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PartsTable / COMPONENT / BR12K2KB9-0-5-4 5
BR12K2KB9-0-5-4 5 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include duty_type: CONTINUOUS, time_delay: 0.015 SECONDS NOMINAL FIXED OPERATE AND RELEASE TIME, overall_width: 0.400 INCHES NOMINAL IN, overall_height: 0.790 INCHES NOMINAL IN, overall_length: 1.270 INCHES NOMINAL IN, features_provided: POLARIZED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-904-9755, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
BR12K2KB9-0-5-4 5
NSN: 5945-00-904-9755
FSC: 5945
CAGE: 56623 — MICROSEMI CORP.-POWER MANAGEMENT GROUP (USA)
SPECIFICATIONS
duty_typeCONTINUOUS
time_delay0.015 SECONDS NOMINAL FIXED OPERATE AND RELEASE TIME
coil_quantity1
overall_width0.400 INCHES NOMINAL IN
overall_height0.790 INCHES NOMINAL IN
overall_length1.270 INCHES NOMINAL IN
winding_quantity1
features_providedPOLARIZED
environmental_protectionHERMETIC
mounting_facility_patternIN-LINE SINGLE MOUNTING FACILITY
terminal_type_and_quantity8 PIN ALL FUNCTIONS
winding_dc_resistance_rating2.0 KILOHMS NOMINAL SINGLE WINDING
NSN5945-00-904-9755
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,ELECTROMAGNETIC TITLE COMPONENT PN BR12K2KB9-0-5-4 5 MFR RELAY,ELECTROMAGNETIC
KEY FEATURES
•
TIME DELAY: 0.015 SECONDS NOMINAL FIXED OPERATE AND RELEASE TIME
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
•
NONPILE-UP MAIN CONTACT ARRANGEMENT: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
•
ENVIRONMENTAL PROTECTION: HERMETIC
•
FEATURES PROVIDED: POLARIZED
•
NOMINAL OPERATING CURRENT RATING AND TYPE: 9.0 MILLIAMPERES DC SINGLE WINDING
TECHNICAL CHARACTERISTICS (FLIS)
TIME DELAY0.015 SECONDS NOMINAL FIXED OPERATE AND RELEASE TIME
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
NONPILE-UP MAIN CONTACT ARRANGEMENT2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
MOUNTING FACILITY TYPE AND QUANTITY2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
OVERALL WIDTH0.400 INCHES NOMINAL IN
ENVIRONMENTAL PROTECTIONHERMETIC
FEATURES PROVIDEDPOLARIZED
NOMINAL OPERATING CURRENT RATING AND TYPE9.0 MILLIAMPERES DC SINGLE WINDING
MAIN CONTACT MAXIMUM VOLTAGE RATING IN VOLTS28.0 DC
UNTHREADED MOUNTING HOLE DIAMETER0.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
385B207H01Interchangeable
interchangeable cross-reference
interchangeable
SM-B-651053Interchangeable
interchangeable cross-reference
interchangeable
2229Interchangeable
interchangeable cross-reference
interchangeable
274485PC16Interchangeable
interchangeable cross-reference
interchangeable
2-229N1000-70Interchangeable
interchangeable cross-reference
interchangeable
AS568-229Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BR12K2KB9-0-5-4 5?
BR12K2KB9-0-5-4 5 is a RELAY,ELECTROMAGNETIC.
What parts can replace BR12K2KB9-0-5-4 5?
There are 20 known substitutes for BR12K2KB9-0-5-4 5: 385B207H01, SM-B-651053, 2229 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BR12K2KB9-0-5-4 5?
BR12K2KB9-0-5-4 5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-904-9755. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026