type And Quantity9 STANDOFF, THREADED STUD
Input Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Body Length26.500 INCHES NOMINAL
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Mounting Facility Quantity6 SINGLE GROUP
Inclosure TypeHERMETICALLY SEALED WITH OIL
Vendor Part NumbersN291812-1
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 TF190FPS20 available?
We can source TF190FPS20 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 TF190FPS20 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If TF190FPS20 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 TF190FPS20?
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 TF190FPS20?
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.