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UltraCMOS® RF Digital Step Attenuators

pSemi UltraCMOS® RF Digital Step Attenuators (DSAs) offer flexibility and performance for wireless and broadband infrastructure equipment, LMRs, test-and-measurement equipment, and military RF applications. The UltraCMOS RF DSAs are offered in 50Ω and 75Ω variants, with multiple programming mode options, including serial, direct parallel, and latched parallel, making it easy to design them into a wide range of systems. These devices offer best-in-class linearity, outstanding attenuation accuracy, and low insertion loss.

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Results: 12

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Part #

Attenuators Flip Chip Die

PE43508A-V
pSemi
1: $101.77
195In Stock

Mfr. Part No.
PE43508A-V

Mouser Part No
81-PE43508A-V

pSemi

Attenuators Flip Chip Die

Datasheet

195In Stock

Cut Tape

$101.77

$81.35

Reel

$66.63

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

Die

31.5 dB

55 GHz

50 Ohms

6 bit

1 Channel

1 dB

Attenuators Green 20 lead 4x4 QFN

PE4314B-Z
pSemi
1: $4.33
1,980In Stock

Mfr. Part No.
PE4314B-Z

Mouser Part No
81-PE4314B-Z

pSemi

Attenuators Green 20 lead 4x4 QFN

Datasheet

1,980In Stock

Cut Tape

$4.33

$3.04

$2.01

$1.80

Reel

$1.80

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

QFN-20

31.5 dB

2.5 GHz

75 Ohms

6 bit

1 Channel

0.5 dB

Attenuators Green 24 lead 4x4 QFN

PE43650A-Z
pSemi
1: $2.44
10,812In Stock

Mfr. Part No.
PE43650A-Z

Mouser Part No
81-PE43650A-Z

pSemi

Attenuators Green 24 lead 4x4 QFN

Datasheet

10,812In Stock

Cut Tape

$2.44

$1.95

$1.47

$1.33

Reel

$1.33

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

QFN-24

15.5 dB

6 GHz

50 Ohms

5 bit

1 Channel

0.5 dB

Attenuators 32 lead 5X5 QFN

PE43704B-Z
pSemi
1: $17.84
4,336In Stock

Mfr. Part No.
PE43704B-Z

Mouser Part No
81-PE43704B-Z

pSemi

Attenuators 32 lead 5X5 QFN

Datasheet

4,336In Stock

Cut Tape

$17.84

$16.20

$15.15

Reel

$15.15

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

QFN-32

31.75 dB

8 GHz

50 Ohms

7 bit

1 Channel

0.25 dB

Attenuators 32 lead 5X5 QFN

PE43705B-Z
pSemi
1: $15.43
2,425In Stock

Mfr. Part No.
PE43705B-Z

Mouser Part No
81-PE43705B-Z

pSemi

Attenuators 32 lead 5X5 QFN

Datasheet

2,425In Stock

Cut Tape

$15.43

$10.78

$7.19

$5.98

Reel

$5.98

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

31.75 dB

8 GHz

50 Ohms

7 bit

1 Channel

0.25 dB

Attenuators Green 24 lead 4x4 QFN

PE43711B-Z
pSemi
1: $9.08
10,880In Stock

Mfr. Part No.
PE43711B-Z

Mouser Part No
81-PE43711B-Z

pSemi

Attenuators Green 24 lead 4x4 QFN

Datasheet

10,880In Stock

Cut Tape

$9.08

$6.34

$4.23

$3.51

Reel

$3.51

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

QFN-24

31.75 dB

6 GHz

50 Ohms

7 bit

1 Channel

1 dB

Attenuators Green 32 lead 5x5 QFN

PE43713B-Z
pSemi
1: $30.73
1,689In Stock

Mfr. Part No.
PE43713B-Z

Mouser Part No
81-PE43713B-Z

pSemi

Attenuators Green 32 lead 5x5 QFN

Datasheet

1,689In Stock

Cut Tape

$30.73

$21.47

$14.32

$11.89

Reel

$11.89

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

QFN-32

31 dB

6 GHz

50 Ohms

7 bit

1 Channel

1 dB

Attenuators Green 12 lead 3x3 QFN

PE43205B-Z
pSemi
1: $2.72
9,655In Stock

Mfr. Part No.
PE43205B-Z

Mouser Part No
81-PE43205B-Z

pSemi

Attenuators Green 12 lead 3x3 QFN

Datasheet

9,655In Stock

Cut Tape

$2.72

$1.90

$1.27

$1.02

$0.989

Reel

$0.989

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

QFN-12

18 dB

6 GHz

50 Ohms

2 bit

1 Channel

12 dB

Attenuators Green 32 lead 5x5 QFN

PE43712B-Z
pSemi
1: $9.77
2,705In Stock
9,000Expected 2026/05/06

Mfr. Part No.
PE43712B-Z

Mouser Part No
81-PE43712B-Z

pSemi

Attenuators Green 32 lead 5x5 QFN

Datasheet

2,705In Stock

9,000Expected 2026/05/06

Cut Tape

$9.77

$6.83

$4.55

$3.77

Reel

$3.77

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

QFN-32

31.75 dB

6 GHz

50 Ohms

7 bit

1 Channel

1 dB

Attenuators Green 20 lead 4x4 QFN

PE4312C-Z
pSemi
1: $5.33
18,625Expected 2026/08/06

Mfr. Part No.
PE4312C-Z

Mouser Part No
81-PE4312C-Z

pSemi

Attenuators Green 20 lead 4x4 QFN

Datasheet

18,625Expected 2026/08/06

Cut Tape

$5.33

$3.72

$2.48

$2.01

$1.85

Reel

$1.80

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

QFN-20

31.5 dB

4 GHz

50 Ohms

6 bit

1 Channel

0.5 dB

Attenuators Green 12 lead 3x3 QFN

PE43620A-Z
pSemi
3,000: $0.701
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
PE43620A-Z

Mouser Part No
81-PE43620A-Z

pSemi

Attenuators Green 12 lead 3x3 QFN

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$0.701

Min.: 3,000
Mult.: 3,000

Reel: 3,000

QFN-12

18 dB

3 GHz

50 Ohms

2 bit

1 Channel

6 dB

Attenuators Green 20 lead 4x4 QFN

PE43665A-Z
pSemi
3,000: $1.36
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
PE43665A-Z

Mouser Part No
81-PE43665A-Z

pSemi

Attenuators Green 20 lead 4x4 QFN

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$1.36

Min.: 3,000
Mult.: 3,000

Reel: 3,000

QFN-20

31.5 dB

2 GHz

75 Ohms

6 bit

1 Channel

0.5 dB