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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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+ HK$7.62 10+ HK$6.68 25+ HK$6.28 100+ HK$5.13 250+ HK$4.76 500+ HK$4.05 1000+ HK$3.24 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	-	-	-	-	-	-	-
MCP1525T-I/TT	9758500 Data Sheet + RoHS	Voltage Reference, Precision, Series - Fixed, MCP1525 Series, 2.5V, SOT-23-3 MICROCHIP You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:9758500 9758500RL in Re-reel	1+ HK$8.29 25+ HK$6.81 100+ HK$6.24	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	SOT-23	3Pins	-40°C	85°C	-
MCP1541T-I/TT	1084310 Data Sheet + RoHS	Voltage Reference, Precision, Series - Fixed, MCP1541 Series, 4.096V, SOT-23-3 MICROCHIP You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:1084310 1084310RL in Re-reel	1+ HK$6.38 10+ HK$6.31 25+ HK$5.38 100+ HK$5.03 250+ HK$5.02 500+ HK$4.86 1000+ HK$4.81 3000+ HK$4.66 9000+ HK$4.11 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	-	-	-	-	-	-	-
TL431BIDBZR,215	2095472 Data Sheet + RoHS	Voltage Reference, Precision, Shunt - Adjustable, AEC-Q100 TL431 Series, 2.495V to 36V, SOT-23-3 NEXPERIA You previously purchased this product. View in Order History	Each	5+ HK$2.87 25+ HK$2.63 100+ HK$1.95 250+ HK$1.77 500+ HK$1.47 1000+ HK$1.11 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	0.5%	-	SOT-23	3Pins	-40°C	85°C	AEC-Q100
LM4041DYM3-ADJ-TR	2920716 Data Sheet + RoHS	Voltage Reference, Shunt - Adjustable, 1.24V to 10V, 1% Ref, ± 20ppm/°C, SOT-23-3 MICROCHIP You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2920716 2920716RL in Re-reel	1+ HK$2.96 25+ HK$2.55 100+ HK$2.22	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Shunt - Adjustable	-	1.24V to 10V	1%	± 20ppm/°C	SOT-23	3Pins	-40°C	85°C	-

LM431ACM/NOPB	3009272 + RoHS	Voltage Reference, Precision, Shunt - Adjustable, LM431 Series, 2.495V to 36V, SOIC-8 TEXAS INSTRUMENTS You previously purchased this product. View in Order History	Each	1+ HK$9.79 10+ HK$9.13 95+ HK$6.80 570+ HK$6.09 1045+ HK$6.07	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Shunt - Adjustable	LM431	2.495V to 36V	0.5%	± 50ppm/°C	SOIC	8Pins	0°C	70°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+ HK$3.17 100+ HK$2.33 500+ HK$1.99 1000+ HK$1.75 3000+ HK$1.58 6000+ HK$1.50 9000+ HK$1.44 24000+ HK$1.39 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	-

MAX6101EUR+T	2511338 Data Sheet + RoHS	Voltage Reference Series - Fixed, 1.25V reference, ± 75ppm/°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:2511338 2511338RL in Re-reel	1+ HK$12.25 10+ HK$11.01 25+ HK$10.39 100+ HK$8.85 250+ HK$8.31 500+ HK$7.27 2500+ HK$6.03 5000+ HK$5.91 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	MAX6101	1.25V	0.4%	± 75ppm/°C	SOT-23	3Pins	-40°C	85°C	-

MAX6126BASA25+	2511120 Data Sheet + RoHS	Voltage Reference Series - Fixed, 2.5V reference, ± 2ppm/°C, NSOIC-8 ANALOG DEVICES You previously purchased this product. View in Order History	Each	1+ HK$64.45 10+ HK$55.74 25+ HK$55.66 100+ HK$48.26 300+ HK$46.12 500+ HK$42.01 1000+ HK$36.65 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	2.5V	0.06%	± 2ppm/°C	NSOIC	8Pins	-40°C	125°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+ HK$8.39 25+ HK$6.89 100+ HK$6.39	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	-	-	-	-	-	-	-

TL431ACDR2G	1652301 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		5+ HK$3.08 25+ HK$2.87 100+ HK$2.14 250+ HK$1.81 500+ HK$1.73 1000+ HK$1.28 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	SOIC	8Pins	0°C	70°C	-

TL431CLP	3009363 + RoHS	Voltage Reference, Precision, Shunt - Adjustable, TL431 Series, 2.495V to 36V, TO-226AA-3 TEXAS INSTRUMENTS You previously purchased this product. View in Order History	Each	1+ HK$7.31 10+ HK$6.37 100+ HK$4.96 500+ HK$4.20	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Shunt - Adjustable	TL431	2.495V to 36V	2%	-	TO-226AA	3Pins	0°C	70°C	-

MAX674ESA+	2511179 Data Sheet + RoHS	Voltage Reference Series - Fixed, 10V reference, ± 15ppm/°C, NSOIC-8 ANALOG DEVICES You previously purchased this product. View in Order History	Each	1+ HK$82.39	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Series - Fixed	MAX674	10V	15mV	± 15ppm/°C	NSOIC	8Pins	-40°C	85°C	-

TL431BIDBZR,215	2095472RL Data Sheet + RoHS	Voltage Reference, Precision, Shunt - Adjustable, AEC-Q100 TL431 Series, 2.495V to 36V, SOT-23-3 NEXPERIA You previously purchased this product. View in Order History	Each	100+ HK$1.95 250+ HK$1.77 500+ HK$1.47 1000+ HK$1.11	Restricted Item Minimum order of 100 items Multiples of 1 only Please enter a valid quantity Add Min: 100 Mult: 1	Shunt - Adjustable	TL431	2.495V to 36V	0.5%	-	SOT-23	3Pins	-40°C	85°C	AEC-Q100

