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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LM4040CIM3-2.5+T	2511246 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:2511246 2511246RL in Re-reel	1+ $2.39 ($2.75) 10+ $2.08 ($2.39) 25+ $1.84 ($2.12) 100+ $1.60 ($1.84) 250+ $1.49 ($1.71) 500+ $1.37 ($1.58) 2500+ $1.00 ($1.15) 5000+ $0.971 ($1.12) 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	0.5%	± 20ppm/°C	SOT-23	3Pins	-40°C	85°C	-
MAX6225AESA+T	2799198 Data Sheet + RoHS	Voltage Reference, Series - Fixed, 2.5V, 0.02 %, ± 1.5ppm/°C, NSOIC-8 ANALOG DEVICES You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2799198 2799198RL in Re-reel	1+ $26.69 ($30.69) 10+ $24.29 ($27.93) 25+ $21.19 ($24.37) 100+ $18.08 ($20.79) 250+ $17.72 ($20.38) 2500+ $17.36 ($19.96) 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	-	2.5V	0.02%	± 1.5ppm/°C	NSOIC	8Pins	-40°C	85°C	-
LM4041BIM3-1.2+T	2909935 Data Sheet + RoHS	Voltage Reference, Shunt - Fixed, 1.225V, 0.2% Ref, ± 15ppm/°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:2909935 2909935RL in Re-reel	1+ $3.12 ($3.59) 10+ $2.57 ($2.96) 25+ $2.41 ($2.77) 100+ $2.26 ($2.60) 250+ $2.11 ($2.43) 500+ $1.85 ($2.13) 2500+ $1.67 ($1.92) 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	-	1.225V	0.2%	± 15ppm/°C	SOT-23	3Pins	-40°C	85°C	-
LM385D-2.5R2G	3368545 Data Sheet + RoHS	VOLT REF, SHUNT, 2.5V, 0 TO 70DEG C ONSEMI You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:3368545 3368545RL in Re-reel	1+ $1.33 ($1.53) 10+ $1.20 ($1.38) 25+ $1.13 ($1.30) 100+ $0.868 ($1.00) 250+ $0.766 ($0.88) 500+ $0.726 ($0.83) 1000+ $0.623 ($0.72) 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	-	2.5V	3%	± 80ppm/°C	NSOIC	8Pins	0°C	70°C	-
AS431BZTR-E1	3483053 Data Sheet + RoHS	VOLT REF, SHUNT, 2.5V, -40 TO 125DEG C DIODES INC. You previously purchased this product. View in Order History	Each	5+ $0.441 ($0.51) 100+ $0.187 ($0.22) 1000+ $0.118 ($0.14) 2000+ $0.098 ($0.11) 10000+ $0.07 ($0.08) 50000+ $0.066 ($0.08) 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	-	2.5V to 36V	1%	20ppm/°C	TO-92	3Pins	-40°C	125°C	-

MAX6161BESA+	2799194 Data Sheet + RoHS	Voltage Reference, Series - Fixed, 1.25V, 4 mV, ± 6ppm/°C, NSOIC-8 ANALOG DEVICES You previously purchased this product. View in Order History	Each	1+ $8.69 ($9.99) 10+ $7.61 ($8.75) 25+ $7.39 ($8.50) 100+ $6.40 ($7.36) 300+ $6.07 ($6.98) 500+ $5.45 ($6.27) 1000+ $5.08 ($5.84) 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	-	1.25V	4mV	± 6ppm/°C	NSOIC	8Pins	-40°C	85°C	-

LM4041CFTA	1461554 Data Sheet + RoHS	Voltage Reference, Precision Micropower, Shunt - Fixed, AEC-Q100 LM4041 Series, 1.225V, 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:1461554 1461554RL in Re-reel	1+ $0.986 ($1.13) 10+ $0.826 ($0.95) 100+ $0.626 ($0.72) 500+ $0.529 ($0.61) 1000+ $0.423 ($0.49) 3000+ $0.382 ($0.44) 6000+ $0.378 ($0.43) 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	LM4041	1.225V	0.5%	± 20ppm/°C	SOT-23	3Pins	-40°C	125°C	AEC-Q100

LM4041CFTA	1461554RL Data Sheet + RoHS	Voltage Reference, Precision Micropower, Shunt - Fixed, AEC-Q100 LM4041 Series, 1.225V, 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:1461554RL 1461554 in Cut Tape	100+ $0.626 ($0.72) 500+ $0.529 ($0.61) 1000+ $0.423 ($0.49) 3000+ $0.382 ($0.44) 6000+ $0.378 ($0.43)	Restricted Item Minimum order of 100 items Multiples of 5 only Please enter a valid quantity Add Min: 100 Mult: 5	Shunt - Fixed	LM4041	1.225V	0.5%	± 20ppm/°C	SOT-23	3Pins	-40°C	125°C	AEC-Q100

