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	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+ Rs.109.08 10+ Rs.97.68 25+ Rs.92.80 100+ Rs.75.86 250+ Rs.70.98 500+ Rs.62.68 2500+ Rs.46.72 5000+ Rs.45.79 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	-
LM4040D25ILP	3124439 + RoHS	Voltage Reference, Precision Micropower, Shunt - Fixed, LM4040 Series, 2.5V, TO-226AA-3 TEXAS INSTRUMENTS You previously purchased this product. View in Order History	Each	1+ Rs.78.14 10+ Rs.68.05 100+ Rs.66.31	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	1%	± 20ppm/°C	TO-226AA	3Pins	-40°C	85°C	-
LM431BCZX	3368547 Data Sheet + RoHS	VOLT REF, SHUNT, 2.495-36V, -25TO85DEG C ONSEMI You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:3368547 3368547RL in Re-reel	5+ Rs.22.95 100+ Rs.10.91 1000+ Rs.8.38 2000+ Rs.7.08 10000+ Rs.6.43 24000+ Rs.6.02 50000+ Rs.5.94 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%	± 50ppm/°C	TO-92	3Pins	-25°C	85°C	-
LM4050BEX3-5.0+T	2909929 Data Sheet + RoHS	Voltage Reference, Shunt - Fixed, 5V, 0.2% Ref, ± 30ppm/°C, SC-70-3 ANALOG DEVICES You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2909929 2909929RL in Re-reel	1+ Rs.232.80 10+ Rs.210.01 25+ Rs.197.80 100+ Rs.170.13 250+ Rs.161.17 500+ Rs.142.45 2500+ Rs.132.89 5000+ Rs.123.33 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	-	5V	0.2%	± 30ppm/°C	SC-70	3Pins	-40°C	125°C	-
X60003CIG3Z-50T1	2843196 Data Sheet + RoHS	Voltage Reference, Series - Fixed, 5V, 2.5 mV 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:2843196 2843196RL in Re-reel	1+ Rs.434.68 10+ Rs.380.95 100+ Rs.320.72 250+ Rs.304.44 500+ Rs.273.50 1000+ Rs.230.36 3000+ Rs.218.97 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	-	5V	2.5mV	± 20ppm/°C	SOT-23	3Pins	-40°C	85°C	-

LM4050BEX3-2.5+T	2798779 Data Sheet + RoHS	Voltage Reference, Shunt - Fixed, LM4050 Series, 2.5V, 0.2 %, ± 15ppm/°C, SC-70-3 ANALOG DEVICES You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2798779 2798779RL in Re-reel	1+ Rs.256.41 10+ Rs.231.18 25+ Rs.218.15 100+ Rs.189.66 250+ Rs.179.89 500+ Rs.161.17 2500+ Rs.132.68 5000+ Rs.130.03 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	125°C	-

LM3411M5-5.0/NOPB	3124382 + RoHS	Voltage Reference, Precision, Low Power, Shunt - Fixed, LM3411 Series, 5V, 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:3124382 3124382RL in Re-reel	1+ Rs.153.80	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Shunt - Fixed	-	5V	1%	-	SOT-23	5Pins	-40°C	85°C	-

TL4050A50IDBZT	3124584 + RoHS	Voltage Reference, Precision Micropower, Shunt - Fixed, TL4050 Series, 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:3124584 3124584RL in Re-reel	1+ Rs.233.62 10+ Rs.210.01 25+ Rs.198.62 100+ Rs.191.37	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Shunt - Fixed	TL4050	5V	0.1%	± 30ppm/°C	SOT-23	3Pins	-40°C	85°C	-

LM285BXZ/NOPB	3009159 + RoHS	Voltage Reference, Micropower, Shunt - Adjustable, LM285 Series, 1.24V to 5.3V, TO-226AA-3 TEXAS INSTRUMENTS You previously purchased this product. View in Order History	Each	1+ Rs.209.20 10+ Rs.182.34 100+ Rs.170.73	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Shunt - Adjustable	LM285	1.24V to 5.3V	2%	± 30ppm/°C	TO-226AA	3Pins	-40°C	85°C	-

LM4040CEM3-2.1+T	2909737 Data Sheet + RoHS	Voltage Reference, Shunt - Fixed, 2.048V, 0.5% 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:2909737 2909737RL in Re-reel	1+ Rs.218.15 10+ Rs.196.17 25+ Rs.185.59 100+ Rs.160.36 250+ Rs.152.22 500+ Rs.136.75 2500+ Rs.120.47 5000+ Rs.118.07 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	-	2.048V	0.5%	± 15ppm/°C	SOT-23	3Pins	-40°C	125°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+ Rs.1,218.56 10+ Rs.1,120.06 25+ Rs.1,073.67 100+ Rs.839.23 250+ Rs.822.45 2500+ Rs.805.67 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	-

LM4040CIX3-2.5+T	2909735 Data Sheet + RoHS	Voltage Reference, Shunt - Fixed, 2.5V, 0.5% Ref, ± 15ppm/°C, SC-70-3 ANALOG DEVICES You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2909735 2909735RL in Re-reel	1+ Rs.105.01 10+ Rs.94.42 25+ Rs.89.54 100+ Rs.73.02 250+ Rs.68.29 500+ Rs.60.32 2500+ Rs.46.56 5000+ Rs.45.63 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	0.5%	± 15ppm/°C	SC-70	3Pins	-40°C	85°C	-

