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TL43xLI/TL43xLI-Q1 Programmable Shunt Regulators

Texas Instruments TL43xLI/TL43xLI-Q1 Programmable Shunt Regulators are three-terminal adjustable shunt regulators with specified thermal stability over applicable automotive, commercial, and military temperature ranges. The output voltage can be set to any value between V_ref (approximately 2.495V) and 36V, with two external resistors. These devices have a typical output impedance of 0.3Ω. Active output circuitry provides a very sharp turn-on characteristic, making these devices excellent replacements for Zener diodes in many applications. These applications include onboard regulation, adjustable power and switching power supplies. These devices are a pin-to-pin alternative to the industry standard TL431, with optimized I_ref and I_Idev performance. The lower I_ref and I_Idev values enable designers to achieve higher system accuracy and lower leakage current. The TL432LI/TL432LI-Q1 device has precisely the same functionality and electrical specifications as the TL431LI/TL431LI-Q1 device but has a different pinout for the DBZ package.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package / Case	Reference Type	Output Voltage	Initial Accuracy	Temperature Coefficient	Series VREF - Input Voltage - Max	Shunt Current - Max	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
Voltage References Adjustable precision shunt regulator wit TL431LIACDBZR Texas Instruments 1: $0.27 58,073In Stock	Mfr. Part # TL431LIACDBZR Mouser Part # 595-TL431LIACDBZR	Texas Instruments	Voltage References Adjustable precision shunt regulator wit Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	58,073In Stock	Cut Tape $0.27 $0.184 $0.163 $0.14 Reel $0.109 View $0.129 $0.122 $0.117 $0.107 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	Adjustable	1 %	63 PPM / C	36 V	15 mA	- 40 C	+ 125 C	TL431LI	Reel, Cut Tape, MouseReel
Voltage References Automotive adjustab le precision shunt TL432LIBEDBZRQ1 Texas Instruments 1: $1.01 2,622In Stock	Mfr. Part # TL432LIBEDBZRQ1 Mouser Part # 595-TL432LIBEDBZRQ1	Texas Instruments	Voltage References Automotive adjustab le precision shunt Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	2,622In Stock	Cut Tape $1.01 $0.725 $0.655 $0.577 Reel $0.475 View $0.539 $0.517 $0.502 $0.441 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	Adjustable	0.5 %	63 PPM / C	36 V	15 mA	- 40 C	+ 150 C	TL432LI	Reel, Cut Tape, MouseReel
Voltage References Automotive adjustab le precision shunt TL432LIBQDBZRQ1 Texas Instruments 1: $0.64 2,789In Stock	Mfr. Part # TL432LIBQDBZRQ1 Mouser Part # 595-TL432LIBQDBZRQ1	Texas Instruments	Voltage References Automotive adjustab le precision shunt Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	2,789In Stock	Cut Tape $0.64 $0.456 $0.409 $0.357 Reel $0.305 View $0.332 $0.317 $0.305 $0.298 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	Adjustable	0.5 %	63 PPM / C	36 V	15 mA	- 40 C	+ 125 C	TL432LI	Reel, Cut Tape, MouseReel
Voltage References Automotive adjustab le precision shunt TL431LIBEDBZRQ1 Texas Instruments 1: $1.47 34,242In Stock	Mfr. Part # TL431LIBEDBZRQ1 Mouser Part # 595-TL431LIBEDBZRQ1	Texas Instruments	Voltage References Automotive adjustab le precision shunt Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	34,242In Stock	Cut Tape $1.47 $1.08 $0.975 $0.865 Reel $0.737 View $0.812 $0.781 $0.771 $0.721 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	Adjustable	0.5 %	63 PPM / C	36 V	15 mA	- 40 C	+ 150 C	TL431LI	Reel, Cut Tape, MouseReel
Voltage References Automotive adjustab le precision shunt TL431LIAEDBZRQ1 Texas Instruments 1: $1.39 47,044In Stock	Mfr. Part # TL431LIAEDBZRQ1 Mouser Part # 595-TL431LIAEDBZRQ1	Texas Instruments	Voltage References Automotive adjustab le precision shunt Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	47,044In Stock	Cut Tape $1.39 $1.02 $0.917 $0.813 Reel $0.677 View $0.763 $0.733 $0.713 $0.662 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	Adjustable	1 %	63 PPM / C	36 V	15 mA	- 40 C	+ 150 C	TL431LI	Reel, Cut Tape, MouseReel
