● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Switchcraft Inc.  · Electronic Components

CN12B

Jack, Telephone

Part NumberCN12B
ManufacturerSwitchcraft Inc.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameJACK,TELEPHONE
Federal Supply Class5935 — Connectors, Electrical
MaterialCOPPER ALLOY BODY
Finger Accommodation Diameter0.250 INCHES NOMINAL SINGLE FINGER
Bushing Accommodation Hole ShapeROUND
Accommodated Finger TypeTHREE CONDUCTOR, CONE TIP SINGLE FINGER
Terminal TypeTAB, SOLDER LUG
Finger Accommodation Length1.188 INCHES NOMINAL SINGLE FINGER
Thread Quantity Per Inch32
Nominal Thread Size0.375 INCHES
Bushing Thru Hole Accommodation Di0.375 INCHES NOMINAL
Thread Series DesignatorUNEF
Surface TreatmentTIN TERMINAL
ESD/EMICode A — ESD/EMI sensitive item
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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

Frequently asked

Is CN12B available?
We can source CN12B 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 CN12B by Switchcraft Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CN12B 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 CN12B?
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 CN12B?
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.