Crydom Co. · Electronic Components
L543
MODULE SCR/DIODE 25A 280VAC PCB
Part NumberL543
ManufacturerCrydom Co.
AvailabilityAvailable to order — request a quote
Specifications
NSN6515-01-342-9182 (NSN)
Federal Item NameMANIFOLD ASSEMBLY,OXYGEN DELIVER
Special FeaturesAN OXYGEN CERTIFIED TO DISTRIBUTE UP TO FIVE THERAPEUTIC OXYGEN HOESS FROM A SINGLE INLET
SterilityNONSTERILE
Component Quantity18
Disposition After Initial UseDISPOSABLE
Nonsupply Items And QuantitiesDISS MALE INLET 1; DISS MALE OUTLET 5; CHECK VALVES 5; DUST COVERS 5; NYLON CARRYING CASE 1; DISS FEMALE TO FEMALE; DISS
Federal Supply Class6515 — Medical And Surgical Instruments, Equipment, And Supplies
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 L543 available?
We can source L543 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 L543 by Crydom Co. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If L543 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 L543?
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 L543?
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.