Standard Industries · Electronic Components
1921
Transformer, Pulse
Part Number1921
ManufacturerStandard Industries
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-113-0034 (NSN)
Federal Item NameTRANSFORMER,PULSE
Federal Supply Class5950 — Coils and Transformers
Winding Operating Current4.25 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Dc Resistance Rating In Ohms0.070 SINGLE COMPONENT SECOND SECONDARY
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Body Outside Diameter1.500 INCHES NOMINAL
Mounting Hole Diameter0.113 INCHES NOMINAL SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Pulse Repetition Rate20.0 KILOHERTZ SINGLE COMPONENT
Inductance Rating53.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Reliability IndicatorNOT ESTABLISHED
Terminal Type And Quantity6 PIN
Body Length0.750 INCHES NOMINAL
Vendor Part Numbers20191-404-1
Electrical Insulation FeatureUNINSULATED
Overall Length1.970 INCHES NOMINAL
MaterialCOPPER ALLOY FINGER
Precious Material And LocationFINGER SURFACES GOLD
Current Rating In Amps15.0
Terminal TypeTURRET
Finger TypeBANANA SPRING ALL FINGERS
Identification Code ColorBLACK
Finger Diameter0.750 INCHES NOMINAL ALL FINGERS
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 1921 available?
We can source 1921 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 1921 by Standard Industries obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1921 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 1921?
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 1921?
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.