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Technical Data Sheet
SEM133D ✓ 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

SWITCH,RADIO FREQUENCY TRANSMISS. Key specifications include body_style: CYLINDRICAL W/RECTANGULAR BASE, switch_type: TRANSFER, overall_width: 1.750 INCHES NOMINAL IN, overall_height: 1.750 INCHES NOMINAL IN, overall_length: 2.700 INCHES NOMINAL IN, frequency_rating: 18.0 GIGAHERTZ NOMINAL SINGLE FREQUENCY OPERATING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-394-9906, 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
SEM133D
NSN: 5985-01-394-9906
FSC: 5985
CAGE: 99899 — NARDA HOLDINGS, INC. DBA NARDA-MITEQ DIV NARDA-MITEQ (USA)
SPECIFICATIONS
body_styleCYLINDRICAL W/RECTANGULAR BASE
switch_typeTRANSFER
overall_width1.750 INCHES NOMINAL IN
pole_quantity3
overall_height1.750 INCHES NOMINAL IN
overall_length2.700 INCHES NOMINAL IN
frequency_rating18.0 GIGAHERTZ NOMINAL SINGLE FREQUENCY OPERATING
special_featuresSUPPRESSION DIODES; TTL LOGIC
end_item_identificationDATS
actuator_operating_methodRELAY
voltage_standing_wave_ratio1.20 SINGLE
switch_return_mechanism_typeLATCHING
NSN5985-01-394-9906
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,RADIO FREQUENCY TRANSMISS TITLE COMPONENT PN SEM133D MFR SWITCH,RADIO FREQUENCY
KEY FEATURES
MOUNTING FACILITY TYPE AND QUANTITY: 4 UNTHREADED HOLE(S)
SWITCH TYPE: TRANSFER
VOLTAGE STANDING WAVE RATIO: 1.20 SINGLE
FREQUENCY RATING: 18.0 GIGAHERTZ NOMINAL SINGLE FREQUENCY OPERATING
SWITCH RETURN MECHANISM TYPE: LATCHING
ACTUATOR OPERATING METHOD: RELAY
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE(S)
SWITCH TYPETRANSFER
VOLTAGE STANDING WAVE RATIO1.20 SINGLE
END ITEM IDENTIFICATIONDATS
FREQUENCY RATING18.0 GIGAHERTZ NOMINAL SINGLE FREQUENCY OPERATING
SPECIAL FEATURESSUPPRESSION DIODES; TTL LOGIC
SWITCH RETURN MECHANISM TYPELATCHING
ACTUATOR OPERATING METHODRELAY
POLE QUANTITY3
OVERALL LENGTH2.700 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
278-24Interchangeable
interchangeable cross-reference
interchangeable
AN4-7Interchangeable
interchangeable cross-reference
interchangeable
900880K1Interchangeable
interchangeable cross-reference
interchangeable
3533Interchangeable
interchangeable cross-reference
interchangeable
400104Interchangeable
interchangeable cross-reference
interchangeable
AA7D208Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SEM133D?
SEM133D is a SWITCH,RADIO FREQUENCY TRANSMISS.
What parts can replace SEM133D?
There are 13 known substitutes for SEM133D: 278-24, AN4-7, 900880K1 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SEM133D?
SEM133D is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-394-9906. This indicates validated use in U.S. government and defense supply chains.
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