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+ $2.15 ($2.47) 25+ $1.77 ($2.04) 100+ $1.59 ($1.83) 1000+ $1.57 ($1.81)	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+ $2.01 ($2.31) 10+ $1.80 ($2.07) 25+ $1.71 ($1.97) 100+ $1.41 ($1.62) 250+ $1.32 ($1.52) 500+ $1.16 ($1.33) 1000+ $0.915 ($1.05) 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	-
TLV431ASN1T1G	2845265 Data Sheet + RoHS	Voltage Reference, Shunt - Adjustable, 1.24V to 16V, 1 % Ref, SOT-23-3 ONSEMI You previously purchased this product. View in Order History		5+ $0.676 ($0.78) 25+ $0.632 ($0.73) 100+ $0.506 ($0.58) 250+ $0.47 ($0.54) 500+ $0.398 ($0.46) 1000+ $0.307 ($0.35) 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	-	1.24V to 16V	1%	-	SOT-23	3Pins	-40°C	85°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	5+ $0.919 ($1.06) 25+ $0.856 ($0.98) 100+ $0.686 ($0.79) 250+ $0.637 ($0.73) 500+ $0.538 ($0.62) 1000+ $0.416 ($0.48) More Pricing...	Restricted Item Minimum order of 5 items Multiples of 5 only Please enter a valid quantity Add Min: 5 Mult: 5	-	-	-	-	-	-	3Pins	0°C	70°C	-
TL431ACZ-AP	1750204 Data Sheet + RoHS	Voltage Reference, Shunt - Adjustable, TL431 Series, 2.495V to 36V, Formed Lead, TO-226AA-3 STMICROELECTRONICS You previously purchased this product. View in Order History	Each	5+ $0.956 ($1.10) 25+ $0.893 ($1.03) 100+ $0.714 ($0.82) 250+ $0.664 ($0.76) 500+ $0.561 ($0.65) 1000+ $0.434 ($0.50) 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	TL431	2.495V to 36V	1%	-	TO-92	3Pins	0°C	70°C	-

LM4040DIZ-5.0/NOPB	3124452 + RoHS	Voltage Reference, Precision Micropower, Shunt - Fixed, LM4040 Series, 5V, TO-226AA-3 TEXAS INSTRUMENTS You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	1+ $1.26 ($1.45) 10+ $1.12 ($1.29) 25+ $1.05 ($1.21) 100+ $0.857 ($0.99) 250+ $0.796 ($0.92) 500+ $0.692 ($0.80) 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	5V	1%	± 30ppm/°C	TO-226AA	3Pins	-40°C	85°C	-

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	1+ $5.70 ($6.56) 10+ $5.12 ($5.89) 25+ $4.84 ($5.57) 100+ $4.20 ($4.83) 250+ $4.12 ($4.74)	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	-

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	1+ $1.03 ($1.18) 10+ $0.916 ($1.05) 25+ $0.859 ($0.99) 100+ $0.702 ($0.81) 250+ $0.652 ($0.75) 500+ $0.555 ($0.64) 1000+ $0.458 ($0.53) 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	1+ $6.33 ($7.28) 10+ $5.71 ($6.57) 25+ $5.40 ($6.21) 100+ $4.68 ($5.38) 250+ $4.43 ($5.09) 500+ $3.98 ($4.58) 1000+ $3.60 ($4.14) 2000+ $3.50 ($4.03) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	-	-	-	3Pins	-40°C	85°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+ $0.852 ($0.98) 25+ $0.796 ($0.92) 100+ $0.638 ($0.73) 250+ $0.592 ($0.68) 500+ $0.501 ($0.58) 1000+ $0.387 ($0.45) More Pricing...	Restricted Item Minimum order of 5 items Multiples of 5 only Please enter a valid quantity Add Min: 5 Mult: 5	-	-	-	-	-	-	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+ $4.72 ($5.43) 10+ $4.25 ($4.89) 25+ $4.02 ($4.62) 100+ $3.48 ($4.00) 250+ $3.31 ($3.81) 500+ $2.96 ($3.40) 2500+ $2.84 ($3.27) 5000+ $2.79 ($3.21) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	-	-	-	3Pins	-40°C	85°C	-

