Eaton Corporation · Electronic Components
H19
Heater, Thermal Release
Part NumberH19
ManufacturerEaton Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-00-421-8998 (NSN)
Federal Item NameHEATER,THERMAL RELEASE
Federal Supply Class5999 — Miscellaneous Electrical Components
MaterialNICKEL ALLOY
Overall Width0.380 INCHES NOMINAL
Overall Height1.190 INCHES NOMINAL
Overall Length1.840 INCHES NOMINAL
Vendor Part Numbers503C553G19, 68A75B384-1
Reliability IndicatorNOT ESTABLISHED
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Body Height2.312 INCHES NOMINAL
Center To Center Distance Between1.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Impedance Rating In Ohms500.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeHERMETICALLY SEALED
Body Width1.625 INCHES NOMINAL
Frequency Rating30.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Primary To Secondary Turn Ratio1 TO 14 SINGLE COMPONENT
Maximum Transformer Power Rating6.0 DECIBELS 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 H19 available?
We can source H19 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 H19 by Eaton Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If H19 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 H19?
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 H19?
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.