Voltage References

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We offer many types of voltage references from multiple manufacturers.

Voltage references are accurate, temperature-compensated voltage sources that provide specific output voltage values. Voltage reference ICs may be either shunt voltage reference (two-terminal) or series voltage reference (three-terminal) types.

A shunt voltage reference is usually designed to work over a wide range of currents. It is as simple to use as a Zener diode. Series voltage references are ideal for circuits with large changes in supply voltage or load current. They are especially useful with very large load currents as there is no series resistor between the reference and supply.

Our specialist products include precision voltage references for signal-conditioning applications using a single voltage source. A particularly popular offering is the TLV431 precision voltage reference. The TLV431 is a three terminal adjustable shunt reference offering excellent temperature stability and output current handling capability up to 20mA. The output voltage may be set to any chosen voltage between 1.24V and 18V by selection of two external divider resistors. It can be used as a replacement for Zener diodes in many applications requiring an improvement in Zener performance.

Fixed, adjustable and programmable variants are available in both shunt and series configurations. Reference voltages range from 0.5V to ±10V, while temperature coefficients cover 0.3ppm/°C to ±300ppm/°C.

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Manufacturer Part No	Order Code	Description / Manufacturer	Price For	Price (Incl GST)	Quantity	Voltage Reference Type	Product Range	Reference Voltage	Initial Accuracy	Temperature Coefficient	Voltage Reference Case Style	No. of Pins	Operating Temperature Min	Operating Temperature Max	Automotive Qualification Standard
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MCP1525-I/TO	1292235 Data Sheet + RoHS	Voltage Reference, Precision, Series - Fixed, MCP1525 Series, 2.5V, TO-226AA-3 MICROCHIP You previously purchased this product. View in Order History	Each	1+ $1.91 ($2.10) 25+ $1.59 ($1.75) 100+ $1.41 ($1.55)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Series - Fixed	MCP1525	2.5V	1%	± 27ppm/°C	TO-92	3Pins	-40°C	85°C	-
ZRC250F02TA	1132730 Data Sheet + RoHS	Voltage Reference, Precision, Shunt - Fixed, ZRC250 Series, 2.5V, SOT-23-3 DIODES INC. You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:1132730 1132730RL in Re-reel	1+ $1.69 ($1.86) 10+ $1.51 ($1.66) 25+ $1.43 ($1.57) 100+ $1.18 ($1.30) 250+ $1.10 ($1.21) 500+ $0.968 ($1.06) 1000+ $0.802 ($0.88) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Shunt - Fixed	ZRC250	2.5V	2%	± 300ppm/°C	SOT-23	3Pins	-40°C	85°C	-
TL431BQDBZR	3009357 + RoHS	Voltage Reference, Precision, Shunt - Adjustable, TL431 Series, 2.495V to 36V, SOT-23-3 TEXAS INSTRUMENTS You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:3009357 3009357RL in Re-reel	1+ $0.469 ($0.52)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Shunt - Adjustable	-	2.495V to 36V	0.5%	92ppm/°C	SOT-23	3Pins	-40°C	125°C	-
TL431ACL3T	3132689 Data Sheet + RoHS	Voltage Reference, Shunt-Adjustable, 2.495V to 36V, 1 % Ref, SOT-23-3 STMICROELECTRONICS You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:3132689 3132689RL in Re-reel	5+ $0.843 ($0.93) 25+ $0.785 ($0.86) 100+ $0.458 ($0.50) 250+ $0.584 ($0.64) 500+ $0.39 ($0.43) 1000+ $0.343 ($0.38) 3000+ $0.309 ($0.34) 6000+ $0.295 ($0.32) 9000+ $0.284 ($0.31) 24000+ $0.272 ($0.30) More Pricing...	Restricted Item Minimum order of 5 items Multiples of 5 only Please enter a valid quantity Add Min: 5 Mult: 5	Shunt - Adjustable	-	2.495V to 36V	1%	-	SOT-23	3Pins	0°C	70°C	-
ZRB500F01TA	1132721RL Data Sheet + RoHS	Voltage Reference, Precision Micropower, Shunt - Fixed, ZRB500 Series, 5V, SOT-23-3 DIODES INC. You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Re-reel Packaging Options Suggested replacement for:1132721RL 1132721 in Cut Tape	100+ $0.948 ($1.04) 250+ $0.881 ($0.97) 500+ $0.75 ($0.83) 1000+ $0.60 ($0.66)	Restricted Item Minimum order of 100 items Multiples of 1 only Please enter a valid quantity Add Min: 100 Mult: 1	Shunt - Fixed	ZRB500	5V	1%	± 15ppm/°C	SOT-23	3Pins	-40°C	85°C	-

