DF-1246 — ATTENUATOR,VARIABLE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

DF-1246: ATTENUATOR,VARIABLE.

The ATTENUATOR,VARIABLE is a the manufacturer industrial component. Key specifications include body_style: COAXIAL TYPE, power_rating: 100.0 MILLIWATTS AVERAGE AND 60.0 WATTS PEAK, overall_width: 4.000 INCHES NOMINAL IN, overall_height: 0.560 INCHES NOMINAL IN, overall_length: 4.500 INCHES NOMINAL IN, frequency_range: 0.950 GIGAHERTZ MINIMUM AND 1.250 GIGAHERTZ MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-449-5405, 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

DF-1246

NSN: 5985-01-449-5405
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 64537 — CAES SYSTEMS LLC (USA)

SPECIFICATIONS

body_style	COAXIAL TYPE
power_rating	100.0 MILLIWATTS AVERAGE AND 60.0 WATTS PEAK
overall_width	4.000 INCHES NOMINAL IN
overall_height	0.560 INCHES NOMINAL IN
overall_length	4.500 INCHES NOMINAL IN
frequency_range	0.950 GIGAHERTZ MINIMUM AND 1.250 GIGAHERTZ MAXIMUM
application_design	TRANSMISSION LINE
impedance_rating_in_ohms	50.0 INPUT-OUTPUT
terminal_type_and_quantity	1 CONNECTOR, RECEPTACLE AND 2 CONNECTOR, COAXIAL, FEMALE
voltage_standing_wave_ratio	1.50
attenuation_variation_method	CONTINUOUS
unthreaded_mounting_hole_diameter	0.125 INCHES NOMINAL IN
NSN	5985-01-449-5405

COMPONENT DIAGRAM

KEY FEATURES

•

INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS: 3.0

•

IMPEDANCE RATING IN OHMS: 50.0 INPUT-OUTPUT

•

MOUNTING FACILITY TYPE AND QUANTITY: 3 UNTHREADED HOLE(S)

•

FREQUENCY RANGE: 0.950 GIGAHERTZ MINIMUM AND 1.250 GIGAHERTZ MAXIMUM

•

BODY STYLE: COAXIAL TYPE

•

ADJUSTMENT DEVICE TYPE AND QUANTITY: 1 ELECTRONIC, VOLTAGE CONTROLLED

•

OVERALL ATTENUATION RANGE IN DECIBELS: +0.0 TO 32.0

TECHNICAL CHARACTERISTICS

INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS	3.0
IMPEDANCE RATING IN OHMS	50.0 INPUT-OUTPUT
MOUNTING FACILITY TYPE AND QUANTITY	3 UNTHREADED HOLE(S)
OVERALL HEIGHT	0.560 INCHES NOMINAL IN
FREQUENCY RANGE	0.950 GIGAHERTZ MINIMUM AND 1.250 GIGAHERTZ MAXIMUM
BODY STYLE	COAXIAL TYPE
ADJUSTMENT DEVICE TYPE AND QUANTITY	1 ELECTRONIC, VOLTAGE CONTROLLED
OVERALL ATTENUATION RANGE IN DECIBELS	+0.0 TO 32.0
VOLTAGE STANDING WAVE RATIO	1.50
UNTHREADED MOUNTING HOLE DIAMETER	0.125 INCHES NOMINAL IN

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

C20664-1Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

DF-32Reference document

Same NSN cross-reference

Reference document — Secondary reference

C20664Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is DF-1246?

DF-1246 is a ATTENUATOR,VARIABLE.

What parts can replace DF-1246?

There are 3 known substitutes for DF-1246: C20664-1, DF-32, C20664. Substitute compatibility should be verified for your specific system.

What is the NSN for DF-1246?

DF-1246 is cataloged in the U.S. Government catalog under NSN 5985-01-449-5405. This indicates validated use in U.S. government and defense supply chains.

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