Voltage References Adjustable precision shunt regulator wit TL431LIAQDBZR Texas Instruments 1: $0.29 16,440In Stock	Mfr. Part # TL431LIAQDBZR Mouser Part # 595-TL431LIAQDBZR	Texas Instruments	Voltage References Adjustable precision shunt regulator wit Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	16,440In Stock	Cut Tape $0.29 $0.20 $0.177 $0.152 View Reel $0.119 $0.14 $0.133 $0.127 $0.119 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	Adjustable	1 %	63 PPM / C	36 V	15 mA	- 40 C	+ 125 C	TL431LI	Reel, Cut Tape, MouseReel
Voltage References Adjustable precision shunt regulator wit TL431LIAIDBZR Texas Instruments 1: $0.29 3,682In Stock 3,000Expected 1/28/2027	Mfr. Part # TL431LIAIDBZR Mouser Part # 595-TL431LIAIDBZR	Texas Instruments	Voltage References Adjustable precision shunt regulator wit Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	3,682In Stock 3,000Expected 1/28/2027	Cut Tape $0.29 $0.199 $0.178 $0.152 Reel $0.123 View $0.139 $0.138 $0.132 $0.12 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	Adjustable	1 %	63 PPM / C	36 V	15 mA	- 40 C	+ 125 C	TL431LI	Reel, Cut Tape, MouseReel
Voltage References Adjustable precision shunt regulator wit TL431LIBCDBZR Texas Instruments 1: $0.28 9,448In Stock	Mfr. Part # TL431LIBCDBZR Mouser Part # 595-TL431LIBCDBZR	Texas Instruments	Voltage References Adjustable precision shunt regulator wit Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	9,448In Stock	Cut Tape $0.28 $0.189 $0.167 $0.142 Reel $0.109 View $0.13 $0.124 $0.118 $0.105 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	Adjustable	0.5 %	63 PPM / C	36 V	15 mA	- 40 C	+ 125 C	TL431LI	Reel, Cut Tape, MouseReel
Voltage References Adjustable precision shunt regulator wit TL432LIACDBZR Texas Instruments 1: $0.23 6,489In Stock	Mfr. Part # TL432LIACDBZR Mouser Part # 595-TL432LIACDBZR	Texas Instruments	Voltage References Adjustable precision shunt regulator wit Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	6,489In Stock	Cut Tape $0.23 $0.15 $0.132 $0.112 Reel $0.083 View $0.094 $0.088 $0.084 $0.082 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	Adjustable	1 %	63 PPM / C	36 V	15 mA	- 0 C	+ 70 C	TL432LI	Reel, Cut Tape, MouseReel
Voltage References Automotive adjustab le precision shunt TL432LIAEDBZRQ1 Texas Instruments 1: $0.86 1,404In Stock	Mfr. Part # TL432LIAEDBZRQ1 Mouser Part # 595-TL432LIAEDBZRQ1	Texas Instruments	Voltage References Automotive adjustab le precision shunt Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	1,404In Stock	Cut Tape $0.86 $0.612 $0.552 $0.484 Reel $0.396 View $0.452 $0.433 $0.417 $0.392 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	Adjustable	1 %	63 PPM / C	36 V	15 mA	- 40 C	+ 150 C	TL432LI	Reel, Cut Tape, MouseReel
Voltage References Adjustable precision shunt regulator wit TL432LIAIDBZR Texas Instruments 1: $0.25 2,353In Stock	Mfr. Part # TL432LIAIDBZR Mouser Part # 595-TL432LIAIDBZR	Texas Instruments	Voltage References Adjustable precision shunt regulator wit Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	2,353In Stock	Cut Tape $0.25 $0.172 $0.153 $0.131 Reel $0.102 View $0.12 $0.114 $0.109 $0.098 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	Adjustable	1 %	63 PPM / C	36 V	15 mA	- 40 C	+ 125 C	TL432LI	Reel, Cut Tape, MouseReel
Voltage References Adjustable precision shunt regulator wit TL432LIBCDBZR Texas Instruments 1: $0.25 5,497In Stock	Mfr. Part # TL432LIBCDBZR Mouser Part # 595-TL432LIBCDBZR	Texas Instruments	Voltage References Adjustable precision shunt regulator wit Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	5,497In Stock	Cut Tape $0.25 $0.172 $0.153 $0.131 Reel $0.102 View $0.12 $0.114 $0.109 $0.097 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	Adjustable	0.5 %	63 PPM / C	36 V	15 mA	- 40 C	+ 125 C	TL432LI	Reel, Cut Tape, MouseReel
Voltage References Adjustable precision shunt regulator wit TL431LIBIDBZR Texas Instruments 1: $0.31 4,921In Stock	Mfr. Part # TL431LIBIDBZR Mouser Part # 595-TL431LIBIDBZR	Texas Instruments	Voltage References Adjustable precision shunt regulator wit Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	4,921In Stock	Cut Tape $0.31 $0.21 $0.185 $0.158 Reel $0.121 View $0.145 $0.137 $0.13 $0.117 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	Adjustable	0.5 %	63 PPM / C	36 V	15 mA	- 40 C	+ 125 C	TL431LI	Reel, Cut Tape, MouseReel
