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AP431S Adjustable Shunt Regulators

Diodes Inc. AP431S Adjustable Shunt Regulators are three-terminal regulators with guaranteed thermal stability throughout the operating range. These regulators offer high stability under capacitive load. The AP431S shunt regulators feature sharp turn-on characteristics, low dynamic impedance, low cathode current for regulation, and low-temperature coefficient. These regulators are an ideal replacement for Zener diodes in various applications including chargers and other adjustable regulators. The AP431S regulators are available in 0.5% and 1% voltage tolerances and come in T092, SOT23, and SOT89 packages. Typical applications include charger, voltage adapter, switching power supply, graphics card, and precision voltage reference.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package / Case	Reference Type	Output Voltage	Initial Accuracy	Shunt Current - Max	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
Voltage References 2.495V / 0.5% VREG Shunt Regulator AP431SHAN1TR-G1 Diodes Incorporated 1: $0.331 50,949In Stock	Mfr. Part # AP431SHAN1TR-G1 Mouser Part # 621-AP431SHAN1TR-G1	Diodes Incorporated	Voltage References 2.495V / 0.5% VREG Shunt Regulator Learn More about Diodes Incorporated diodes ap431s adjustable shunt regulators	Datasheet	50,949In Stock	Cut Tape $0.331 $0.22 $0.192 $0.166 View Reel $0.127 $0.153 $0.144 $0.137 $0.127 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	2.495 V to 36 V	0.5 %	100 mA	- 40 C	+ 125 C	AP431S	Reel, Cut Tape, MouseReel
Voltage References VREG Shunt Regulator AP431SBZTR-G1 Diodes Incorporated 1: $0.331 2,169In Stock	Mfr. Part # AP431SBZTR-G1 Mouser Part # 621-AP431SBZTR-G1	Diodes Incorporated	Voltage References VREG Shunt Regulator Learn More about Diodes Incorporated diodes ap431s adjustable shunt regulators	Datasheet	2,169In Stock	Cut Tape $0.331 $0.22 $0.194 $0.166 Reel $0.127 View $0.153 $0.144 $0.137 $0.122	Min.: 1 Mult.: 1 : 2,000	Through Hole	TO-92-3	Shunt Adjustable Precision References	2.5 V to 36 V	1 %	100 mA	- 40 C	+ 125 C	AP431S	Reel, Cut Tape
Voltage References VREG Shunt Regulator AP431SBRTR-G1 Diodes Incorporated 1: $0.331 1,364In Stock	Mfr. Part # AP431SBRTR-G1 Mouser Part # 621-AP431SBRTR-G1	Diodes Incorporated	Voltage References VREG Shunt Regulator Learn More about Diodes Incorporated diodes ap431s adjustable shunt regulators	Datasheet	1,364In Stock	Cut Tape $0.331 $0.22 $0.194 $0.166 View Reel $0.137 $0.153 $0.144 $0.137 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOT-89-3	Shunt Adjustable Precision References	2.5 V to 36 V	1 %	100 mA	- 40 C	+ 125 C	AP431S	Reel, Cut Tape, MouseReel
Voltage References VREG Shunt Regulator AP431SHBZTR-G1 Diodes Incorporated 1: $0.331 203In Stock	Mfr. Part # AP431SHBZTR-G1 Mouser Part # 621-AP431SHBZTR-G1	Diodes Incorporated	Voltage References VREG Shunt Regulator Learn More about Diodes Incorporated diodes ap431s adjustable shunt regulators	Datasheet	203In Stock	Cut Tape $0.331 $0.22 $0.194 $0.166 Reel $0.127 View $0.153 $0.144 $0.137 $0.121	Min.: 1 Mult.: 1 : 2,000	Through Hole	TO-92-3	Shunt Adjustable Precision References	2.5 V to 36 V	1 %	100 mA	- 40 C	+ 125 C	AP431S	Reel, Cut Tape