ZRB500F01TA	1132721 Data Sheet + RoHS	Voltage Reference, Precision Micropower, Shunt - Fixed, ZRB500 Series, 5V, SOT-23-3 DIODES INC. You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:1132721 1132721RL in Re-reel	1+ $1.41 ($1.55) 10+ $1.25 ($1.38) 25+ $1.17 ($1.29) 100+ $0.948 ($1.04) 250+ $0.881 ($0.97) 500+ $0.75 ($0.83) 1000+ $0.60 ($0.66) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Shunt - Fixed	ZRB500	5V	1%	± 15ppm/°C	SOT-23	3Pins	-40°C	85°C	-

MCP1501T-25E/CHY	2857778 Data Sheet + RoHS	Voltage Reference, Series - Fixed, 2.5V, 0.1 % Ref, 50ppm/°C, SOT-23-6 MICROCHIP You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2857778 2857778RL in Re-reel	1+ $1.66 ($1.83) 25+ $1.37 ($1.51) 100+ $1.28 ($1.41)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	-	-	-	-	-	-	-

LM4050AIM3-4.1/NOPB	3009247 + RoHS	Voltage Reference, Precision Micropower, Shunt - Fixed, LM4050 Series, 4.096V, SOT-23-3 TEXAS INSTRUMENTS You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:3009247 3009247RL in Re-reel	1+ $3.69 ($4.06) 10+ $4.70 ($5.17) 25+ $4.44 ($4.88) 100+ $2.66 ($2.93) 250+ $2.50 ($2.75)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Shunt - Fixed	LM4050	4.096V	0.1%	± 30ppm/°C	SOT-23	3Pins	-40°C	85°C	-

LM4040CIM3-2.5/NOPB	3124427 + RoHS	Voltage Reference, Precision Micropower, Shunt - Fixed, AEC-Q100 LM4040 Series, 2.5V, SOT-23-3 TEXAS INSTRUMENTS You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:3124427 3124427RL in Re-reel	1+ $1.41 ($1.55) 10+ $1.27 ($1.40) 25+ $1.20 ($1.32) 100+ $1.06 ($1.17)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Shunt - Fixed	LM4040	2.5V	0.5%	± 20ppm/°C	SOT-23	3Pins	-40°C	85°C	AEC-Q100

TS3431CILT	1374141RL Data Sheet + RoHS	Voltage Reference, Shunt - Adjustable, TS3431 Series, 1.24V to 24V, SOT-23-3 STMICROELECTRONICS You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Re-reel Packaging Options Suggested replacement for:1374141RL 1374141 in Cut Tape	100+ $0.93 ($1.02) 250+ $0.864 ($0.95) 500+ $0.735 ($0.81) 1000+ $0.589 ($0.65) 3000+ $0.533 ($0.59) 6000+ $0.52 ($0.57) More Pricing...	Restricted Item Minimum order of 100 items Multiples of 1 only Please enter a valid quantity Add Min: 100 Mult: 1	Shunt - Adjustable	TS3431	1.24V to 24V	0.25%	± 100ppm/°C	SOT-23	3Pins	-40°C	125°C	-

TL1431IDT	2849817 Data Sheet + RoHS	Voltage Reference, Shunt - Adjustable, 2.5V to 36V, 0.4 % Ref, ± 22ppm/°C, SOIC-8 STMICROELECTRONICS You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2849817 2849817RL in Re-reel	1+ $1.00 ($1.10) 10+ $0.884 ($0.97) 25+ $0.83 ($0.91) 100+ $0.678 ($0.75) 250+ $0.629 ($0.69) 500+ $0.536 ($0.59) 1000+ $0.429 ($0.47) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Shunt - Adjustable	-	2.5V to 36V	0.4%	± 22ppm/°C	SOIC	8Pins	-40°C	105°C	-

ISL60002DIH320Z-TK	2983620 Data Sheet + RoHS	Voltage Reference, Series - Fixed, 2.048V, 5mV% Ref, ± 20ppm/°C, SOT-23-3 RENESAS You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2983620 2983620RL in Re-reel	1+ $2.75 ($3.03)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Series - Fixed	-	2.048V	5mV	± 20ppm/°C	SOT-23	3Pins	-40°C	85°C	-

