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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 (GBP) 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: £0.203 58,363In 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	58,363In Stock	Cut Tape £0.203 £0.138 £0.122 £0.105 Reel £0.082 View £0.097 £0.092 £0.088 £0.08 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: £0.759 2,622In 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	2,622In Stock	Cut Tape £0.759 £0.545 £0.491 £0.433 Reel £0.357 View £0.405 £0.388 £0.377 £0.331 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: £0.48 2,764In 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	2,764In Stock	Cut Tape £0.48 £0.342 £0.307 £0.268 Reel £0.229 View £0.25 £0.238 £0.229 £0.223 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 TL431LIAEDBZRQ1 Texas Instruments 1: £1.05 46,461In 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	46,461In Stock	Cut Tape £1.05 £0.766 £0.689 £0.61 Reel £0.508 View £0.573 £0.55 £0.535 £0.497 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 Automotive adjustab le precision shunt TL431LIBEDBZRQ1 Texas Instruments 1: £1.10 34,209In 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	34,209In Stock	Cut Tape £1.10 £0.811 £0.732 £0.65 Reel £0.553 View £0.609 £0.587 £0.579 £0.541 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 Adjustable precision shunt regulator wit TL431LIAQDBZR Texas Instruments 1: £0.217 16,438In 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	16,438In Stock	Cut Tape £0.217 £0.15 £0.133 £0.114 View Reel £0.089 £0.105 £0.10 £0.095 £0.089 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: £0.217 696In Stock 3,000Expected 15/03/2027	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	696In Stock 3,000Expected 15/03/2027	Cut Tape £0.217 £0.148 £0.132 £0.112 Reel £0.093 View £0.103 £0.10 £0.09 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: £0.21 9,558In 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	9,558In Stock	Cut Tape £0.21 £0.142 £0.126 £0.107 Reel £0.082 View £0.098 £0.093 £0.088 £0.079 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 TL431LIBIDBZR Texas Instruments 1: £0.233 3,901In 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	3,901In Stock	Cut Tape £0.233 £0.158 £0.139 £0.119 Reel £0.091 View £0.109 £0.103 £0.098 £0.088 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: £0.285 1,685In Stock 3,000Expected 17/11/2026	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	1,685In Stock 3,000Expected 17/11/2026	Cut Tape £0.285 £0.196 £0.175 £0.151 View Reel £0.113 £0.14 £0.131 £0.125 £0.113 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: £0.165 6,489In 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	6,489In Stock	Cut Tape £0.165 £0.111 £0.099 £0.083 Reel £0.064 View £0.077 £0.072 £0.069 £0.061 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: £0.646 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 £0.646 £0.459 £0.415 £0.363 Reel £0.298 View £0.34 £0.325 £0.313 £0.294 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: £0.217 2,328In 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	2,328In Stock	Cut Tape £0.217 £0.152 £0.134 £0.114 Reel £0.088 View £0.105 £0.10 £0.094 £0.086 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 TL432LIAQDBZR Texas Instruments 1: £0.188 3,569In 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	3,569In Stock	Cut Tape £0.188 £0.132 £0.116 £0.10 Reel £0.077 View £0.091 £0.086 £0.082 £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	- 40 C	+ 125 C	TL432LI	Reel, Cut Tape, MouseReel
Voltage References Adjustable precision shunt regulator wit TL432LIBCDBZR Texas Instruments 1: £0.188 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 £0.188 £0.129 £0.115 £0.099 Reel £0.077 View £0.09 £0.086 £0.082 £0.075 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 TL432LIBIDBZR Texas Instruments 1: £0.225 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 £0.225 £0.155 £0.138 £0.119 Reel £0.093 View £0.109 £0.104 £0.10 £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	TL432LI	Reel, Cut Tape, MouseReel
Voltage References Automotive adjustab le precision shunt TL431LIAQDBZRQ1 Texas Instruments 1: £0.841 14,998Expected 26/04/2027	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 26/04/2027	Cut Tape £0.841 £0.608 £0.55 £0.485 View Reel £0.402 £0.454 £0.436 £0.426 £0.402 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 19,170On Order	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	19,170On Order On Order Ship Dates Mfr. No: TL431LIBQDBZRQ1 Stock: 0 On Order: 4,170 Expected 11/11/2026 15,000 Expected 16/11/2026 Factory Lead Time: 26 Weeks	Cut Tape £1.10 £0.796 £0.716 £0.634 View Reel £0.523 £0.595 £0.571 £0.559 £0.523 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: £0.271 3,000Expected 31/05/2027	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 31/05/2027	Cut Tape £0.271 £0.185 £0.163 £0.14 View Reel £0.108 £0.127 £0.12 £0.115 £0.108 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: £0.48 Non-Stocked Lead-Time 26 Weeks	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	Non-Stocked Lead-Time 26 Weeks	Cut Tape £0.48 £0.335 £0.299 £0.26 View Reel £0.208 £0.242 £0.23 £0.221 £0.208 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

TL43xLI/TL43xLI-Q1 Programmable Shunt Regulators

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TL43xLI/TL43xLI-Q1 Programmable Shunt Regulators

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