CMCS0445 — SWITCH,RADIO FREQUENCY TRANSMISS

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

CMCS0445: SWITCH,RADIO FREQUENCY TRANSMISS.

SWITCH,RADIO FREQUENCY TRANSMISS. Key specifications include body_style: RECTANGULAR, switch_type: NONTRANSFER, overall_width: 0.300 INCHES NOMINAL IN, overall_height: 1.750 INCHES NOMINAL IN, overall_length: 1.875 INCHES NOMINAL IN, switching_time: 0.5 MICROSECONDS US. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-390-1308, 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

CMCS0445

NSN: 5985-01-390-1308
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 7W858 — CUSTOM MICROWAVE COMPONENTS, INC DBA CUSTOM MICROWAVE COMPONENTS INC (USA)

SPECIFICATIONS

body_style	RECTANGULAR
switch_type	NONTRANSFER
overall_width	0.300 INCHES NOMINAL IN
pole_quantity	1
overall_height	1.750 INCHES NOMINAL IN
overall_length	1.875 INCHES NOMINAL IN
switching_time	0.5 MICROSECONDS US
throw_quantity	2
frequency_rating	0.4 GIGAHERTZ MINIMUM AND 18.1 GIGAHERTZ MAXIMUM SINGLE FREQUENCY INSERTION LOSS REFERENCE
operating_temp_range	-30.0 TO 75.0 CELSIUS DEGC
actuator_operating_method	SOLID STATE
mounting_facility_pattern	FOUR POSITION TRAPEZOID SINGLE MOUNTING FACILITY PATTERN
NSN	5985-01-390-1308

COMPONENT DIAGRAM

KEY FEATURES

•

SWITCHING TIME: 0.5 MICROSECONDS US

•

MOUNTING FACILITY TYPE AND QUANTITY: 4 UNTHREADED HOLE(S)

•

BODY STYLE: RECTANGULAR

•

MOUNTING FACILITY PATTERN: FOUR POSITION TRAPEZOID SINGLE MOUNTING FACILITY PATTERN

•

VOLTAGE STANDING WAVE RATIO: 2.00 SINGLE

•

UNTHREADED MOUNTING HOLE DIAMETER: 0.094 INCHES NOMINAL IN

•

POLE QUANTITY: 1

TECHNICAL CHARACTERISTICS

SWITCHING TIME	0.5 MICROSECONDS US
MOUNTING FACILITY TYPE AND QUANTITY	4 UNTHREADED HOLE(S)
OVERALL HEIGHT	1.750 INCHES NOMINAL IN
BODY STYLE	RECTANGULAR
MOUNTING FACILITY PATTERN	FOUR POSITION TRAPEZOID SINGLE MOUNTING FACILITY PATTERN
VOLTAGE STANDING WAVE RATIO	2.00 SINGLE
UNTHREADED MOUNTING HOLE DIAMETER	0.094 INCHES NOMINAL IN
POLE QUANTITY	1
LONGEST VERTICAL DISTANCE BETWEEN MOUNTING CENTERS	0.380 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN
SWITCH RETURN MECHANISM TYPE	FAIL-SAFE

OTHER ITEMS IN FSC 5985 — Antennas, Waveguides, and Related Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5985-00-001-1854 5985-00-001-1862 5985-00-001-1869 5985-00-001-1870 5985-00-001-1871 5985-00-001-1874 5985-00-001-1875 5985-00-001-1876

SUBSTITUTES & CROSS-REFERENCES 3

658378-002Reference document

Same NSN cross-reference

Reference document — Secondary reference

SW-2181-2A-305-658378-002Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

SW-2181-2A-305Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedDemilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is CMCS0445?

CMCS0445 is a SWITCH,RADIO FREQUENCY TRANSMISS.

What parts can replace CMCS0445?

There are 3 known substitutes for CMCS0445: 658378-002, SW-2181-2A-305-658378-002, SW-2181-2A-305. Substitute compatibility should be verified for your specific system.

What is the NSN for CMCS0445?

CMCS0445 is cataloged in the U.S. Government catalog under NSN 5985-01-390-1308. This indicates validated use in U.S. government and defense supply chains.

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