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庫存編號 713-9899
製造零件編號NJM431M
HK$6.40
/個 (每包:5個)
單位
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庫存編號 169-8210
製造零件編號NJM431M
HK$2.634
毎管:100 個
單位
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庫存編號 740-5102
製造零件編號NJM1431AF-TE1
HK$2.083
/個 (每包:10個)
單位
2.5 - 36V SOT-23 Adjustable ±1.0 % Surface Mount Shunt 100mA 37 V - - 5 - - 2.9 x 1.6 x 1.1mm
RS庫存編號 713-9278
製造零件編號NJM2825F-TE1
HK$8.348
/個 (每包:5個)
單位
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庫存編號 713-9449
製造零件編號NJM431U-TE1
HK$3.69
/個 (每包:5個)
單位
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庫存編號 713-8941
製造零件編號NJM1431AU-TE1
HK$3.613
/個 (每包:10個)
單位
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庫存編號 713-9269
製造零件編號NJM2823F-TE1
HK$12.512
/個 (每包:5個)
單位
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庫存編號 713-9262
製造零件編號NJM2820F-TE1
HK$6.522
/個 (每包:5個)
單位
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庫存編號 169-8162
製造零件編號NJM2825F-TE1
HK$8.80
個 (在毎卷:3000)
單位
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庫存編號 173-2279
製造零件編號NJM431U-TE1
HK$3.00
個 (在毎卷:2000)
單位
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庫存編號 169-8160
製造零件編號NJM2823F-TE1
HK$8.851
個 (在毎卷:3000)
單位
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庫存編號 740-5257
製造零件編號NJM2373AU-TE1
HK$7.352
/個 (每包:5個)
單位
1.25 - 13V SOT-89 Adjustable ±1.0 % Surface Mount Shunt 30mA 14 V - - 3 - - 4.5 x 2.5 x 1.5mm
RS庫存編號 169-8159
製造零件編號NJM2820F-TE1
HK$3.219
個 (在毎卷:3000)
單位
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庫存編號 169-8147
製造零件編號NJM1431AU-TE1
HK$1.404
個 (在毎卷:1000)
單位
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庫存編號 740-5575
製造零件編號NJM431UA-TE1
HK$7.352
/個 (每包:5個)
單位
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