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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 (HKD) 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: HK$36.17 39,470In 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	39,470In Stock 42,000On Order On Order Ship Dates Mfr. No: PE4312C-Z Stock: 39,470 Can Dispatch Immediately On Order: 24,000 Expected 9/4/2027 18,000 Expected 23/4/2027 Factory Lead Time: 24 Weeks	Cut Tape HK$36.17 HK$29.67 HK$27.62 HK$25.24 View Reel HK$23.02 HK$24.41 HK$23.02 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: HK$29.43 4,002In 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	4,002In Stock	Cut Tape HK$29.43 HK$24.25 HK$22.52 HK$20.47 View Reel HK$17.59 HK$19.40 HK$18.74 HK$17.92 HK$17.59 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Attenuators ext. Vss PE43711B-Z pSemi 1: HK$62.55 2,627In 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	2,627In Stock 27,000Expected 18/12/2026	Cut Tape HK$62.55 HK$50.96 HK$47.68 HK$43.73 View Reel HK$36.83 HK$41.02 HK$40.20 HK$38.88 HK$36.83 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Attenuators 50ohm 5Bit 15.5dB 0.5dB Digital Step Attenuator PE43650A-Z pSemi 1: HK$22.03 980In Stock End of Life	Mfr. Part No. PE43650A-Z Mouser Part No 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 HK$22.03 HK$16.44 HK$15.04 HK$13.73 Reel HK$12.00 View HK$13.32 HK$12.99 HK$12.49 HK$11.67 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Attenuators 50ohm 2Bit 18.0dB 6.0dB Digital Step Attenuator PE43205B-Z pSemi 1: HK$19.15 64,759On 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	64,759On Order On Order Ship Dates Mfr. No: PE43205B-Z Stock: 0 On Order: 4,759 Expected 21/12/2026 36,000 Expected 25/1/2027 24,000 Expected 26/2/2027 Factory Lead Time: 24 Weeks	Cut Tape HK$19.15 HK$15.54 HK$14.39 HK$13.07 Reel HK$10.93 View HK$12.33 HK$11.92 HK$11.51 HK$10.52 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: HK$768.32 250Expected 16/7/2027	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	250Expected 16/7/2027	Cut Tape HK$768.32 HK$674.94 HK$631.71 HK$622.67 Reel HK$573.67 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: HK$65.84 62,131Expected 12/3/2027	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	62,131Expected 12/3/2027	Cut Tape HK$65.84 HK$53.59 HK$50.14 HK$46.03 View Reel HK$37.65 HK$43.16 HK$42.33 HK$40.94 HK$37.65 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: HK$177.55 13,368On Order	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	13,368On Order On Order Ship Dates Mfr. No: PE43713B-Z Stock: 0 On Order: 4,368 Expected 27/11/2026 9,000 Expected 4/12/2026 Factory Lead Time: 24 Weeks	Cut Tape HK$177.55 HK$149.93 HK$141.30 HK$130.94 View Reel HK$114.34 HK$125.36 HK$123.38 HK$123.30 HK$114.34 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: HK$2,259.27 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	HK$2,259.27	Min.: 1 Mult.: 1
Attenuators 50ohm 2Bit 18.0dB 6.0dB Digital Step Attenuator PE43620A-Z pSemi 1: HK$12.49 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	Cut Tape HK$12.49 HK$9.21 HK$8.30 HK$7.48 Reel HK$6.61 View HK$7.25 HK$7.02 HK$6.90 HK$6.41 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Attenuators 75ohm 6Bit 31.5dB 0.5dB Digital Step Attenuator PE43665A-Z pSemi 3,000: HK$12.33 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 HK$12.33 HK$12.00	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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