Voltage References 2.495V / 0.5% VREG Shunt Regulator AP431SHAZTR-G1 Diodes Incorporated 1: $0.331 1,595In Stock	Mfr. Part # AP431SHAZTR-G1 Mouser Part # 621-AP431SHAZTR-G1	Diodes Incorporated	Voltage References 2.495V / 0.5% VREG Shunt Regulator Learn More about Diodes Incorporated diodes ap431s adjustable shunt regulators	Datasheet	1,595In Stock	Cut Tape $0.331 $0.22 $0.194 $0.166 Reel $0.127 View $0.153 $0.144 $0.137 $0.121	Min.: 1 Mult.: 1 : 2,000	Through Hole	TO-92-3 Kinked Lead	Shunt Adjustable Precision References	2.495 V to 36 V	0.5 %	100 mA	- 40 C	+ 125 C	AP431S	Reel, Cut Tape
Voltage References VREG Shunt Regulator AP431SANTR-G1 Diodes Incorporated 1: $0.331 172,193In Stock	Mfr. Part # AP431SANTR-G1 Mouser Part # 621-AP431SANTR-G1	Diodes Incorporated	Voltage References VREG Shunt Regulator Learn More about Diodes Incorporated diodes ap431s adjustable shunt regulators	Datasheet	172,193In Stock	Cut Tape $0.331 $0.22 $0.194 $0.166 View Reel $0.135 $0.153 $0.144 $0.137 $0.135 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,670 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	2.5 V to 36 V	0.5 %	100 mA	- 40 C	+ 125 C	AP431S	Reel, Cut Tape, MouseReel
Voltage References VREG Shunt Regulator AP431SBN1TR-G1 Diodes Incorporated 1: $0.331 58,565In Stock	Mfr. Part # AP431SBN1TR-G1 Mouser Part # 621-AP431SBN1TR-G1	Diodes Incorporated	Voltage References VREG Shunt Regulator Learn More about Diodes Incorporated diodes ap431s adjustable shunt regulators	Datasheet	58,565In Stock	Cut Tape $0.331 $0.22 $0.194 $0.166 View Reel $0.127 $0.153 $0.144 $0.137 $0.127 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	2.5 V to 36 V	1 %	100 mA	- 40 C	+ 125 C	AP431S	Reel, Cut Tape, MouseReel
Voltage References 2.5V / 0.5% VREG Shunt Regulator AP431SAZTR-G1 Diodes Incorporated 1: $0.346 1,805In Stock	Mfr. Part # AP431SAZTR-G1 Mouser Part # 621-AP431SAZTR-G1	Diodes Incorporated	Voltage References 2.5V / 0.5% VREG Shunt Regulator Learn More about Diodes Incorporated diodes ap431s adjustable shunt regulators	Datasheet	1,805In Stock	Cut Tape $0.346 $0.23 $0.194 $0.173 Reel $0.127 View $0.166 $0.161 $0.157 $0.122	Min.: 1 Mult.: 1 : 2,000	Through Hole	TO-92-3 Kinked Lead	Shunt Adjustable Precision References	2.5 V to 36 V	0.5 %	100 mA	- 40 C	+ 125 C	AP431S	Reel, Cut Tape
Voltage References VREG Shunt Regulator AP431SAN1TR-G1 Diodes Incorporated 1: $0.374 303In Stock 81,000On Order	Mfr. Part # AP431SAN1TR-G1 Mouser Part # 621-AP431SAN1TR-G1	Diodes Incorporated	Voltage References VREG Shunt Regulator Learn More about Diodes Incorporated diodes ap431s adjustable shunt regulators	Datasheet	303In Stock 81,000On Order On Order Ship Dates Mfr. #: AP431SAN1TR-G1 Stock: 303 Can Ship Immediately On Order: 18,000 Expected 2026-12-18 15,000 Expected 2027-01-08 15,000 Expected 2027-03-19 33,000 Expected 2027-04-16 Factory Lead-Time: 40 Weeks	Cut Tape $0.374 $0.258 $0.209 $0.194 $0.157 Reel $0.127 MouseReel Available	Min.: 1 Mult.: 1 Max.: 6,000 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	2.5 V to 36 V	0.5 %	100 mA	- 40 C	+ 125 C	AP431S	Reel, Cut Tape, MouseReel
Voltage References VREG Shunt Regulator AP431SARTR-G1 Diodes Incorporated 1: $0.317 730In Stock	Mfr. Part # AP431SARTR-G1 Mouser Part # 621-AP431SARTR-G1	Diodes Incorporated	Voltage References VREG Shunt Regulator Learn More about Diodes Incorporated diodes ap431s adjustable shunt regulators	Datasheet	730In Stock	Cut Tape $0.317 $0.217 $0.193 $0.164 View Reel $0.132 $0.151 $0.147 $0.132 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOT-89-3	Shunt Adjustable Precision References	2.5 V to 36 V	0.5 %	100 mA	- 40 C	+ 125 C	AP431S	Reel, Cut Tape, MouseReel