LM4040CIM3-2.5+T	2511246RL 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:2511246RL 2511246 in Cut Tape	100+ $1.60 ($1.84) 250+ $1.49 ($1.71) 500+ $1.37 ($1.58) 2500+ $1.00 ($1.15) 5000+ $0.971 ($1.12)	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	-

LM4050BEM3-4.1+T	2511266RL Data Sheet + RoHS	Voltage Reference Shunt - Fixed, 4.096V reference, ± 30ppm/°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:2511266RL 2511266 in Cut Tape	100+ $3.39 ($3.90) 250+ $3.22 ($3.70) 500+ $2.89 ($3.32) 2500+ $2.69 ($3.09)	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	0.2%	± 30ppm/°C	SOT-23	3Pins	-40°C	125°C	-

LM4050AEM3-2.1+T	2511261RL Data Sheet + RoHS	Voltage Reference Shunt - Fixed, 2.048V 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:2511261RL 2511261 in Cut Tape	100+ $4.84 ($5.57) 250+ $4.58 ($5.27) 500+ $4.11 ($4.73) 2500+ $3.84 ($4.42)	Restricted Item Minimum order of 100 items Multiples of 1 only Please enter a valid quantity Add Min: 100 Mult: 1	Shunt - Fixed	LM4050	2.048V	0.1%	± 20ppm/°C	SOT-23	3Pins	-40°C	125°C	-

LM4050AEM3-2.1+T	2511261 Data Sheet + RoHS	Voltage Reference Shunt - Fixed, 2.048V 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:2511261 2511261RL in Re-reel	1+ $6.55 ($7.53) 10+ $5.55 ($6.38) 25+ $5.20 ($5.98) 100+ $4.84 ($5.57) 250+ $4.58 ($5.27) 500+ $4.11 ($4.73) 2500+ $3.84 ($4.42) 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	LM4050	2.048V	0.1%	± 20ppm/°C	SOT-23	3Pins	-40°C	125°C	-

LM4050BEM3-4.1+T	2511266 Data Sheet + RoHS	Voltage Reference Shunt - Fixed, 4.096V reference, ± 30ppm/°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:2511266 2511266RL in Re-reel	1+ $4.60 ($5.29) 10+ $3.93 ($4.52) 25+ $3.91 ($4.50) 100+ $3.39 ($3.90) 250+ $3.22 ($3.70) 500+ $2.89 ($3.32) 2500+ $2.69 ($3.09) 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	LM4050	4.096V	0.2%	± 30ppm/°C	SOT-23	3Pins	-40°C	125°C	-

MAX6225AESA+T	2799198RL Data Sheet + RoHS	Voltage Reference, Series - Fixed, 2.5V, 0.02 %, ± 1.5ppm/°C, NSOIC-8 ANALOG DEVICES You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Re-reel Packaging Options Suggested replacement for:2799198RL 2799198 in Cut Tape	10+ $24.29 ($27.93) 25+ $21.19 ($24.37) 100+ $18.08 ($20.79) 250+ $17.72 ($20.38) 2500+ $17.36 ($19.96)	Restricted Item Minimum order of 10 items Multiples of 1 only Please enter a valid quantity Add Min: 10 Mult: 1	Series - Fixed	-	2.5V	0.02%	± 1.5ppm/°C	NSOIC	8Pins	-40°C	85°C	-

LM4041BIM3-1.2+T	2909935RL Data Sheet + RoHS	Voltage Reference, Shunt - Fixed, 1.225V, 0.2% Ref, ± 15ppm/°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:2909935RL 2909935 in Cut Tape	100+ $2.26 ($2.60) 250+ $2.11 ($2.43) 500+ $1.85 ($2.13) 2500+ $1.67 ($1.92)	Restricted Item Minimum order of 100 items Multiples of 1 only Please enter a valid quantity Add Min: 100 Mult: 1	Shunt - Fixed	-	1.225V	0.2%	± 15ppm/°C	SOT-23	3Pins	-40°C	85°C	-

LM385D-2.5R2G	3368545RL Data Sheet + RoHS	VOLT REF, SHUNT, 2.5V, 0 TO 70DEG C ONSEMI You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Re-reel Packaging Options Suggested replacement for:3368545RL 3368545 in Cut Tape	100+ $0.868 ($1.00) 250+ $0.766 ($0.88) 500+ $0.726 ($0.83) 1000+ $0.623 ($0.72)	Restricted Item Minimum order of 100 items Multiples of 5 only Please enter a valid quantity Add Min: 100 Mult: 5	Shunt - Fixed	-	2.5V	3%	± 80ppm/°C	NSOIC	8Pins	0°C	70°C	-

