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DAT Digital Step Attenuators

Mini-Circuits DAT Digital Step Attenuators provide adjustable attenuation from 0 to 15.5dBin 0.5dB steps. The control is a 5-bit serial/parallel interface, and the attenuators operate with either single positive or dual (positive and negative) supply voltage. The devices are produced by a unique CMOS process on silicon, offering the performance of GaAs with the advantages of conventional CMOS devices.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Attenuation	Maximum Frequency	Impedance	Number of Bits	Number of Channels	Attenuator Step Size	Maximum VSWR
	Attenuators 1.5 dB SMT Digital Step Attenuator, DC - 4000 MHz, 50O DAT-31R5A-SN+ Mini-Circuits 1: $12.21 A tariff of 5% may be applied if shipping to the United States. 683In Stock	Mfr. Part # DAT-31R5A-SN+ Mouser Part # 139-DAT-31R5A-SN+	Mini-Circuits	Attenuators 1.5 dB SMT Digital Step Attenuator, DC - 4000 MHz, 50O Learn More about Mini-Circuits mini circuits dat	Datasheet	683In Stock	Cut Tape $12.21 $7.94 $7.25 $6.90 Reel $6.88 View $6.89 $5.85 MouseReel Available A tariff of 5% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 500			31.5 dB	4 GHz	50 Ohms	6 bit	1 Channel	0.5 dB	1.4
	Attenuators 31 dB SMT Digital Step Attenuator, DC - 4000 MHz, 50O DAT-31A-SP+ Mini-Circuits 1: $7.75 A tariff of 5% may be applied if shipping to the United States. 339In Stock	Mfr. Part # DAT-31A-SP+ Mouser Part # 139-DAT-31A-SP+	Mini-Circuits	Attenuators 31 dB SMT Digital Step Attenuator, DC - 4000 MHz, 50O Learn More about Mini-Circuits mini circuits dat	Datasheet	339In Stock	Cut Tape $7.75 $7.06 $6.49 $6.46 Reel $6.46 MouseReel Available A tariff of 5% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 500			31 dB	4 GHz	50 Ohms	5 bit	1 Channel	1 dB	1.4
	Attenuators 15.5 dB SMT Digital Step Attenuator, DC - 4000 MHz, 50O DAT-15R5A-PP+ Mini-Circuits 1: $7.75 A tariff of 5% may be applied if shipping to the United States. 2,031On Order	Mfr. Part # DAT-15R5A-PP+ Mouser Part # 139-DAT-15R5A-PP+	Mini-Circuits	Attenuators 15.5 dB SMT Digital Step Attenuator, DC - 4000 MHz, 50O Learn More about Mini-Circuits mini circuits dat	Datasheet	2,031On Order On Order Ship Dates Mfr. #: DAT-15R5A-PP+ Stock: 0 On Order: 31 Pending 1,000 Expected 10/12/2026 1,000 Expected 1/20/2027 Factory Lead-Time: 17 Weeks	Cut Tape $7.75 $7.10 Reel $7.10 $6.46 MouseReel Available A tariff of 5% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 500			15.5 dB	4 GHz	50 Ohms	5 bit	1 Channel	0.5 dB	1.4
	Attenuators 31.5 dB SMT Digital Step Attenuator, DC - 4000 MHz, 50O DAT-31R5A-SP+ Mini-Circuits 1: $7.94 A tariff of 5% may be applied if shipping to the United States. 3,422On Order	Mfr. Part # DAT-31R5A-SP+ Mouser Part # 139-DAT-31R5A-SP+	Mini-Circuits	Attenuators 31.5 dB SMT Digital Step Attenuator, DC - 4000 MHz, 50O Learn More about Mini-Circuits mini circuits dat	Datasheet	3,422On Order On Order Ship Dates Mfr. #: DAT-31R5A-SP+ Stock: 0 On Order: 922 Expected 11/30/2026 2,500 Expected 12/21/2026 Factory Lead-Time: 17 Weeks	Cut Tape $7.94 $7.25 $6.90 $6.82 Reel $6.74 $6.69 MouseReel Available A tariff of 5% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 500			31.5 dB	4 GHz	50 Ohms	6 bit	1 Channel	0.5 dB	1.4