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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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Part #

Attenuators - Interconnects Atten, SMA-m/f, 18GHz, 2W, 0dB

2082-6040-00-CRYO
Amphenol XMA
1: 109.33 CHF
11Expected 03/09/2026

Mfr. Part No.
2082-6040-00-CRYO

Mouser Part No
523-2082-6040-00CRYO

Attenuators - Interconnects Atten, SMA-m/f, 18GHz, 2W, 0dB

Datasheet

11Expected 03/09/2026

109.33 CHF

92.93 CHF

87.12 CHF

82.96 CHF

Min.: 1
Mult.: 1

No

SMA

0 dB

2 W

Male / Female

50 Ohms

1.35:1

+ 125 C

Bulk

Attenuators - Interconnects Atten, SMA-m/f Copper DC-18GHz, 1W, 30dB

2082-6051C-30-CRYO
Amphenol XMA
1: 659.87 CHF
Lead-Time 9 Weeks

Mfr. Part No.
2082-6051C-30-CRYO

Mouser Part No
523-2082-6051C30CRYO

Attenuators - Interconnects Atten, SMA-m/f Copper DC-18GHz, 1W, 30dB

Datasheet

Lead-Time 9 Weeks

659.87 CHF

589.91 CHF

Min.: 1
Mult.: 1

No

SMA

2 W

Male / Female

50 Ohms

1.35:1

+ 125 C

Bulk

Attenuators - Interconnects Atten, SMA-m/f, 18GHz, 2W, 3dB

2082-6240-03-CRYO
Amphenol XMA
1: 129.61 CHF
Lead-Time 9 Weeks

Mfr. Part No.
2082-6240-03-CRYO

Mouser Part No
523-2082-6240-03CRYO

Attenuators - Interconnects Atten, SMA-m/f, 18GHz, 2W, 3dB

Datasheet

Lead-Time 9 Weeks

129.61 CHF

110.18 CHF

103.28 CHF

99.48 CHF

Min.: 1
Mult.: 1

No

SMA

3 dB

2 W

Male / Female

50 Ohms

1.35:1

+ 125 C

Bulk

Attenuators - Interconnects Atten, SMA-m/f, 18GHz, 2W, 6dB

2082-6241-06-CRYO
Amphenol XMA
1: 129.61 CHF
Non-Stocked Lead-Time 9 Weeks

Mfr. Part No.
2082-6241-06-CRYO

Mouser Part No
523-2082-6241-06CRYO

Attenuators - Interconnects Atten, SMA-m/f, 18GHz, 2W, 6dB

Datasheet

Non-Stocked Lead-Time 9 Weeks

129.61 CHF

110.18 CHF

103.28 CHF

99.48 CHF

Min.: 1
Mult.: 1

No

SMA

6 dB

2 W

Male / Female

50 Ohms

1.35:1

+ 125 C

Bulk

Attenuators - Interconnects Atten, SMA-m/f, 18GHz, 2W, 30dB

2082-6244-30-CRYO
Amphenol XMA
1: 129.61 CHF
Non-Stocked Lead-Time 9 Weeks

Mfr. Part No.
2082-6244-30-CRYO

Mouser Part No
523-2082-6244-30CRYO

Attenuators - Interconnects Atten, SMA-m/f, 18GHz, 2W, 30dB

Datasheet

Non-Stocked Lead-Time 9 Weeks

129.61 CHF

110.18 CHF

103.28 CHF

99.48 CHF

Min.: 1
Mult.: 1

No

SMA

30 dB

2 W

Male / Female

50 Ohms

1.35:1

+ 125 C

Bulk

Attenuators - Interconnects Attenuator, SMA-m/f, DC-26.5GHz, 2W, 3dB

2682-6460-03-CRYO
Amphenol XMA
1: 317.95 CHF
Non-Stocked Lead-Time 9 Weeks

