Voltage References
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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.
| Manufacturer Part No | Order Code | Description / Manufacturer | Availability | Price For |
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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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TL431ACDG
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1651199 |
Voltage Reference, Precision, Shunt - Adjustable, TL431A Series, 2.495V to 36V, SOIC-8 ONSEMI
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1+ €0.571 10+ €0.294 100+ €0.267 500+ €0.24 1000+ €0.19 2500+ €0.164 5000+ €0.161 More Pricing... |
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Shunt - Adjustable | TL431A | 2.495V to 36V | 1% | ± 50ppm/°C | SOIC | 8Pins | 0°C | 70°C | - | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
LM285Z-2.5G
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9665447 |
Voltage Reference, Micropower, Shunt - Fixed, LM285 Series, 2.5V, TO-226AA-3 ONSEMI
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Shunt - Fixed | LM285 | 2.5V | 1.5% | ± 80ppm/°C | TO-92 | 3Pins | -40°C | 85°C | - | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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TL431CLPG
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9666796 |
Voltage Reference, Precision, Shunt - Adjustable, TL431 Series, 2.495V to 36V, TO-226AA-3 ONSEMI
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5+ €0.475 10+ €0.391 100+ €0.26 500+ €0.205 1000+ €0.145 5000+ €0.142 10000+ €0.139 More Pricing... |
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Shunt - Adjustable | TL431 | 2.495V to 36V | 2.2% | ± 50ppm/°C | TO-92 | 3Pins | 0°C | 70°C | - | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
TL431AFDT,215
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2095463 |
Voltage Reference, Precision, Shunt - Adjustable, AEC-Q100 TL431 Series, 2.495V to 36V, SOT-23-3 NEXPERIA
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5+ €0.495 10+ €0.386 100+ €0.234 500+ €0.18 1000+ €0.132 5000+ €0.129 10000+ €0.127 More Pricing... |
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Shunt - Adjustable | TL431 | 2.495V to 36V | 1% | - | SOT-23 | 3Pins | -40°C | 125°C | - | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
MCP1525T-I/TT
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9758500 |
Voltage Reference, Precision, Series - Fixed, MCP1525 Series, 2.5V, SOT-23-3 MICROCHIP
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1+ €1.17 25+ €0.844 100+ €0.773 |
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Series - Fixed | MCP1525 | 2.5V | 1% | ± 27ppm/°C | SOT-23 | 3Pins | -40°C | 85°C | - | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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ZR40401F41TA
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1132720 |
Voltage Reference, Precision Micropower, Shunt - Fixed, ZR4040 Series, 4.096V, SOT-23-3 DIODES INC.
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1+ €1.12 10+ €0.838 100+ €0.644 500+ €0.569 1000+ €0.449 2500+ €0.44 5000+ €0.431 More Pricing... |
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Shunt - Fixed | ZR4040 | 4.096V | 1% | ± 20ppm/°C | SOT-23 | 3Pins | -40°C | 85°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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TL431AIDT
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1750205 |
Voltage Reference, Shunt - Adjustable, TL431 Series, 2.495V to 36V, SOIC-8 STMICROELECTRONICS
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5+ €0.409 50+ €0.331 100+ €0.253 500+ €0.214 1000+ €0.166 |
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Shunt - Adjustable | TL431 | 2.495V to 36V | 1% | - | SOIC | 8Pins | -40°C | 105°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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ZRC250F01TA
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1132706RL |
Voltage Reference, Precision, Shunt - Fixed, ZRC250 Series, 2.5V, SOT-23-3 DIODES INC.
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TL1431IZ
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9755861 |
Voltage Reference, Shunt - Adjustable, TL1431 Series, 2.5V to 36V, TO-226AA-3 STMICROELECTRONICS
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1+ €1.14 10+ €0.843 100+ €0.648 500+ €0.572 1000+ €0.452 2500+ €0.425 5000+ €0.42 More Pricing... |
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Shunt - Adjustable | TL1431 | 2.5V to 36V | 0.4% | ± 22ppm/°C | TO-226AA | 3Pins | -40°C | 105°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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TL431BCDBZR,215
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2095470 |
Voltage Reference, Precision, Shunt - Adjustable, AEC-Q100 TL431 Series, 2.495V to 36V, SOT-23-3 NEXPERIA
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5+ €0.485 10+ €0.386 100+ €0.213 500+ €0.175 1000+ €0.132 5000+ €0.129 10000+ €0.127 More Pricing... |
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Shunt - Adjustable | TL431 | 2.495V to 36V | 0.5% | - | SOT-23 | 3Pins | 0°C | 70°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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MCP1525-I/TO
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1292235 |
Voltage Reference, Precision, Series - Fixed, MCP1525 Series, 2.5V, TO-226AA-3 MICROCHIP
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1+ €1.34 25+ €0.968 100+ €0.863 1000+ €0.846 |
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Series - Fixed | MCP1525 | 2.5V | 1% | ± 27ppm/°C | TO-92 | 3Pins | -40°C | 85°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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ZR431F
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1132773 |
Voltage Reference, Precision, Shunt - Adjustable, ZR431 Series, 2.5V to 20V, SOT-23-3 DIODES INC.
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Shunt - Adjustable | ZR431 | 2.5V to 20V | 2% | ± 55ppm/°C | SOT-23 | 3Pins | -40°C | 85°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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TL432ASA-7
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1904057 |
Voltage Reference, Precision, Shunt - Adjustable, TL432 Series, 2.495V to 36V, SOT-23-3 DIODES INC.