Voltage References Adjustable precision shunt regulator wit TL431LIBQDBZR Texas Instruments 1: $0.37 395In Stock 3,000Expected 11/5/2026	Mfr. Part # TL431LIBQDBZR Mouser Part # 595-TL431LIBQDBZR	Texas Instruments	Voltage References Adjustable precision shunt regulator wit Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	395In Stock 3,000Expected 11/5/2026	Cut Tape $0.37 $0.254 $0.226 $0.195 Reel $0.146 View $0.18 $0.171 $0.164 $0.142 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	Adjustable	0.5 %	63 PPM / C	36 V	15 mA	- 40 C	+ 125 C	TL431LI	Reel, Cut Tape, MouseReel
Voltage References Adjustable precision shunt regulator wit TL432LIAQDBZR Texas Instruments 1: $0.22 3,885In Stock	Mfr. Part # TL432LIAQDBZR Mouser Part # 595-TL432LIAQDBZR	Texas Instruments	Voltage References Adjustable precision shunt regulator wit Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	3,885In Stock	Cut Tape $0.22 $0.151 $0.134 $0.114 Reel $0.094 View $0.105 $0.10 $0.098 $0.085 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	Adjustable	1 %	63 PPM / C	36 V	15 mA	- 40 C	+ 125 C	TL432LI	Reel, Cut Tape, MouseReel
Voltage References Adjustable precision shunt regulator wit TL432LIBIDBZR Texas Instruments 1: $0.30 2,295In Stock	Mfr. Part # TL432LIBIDBZR Mouser Part # 595-TL432LIBIDBZR	Texas Instruments	Voltage References Adjustable precision shunt regulator wit Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	2,295In Stock	Cut Tape $0.30 $0.206 $0.184 $0.158 Reel $0.123 View $0.145 $0.138 $0.132 $0.12 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	Adjustable	0.5 %	63 PPM / C	36 V	15 mA	- 40 C	+ 125 C	TL432LI	Reel, Cut Tape, MouseReel
Voltage References Automotive adjustab le precision shunt TL431LIAQDBZRQ1 Texas Instruments 1: $1.05 14,998Expected 2/18/2027	Mfr. Part # TL431LIAQDBZRQ1 Mouser Part # 595-TL431LIAQDBZRQ1	Texas Instruments	Voltage References Automotive adjustab le precision shunt Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	14,998Expected 2/18/2027	Cut Tape $1.05 $0.757 $0.683 $0.602 Reel $0.491 View $0.564 $0.54 $0.526 $0.47 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	Adjustable	1 %	63 PPM / C	36 V	15 mA	- 40 C	+ 125 C	TL431LI	Reel, Cut Tape, MouseReel
Voltage References Automotive adjustab le precision shunt TL431LIBQDBZRQ1 Texas Instruments 1: $1.46 19,170On Order	Mfr. Part # TL431LIBQDBZRQ1 Mouser Part # 595-TL431LIBQDBZRQ1	Texas Instruments	Voltage References Automotive adjustab le precision shunt Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	19,170On Order On Order Ship Dates Mfr. #: TL431LIBQDBZRQ1 Stock: 0 On Order: 4,170 Expected 11/11/2026 15,000 Expected 11/16/2026 Factory Lead-Time: 20 Weeks	Cut Tape $1.46 $1.06 $0.953 $0.844 Reel $0.711 View $0.792 $0.761 $0.744 $0.697 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	Adjustable	0.5 %	63 PPM / C	36 V	15 mA	- 40 C	+ 125 C	TL431LI	Reel, Cut Tape, MouseReel
Voltage References Adjustable precision shunt regulator wit TL432LIBQDBZR Texas Instruments 1: $0.32 3,000Expected 2/11/2027	Mfr. Part # TL432LIBQDBZR Mouser Part # 595-TL432LIBQDBZR	Texas Instruments	Voltage References Adjustable precision shunt regulator wit Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	3,000Expected 2/11/2027	Cut Tape $0.32 $0.217 $0.191 $0.163 Reel $0.121 View $0.15 $0.142 $0.132 $0.118 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	Adjustable	0.5 %	63 PPM / C	36 V	15 mA	- 40 C	+ 125 C	TL432LI	Reel, Cut Tape, MouseReel
Voltage References Automotive adjustab le precision shunt TL432LIAQDBZRQ1 Texas Instruments 1: $0.64 Non-Stocked Lead-Time 20 Weeks	Mfr. Part # TL432LIAQDBZRQ1 Mouser Part # 595-TL432LIAQDBZRQ1	Texas Instruments	Voltage References Automotive adjustab le precision shunt Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	Non-Stocked Lead-Time 20 Weeks	Cut Tape $0.64 $0.447 $0.399 $0.347 Reel $0.271 View $0.322 $0.307 $0.294 $0.268 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-3	Shunt Adjustable Precision References	Adjustable	1 %	63 PPM / C	36 V	15 mA	- 40 C	+ 125 C	TL432LI	Reel, Cut Tape, MouseReel

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TL43xLI/TL43xLI-Q1 Programmable Shunt Regulators

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