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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) Filter the results in the table by unit price based on your quantity.	Qty.
Attenuators 50ohm 6Bit 31.5dB 0.5dB Digital Step Attenuator PE4312C-Z pSemi 1: $4.831 39.470In Stock 42.000On Order	Mfr. Part # PE4312C-Z Mouser Part # 81-PE4312C-Z	pSemi	Attenuators 50ohm 6Bit 31.5dB 0.5dB Digital Step Attenuator Learn More about pSemi ultracmos rf dsa	Datasheet	39.470In Stock 42.000On Order On Order Ship Dates Mfr. #: PE4312C-Z Stock: 39.470 Can Ship Immediately On Order: 24.000 Expected 4/9/2027 18.000 Expected 4/23/2027 Factory Lead-Time: 24 Weeks	Cut Tape $4.831 $3.964 $3.689 $3.371 View Reel $3.074 $3.261 $3.074 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Attenuators 75ohm 6Bit 31.5dB 0.5dB Digital Step Attenuator, optional ext. Vss PE4314B-Z pSemi 1: $3.931 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 Learn More about pSemi ultracmos rf dsa	Datasheet	4.002In Stock	Cut Tape $3.931 $3.239 $3.008 $2.734 View Reel $2.350 $2.591 $2.503 $2.394 $2.350 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Attenuators ext. Vss PE43711B-Z pSemi 1: $8.355 2.627In Stock 27.000Expected 12/18/2026	Mfr. Part # PE43711B-Z Mouser Part # 81-PE43711B-Z	pSemi	Attenuators ext. Vss Learn More about pSemi ultracmos rf dsa	Datasheet	2.627In Stock 27.000Expected 12/18/2026	Cut Tape $8.355 $6.807 $6.368 $5.841 View Reel $4.919 $5.479 $5.369 $5.193 $4.919 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Attenuators 50ohm 5Bit 15.5dB 0.5dB Digital Step Attenuator PE43650A-Z pSemi 1: $2.943 980In Stock 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 Learn More about pSemi ultracmos rf dsa	Datasheet	980In Stock	Cut Tape $2.943 $2.196 $2.009 $1.834 Reel $1.603 View $1.779 $1.735 $1.669 $1.559 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Attenuators 50ohm 2Bit 18.0dB 6.0dB Digital Step Attenuator PE43205B-Z pSemi 1: $2.558 64.759On Order	Mfr. Part # PE43205B-Z Mouser Part # 81-PE43205B-Z	pSemi	Attenuators 50ohm 2Bit 18.0dB 6.0dB Digital Step Attenuator Learn More about pSemi ultracmos rf dsa	Datasheet	64.759On Order On Order Ship Dates Mfr. #: PE43205B-Z Stock: 0 On Order: 4.759 Expected 12/21/2026 36.000 Expected 1/25/2027 24.000 Expected 2/26/2027 Factory Lead-Time: 24 Weeks	Cut Tape $2.558 $2.075 $1.921 $1.746 Reel $1.460 View $1.647 $1.592 $1.537 $1.405 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: $102.626 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 Learn More about pSemi ultracmos rf dsa	Datasheet	250Expected 7/16/2027	Cut Tape $102.626 $90.153 $84.378 $83.170 Reel $76.626 MouseReel Available	Min.: 1 Mult.: 1 : 250
Attenuators 50ohm 7Bit 31.75dB 0.25dB, 0.5dB, 1.0dB Digital Step Attenuator, w/o PE43712B-Z pSemi 1: $8.795 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 Learn More about pSemi ultracmos rf dsa	Datasheet	62.131Expected 3/12/2027	Cut Tape $8.795 $7.159 $6.698 $6.149 View Reel $5.029 $5.764 $5.654 $5.468 $5.029 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: $23.716 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 Learn More about pSemi ultracmos rf dsa	Datasheet	13.368On Order On Order Ship Dates Mfr. #: PE43713B-Z Stock: 0 On Order: 4.368 Expected 11/27/2026 9.000 Expected 12/4/2026 Factory Lead-Time: 24 Weeks	Cut Tape $23.716 $20.027 $18.874 $17.490 View Reel $15.273 $16.744 $16.480 $16.469 $15.273 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: $301.773 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. Learn More about pSemi ultracmos rf dsa	Datasheet	Non-Stocked Lead-Time 24 Weeks	$301.773	Min.: 1 Mult.: 1
Attenuators 50ohm 2Bit 18.0dB 6.0dB Digital Step Attenuator PE43620A-Z pSemi 1: $1.669 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 Learn More about pSemi ultracmos rf dsa	Datasheet	Non-Stocked Lead-Time 24 Weeks	Cut Tape $1.669 $1.230 $1.109 $999 Reel $883 View $968 $938 $922 $856 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Attenuators 75ohm 6Bit 31.5dB 0.5dB Digital Step Attenuator PE43665A-Z pSemi 3.000: $1.647 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 Learn More about pSemi ultracmos rf dsa	Datasheet	Non-Stocked Lead-Time 24 Weeks	Reel $1.647 $1.603	Min.: 3.000 Mult.: 3.000 : 3.000

UltraCMOS® RF Digital Step Attenuators

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UltraCMOS® RF Digital Step Attenuators

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