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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: $0.24 59,708In Stock	Mfr. Part No. TL431LIACDBZR Mouser Part No 595-TL431LIACDBZR	Texas Instruments	Voltage References Adjustable precision shunt regulator wit Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	59,708In Stock	Cut Tape $0.24 $0.163 $0.144 $0.124 Reel $0.096 View $0.114 $0.108 $0.103 $0.093 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: $0.89 2,677In Stock	Mfr. Part No. TL432LIBEDBZRQ1 Mouser Part No 595-TL432LIBEDBZRQ1	Texas Instruments	Voltage References Automotive adjustab le precision shunt Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	2,677In Stock	Cut Tape $0.89 $0.636 $0.573 $0.504 Reel $0.413 View $0.47 $0.45 $0.435 $0.394 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 TL431LIBEDBZRQ1 Texas Instruments 1: $1.30 34,500In Stock	Mfr. Part No. TL431LIBEDBZRQ1 Mouser Part No 595-TL431LIBEDBZRQ1	Texas Instruments	Voltage References Automotive adjustab le precision shunt Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	34,500In Stock	Cut Tape $1.30 $0.947 $0.858 $0.759 Reel $0.631 View $0.712 $0.684 $0.663 $0.617 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: $1.23 9,259In Stock 42,000Expected 21/10/2026	Mfr. Part No. TL431LIAEDBZRQ1 Mouser Part No 595-TL431LIAEDBZRQ1	Texas Instruments	Voltage References Automotive adjustab le precision shunt Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	9,259In Stock 42,000Expected 21/10/2026	Cut Tape $1.23 $0.891 $0.807 $0.713 Reel $0.604 View $0.669 $0.642 $0.621 $0.591 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 TL431LIAIDBZR Texas Instruments 1: $0.26 5,679In Stock	Mfr. Part No. TL431LIAIDBZR Mouser Part No 595-TL431LIAIDBZR	Texas Instruments	Voltage References Adjustable precision shunt regulator wit Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	5,679In Stock	Cut Tape $0.26 $0.181 $0.16 $0.136 Reel $0.107 View $0.124 $0.12 $0.115 $0.103 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: $0.24 9,513In Stock	Mfr. Part No. TL431LIBCDBZR Mouser Part No 595-TL431LIBCDBZR	Texas Instruments	Voltage References Adjustable precision shunt regulator wit Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	9,513In Stock	Cut Tape $0.24 $0.164 $0.145 $0.123 Reel $0.095 View $0.113 $0.107 $0.102 $0.092 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 6,510In Stock	Mfr. Part No. TL432LIACDBZR Mouser Part No 595-TL432LIACDBZR	Texas Instruments	Voltage References Adjustable precision shunt regulator wit Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	6,510In Stock	Cut Tape $0.23 $0.144 $0.126 $0.106 Reel $0.077 View $0.094 $0.088 $0.084 $0.074 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: $0.81 1,604In Stock	Mfr. Part No. TL432LIAEDBZRQ1 Mouser Part No 595-TL432LIAEDBZRQ1	Texas Instruments	Voltage References Automotive adjustab le precision shunt Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	1,604In Stock	Cut Tape $0.81 $0.576 $0.519 $0.455 Reel $0.372 View $0.425 $0.406 $0.391 $0.358 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 No. TL432LIAIDBZR Mouser Part No 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 No. TL432LIBCDBZR Mouser Part No 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 TL431LIAQDBZR Texas Instruments 1: $0.26 18,613In Stock	Mfr. Part No. TL431LIAQDBZR Mouser Part No 595-TL431LIAQDBZR	Texas Instruments	Voltage References Adjustable precision shunt regulator wit Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	18,613In Stock	Cut Tape $0.26 $0.177 $0.157 $0.134 Reel $0.104 View $0.124 $0.117 $0.112 $0.10 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 TL431LIBIDBZR Texas Instruments 1: $0.31 5,195In Stock	Mfr. Part No. TL431LIBIDBZR Mouser Part No 595-TL431LIBIDBZR	Texas Instruments	Voltage References Adjustable precision shunt regulator wit Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	5,195In 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: $0.33 2,197In Stock 3,000Expected 03/12/2026	Mfr. Part No. TL431LIBQDBZR Mouser Part No 595-TL431LIBQDBZR	Texas Instruments	Voltage References Adjustable precision shunt regulator wit Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	2,197In Stock 3,000Expected 03/12/2026	Cut Tape $0.33 $0.23 $0.203 $0.175 Reel $0.129 View $0.161 $0.152 $0.145 $0.125 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 3,895In Stock	Mfr. Part No. TL432LIAQDBZR Mouser Part No 595-TL432LIAQDBZR	Texas Instruments	Voltage References Adjustable precision shunt regulator wit Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	3,895In 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 2,305In Stock	Mfr. Part No. TL432LIBIDBZR Mouser Part No 595-TL432LIBIDBZR	Texas Instruments	Voltage References Adjustable precision shunt regulator wit Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	2,305In 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 TL432LIBQDBZRQ1 Texas Instruments 1: $0.64 2,799In Stock	Mfr. Part No. TL432LIBQDBZRQ1 Mouser Part No 595-TL432LIBQDBZRQ1	Texas Instruments	Voltage References Automotive adjustab le precision shunt Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	2,799In Stock	Cut Tape $0.64 $0.456 $0.409 $0.357 Reel $0.289 View $0.332 $0.317 $0.305 $0.282 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: $0.99 14,998Expected 21/01/2027	Mfr. Part No. TL431LIAQDBZRQ1 Mouser Part No 595-TL431LIAQDBZRQ1	Texas Instruments	Voltage References Automotive adjustab le precision shunt Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	14,998Expected 21/01/2027	Cut Tape $0.99 $0.713 $0.644 $0.567 Reel $0.466 View $0.53 $0.508 $0.493 $0.449 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: $1.36 21,270Expected 02/11/2026	Mfr. Part No. TL431LIBQDBZRQ1 Mouser Part No 595-TL431LIBQDBZRQ1	Texas Instruments	Voltage References Automotive adjustab le precision shunt Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	21,270Expected 02/11/2026	Cut Tape $1.36 $0.979 $0.886 $0.783 Reel $0.638 View $0.734 $0.705 $0.677 $0.635 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 Automotive adjustab le precision shunt TL432LIAQDBZRQ1 Texas Instruments 1: $0.56 3,000Expected 03/12/2026	Mfr. Part No. TL432LIAQDBZRQ1 Mouser Part No 595-TL432LIAQDBZRQ1	Texas Instruments	Voltage References Automotive adjustab le precision shunt Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	3,000Expected 03/12/2026	Cut Tape $0.56 $0.387 $0.346 $0.301 Reel $0.234 View $0.279 $0.266 $0.255 $0.228 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 TL432LIBQDBZR Texas Instruments 1: $0.32 3,000Expected 07/01/2027	Mfr. Part No. TL432LIBQDBZR Mouser Part No 595-TL432LIBQDBZR	Texas Instruments	Voltage References Adjustable precision shunt regulator wit Learn More about Texas Instruments ti tl431li tl432li shunt regulators	Datasheet	3,000Expected 07/01/2027	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

TL43xLI/TL43xLI-Q1 Programmable Shunt Regulators

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