MAX6126A25+T	2987379RL Data Sheet + RoHS	Voltage Reference, Series - Fixed, 2.5 V, ± 2 ppm/°C, -40 °C to 125 °C, µMax-8 ANALOG DEVICES You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Re-reel Packaging Options Suggested replacement for:2987379RL 2987379 in Cut Tape	10+ $13.69 ($15.74) 25+ $12.67 ($14.57) 100+ $11.34 ($13.04) 250+ $10.82 ($12.44) 500+ $9.86 ($11.34) 2500+ $9.82 ($11.29) More Pricing...	Restricted Item Minimum order of 10 items Multiples of 1 only Please enter a valid quantity Add Min: 10 Mult: 1	Series - Fixed	MAX6126 Series	2.5V	0.06%	± 2ppm/°C	µMax	8Pins	-40°C	125°C	-

LM4040BIM3-2.0/NOPB	3009193RL + RoHS	Voltage Reference, Precision Micropower, Shunt - Fixed, AEC-Q100 LM4040 Series, 2.048V, 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:3009193RL 3009193 in Cut Tape	1+ $3.54 ($4.07) 25+ $2.10 ($2.42)	Restricted Item Minimum order of 100 items Multiples of 1 only Please enter a valid quantity Add Min: 100 Mult: 1	Shunt - Fixed	LM4040	2.048V	0.2%	± 20ppm/°C	SOT-23	3Pins	-40°C	85°C	AEC-Q100

MAX6126A25+T	2987379 Data Sheet + RoHS	Voltage Reference, Series - Fixed, 2.5 V, ± 2 ppm/°C, -40 °C to 125 °C, µMax-8 ANALOG DEVICES You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2987379 2987379RL in Re-reel	1+ $15.15 ($17.42) 10+ $13.69 ($15.74) 25+ $12.67 ($14.57) 100+ $11.34 ($13.04) 250+ $10.82 ($12.44) 500+ $9.86 ($11.34) 2500+ $9.82 ($11.29) 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	MAX6126 Series	2.5V	0.06%	± 2ppm/°C	µMax	8Pins	-40°C	125°C	-

LM4040BIM3-2.0/NOPB	3009193 + RoHS	Voltage Reference, Precision Micropower, Shunt - Fixed, AEC-Q100 LM4040 Series, 2.048V, 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:3009193 3009193RL in Re-reel	1+ $3.54 ($4.07) 10+ $2.14 ($2.46) 25+ $2.10 ($2.42)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Shunt - Fixed	LM4040	2.048V	0.2%	± 20ppm/°C	SOT-23	3Pins	-40°C	85°C	AEC-Q100

LM4132BMF-4.1/NOPB	3124480 + RoHS	VOLTAGE REF, SERIES, 4.096V, SOT-23-5 TEXAS INSTRUMENTS You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:3124480 3124480RL in Re-reel	1+ $5.81 ($6.68) 10+ $4.69 ($5.39) 25+ $4.62 ($5.31) 100+ $4.29 ($4.93) 250+ $4.07 ($4.68) 500+ $3.65 ($4.20) 1000+ $3.18 ($3.66) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	-	-	-	-	-	-	-

LM4132BMF-4.1/NOPB	3124480RL + RoHS	VOLTAGE REF, SERIES, 4.096V, SOT-23-5 TEXAS INSTRUMENTS You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Re-reel Packaging Options Suggested replacement for:3124480RL 3124480 in Cut Tape	25+ $4.62 ($5.31) 100+ $4.29 ($4.93) 250+ $4.07 ($4.68) 500+ $3.65 ($4.20) 1000+ $3.18 ($3.66)	Restricted Item Minimum order of 100 items Multiples of 1 only Please enter a valid quantity Add Min: 100 Mult: 1	-	-	-	-	-	-	-	-	-	-

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+ $2.20 ($2.53) 10+ $1.98 ($2.28) 25+ $1.89 ($2.17) 100+ $1.55 ($1.78) 250+ $1.45 ($1.67) 500+ $1.29 ($1.48) 1000+ $1.01 ($1.16) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	-	-	-	-	-	-	-

TL431ASA-7	1904055 Data Sheet Data Sheet + RoHS	Voltage Reference, Precision, Shunt - Adjustable, TL431 Series, 2.495V to 36V, 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:1904055 1904055RL in Re-reel	5+ $0.57 ($0.66) 100+ $0.244 ($0.28) 1000+ $0.186 ($0.21) 3000+ $0.146 ($0.17) 9000+ $0.129 ($0.15) 45000+ $0.117 ($0.13) 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%	-	SOT-23	3Pins	-40°C	125°C	-

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+ $2.08 ($2.39) 25+ $1.73 ($1.99) 100+ $1.54 ($1.77)	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	-