LM185H-1.2/NOPB	3009158 + RoHS	Voltage Reference, Micropower, Shunt - Fixed, LM185 Series, 1.235V, Metal Can-2 TEXAS INSTRUMENTS You previously purchased this product. View in Order History	Each	1+ Rs.1,187.77	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Shunt - Fixed	LM185	1.235V	1%	± 150ppm/°C	Metal Can	2Pins	-55°C	125°C	-

MAX6006BESA+	2511108 Data Sheet + RoHS	Voltage Reference Shunt - Fixed, 1.25V reference, ± 75ppm/°C, NSOIC-8 ANALOG DEVICES You previously purchased this product. View in Order History	Each	1+ Rs.172.57 10+ Rs.155.47 25+ Rs.146.52 100+ Rs.124.54 300+ Rs.116.40 500+ Rs.99.31 2500+ Rs.82.21 5000+ Rs.80.57 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Shunt - Fixed	MAX6006	1.25V	0.5%	± 75ppm/°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+ Rs.160.36 10+ Rs.144.89 25+ Rs.136.75 100+ Rs.116.40 250+ Rs.109.08 500+ Rs.96.05 2500+ Rs.79.04 5000+ Rs.77.46 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	-

MAX6279ELA12+	2986950 Data Sheet + RoHS	Voltage Reference, Shunt - Fixed, 1.2V, LCC-8 ANALOG DEVICES You previously purchased this product. View in Order History	Each	1+ Rs.677.25 10+ Rs.612.95 25+ Rs.584.46 100+ Rs.507.13 420+ Rs.441.19 840+ Rs.426.54 1260+ Rs.418.01 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	-	1.2V	-	-	LCC	8Pins	-	-	-

MAX6029EUK33+T	2511300 Data Sheet + RoHS	Voltage Reference, Series - Fixed, 3.3 V, 30 ppm/°C, -40 °C to 85 °C, SOT-23-5 ANALOG DEVICES You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2511300 2511300RL in Re-reel	1+ Rs.511.19 10+ Rs.462.35 25+ Rs.441.19 100+ Rs.382.58 250+ Rs.365.49 500+ Rs.333.74 2500+ Rs.315.83 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	MAX6029	3.3V	0.15%	30ppm/°C	SOT-23	5Pins	-40°C	85°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+ Rs.22.63 100+ Rs.12.05 1000+ Rs.9.20 2000+ Rs.6.64 10000+ Rs.4.07 24000+ Rs.3.83 50000+ Rs.3.58 100000+ Rs.3.09 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	-

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+ Rs.68.38 10+ Rs.57.71 100+ Rs.39.23 500+ Rs.37.12 1000+ Rs.28.90 2500+ Rs.27.63 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	-

TL4050A25IDBZT	3009341 + RoHS	Voltage Reference, Precision Micropower, Shunt - Fixed, TL4050 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:3009341 3009341RL in Re-reel	1+ Rs.227.92 10+ Rs.198.62 100+ Rs.189.94	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Shunt - Fixed	TL4050	2.5V	0.1%	± 20ppm/°C	SOT-23	3Pins	-40°C	85°C	-

ZR404005F25TA	3483136 Data Sheet + RoHS	VOLT REF, SHUNT, 2.5V, -40 TO 85DEG C DIODES INC. You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:3483136 3483136RL in Re-reel	1+ Rs.78.96 10+ Rs.67.07 100+ Rs.51.53 500+ Rs.45.50 1000+ Rs.39.15 3000+ Rs.37.69 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	0.5%	30ppm/°C	SOT-23	3Pins	-40°C	85°C	-

LM4040DIX3-2.5+T	2511254RL Data Sheet + RoHS	Voltage Reference Shunt - Fixed, 2.5V reference, ± 20ppm/°C, SC-70-3 ANALOG DEVICES You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Re-reel Packaging Options Suggested replacement for:2511254RL 2511254 in Cut Tape	100+ Rs.59.91 250+ Rs.56.00 500+ Rs.49.49 2500+ Rs.36.14 5000+ Rs.35.42	Restricted Item Minimum order of 100 items Multiples of 1 only Please enter a valid quantity Add Min: 100 Mult: 1	Shunt - Fixed	LM4040	2.5V	1%	± 20ppm/°C	SC-70	3Pins	-40°C	85°C	-

REF6125IDGKR	2643420 + RoHS	Voltage Reference Series - Fixed, 2.5V reference, 8ppm/°C, VSSOP-8 TEXAS INSTRUMENTS You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2643420 2643420RL in Re-reel	1+ Rs.389.91 10+ Rs.344.32 100+ Rs.292.23 250+ Rs.278.39 500+ Rs.251.53 1000+ Rs.215.71 2500+ Rs.205.13 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	0.05%	8ppm/°C	VSSOP	8Pins	-40°C	125°C	-

REF6133IDGKR	2643422 + RoHS	Voltage Reference Series - Fixed, 3.3V reference, 8ppm/°C, VSSOP-8 TEXAS INSTRUMENTS You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2643422 2643422RL in Re-reel	1+ Rs.438.75 10+ Rs.393.98 25+ Rs.372.00 100+ Rs.322.34 250+ Rs.306.06 500+ Rs.274.32 1000+ Rs.234.43 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	-	3.3V	0.05%	8ppm/°C	VSSOP	8Pins	-40°C	125°C	-

TL432AIDBZT	3009370 + RoHS	Voltage Reference, Precision, Shunt - Adjustable, TL432A 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:3009370 3009370RL in Re-reel	1+ Rs.76.52 10+ Rs.65.53 100+ Rs.60.74	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Shunt - Adjustable	TL432A	2.495V to 36V	1%	-	SOT-23	3Pins	-40°C	85°C	-