TS3431CILT	1374141 Data Sheet + RoHS	Voltage Reference, Shunt - Adjustable, TS3431 Series, 1.24V to 24V, SOT-23-3 STMICROELECTRONICS You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:1374141 1374141RL in Re-reel	1+ $1.41 ($1.55) 10+ $1.15 ($1.27) 100+ $0.93 ($1.02) 250+ $0.864 ($0.95) 500+ $0.735 ($0.81) 1000+ $0.589 ($0.65) 3000+ $0.533 ($0.59) 6000+ $0.52 ($0.57) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Shunt - Adjustable	TS3431	1.24V to 24V	0.25%	± 100ppm/°C	SOT-23	3Pins	-40°C	125°C	-

TLV431BFTA	1843871 Data Sheet + RoHS	Voltage Reference, Shunt - Adjustable, AEC-Q100 TLV431 Series, 1.24V to 18V, SOT-23-3 DIODES INC. You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:1843871 1843871RL in Re-reel	5+ $0.656 ($0.72) 100+ $0.488 ($0.54) 500+ $0.414 ($0.46) 1000+ $0.367 ($0.40) 3000+ $0.279 ($0.31) 9000+ $0.268 ($0.29) More Pricing...	Restricted Item Minimum order of 5 items Multiples of 5 only Please enter a valid quantity Add Min: 5 Mult: 5	Shunt - Adjustable	TLV431	1.24V to 18V	0.5%	-	SOT-23	3Pins	-40°C	125°C	AEC-Q100

LM4040AIM3-2.5+T	2511234 Data Sheet + RoHS	Voltage Reference Shunt - Fixed, 2.5V reference, ± 20ppm/°C, SOT-23-3 ANALOG DEVICES You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2511234 2511234RL in Re-reel	1+ $4.51 ($4.96) 10+ $3.83 ($4.21) 25+ $3.58 ($3.94) 100+ $3.32 ($3.65) 250+ $3.16 ($3.48) 500+ $2.83 ($3.11) 2500+ $2.26 ($2.49) 5000+ $2.18 ($2.40) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Shunt - Fixed	LM4040	2.5V	0.1%	± 20ppm/°C	SOT-23	3Pins	-40°C	85°C	-

LM4040AIM3-2.5+T	2511234RL Data Sheet + RoHS	Voltage Reference Shunt - Fixed, 2.5V reference, ± 20ppm/°C, SOT-23-3 ANALOG DEVICES You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Re-reel Packaging Options Suggested replacement for:2511234RL 2511234 in Cut Tape	100+ $3.32 ($3.65) 250+ $3.16 ($3.48) 500+ $2.83 ($3.11) 2500+ $2.26 ($2.49) 5000+ $2.18 ($2.40)	Restricted Item Minimum order of 100 items Multiples of 1 only Please enter a valid quantity Add Min: 100 Mult: 1	Shunt - Fixed	LM4040	2.5V	0.1%	± 20ppm/°C	SOT-23	3Pins	-40°C	85°C	-

ZRC250F02TA	1132730RL Data Sheet + RoHS	Voltage Reference, Precision, Shunt - Fixed, ZRC250 Series, 2.5V, SOT-23-3 DIODES INC. You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Re-reel Packaging Options Suggested replacement for:1132730RL 1132730 in Cut Tape	100+ $1.18 ($1.30) 250+ $1.10 ($1.21) 500+ $0.968 ($1.06) 1000+ $0.802 ($0.88)	Restricted Item Minimum order of 100 items Multiples of 1 only Please enter a valid quantity Add Min: 100 Mult: 1	Shunt - Fixed	ZRC250	2.5V	2%	± 300ppm/°C	SOT-23	3Pins	-40°C	85°C	-

TLV431BFTA	1843871RL Data Sheet + RoHS	Voltage Reference, Shunt - Adjustable, AEC-Q100 TLV431 Series, 1.24V to 18V, SOT-23-3 DIODES INC. You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Re-reel Packaging Options Suggested replacement for:1843871RL 1843871 in Cut Tape	100+ $0.488 ($0.54) 500+ $0.414 ($0.46) 1000+ $0.367 ($0.40) 3000+ $0.279 ($0.31) 9000+ $0.268 ($0.29)	Restricted Item Minimum order of 100 items Multiples of 1 only Please enter a valid quantity Add Min: 100 Mult: 1	Shunt - Adjustable	TLV431	1.24V to 18V	0.5%	-	SOT-23	3Pins	-40°C	125°C	AEC-Q100

