Microsemi Corp. - High Performance Timing · Electronic Components
MC-745A1-1.9MHZ
Oscillator, Crystal Controlled
Part NumberMC-745A1-1.9MHZ
ManufacturerMicrosemi Corp. - High Performance Timing
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-01-254-2225 (NSN)
Federal Item NameOSCILLATOR,CRYSTAL CONTROLLED
Federal Supply Class5955 — Crystals and Oscillators
Overall Height0.450 INCHES NOMINAL
Inclosure TypeHERMETICALLY SEALED
Environmental ProtectionMOISTURE PROOF
Identification Designator0N298609-1-98230
Installation DesignMODULE
Operating Control MethodAUTOMATIC
Overall Width0.520 INCHES MAXIMUM
Connection Contact Type And Quanti4 PIN EXTERNAL
Basic Shape StyleRECTANGULAR OR SQUARE
Average Life MeasurementNOT RATED
Connection TypePIN BOTTOM
Vendor Part NumbersC14R5H2/883B-1.9MHZ, 0N298609-1
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 MC-745A1-1.9MHZ available?
We can source MC-745A1-1.9MHZ 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 MC-745A1-1.9MHZ by Microsemi Corp. - High Performance Timing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MC-745A1-1.9MHZ 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 MC-745A1-1.9MHZ?
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 MC-745A1-1.9MHZ?
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.