Voltage References

Voltage references are electronic devices that provide a fixed output voltage. They provide a constant voltage regardless of external factors. This includes the load on the device, temperature or fluctuations in the power supply. Learn more in our Complete Guide to Voltage References.

Voltage references have different characteristics depending on their purpose. Voltage references used in laboratory applications are designed to have extremely high precision and accuracy, whereas those used as regulators for computer power supplies are much cheaper but less precise.

There are many different kinds of voltage references, generally categorised by type, tolerance, rated voltage, reference voltage and rated current. The most common tolerances are ±2%, ±1% and ±0.5%, but voltage references are available even up to ±40%.

Voltage reference ICs come in a standard semiconductor package, such as PDIP, SO, SOIC and SOT-23. The pin count may also be combined with the package type, for example SO-8.

Types of voltage references

  • Two-terminal shunt voltage reference
  • Three-terminal series voltage reference
  • Band-gap voltage reference
  • Low noise voltage reference
  • Micropower voltage reference

What are voltage references used for?

Voltage references can be used for a variety of different precision measurement and control systems such as power supplies in personal computers and analogue-to-digital converters. They are also used in scientific applications and in medical equipment where voltage variations need to be tested regularly. Voltage references are also used in battery-powered devices.


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Omschrijving Prijs Nominal Voltage Package Type Reference Type Initial Accuracy Mounting Type Topology Maximum Output Current Maximum Input Voltage Minimum Output Voltage Maximum Output Voltage Pin Count Line Regulation Load Regulation Dimensions
RS-stocknr. 165-8238
FabrikantnummerTL1431CCT
0,268 €
Each (On a Reel of 3000)
Aantal stuks
2.5 - 36V SOT-323 Programmable ±2.0 % Surface Mount Shunt 100mA 36 V 2.5 V 36 V 6 - - 2.2 x 1.35 x 1mm
RS-stocknr. 714-1114
FabrikantnummerTL431CDT
0,281 €
Each (In a Pack of 20)
Aantal stuks
2.5 - 36V SOIC Adjustable ±2.0 % Surface Mount Shunt 100mA 37 V 2.5 V 36 V 8 - - 4.9 x 3.9 x 1.25mm
RS-stocknr. 165-7719
FabrikantnummerTL431ACDT
0,083 €
Each (On a Reel of 2500)
Aantal stuks
2.5 - 36V SOIC Adjustable ±1.0 % Surface Mount Shunt - - - - 8 - - -
RS-stocknr. 165-6770
FabrikantnummerTS4040DILT-2.5
0,193 €
Each (On a Reel of 3000)
Aantal stuks
2.5V SOT-23 Fixed ±1.0 % Surface Mount Shunt 15mA - 2.475 V 2.525 V 3 - - 3.04 x 1.4 x 1.02mm
RS-stocknr. 168-8903
FabrikantnummerTS432ILT
0,247 €
Each (On a Reel of 3000)
Aantal stuks
1.24 - 10V SOT-23 Adjustable ±1.0 % Surface Mount Shunt - - 1.24 V 10 V 3 - - 3.04 x 1.4 x 1.02mm