MAX6070BAUT21+T	2799180 Data Sheet + RoHS	Voltage Reference, Series - Fixed, MAX6070 Series, 2.048V, 0.08 %, ± 2ppm/°C, SOT-23-6 ANALOG DEVICES You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	1+ $4.68 ($5.38) 10+ $4.20 ($4.83) 25+ $3.98 ($4.58) 100+ $3.44 ($3.96) 250+ $3.28 ($3.77) 500+ $2.94 ($3.38) 2500+ $2.66 ($3.06) 5000+ $2.62 ($3.01) More Pricing...	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	0.08%	± 2ppm/°C	SOT-23	6Pins	-40°C	125°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+ $3.48 ($4.00) 250+ $3.31 ($3.81) 500+ $2.96 ($3.40) 2500+ $2.84 ($3.27) 5000+ $2.79 ($3.21)	Restricted Item Minimum order of 100 items Multiples of 1 only Please enter a valid quantity Add Min: 100 Mult: 1	-	-	-	-	-	-	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+ $1.41 ($1.62) 250+ $1.32 ($1.52) 500+ $1.16 ($1.33) 1000+ $0.915 ($1.05)	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+ $0.638 ($0.73) 250+ $0.592 ($0.68) 500+ $0.501 ($0.58) 1000+ $0.387 ($0.45)	Restricted Item Minimum order of 100 items Multiples of 1 only Please enter a valid quantity Add Min: 100 Mult: 1	-	-	-	-	-	-	3Pins	-40°C	125°C	AEC-Q100

TL431ACZ-AP	175020401 Data Sheet + RoHS	Voltage Reference, Shunt - Adjustable, TL431 Series, 2.495V to 36V, Formed Lead, TO-226AA-3 STMICROELECTRONICS You previously purchased this product. View in Order History	Each	5+ $0.60 ($0.69)	Restricted Item Minimum order of 5 items Multiples of 5 only Please enter a valid quantity Add Min: 5 Mult: 5	Shunt - Adjustable	TL431	2.495V to 36V	1%	-	TO-92	3Pins	0°C	70°C	-

MCP1525-I/TO	129223501 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+ $1.32 ($1.52)	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	-

ISL60002DIH320Z-TK	298362002 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	1+ $3.80 ($4.37)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	-	-	-	3Pins	-40°C	85°C	-

ZRC250F02TA	113273001 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	1+ $1.23 ($1.41)	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	-

TLV431BFTA	184387102 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	5+ $0.469 ($0.54)	Restricted Item Minimum order of 5 items Multiples of 5 only Please enter a valid quantity Add Min: 5 Mult: 5	-	-	-	-	-	-	3Pins	-40°C	125°C	AEC-Q100

LM4040AIM3-2.5+T	251123402 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	1+ $3.32 ($3.82)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	-	-	-	3Pins	-40°C	85°C	-

TL431ACL3T	313268902 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	5+ $0.46 ($0.53)	Restricted Item Minimum order of 5 items Multiples of 5 only Please enter a valid quantity Add Min: 5 Mult: 5	-	-	-	-	-	-	3Pins	0°C	70°C	-

TL431ACDG	1651199 Data Sheet + RoHS	Voltage Reference, Precision, Shunt - Adjustable, TL431A Series, 2.495V to 36V, SOIC-8 ONSEMI You previously purchased this product. View in Order History	Each	5+ $0.67 ($0.77) 50+ $0.657 ($0.76) 500+ $0.644 ($0.74)	Restricted Item Minimum order of 5 items Multiples of 5 only Please enter a valid quantity Add Min: 5 Mult: 5	Shunt - Adjustable	TL431A	2.495V to 36V	1%	± 50ppm/°C	SOIC	8Pins	0°C	70°C	-

LM4040B25FTA	1825370 Data Sheet + RoHS	Voltage Reference, Precision Micropower, Shunt - Fixed, AEC-Q100 LM4040 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:1825370 1825370RL in Re-reel	1+ $2.02 ($2.32) 10+ $1.79 ($2.06) 25+ $1.68 ($1.93) 100+ $1.36 ($1.56) 250+ $1.26 ($1.45) 500+ $1.07 ($1.23) 1000+ $0.86 ($0.99) 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	0.2%	± 20ppm/°C	SOT-23	3Pins	-40°C	125°C	AEC-Q100

ZRC250F01TA	1132706 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:1132706 1132706RL in Re-reel	1+ $2.38 ($2.74) 10+ $2.14 ($2.46) 25+ $2.02 ($2.32) 100+ $1.66 ($1.91) 250+ $1.56 ($1.79) 500+ $1.37 ($1.58) 1000+ $1.08 ($1.24) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	-	-	-	3Pins	-40°C	85°C	-