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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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Part #

Attenuators 75ohm 6Bit 31.5dB 0.5dB Digital Step Attenuator, optional ext. Vss

PE4314B-Z
pSemi
1: $3.765
4.002In Stock

Mfr. Part #
PE4314B-Z

Mouser Part #
81-PE4314B-Z

pSemi

Attenuators 75ohm 6Bit 31.5dB 0.5dB Digital Step Attenuator, optional ext. Vss

Datasheet

4.002In Stock

Cut Tape

$3.765

$3.102

$2.882

$2.619

View

Reel

$2.251

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Attenuators 50ohm 6Bit 31.5dB 0.5dB Digital Step Attenuator

PE4312C-Z
pSemi
1: $4.838
57In Stock
42.000On Order

Mfr. Part #
PE4312C-Z

Mouser Part #
81-PE4312C-Z

pSemi

Attenuators 50ohm 6Bit 31.5dB 0.5dB Digital Step Attenuator

Datasheet

57In Stock

42.000On Order

Cut Tape

$4.838

$3.660

$3.376

$3.050

View

Reel

$2.892

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Attenuators 50ohm 2Bit 18.0dB 6.0dB Digital Step Attenuator

PE43205B-Z
pSemi
1: $2.450
64.759On Order

Mfr. Part #
PE43205B-Z

Mouser Part #
81-PE43205B-Z

pSemi

Attenuators 50ohm 2Bit 18.0dB 6.0dB Digital Step Attenuator

Datasheet

64.759On Order

Cut Tape

$2.450

$1.988

$1.840

$1.672

Reel

$1.399

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Attenuators 50ohm 6 Bit 31.5dB 0.5dB, 1.0dB Digital Step Attenuator, optional ext. Vss

PE43508A-V
pSemi
1: $98.301
250Expected 7/16/2027

Mfr. Part #
PE43508A-V

Mouser Part #
81-PE43508A-V

pSemi

Attenuators 50ohm 6 Bit 31.5dB 0.5dB, 1.0dB Digital Step Attenuator, optional ext. Vss

Datasheet

250Expected 7/16/2027

Cut Tape

$98.301

$86.354

$80.822

$79.666

Reel

$73.397

MouseReel Available

Min.: 1
Mult.: 1

: 250

Attenuators ext. Vss

PE43711B-Z
pSemi
1: $8.003
2.955In Stock
27.000Expected 12/18/2026

Mfr. Part #
PE43711B-Z

Mouser Part #
81-PE43711B-Z

pSemi

Attenuators ext. Vss

Datasheet

2.955In Stock

27.000Expected 12/18/2026

Cut Tape

$8.003

$6.520

$6.100

$5.595

View

Reel

$4.712

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Attenuators 50ohm 7Bit 31.75dB 0.25dB, 0.5dB, 1.0dB Digital Step Attenuator, w/o

PE43712B-Z
pSemi
1: $8.424
62.131Expected 3/12/2027

Mfr. Part #
PE43712B-Z

Mouser Part #
81-PE43712B-Z

pSemi

Attenuators 50ohm 7Bit 31.75dB 0.25dB, 0.5dB, 1.0dB Digital Step Attenuator, w/o

Datasheet

62.131Expected 3/12/2027

Cut Tape

$8.424

$6.857

$6.415

$5.889

View

Reel

$4.817

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Attenuators 50ohm 7Bit 31.75dB 0.25dB, 0.5dB, 1.0dB Digital Step Attenuator, optional

PE43713B-Z
pSemi
1: $22.717
13.368On Order

Mfr. Part #
PE43713B-Z

Mouser Part #
81-PE43713B-Z

pSemi

Attenuators 50ohm 7Bit 31.75dB 0.25dB, 0.5dB, 1.0dB Digital Step Attenuator, optional

Datasheet

13.368On Order

Cut Tape

$22.717

$19.183

$18.079

$16.753

View

Reel

$14.629

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Attenuators 50ohm 5Bit 15.5dB 0.5dB Digital Step Attenuator

PE43650A-Z
pSemi
1: $2.819
4.680Expected 9/25/2026
End of Life

Mfr. Part #
PE43650A-Z

Mouser Part #
81-PE43650A-Z

End of Life

pSemi

Attenuators 50ohm 5Bit 15.5dB 0.5dB Digital Step Attenuator

Datasheet

4.680Expected 9/25/2026

Cut Tape

$2.819

$2.103

$1.925

$1.756

Reel

$1.535

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

RF Development Tools 50ohm 7Bit 31.75dB 0.25dB, 0.5dB, 1.0dB Digital Step Attenuator Eval.

EK43712-03
pSemi
1: $289.057
Non-Stocked Lead-Time 24 Weeks

Mfr. Part #
EK43712-03

Mouser Part #
81-EK43712-03

pSemi

RF Development Tools 50ohm 7Bit 31.75dB 0.25dB, 0.5dB, 1.0dB Digital Step Attenuator Eval.

Datasheet

Non-Stocked Lead-Time 24 Weeks

$289.057

Min.: 1
Mult.: 1

Attenuators 50ohm 2Bit 18.0dB 6.0dB Digital Step Attenuator

PE43620A-Z
pSemi
1: $1.599
Non-Stocked Lead-Time 24 Weeks

Mfr. Part #
PE43620A-Z

Mouser Part #
81-PE43620A-Z

pSemi

Attenuators 50ohm 2Bit 18.0dB 6.0dB Digital Step Attenuator

Datasheet

Non-Stocked Lead-Time 24 Weeks

Cut Tape

$1.599

$1.178

$1.062

$957

Reel

$846

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Attenuators 75ohm 6Bit 31.5dB 0.5dB Digital Step Attenuator

PE43665A-Z
pSemi
3.000: $1.578
Non-Stocked Lead-Time 24 Weeks

Mfr. Part #
PE43665A-Z

Mouser Part #
81-PE43665A-Z

pSemi

Attenuators 75ohm 6Bit 31.5dB 0.5dB Digital Step Attenuator

Datasheet

Non-Stocked Lead-Time 24 Weeks

Reel

$1.578

$1.535

Min.: 3.000
Mult.: 3.000

: 3.000