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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 (CHF) 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: 0.217 CHF 59 192In 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 192In Stock	Cut Tape 0.217 CHF 0.148 CHF 0.131 CHF 0.112 CHF Reel 0.088 CHF View 0.104 CHF 0.098 CHF 0.095 CHF 0.086 CHF 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: 0.813 CHF 2 632In 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 632In Stock	Cut Tape 0.813 CHF 0.584 CHF 0.527 CHF 0.464 CHF Reel 0.383 CHF View 0.434 CHF 0.417 CHF 0.404 CHF 0.355 CHF 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: 0.515 CHF 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 0.515 CHF 0.367 CHF 0.329 CHF 0.287 CHF Reel 0.239 CHF View 0.268 CHF 0.256 CHF 0.245 CHF 0.238 CHF 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: 1.18 CHF 34 154In 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 154In Stock	Cut Tape 1.18 CHF 0.87 CHF 0.785 CHF 0.696 CHF Reel 0.593 CHF View 0.653 CHF 0.629 CHF 0.621 CHF 0.58 CHF 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: 1.12 CHF 44 771In Stock	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	44 771In Stock	Cut Tape 1.12 CHF 0.821 CHF 0.739 CHF 0.654 CHF Reel 0.545 CHF View 0.614 CHF 0.59 CHF 0.574 CHF 0.533 CHF 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: 0.233 CHF 16 450In 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	16 450In Stock	Cut Tape 0.233 CHF 0.161 CHF 0.142 CHF 0.123 CHF View Reel 0.095 CHF 0.112 CHF 0.107 CHF 0.102 CHF 0.095 CHF 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: 0.241 CHF 3 989In Stock 3 000Expected 04/02/2027	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	3 989In Stock 3 000Expected 04/02/2027	Cut Tape 0.241 CHF 0.166 CHF 0.148 CHF 0.127 CHF Reel 0.099 CHF View 0.117 CHF 0.111 CHF 0.107 CHF 0.096 CHF 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: 0.193 CHF 9 404In 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 404In Stock	Cut Tape 0.193 CHF 0.132 CHF 0.117 CHF 0.099 CHF Reel 0.077 CHF View 0.091 CHF 0.086 CHF 0.082 CHF 0.074 CHF 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: 0.185 CHF 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 0.185 CHF 0.121 CHF 0.107 CHF 0.09 CHF View Reel 0.066 CHF 0.076 CHF 0.071 CHF 0.067 CHF 0.066 CHF 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: 0.652 CHF 1 404In 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 404In Stock	Cut Tape 0.652 CHF 0.463 CHF 0.417 CHF 0.366 CHF View Reel 0.308 CHF 0.343 CHF 0.327 CHF 0.314 CHF 0.308 CHF 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: 0.201 CHF 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 0.201 CHF 0.139 CHF 0.124 CHF 0.106 CHF Reel 0.082 CHF View 0.096 CHF 0.092 CHF 0.088 CHF 0.079 CHF 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: 0.201 CHF 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 0.201 CHF 0.139 CHF 0.124 CHF 0.106 CHF Reel 0.082 CHF View 0.096 CHF 0.092 CHF 0.088 CHF 0.078 CHF 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: 0.25 CHF 4 921In 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	4 921In Stock	Cut Tape 0.25 CHF 0.169 CHF 0.149 CHF 0.127 CHF Reel 0.097 CHF View 0.117 CHF 0.11 CHF 0.105 CHF 0.095 CHF 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: 0.298 CHF 2 145In Stock 3 000Expected 05/11/2026	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 145In Stock 3 000Expected 05/11/2026	Cut Tape 0.298 CHF 0.204 CHF 0.182 CHF 0.157 CHF Reel 0.118 CHF View 0.145 CHF 0.138 CHF 0.132 CHF 0.114 CHF 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: 0.177 CHF 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 0.177 CHF 0.122 CHF 0.108 CHF 0.092 CHF Reel 0.076 CHF View 0.084 CHF 0.08 CHF 0.079 CHF 0.068 CHF 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: 0.241 CHF 2 295In 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 295In Stock	Cut Tape 0.241 CHF 0.166 CHF 0.148 CHF 0.127 CHF Reel 0.099 CHF View 0.117 CHF 0.111 CHF 0.107 CHF 0.096 CHF 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: 0.797 CHF 14 998Expected 25/02/2027	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 25/02/2027	Cut Tape 0.797 CHF 0.574 CHF 0.519 CHF 0.457 CHF View Reel 0.387 CHF 0.427 CHF 0.409 CHF 0.397 CHF 0.387 CHF 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: 1.10 CHF 19 170Expected 19/11/2026	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	19 170Expected 19/11/2026	Cut Tape 1.10 CHF 0.788 CHF 0.713 CHF 0.63 CHF Reel 0.539 CHF View 0.591 CHF 0.567 CHF 0.549 CHF 0.528 CHF 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: 0.515 CHF 3 000Expected 10/12/2026	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 10/12/2026	Cut Tape 0.515 CHF 0.359 CHF 0.321 CHF 0.279 CHF View Reel 0.197 CHF 0.259 CHF 0.247 CHF 0.237 CHF 0.197 CHF 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: 0.257 CHF 3 000Expected 18/02/2027	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 18/02/2027	Cut Tape 0.257 CHF 0.175 CHF 0.154 CHF 0.131 CHF Reel 0.097 CHF View 0.121 CHF 0.114 CHF 0.107 CHF 0.095 CHF 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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