SemiGen


RF/Microwave Fixed Attenuator Pads

SemiGen fixed attenuator pads feature precise resistor films and superior metalization resulting in superior performance and consistency. Our advanced thin-film technology allows our parts to have full side wraps for SMT installation and a complete grounding backside for ease in attachment, as no ground bonding is requried. Top side contacts for the input and output make these ideal for standard RF/microwave assembly techniques. They are available as MIL PRF 38534 “H” & “K” space screened units. Custom values are easy to fabricate and design allowing users to design in a specific value of choice.

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Part Number Value (dB) IL (dB) RL (dB)
SFAP-1db 1 +/- .20 >18
SFAP-2db 2 +/- .20 >18
SFAP-3db 3 +/- .20 >18
SFAP-4db 4 +/- .20 >18
SFAP-5db 5 +/- .20 >18
SFAP-6db 6 +/- .25 >18
SFAP-7db 7 +/- .25 >18
SFAP-8db 8 +/- .25 >18
SFAP-9db 9 +/- .25 >18
SFAP-10db 10 +/- .25 >18
SFAP-11db 11 +/- .30 >18
SFAP-12db 12 +/- .30 >18
SFAP-13db 13 +/- .30 >18
SFAP-14db 14 +/- .30 >18
SFAP-15db 15 +/- .30 >18
SFAP-16db 16 +/- .40 >18
SFAP-17db 17 +/- .40 >18
SFAP-18db 18 +/- .40 >18
SFAP-19db 19 +/- .40 >18
SFAP-20db 20 +/- .40 >18
SFAP-21db 21 +/- .50 >18
SFAP-22db 22 +/- .50 >18
SFAP-23db 23 +/- .50 >18
SFAP-24db 24 +/- .50 >18
SFAP-25db 25 +/- .50 >18
SFAP-26db 26 +/- .60 >18
SFAP-27db 27 +/- .60 >18
SFAP-28db 28 +/- .60 >18
SFAP-29db 29 +/- .60 >18
SFAP-30db 30 +/- .60 >18
SFAP-35db 35 +/- .70 >18
SFAP-40db 40 +/- .80 >18
SFAP-50db 50 +/- 1.0 >18
SFAP-75db 75 +/- 1.50 >18
SFAP-100db 100 +/- 2.00 >18

Features:

  • Medium- to High-Power Handling 1W to 5W CW
  • Flat Response from DC to 20 GHz
  • Return Loss >18 dB DC to 14 GHz
  • Return Loss >16 dB 15 GHz to 20 GHz
  • Temp Stable TCR <100 PPM
  • Chip Size .030" X .030" on most all designs
  • Available as MIL PRF 38534 “H” & “K” space screened units

Applications:
These attenuator pads are the perfect solution for a wide range of applications including microwave radio, military subsystems, fiber optics, scientific instruments and sensor applications up to 20 GHz.

 

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