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5+ €0.56 10+ €0.407 100+ €0.183 500+ €0.137 1000+ €0.104 5000+ €0.102 10000+ €0.0998 More Pricing... |
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Shunt - Adjustable | TL432 | 2.495V to 36V | 1% | - | SOT-23 | 3Pins | -40°C | 125°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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TL431ASA-7
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1904055 |
Voltage Reference, Precision, Shunt - Adjustable, TL431 Series, 2.495V to 36V, SOT-23-3 DIODES INC.
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Shunt - Adjustable | TL431 | 2.495V to 36V | 1% | - | SOT-23 | 3Pins | -40°C | 125°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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TL431ACZ
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9756450 |
Voltage Reference, Shunt - Adjustable, TL431 Series, 2.495V to 36V, Straight Lead, TO-226AA-3 STMICROELECTRONICS
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5+ €0.758 10+ €0.59 100+ €0.395 500+ €0.335 1000+ €0.236 5000+ €0.22 10000+ €0.208 More Pricing... |
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Shunt - Adjustable | TL431 | 2.495V to 36V | 1% | - | TO-92 | 3Pins | 0°C | 70°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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ZRC330F01TA
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1132712 |
Voltage Reference, Precision, Shunt - Fixed, ZRC330 Series, 3.3V, SOT-23-3 DIODES INC.
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Shunt - Fixed | ZRC330 | 3.3V | 1% | ± 15ppm/°C | SOT-23 | 3Pins | -40°C | 85°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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TL431CZ
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9756469 |
Voltage Reference, Shunt - Adjustable, TL431 Series, 2.495V to 36V, TO-226AA-3 STMICROELECTRONICS
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5+ €0.472 10+ €0.372 100+ €0.247 500+ €0.209 1000+ €0.147 5000+ €0.138 10000+ €0.134 More Pricing... |
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Shunt - Adjustable | TL431 | 2.495V to 36V | 2% | - | TO-92 | 3Pins | 0°C | 70°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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ZR431F01TA
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1132727 |
Voltage Reference, Precision, Shunt - Adjustable, ZR431 Series, 2.5V to 20V, SOT-23-3 DIODES INC.
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Shunt - Adjustable | ZR431 | 2.5V to 20V | 1% | ± 55ppm/°C | SOT-23 | 3Pins | -40°C | 85°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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ZR431F005TA
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1132750 |
Voltage Reference, Precision, Shunt - Adjustable, ZR431 Series, 2.5V to 20V, SOT-23-3 DIODES INC.
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Shunt - Adjustable | ZR431 | 2.5V to 20V | 0.5% | ± 55ppm/°C | SOT-23 | 3Pins | -40°C | 85°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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LM4040D50FTA
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1461553 |
Voltage Reference, Precision Micropower, Shunt - Fixed, AEC-Q100 LM4040 Series, 5V, SOT-23-3 DIODES INC.
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5+ €0.659 10+ €0.50 100+ €0.34 500+ €0.287 1000+ €0.231 5000+ €0.226 10000+ €0.222 More Pricing... |
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Shunt - Fixed | LM4040 | 5V | 1% | ± 30ppm/°C | SOT-23 | 3Pins | -40°C | 125°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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TL431AIDBZR,215
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2095465 |
Voltage Reference, Precision, Shunt - Adjustable, AEC-Q100 TL431 Series, 2.495V to 36V, SOT-23-3 NEXPERIA
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5+ €0.429 10+ €0.311 100+ €0.186 500+ €0.154 1000+ €0.116 5000+ €0.114 10000+ €0.111 More Pricing... |
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Shunt - Adjustable | TL431 | 2.495V to 36V | 1% | - | SOT-23 | 3Pins | -40°C | 85°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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ZRB500F01TA
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1132721 |
Voltage Reference, Precision Micropower, Shunt - Fixed, ZRB500 Series, 5V, SOT-23-3 DIODES INC.
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Shunt - Fixed | ZRB500 | 5V | 1% | ± 15ppm/°C | SOT-23 | 3Pins | -40°C | 85°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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TL431FDT,215
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2095479 |
Voltage Reference, Precision, Shunt - Adjustable, AEC-Q100 TL431 Series, 2.495V to 36V, SOT-23-3 NEXPERIA
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5+ €0.451 10+ €0.326 100+ €0.196 500+ €0.162 1000+ €0.121 5000+ €0.119 10000+ €0.116 More Pricing... |
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Shunt - Adjustable | TL431 | 2.495V to 36V | 2% | - | SOT-23 | 3Pins | -40°C | 125°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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KA431SAMFTF
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2453929 |
Voltage Reference, Shunt - Adjustable, KA431SA Series, 2.5V to 36V, SOT-23F-3 ONSEMI
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Shunt - Adjustable | KA431SA | 2.5V to 36V | 1% | ± 50ppm/°C | SOT-23F | 3Pins | -25°C | 85°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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TL431ACZ-AP
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1750204 |
Voltage Reference, Shunt - Adjustable, TL431 Series, 2.495V to 36V, Formed Lead, TO-226AA-3 STMICROELECTRONICS
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5+ €0.768 10+ €0.629 100+ €0.395 500+ €0.335 1000+ €0.22 5000+ €0.214 10000+ €0.208 More Pricing... |
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Shunt - Adjustable | TL431 | 2.495V to 36V | 1% | - | TO-92 | 3Pins | 0°C | 70°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||