Voltage References VREG Shunt Regulator AP431SHANTR-G1 Diodes Incorporated 1: $0.36 1,731In Stock	Mfr. Part # AP431SHANTR-G1 Mouser Part # 621-AP431SHANTR-G1	Diodes Incorporated	Voltage References VREG Shunt Regulator Learn More about Diodes Incorporated diodes ap431s adjustable shunt regulators	Datasheet	1,731In Stock	Cut Tape $0.36 $0.242 $0.197 $0.183 Reel $0.127 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	2.495 V to 36 V	0.5 %	100 mA	- 40 C	+ 125 C	AP431S	Reel, Cut Tape, MouseReel
Voltage References VREG Shunt Regulator AP431SHARTR-G1 Diodes Incorporated 1: $0.317 609In Stock	Mfr. Part # AP431SHARTR-G1 Mouser Part # 621-AP431SHARTR-G1	Diodes Incorporated	Voltage References VREG Shunt Regulator Learn More about Diodes Incorporated diodes ap431s adjustable shunt regulators	Datasheet	609In Stock	Cut Tape $0.317 $0.217 $0.193 $0.164 View Reel $0.127 $0.156 $0.147 $0.127 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOT-89-3	Shunt Adjustable Precision References	2.5 V to 36 V	0.5 %	100 mA	- 40 C	+ 125 C	AP431S	Reel, Cut Tape, MouseReel
Voltage References VREG Shunt Regulator AP431SHBN1TR-G1 Diodes Incorporated 1: $0.346 3,662In Stock 3,000Expected 2026-10-05	Mfr. Part # AP431SHBN1TR-G1 Mouser Part # 621-AP431SHBN1TR-G1	Diodes Incorporated	Voltage References VREG Shunt Regulator Learn More about Diodes Incorporated diodes ap431s adjustable shunt regulators	Datasheet	3,662In Stock 3,000Expected 2026-10-05	Cut Tape $0.346 $0.23 $0.194 $0.173 View Reel $0.127 $0.166 $0.161 $0.157 $0.127 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	2.5 V to 36 V	1 %	100 mA	- 40 C	+ 125 C	AP431S	Reel, Cut Tape, MouseReel
Voltage References VREG Shunt Regulator AP431SHBRTR-G1 Diodes Incorporated 1: $0.346 1,046In Stock	Mfr. Part # AP431SHBRTR-G1 Mouser Part # 621-AP431SHBRTR-G1	Diodes Incorporated	Voltage References VREG Shunt Regulator Learn More about Diodes Incorporated diodes ap431s adjustable shunt regulators	Datasheet	1,046In Stock	Cut Tape $0.346 $0.23 $0.194 $0.173 Reel $0.157 View $0.166 $0.161 $0.127 $0.122 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOT-89-3	Shunt Adjustable Precision References	2.5 V to 36 V	1 %	100 mA	- 40 C	+ 125 C	AP431S	Reel, Cut Tape, MouseReel
Voltage References VREG Shunt Regulator AP431SBNTR-G1 Diodes Incorporated 1: $0.374 32,810On Order	Mfr. Part # AP431SBNTR-G1 Mouser Part # 621-AP431SBNTR-G1	Diodes Incorporated	Voltage References VREG Shunt Regulator Learn More about Diodes Incorporated diodes ap431s adjustable shunt regulators	Datasheet	32,810On Order On Order Ship Dates Mfr. #: AP431SBNTR-G1 Stock: 0 On Order: 8,810 Expected 2027-05-14 9,000 Expected 2027-06-18 15,000 Expected 2027-07-16 Factory Lead-Time: 36 Weeks	Cut Tape $0.374 $0.258 $0.209 $0.194 Reel $0.127 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	2.5 V to 36 V	1 %	100 mA	- 40 C	+ 125 C	AP431S	Reel, Cut Tape, MouseReel
Voltage References VREG Shunt Regulator AP431SHBNTR-G1 Diodes Incorporated 1: $0.374 54In Stock 3,000Expected 2027-11-19	Mfr. Part # AP431SHBNTR-G1 Mouser Part # 621-AP431SHBNTR-G1	Diodes Incorporated	Voltage References VREG Shunt Regulator Learn More about Diodes Incorporated diodes ap431s adjustable shunt regulators	Datasheet	54In Stock 3,000Expected 2027-11-19	Cut Tape $0.374 $0.248 $0.203 $0.189 $0.183 Reel $0.143 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	2.5 V to 36 V	1 %	100 mA	- 40 C	+ 125 C	AP431S	Reel, Cut Tape, MouseReel

AP431S Adjustable Shunt Regulators

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