Voltage References

Voltage references are electronic devices that provide a fixed voltage. They provide a constant voltage regardless of external factors like the load on the device or fluctuations in the power supply.


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. 


Types of voltage references

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%. 


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 analog-to-digital converters. They are also used in scientific applications and in medical equipment where voltage variations need to be tested regularly. 


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Beskrivning Pris 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-artikelnummer 165-8238
Tillv. art.nrTL1431CCT
VarumärkeSTMicroelectronics
3,011 kr
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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-artikelnummer 165-8207
Tillv. art.nrTL1431ACL5T
VarumärkeSTMicroelectronics
3,011 kr
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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-artikelnummer 165-6542
Tillv. art.nrTS2431ILT
VarumärkeSTMicroelectronics
0,948 kr
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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-artikelnummer 145-8772
Tillv. art.nrTS2431AILT
VarumärkeSTMicroelectronics
1,226 kr
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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-artikelnummer 168-7272
Tillv. art.nrTL1431AIDT
VarumärkeSTMicroelectronics
1,223 kr
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2.5 - 36V SOIC Adjustable ±0.25 % Surface Mount Shunt 100mA - 2.5 V 36 V 8 - - 5 x 4 x 1.5mm
RS-artikelnummer 907-4700
Tillv. art.nrTL1431ACL5T
VarumärkeSTMicroelectronics
4,963 kr
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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-artikelnummer 168-6902
Tillv. art.nrTL431AIZT
VarumärkeSTMicroelectronics
0,892 kr
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2.5 - 36V TO-92 Adjustable ±1.0 % Through Hole Shunt 100mA 37 V 2.5 V 36 V 3 - - 4.83 x 3.43 x 3.68mm
RS-artikelnummer 168-7155
Tillv. art.nrTS431ILT
VarumärkeSTMicroelectronics
1,895 kr
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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-artikelnummer 795-8650
Tillv. art.nrTL1431AIDT
VarumärkeSTMicroelectronics
1,215 kr
Each (On a Tape of 10)
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2.5 - 36V SOIC Adjustable ±0.25 % Surface Mount Shunt 100mA - 2.5 V 36 V 8 - - 5 x 4 x 1.5mm
RS-artikelnummer 795-8880
Tillv. art.nrTS3431CILT
VarumärkeSTMicroelectronics
4,351 kr
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1.24 - 24V SOT-23 Adjustable ±0.25 % Surface Mount Shunt 100mA - 1.24 V 24 V 3 - - 3.04 x 1.4 x 1.02mm
RS-artikelnummer 795-7017
Tillv. art.nrTS431ILT
VarumärkeSTMicroelectronics
4,684 kr
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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-artikelnummer 165-6500
Tillv. art.nrTS3431CILT
VarumärkeSTMicroelectronics
1,783 kr
Each (On a Reel of 3000)
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1.24 - 24V SOT-23 Adjustable ±0.25 % Surface Mount Shunt 100mA - 1.24 V 24 V 3 - - 3.04 x 1.4 x 1.02mm
RS-artikelnummer 165-5278
Tillv. art.nrTS431AILT
VarumärkeSTMicroelectronics
1,294 kr
Each (On a Reel of 3000)
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1.24 - 6V SOT-23 Adjustable ±2.0 % Surface Mount Shunt - - 1.228 V 1.252 V 5 - - 3 x 1.75 x 1.3mm
RS-artikelnummer 795-7048
Tillv. art.nrTS4040DILT-2.5
VarumärkeSTMicroelectronics
4,434 kr
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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-artikelnummer 795-8638
Tillv. art.nrTS3431BILT
VarumärkeSTMicroelectronics
3,851 kr
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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-artikelnummer 165-6499
Tillv. art.nrTS3431BILT
VarumärkeSTMicroelectronics
1,561 kr
Each (On a Reel of 3000)
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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-artikelnummer 714-1105
Tillv. art.nrTL431ACDT
VarumärkeSTMicroelectronics
0,444 kr
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2.5 - 36V SOIC Adjustable ±1.0 % Surface Mount Shunt - - - - 8 - - -
RS-artikelnummer 686-4765
Tillv. art.nrTS2431AILT
VarumärkeSTMicroelectronics
3,123 kr
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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-artikelnummer 795-8943
Tillv. art.nrTS2431ILT
VarumärkeSTMicroelectronics
0,948 kr
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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-artikelnummer 686-4768
Tillv. art.nrTL431ACZ
VarumärkeSTMicroelectronics
2,453 kr
Each (In a Pack of 50)
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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