Bruel & Kjaer Uk Ltd. · Electronic Components
4135
Microphone Element
Part Number4135
ManufacturerBruel & Kjaer Uk Ltd.
AvailabilityAvailable to order — request a quote
Specifications
NSN5965-00-412-3185 (NSN)
Federal Item NameMICROPHONE ELEMENT
Federal Supply Class5965 — Headsets, Microphones, and Speakers
Terminal TypeSURFACE CONTACT
Polarity ConnectionREQUIRED
Impedance Rating6.4 PICOFARADS NOMINAL
Element TypeCAPACITOR
Diameter0.250 INCHES NOMINAL
Height0.350 INCHES NOMINAL
Output Sensitivity Rating Referenc1 VOLT PER MICROBAR
Sound Pickup Directional TypeOMNIDIRECTIONAL
Output Sensitivity Rating In Decib-74.0
Frequency Response Range In Hertz+30.0 TO 100000.0
Output Ac Voltage Rating200.0 MICROVOLTS NOMINAL
Style DesignatorAXIAL TERMINAL EACH END
Inclosure TypeENCAPSULATED
Power Dissipation Rating In Watts1.000 FREE AIR
Body Diameter0.125 INCHES NOMINAL
Body Length0.562 INCHES NOMINAL
Electrical Resistance3.000 KILOHMS
Resistance Tolerance In Percent-5.000 TO 5.000
Vendor Part Numbers995-1A302J
Terminal Length0.400 INCHES NOMINAL
Mounting MethodTERMINAL
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 4135 available?
We can source 4135 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 4135 by Bruel & Kjaer Uk Ltd. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4135 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 4135?
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 4135?
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.