MCP1501T-25E/CHY	2857778RL Data Sheet + RoHS	Voltage Reference, Series - Fixed, 2.5V, 0.1 % Ref, 50ppm/°C, SOT-23-6 MICROCHIP You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Re-reel Packaging Options Suggested replacement for:2857778RL 2857778 in Cut Tape	100+ $1.28 ($1.41)	Restricted Item Minimum order of 100 items Multiples of 1 only Please enter a valid quantity Add Min: 100 Mult: 1	-	-	-	-	-	-	-	-	-	-

TL1431IDT	2849817RL Data Sheet + RoHS	Voltage Reference, Shunt - Adjustable, 2.5V to 36V, 0.4 % Ref, ± 22ppm/°C, SOIC-8 STMICROELECTRONICS You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Re-reel Packaging Options Suggested replacement for:2849817RL 2849817 in Cut Tape	100+ $0.678 ($0.75) 250+ $0.629 ($0.69) 500+ $0.536 ($0.59) 1000+ $0.429 ($0.47)	Restricted Item Minimum order of 100 items Multiples of 1 only Please enter a valid quantity Add Min: 100 Mult: 1	Shunt - Adjustable	-	2.5V to 36V	0.4%	± 22ppm/°C	SOIC	8Pins	-40°C	105°C	-

LM4050AIM3-4.1/NOPB	3009247RL + RoHS	Voltage Reference, Precision Micropower, Shunt - Fixed, LM4050 Series, 4.096V, SOT-23-3 TEXAS INSTRUMENTS You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Re-reel Packaging Options Suggested replacement for:3009247RL 3009247 in Cut Tape	100+ $2.66 ($2.93) 250+ $2.50 ($2.75)	Restricted Item Minimum order of 100 items Multiples of 1 only Please enter a valid quantity Add Min: 100 Mult: 1	Shunt - Fixed	LM4050	4.096V	0.1%	± 30ppm/°C	SOT-23	3Pins	-40°C	85°C	-

ISL60002DIH320Z-TK	2983620RL Data Sheet + RoHS	Voltage Reference, Series - Fixed, 2.048V, 5mV% Ref, ± 20ppm/°C, SOT-23-3 RENESAS You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Re-reel Packaging Options Suggested replacement for:2983620RL 2983620 in Cut Tape	1+ $2.75 ($3.03)	Restricted Item Minimum order of 100 items Multiples of 1 only Please enter a valid quantity Add Min: 100 Mult: 1	Series - Fixed	-	2.048V	5mV	± 20ppm/°C	SOT-23	3Pins	-40°C	85°C	-

TL431BQDBZR	3009357RL + RoHS	Voltage Reference, Precision, Shunt - Adjustable, TL431 Series, 2.495V to 36V, SOT-23-3 TEXAS INSTRUMENTS You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Re-reel Packaging Options Suggested replacement for:3009357RL 3009357 in Cut Tape	1+ $0.469 ($0.52)	Restricted Item Minimum order of 100 items Multiples of 1 only Please enter a valid quantity Add Min: 100 Mult: 1	Shunt - Adjustable	-	2.495V to 36V	0.5%	92ppm/°C	SOT-23	3Pins	-40°C	125°C	-

LM4040CIM3-2.5/NOPB	3124427RL + RoHS	Voltage Reference, Precision Micropower, Shunt - Fixed, AEC-Q100 LM4040 Series, 2.5V, SOT-23-3 TEXAS INSTRUMENTS You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Re-reel Packaging Options Suggested replacement for:3124427RL 3124427 in Cut Tape	100+ $1.06 ($1.17)	Restricted Item Minimum order of 100 items Multiples of 1 only Please enter a valid quantity Add Min: 100 Mult: 1	Shunt - Fixed	LM4040	2.5V	0.5%	± 20ppm/°C	SOT-23	3Pins	-40°C	85°C	AEC-Q100

TL431ACL3T	3132689RL Data Sheet + RoHS	Voltage Reference, Shunt-Adjustable, 2.495V to 36V, 1 % Ref, SOT-23-3 STMICROELECTRONICS You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Re-reel Packaging Options Suggested replacement for:3132689RL 3132689 in Cut Tape	100+ $0.629 ($0.69) 250+ $0.584 ($0.64) 500+ $0.39 ($0.43) 1000+ $0.382 ($0.42) 3000+ $0.309 ($0.34) 6000+ $0.295 ($0.32) 9000+ $0.284 ($0.31) 24000+ $0.272 ($0.30) More Pricing...	Restricted Item Minimum order of 100 items Multiples of 5 only Please enter a valid quantity Add Min: 100 Mult: 5	Shunt - Adjustable	-	2.495V to 36V	1%	-	SOT-23	3Pins	0°C	70°C	-