RS-stocknr. 168-7272
FabrikantnummerTL1431AIDT
0,176 €
Each (On a Reel of 2500)
Aantal stuks
2.5 - 36V SOIC Adjustable ±0.25 % Surface Mount Shunt 100mA - 2.5 V 36 V 8 - - 5 x 4 x 1.5mm
RS-stocknr. 714-7822
FabrikantnummerTL431AIZT
0,244 €
Each (In a Pack of 20)
Aantal stuks
2.5 - 36V TO-92 Adjustable ±1.0 % Through Hole Shunt 100mA 37 V 2.5 V 36 V 3 - - 4.7 x 3.7 x 4.4mm
RS-stocknr. 168-7155
FabrikantnummerTS431ILT
0,066 €
Each (On a Reel of 3000)
Aantal stuks
1.24 - 6V SOT-23 Adjustable ±2.0 % Surface Mount Shunt 30mA - 1.215 V 1.265 V 5 - - 3 x 1.75 x 1.3mm
RS-stocknr. 165-6542
FabrikantnummerTS2431ILT
0,091 €
Each (On a Reel of 3000)
Aantal stuks
2.5 - 24V SOT-23 Adjustable ±2.0 % Surface Mount Shunt 100mA - 2.5 V 24 V 3 - - 3.04 x 1.4 x 1.02mm
RS-stocknr. 714-7831
FabrikantnummerTL431CZ
0,259 €
Each (In a Pack of 50)
Aantal stuks
2.5 - 36V TO-92 Adjustable ±2.0 % Through Hole Shunt 100mA 37 V 2.5 V 36 V 3 - - 4.7 x 3.7 x 4.4mm
RS-stocknr. 178-5184
FabrikantnummerTL431AIDT
0,083 €
Each (On a Reel of 2500)
Aantal stuks
2.5 - 36V SOIC Adjustable ±1.0 % Surface Mount Shunt 100mA 37 V 2.5 V 36 V 8 - - 4.9 x 3.9 x 1.25mm
RS-stocknr. 795-7017
FabrikantnummerTS431ILT
0,066 €
Each (In a Pack of 10)
Aantal stuks
1.24 - 6V SOT-23 Adjustable ±2.0 % Surface Mount Shunt 30mA - 1.215 V 1.265 V 5 - - 3 x 1.75 x 1.3mm
RS-stocknr. 920-8969
FabrikantnummerTL431ACZ
0,087 €
Each (In a Bag of 2500)
Aantal stuks
2.5 - 36V TO-92 Adjustable ±1.0 % Through Hole Shunt 100mA 37 V 2.5 V 36 V 3 - - 4.7 x 3.7 x 4.4mm
RS-stocknr. 145-8772
FabrikantnummerTS2431AILT
0,133 €
Each (On a Reel of 3000)
Aantal stuks
2.5 - 24V SOT-23 Adjustable ±1.0 % Surface Mount Shunt 100mA 25 V 2.5 V 24 V 3 - - 2.9 x 1.3 x 0.95mm
RS-stocknr. 168-6826
FabrikantnummerTL431CDT
0,094 €
Each (On a Reel of 2500)
Aantal stuks
2.5 - 36V SOIC Adjustable ±2.0 % Surface Mount Shunt 100mA 37 V 2.5 V 36 V 8 - - 4.9 x 3.9 x 1.25mm
RS-stocknr. 168-6901
FabrikantnummerTL431ACZ-AP
0,094 €
Each (On a Tape of 2000)
Aantal stuks
2.5 - 36V TO-92AP Adjustable ±1.0 % Through Hole Shunt 100mA 37 V 2.5 V 36 V 3 - - 5 x 4 x 5mm
RS-stocknr. 795-8943
FabrikantnummerTS2431ILT
0,088 €
Each (On a Tape of 50)
Aantal stuks
2.5 - 24V SOT-23 Adjustable ±2.0 % Surface Mount Shunt 100mA - 2.5 V 24 V 3 - - 3.04 x 1.4 x 1.02mm
RS-stocknr. 907-4700
FabrikantnummerTL1431ACL5T
0,512 €
Each (In a Pack of 20)
Aantal stuks
2.5 - 36V SOT-23 Programmable ±1.0 % Surface Mount Shunt 100mA 36 V 2.5 V 36 V 5 - - 3.05 x 1.75 x 1.3mm
RS-stocknr. 795-8638
FabrikantnummerTS3431BILT
0,387 €
Each (In a Pack of 25)
Aantal stuks
1.24 - 24V SOT-23 Adjustable ±0.5 % Surface Mount Shunt 100mA - 1.24 V 24 V 3 - - 3.04 x 1.4 x 1.02mm
RS-stocknr. 907-4776
FabrikantnummerTL1431CCT
0,49 €
Each (In a Pack of 20)
Aantal stuks
2.5 - 36V SOT-323 Programmable ±2.0 % Surface Mount Shunt 100mA 36 V 2.5 V 36 V 6 - - 2.2 x 1.35 x 1mm