Mfr. Part No.
2682-6460-03-CRYO

Mouser Part No
523-2682-6460-03CRYO

Attenuators - Interconnects Attenuator, SMA-m/f, DC-26.5GHz, 2W, 3dB

Datasheet

Non-Stocked Lead-Time 9 Weeks

317.95 CHF

270.31 CHF

265.46 CHF

Min.: 1
Mult.: 1

No

SMA

1 dB

2 W

Male / Female

50 Ohms

1.50:1

+ 125 C

Bulk

Attenuators - Interconnects Attenuator, SMA-m/f, DC-26.5GHz, 2W 6dB

2682-6460-06-CRYO
Amphenol XMA
1: 317.95 CHF
Lead-Time 9 Weeks

Mfr. Part No.
2682-6460-06-CRYO

Mouser Part No
523-2682-6460-06CRYO

Attenuators - Interconnects Attenuator, SMA-m/f, DC-26.5GHz, 2W 6dB

Datasheet

Lead-Time 9 Weeks

317.95 CHF

270.31 CHF

265.46 CHF

Min.: 1
Mult.: 1

No

SMA

6 dB

2 W

Male / Female

50 Ohms

1.50:1

+ 125 C

Bulk

Attenuators - Interconnects Attenuator 2.92mm 30 dB DC-40GHz, 1W

4880-5522-30-CRYO
Amphenol XMA
1: 439.31 CHF
Lead-Time 9 Weeks

Mfr. Part No.
4880-5522-30-CRYO

Mouser Part No
523-4880-5522-30CRYO

Attenuators - Interconnects Attenuator 2.92mm 30 dB DC-40GHz, 1W

Datasheet

Lead-Time 9 Weeks

439.31 CHF

378.05 CHF

Min.: 1
Mult.: 1

No

2.92 mm

30 dB

1 W

Female / Female

1.40:1

+ 125 C

Bulk

Attenuators - Interconnects Atten, 2.92mm-m/f, DC-40GHz, 0.5W, 6dB

4882-6040-06-CRYO
Amphenol XMA
1: 364.37 CHF
Lead-Time 9 Weeks

Mfr. Part No.
4882-6040-06-CRYO

Mouser Part No
523-4882-6040-06CRYO

Attenuators - Interconnects Atten, 2.92mm-m/f, DC-40GHz, 0.5W, 6dB

Datasheet

Lead-Time 9 Weeks

364.37 CHF

309.79 CHF

308.13 CHF

Min.: 1
Mult.: 1

No

2.92 mm

6 dB

500 mW

Male / Female

50 Ohms

1.40:1

+ 125 C

Bulk

Attenuators - Interconnects Atten, 2.92mm-m/f, 40GHz, 1W, 6dB

4882-6140-06-CRYO
Amphenol XMA
1: 364.37 CHF
Lead-Time 9 Weeks

Mfr. Part No.
4882-6140-06-CRYO

Mouser Part No
523-4882-6140-06CRYO

Attenuators - Interconnects Atten, 2.92mm-m/f, 40GHz, 1W, 6dB

Datasheet

Lead-Time 9 Weeks

364.37 CHF

309.79 CHF

308.13 CHF

Min.: 1
Mult.: 1

No

2.92 mm

6 dB

1 W

Male / Female

50 Ohms

1.40:1

+ 125 C

Bulk

Attenuators - Interconnects Attenuator, 2.92mm-m/f, 40GHz, 1W, CRYO, SS, round, 30dB

4882-6140-30-CRYO
Amphenol XMA
1: 232.46 CHF
Non-Stocked

Mfr. Part No.
4882-6140-30-CRYO

Mouser Part No
523-4882-6140-30CRYO

Attenuators - Interconnects Attenuator, 2.92mm-m/f, 40GHz, 1W, CRYO, SS, round, 30dB

Datasheet

Non-Stocked

232.46 CHF

220.51 CHF

213.14 CHF

Min.: 1
Mult.: 1

No

2.92 mm

30 dB

1 W

Male / Female

50 Ohms

1.40:1

+ 125 C

Bulk