Technical Services Laboratory · Electronic Components
BPF21-4-4000-3
Filter, Band Pass
Part NumberBPF21-4-4000-3
ManufacturerTechnical Services Laboratory
AvailabilityAvailable to order — request a quote
Specifications
NSN5915-00-034-1031 (NSN)
Federal Item NameFILTER,BAND PASS
Federal Supply Class5915 — Filters and Networks
Frequency Band Width Per Function19.40 MEGAHERTZ BLANK AND 23.40 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
Output Impedance Per Function W So300.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
Source Impedance Rating Per Functi300.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
Body MaterialMETAL
Load Impedance Per Function300.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
Insertion Loss At Reference Freque3.0 BLANK LOCATION NOT OTHERWISE SPECIFIED
Reference Frequency Per Function21.4 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
Input Impedance Per Function W Loa300.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
Principal Circuitry Type Per FunctINDUCTANCE-CAPACITANCE BLANK LOCATION NOT OTHERWISE SPECIFIED
Inclosure TypeENCASED
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 BPF21-4-4000-3 available?
We can source BPF21-4-4000-3 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 BPF21-4-4000-3 by Technical Services Laboratory obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If BPF21-4-4000-3 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 BPF21-4-4000-3?
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 BPF21-4-4000-3?
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.