Bliley Technologies Inc. · Electronic Components
B621-3
Crystal Unit, Quartz
Part NumberB621-3
ManufacturerBliley Technologies Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-840-3690 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Terminal Diameter0.030 INCHES NOMINAL
Center To Center Distance Between0.486 INCHES NOMINAL
Load Capacitance In Picofarads7.0 MAXIMUM
Drive Level Rating2.0 MILLIWATTS NOMINAL
Specified Frequency635.800 KILOHERTZ
Operating Temp Range-30.0 TO 70.0 CELSIUS
Mode Of OscillationFUNDAMENTAL
Style DesignatorOVAL BODY, PIN TERMINALS
Overall Width0.757 INCHES NOMINAL
Body Length0.767 INCHES NOMINAL
Overall Thickness0.352 INCHES NOMINAL
Vendor Part Numbers712730-25
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 B621-3 available?
We can source B621-3 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 B621-3 by Bliley Technologies Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B621-3 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 B621-3?
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 B621-3?
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.