● 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
TE Connectivity  · Electronic Components

3EF2

FILTER LINE RFI FLANGE 3 AMP

Part Number3EF2
ManufacturerTE Connectivity
AvailabilityAvailable to order — request a quote

Specifications

Additional NSNs5935-01-581-3905
Federal Item NameFILTER,RADIO FREQUENCY INTERFERE
Overall Length1.970 INCHES NOMINAL
Overall Width0.880 INCHES NOMINAL
Overall Height1.550 INCHES MAXIMUM
Body Length1.200 INCHES NOMINAL
Power Line Frequency Rating Per Fu400.0 BLANK LOCATION NOT OTHERWISE SPECIFIED
Source Impedance Rating Per Functi50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
Functional Terminal Type And Quant1 CONNECTOR, RECEPTACLE INPUT FIRST FUNCTION; 2 TAB, SOLDER LUG OUTPUT SECOND FUNCTION
Load Impedance Per Function50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
Operating Voltage Rating And Type230.0 VOLTS AC BLANK LOCATION NOT OTHERWISE SPECIFIED
Operating Current Rating Per Funct3.0 BLANK LOCATION NOT OTHERWISE SPECIFIED
Federal Supply Class5915 — Filters And Networks
Inclosure TypeENCASED
Style DesignatorRECTANGULAR TERMINAL/TERMINALS ON ADJACENT SURFACES
Unthreaded Mounting Hole Diameter0.132 INCHES NOMINAL
Vendor Part Numbers321273
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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 3EF2 available?
We can source 3EF2 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 3EF2 by TE Connectivity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3EF2 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 3EF2?
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 3EF2?
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.