Cryogenic Attenuators

Amphenol XMA Cryogenic Attenuators are linear, passive transmission line components designed to lower the input power in a matched system. These attenuators offer a power range of 0.5W to 2W, a frequency range of 18GHz to 40GHz, and up to 30 coupling options. Amphenol XMA Cryogenic Attenuators feature state-of-the-art thermalization methods, tight tolerancing, and numerous shapes and materials to fit various applications.

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Description Datasheet Availability Pricing (TWD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Connector Type
Maximum Attenuation
Power Rating
Gender
Impedance
VSWR
Maximum Operating Temperature
Packaging
Amphenol XMA Attenuators - Interconnects Attenuator, SMA-m/f, DC-18GHz, 2W, 20dB
Datasheet
9Expected 11/5/2026
Min.: 1
Mult.: 1
No
SMA 2 W Male / Female 50 Ohms 1.35:1 + 125 C Bulk
Amphenol XMA Attenuators - Interconnects Atten, SMA-m/f Copper DC-18GHz, 1W, 30dB
Datasheet
Lead-Time 9 Weeks
Min.: 1
Mult.: 1
No
SMA 2 W Male / Female 50 Ohms 1.35:1 + 125 C Bulk
Amphenol XMA Attenuators - Interconnects Atten, SMA-m/f, 18GHz, 2W, 3dB
Datasheet
Lead-Time 9 Weeks
Min.: 1
Mult.: 1
No
SMA 3 dB 2 W Male / Female 50 Ohms 1.35:1 + 125 C Bulk
Amphenol XMA Attenuators - Interconnects Atten, SMA-m/f, 18GHz, 2W, 6dB
Datasheet
Non-Stocked Lead-Time 9 Weeks
Min.: 1
Mult.: 1
No
SMA 6 dB 2 W Male / Female 50 Ohms 1.35:1 + 125 C Bulk
Amphenol XMA Attenuators - Interconnects Atten, SMA-m/f, 18GHz, 2W, 30dB
Datasheet
Non-Stocked Lead-Time 9 Weeks
Min.: 1
Mult.: 1
No
SMA 30 dB 2 W Male / Female 50 Ohms 1.35:1 + 125 C Bulk
Amphenol XMA Attenuators - Interconnects Attenuator, SMA-m/f, DC-26.5GHz, 2W, 3dB
Datasheet
Non-Stocked Lead-Time 9 Weeks
Min.: 1
Mult.: 1
No
SMA 1 dB 2 W Male / Female 50 Ohms 1.50:1 + 125 C Bulk
Amphenol XMA Attenuators - Interconnects Attenuator, SMA-m/f, DC-26.5GHz, 2W 6dB
Datasheet
Lead-Time 9 Weeks
Min.: 1
Mult.: 1
No
SMA 6 dB 2 W Male / Female 50 Ohms 1.50:1 + 125 C Bulk
Amphenol XMA Attenuators - Interconnects Attenuator 2.92mm 30 dB DC-40GHz, 1W
Datasheet
Lead-Time 9 Weeks
Min.: 1
Mult.: 1
No
2.92 mm 30 dB 1 W Female / Female 1.40:1 + 125 C Bulk
Amphenol XMA Attenuators - Interconnects Atten, 2.92mm-m/f, DC-40GHz, 0.5W, 6dB
Datasheet
Lead-Time 9 Weeks
Min.: 1
Mult.: 1
No
2.92 mm 6 dB 500 mW Male / Female 50 Ohms 1.40:1 + 125 C Bulk
Amphenol XMA Attenuators - Interconnects Atten, 2.92mm-m/f, 40GHz, 1W, 6dB
Datasheet
Lead-Time 9 Weeks
Min.: 1
Mult.: 1
No
2.92 mm 6 dB 1 W Male / Female 50 Ohms 1.40:1 + 125 C Bulk
Amphenol XMA Attenuators - Interconnects Attenuator, 2.92mm-m/f, 40GHz, 1W, CRYO, SS, round, 30dB
Datasheet
Non-Stocked
Min.: 1
Mult.: 1
No
2.92 mm 30 dB 1 W Male / Female 50 Ohms 1.40:1 + 125 C Bulk