AZ431LANTR-G1	3483094 Data Sheet + RoHS	VOLT REF, SHUNT, 1.24-18V/-40 TO 125DEGC DIODES INC. You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:3483094 3483094RL in Re-reel	5+ HK$2.01 100+ HK$1.39 500+ HK$1.19 1000+ HK$0.88 3000+ HK$0.675 9000+ HK$0.625 24000+ HK$0.598 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 18V	0.5%	20ppm/°C	SOT-23	3Pins	-40°C	125°C	-

TL431IDBVR	3124623 + RoHS	Voltage Reference, Precision, Shunt - Adjustable, TL431 Series, 2.495V to 36V, 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:3124623 3124623RL in Re-reel	5+ HK$2.37 100+ HK$1.59 500+ HK$1.11 1000+ HK$0.874	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	2%	-	SOT-23	5Pins	-40°C	85°C	-

LM4050AEM3-2.5+T	2511262 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:2511262 2511262RL in Re-reel	1+ HK$37.16 10+ HK$30.67 25+ HK$28.99 100+ HK$27.30 250+ HK$25.90 500+ HK$23.27 2500+ HK$17.84 5000+ HK$17.49 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	2.5V	0.1%	± 20ppm/°C	SOT-23	3Pins	-40°C	125°C	-

MAX6012AEUR+T	2519059 Data Sheet + RoHS	Voltage Reference, Precision, Low Power, Series - Fixed, MAX6012 Series, 1.247V, 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:2519059 2519059RL in Re-reel	1+ HK$51.22 10+ HK$46.23 25+ HK$44.08 100+ HK$38.28 250+ HK$36.56 500+ HK$33.33 2500+ HK$27.96 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	MAX6012	1.247V	0.32%	± 6ppm/°C	SOT-23	3Pins	-40°C	85°C	-

LM4040B25FTA	1825370RL 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) Re-reel Packaging Options Suggested replacement for:1825370RL 1825370 in Cut Tape	100+ HK$5.13 250+ HK$4.76 500+ HK$4.05 1000+ HK$3.24	Restricted Item Minimum order of 100 items Multiples of 1 only Please enter a valid quantity Add Min: 100 Mult: 1	-	-	-	-	-	-	-	-	-	-

TL431ACDT	2463970 Data Sheet + RoHS	Voltage Reference, Shunt - Adjustable, TL431 Series, 2.495V to 36V, SOIC-8 STMICROELECTRONICS You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2463970 2463970RL in Re-reel 2253508 in Full Reel	5+ HK$3.79 100+ HK$3.13 250+ HK$2.79 500+ HK$2.54 1000+ HK$2.25	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%	-	SOIC	8Pins	0°C	70°C	-

MAX6043BAUT50+T	3596296 Data Sheet + RoHS	Voltage Reference, Fixed - Series, 5V, SOT-23, 6Pin ANALOG DEVICES You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:3596296 3596296RL in Re-reel	1+ HK$46.45 10+ HK$39.46 25+ HK$36.83 100+ HK$34.20 250+ HK$32.47 500+ HK$29.10 1000+ HK$25.24 2500+ HK$23.93 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Series	-	5V	0.1%	20ppm/°C	SOT-23	6Pins	-40°C	125°C	-

MCP1541T-I/TT	1084310RL Data Sheet + RoHS	Voltage Reference, Precision, Series - Fixed, MCP1541 Series, 4.096V, SOT-23-3 MICROCHIP You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Re-reel Packaging Options Suggested replacement for:1084310RL 1084310 in Cut Tape	100+ HK$5.03 250+ HK$5.02 500+ HK$4.86 1000+ HK$4.81 3000+ HK$4.66 9000+ HK$4.11 More Pricing...	Restricted Item Minimum order of 100 items Multiples of 1 only Please enter a valid quantity Add Min: 100 Mult: 1	-	-	-	-	-	-	-	-	-	-

MCP1525T-I/TT	9758500RL Data Sheet + RoHS	Voltage Reference, Precision, Series - Fixed, MCP1525 Series, 2.5V, SOT-23-3 MICROCHIP You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Re-reel Packaging Options Suggested replacement for:9758500RL 9758500 in Cut Tape	100+ HK$6.24	Restricted Item Minimum order of 100 items Multiples of 1 only Please enter a valid quantity Add Min: 100 Mult: 1	Series - Fixed	MCP1525	2.5V	1%	± 27ppm/°C	SOT-23	3Pins	-40°C	85°C	-

ISL21080DIH309Z-TK	2543328 Data Sheet + RoHS	Voltage Reference Series - Fixed, 2 V-5.5 V input, 900mV reference, 50ppm/°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:2543328 2543328RL in Re-reel	1+ HK$16.53 10+ HK$14.82 25+ HK$13.98 100+ HK$11.92 250+ HK$11.18 500+ HK$9.79 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	ISL21080	900mV	0.7%	± 50ppm/°C	SOT-23	3Pins	-40°C	85°C	-

ISL60002DIH330Z-TK	3765505 Data Sheet + RoHS	Voltage Reference, Series - Fixed, ± 20ppm/°C, 3 V, 5 mv Accuracy, SOT-23-3, -40 °C to 85 °C RENESAS You previously purchased this product. View in Order History		1+ HK$25.26 10+ HK$22.72 25+ HK$21.48 100+ HK$18.62 250+ HK$17.66 500+ HK$15.85 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	ISL60002 FGA	3V	5mV	± 20ppm/°C	SOT-23	3Pins	-40°C	85°C	-