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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 (IDR) Filter the results in the table by unit price based on your quantity.	Qty.
Attenuators 50ohm 6 Bit 31.5dB 0.5dB, 1.0dB Digital Step Attenuator, optional ext. Vss PE43508A-V pSemi 1: Rp1.799.559 240In Stock	Mfr. Part No. PE43508A-V Mouser Part No 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	240In Stock	Cut Tape Rp1.799.559 Rp1.505.106 Rp1.387.141 Rp1.350.816 Reel Rp1.280.367 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 250
Attenuators 50ohm 6Bit 31.5dB 0.5dB Digital Step Attenuator PE4312C-Z pSemi 1: Rp80.722 15.079In Stock 42.000On Order	Mfr. Part No. PE4312C-Z Mouser Part No 81-PE4312C-Z	pSemi	Attenuators 50ohm 6Bit 31.5dB 0.5dB Digital Step Attenuator Learn More about pSemi ultracmos rf dsa	Datasheet	15.079In Stock 42.000On Order On Order Ship Dates Mfr. No: PE4312C-Z Stock: 15.079 Can Dispatch Immediately On Order: 24.000 Expected 09/04/2027 18.000 Expected 23/04/2027 Factory Lead Time: 24 Weeks	Cut Tape Rp80.722 Rp66.229 Rp61.643 Rp56.322 View Reel Rp51.369 Rp54.488 Rp51.369 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: Rp65.679 3.652In Stock	Mfr. Part No. PE4314B-Z Mouser Part No 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	3.652In Stock	Cut Tape Rp65.679 Rp54.121 Rp50.268 Rp45.682 View Reel Rp39.260 Rp43.297 Rp41.829 Rp39.994 Rp39.260 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Attenuators ext. Vss PE43711B-Z pSemi 1: Rp139.613 95In Stock 27.000Expected 18/12/2026	Mfr. Part No. PE43711B-Z Mouser Part No 81-PE43711B-Z	pSemi	Attenuators ext. Vss Learn More about pSemi ultracmos rf dsa	Datasheet	95In Stock 27.000Expected 18/12/2026	Cut Tape Rp139.613 Rp113.745 Rp106.407 Rp97.601 View Reel Rp82.190 Rp91.547 Rp89.712 Rp86.777 Rp82.190 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Attenuators 50ohm 2Bit 18.0dB 6.0dB Digital Step Attenuator PE43205B-Z pSemi 1: Rp42.746 64.479On Order	Mfr. Part No. PE43205B-Z Mouser Part No 81-PE43205B-Z	pSemi	Attenuators 50ohm 2Bit 18.0dB 6.0dB Digital Step Attenuator Learn More about pSemi ultracmos rf dsa	Datasheet	64.479On Order On Order Ship Dates Mfr. No: PE43205B-Z Stock: 0 On Order: 4.479 Expected 21/12/2026 36.000 Expected 25/01/2027 24.000 Expected 26/02/2027 Factory Lead Time: 24 Weeks	Cut Tape Rp42.746 Rp34.674 Rp32.106 Rp29.170 Reel Rp24.400 View Rp27.519 Rp26.602 Rp25.684 Rp23.483 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: Rp146.951 62.102Expected 12/03/2027	Mfr. Part No. PE43712B-Z Mouser Part No 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	62.102Expected 12/03/2027	Cut Tape Rp146.951 Rp119.616 Rp111.911 Rp102.738 View Reel Rp84.025 Rp96.317 Rp94.482 Rp91.363 Rp84.025 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: Rp396.274 13.293Expected 02/11/2026	Mfr. Part No. PE43713B-Z Mouser Part No 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	13.293Expected 02/11/2026	Cut Tape Rp396.274 Rp334.631 Rp315.368 Rp292.252 View Reel Rp255.193 Rp279.777 Rp275.373 Rp275.190 Rp255.193 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: Rp5.042.398 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EK43712-03 Mouser Part No 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	Rp5.042.398	Min.: 1 Mult.: 1
Attenuators 50ohm 2Bit 18.0dB 6.0dB Digital Step Attenuator PE43620A-Z pSemi 3.000: Rp14.750 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. PE43620A-Z Mouser Part No 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	Reel Rp14.750 Rp14.310	Min.: 3.000 Mult.: 3.000 : 3.000
Attenuators 75ohm 6Bit 31.5dB 0.5dB Digital Step Attenuator PE43665A-Z pSemi 3.000: Rp27.519 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. PE43665A-Z Mouser Part No 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 Rp27.519 Rp26.785	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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