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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Description Price 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 Stock No. 169-8159
Mfr. Part No.NJM2820F-TE1
MYR1.826
Each (On a Reel of 3000)
units
1.25 - 13V SOT-23 Adjustable ±0.7 % Surface Mount Shunt 30mA 14 V 1.25 V 13 V 5 - - 2.9 x 1.6 x 1.1mm
RS Stock No. 169-8160
Mfr. Part No.NJM2823F-TE1
MYR5.022
Each (On a Reel of 3000)
units
1.136 - 13V SOT-23 Adjustable ±0.4 % Surface Mount Shunt 12mA 14 V 1.136 V 13 V 5 - 6 mV 2.9 x 1.6 x 1.1mm
RS Stock No. 169-8162
Mfr. Part No.NJM2825F-TE1
MYR5.022
Each (On a Reel of 3000)
units
1.2 - 13V SOT-23 Adjustable ±0.5 % Surface Mount Shunt 12mA 14 V 1.2 V 13 V 5 - 10 mV 2.9 x 1.6 x 1.1mm
RS Stock No. 713-9269
Mfr. Part No.NJM2823F-TE1
MYR4.574
Each (In a Pack of 5)
units
1.136 - 13V SOT-23 Adjustable ±0.4 % Surface Mount Shunt 12mA 14 V 1.136 V 13 V 5 - 6 mV 2.9 x 1.6 x 1.1mm
RS Stock No. 169-8210
Mfr. Part No.NJM431M
MYR1.494
Each (In a Tube of 100)
units
2.5 - 36V DMP Adjustable ±2.2 % Surface Mount Shunt 100mA 37 V 2.5 V 36 V 8 - 0.1 % 5 x 5 x 1.6mm
RS Stock No. 173-2279
Mfr. Part No.NJM431U-TE1
MYR1.712
Each (On a Reel of 2000)
units
2.5 - 36V SOT-89 Adjustable ±2.2 % Surface Mount Shunt 100mA 37 V 2.5 V 36 V 3 - 0.1 % 4.5 x 2.5 x 1.5mm
RS Stock No. 713-9449
Mfr. Part No.NJM431U-TE1
MYR1.796
Each (In a Pack of 5)
units
2.5 - 36V SOT-89 Adjustable ±2.2 % Surface Mount Shunt 100mA 37 V 2.5 V 36 V 3 - 0.1 % 4.5 x 2.5 x 1.5mm
RS Stock No. 740-5102
Mfr. Part No.NJM1431AF-TE1
MYR1.036
Each (In a Pack of 10)
units
2.5 - 36V SOT-23 Adjustable ±1.0 % Surface Mount Shunt 100mA 37 V - - 5 - - 2.9 x 1.6 x 1.1mm
RS Stock No. 713-9278
Mfr. Part No.NJM2825F-TE1
MYR5.168
Each (In a Pack of 5)
units
1.2 - 13V SOT-23 Adjustable ±0.5 % Surface Mount Shunt 12mA 14 V 1.2 V 13 V 5 - 10 mV 2.9 x 1.6 x 1.1mm
RS Stock No. 713-8941
Mfr. Part No.NJM1431AU-TE1
MYR1.791
Each (In a Pack of 10)
units
2.5 - 36V SOT-89 Adjustable ±1.0 % Surface Mount Shunt 100mA 37 V 2.465 V 36 V 3 - - 4.5 x 2.5 x 1.5mm
RS Stock No. 740-5575
Mfr. Part No.NJM431UA-TE1
MYR3.648
Each (In a Pack of 5)
units
2.5 - 36V SOT-89 Adjustable ±2.2 % Surface Mount Shunt 100mA - 2.5 V 36 V 3 - 0.1 % 4.5 x 2.5 x 1.5mm
RS Stock No. 169-8147
Mfr. Part No.NJM1431AU-TE1
MYR0.799
Each (On a Reel of 1000)
units
2.5 - 36V SOT-89 Adjustable ±1.0 % Surface Mount Shunt 100mA 37 V 2.465 V 36 V 3 - - 4.5 x 2.5 x 1.5mm
RS Stock No. 713-9262
Mfr. Part No.NJM2820F-TE1
MYR1.654
Each (In a Pack of 5)
units
1.25 - 13V SOT-23 Adjustable ±0.7 % Surface Mount Shunt 30mA 14 V 1.25 V 13 V 5 - - 2.9 x 1.6 x 1.1mm
RS Stock No. 740-5257
Mfr. Part No.NJM2373AU-TE1
MYR3.648
Each (In a Pack of 5)
units
1.25 - 13V SOT-89 Adjustable ±1.0 % Surface Mount Shunt 30mA 14 V - - 3 - - 4.5 x 2.5 x 1.5mm
RS Stock No. 713-9899
Mfr. Part No.NJM431M
MYR2.178
Each (In a Pack of 5)
units
2.5 - 36V DMP Adjustable ±2.2 % Surface Mount Shunt 100mA 37 V 2.5 V 36 V 8 - 0.1 % 5 x 5 x 1.6mm