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 165-9765
製造零件編號TL431AQDBZR,215
BrandNexperia
HK$0.736
個 (在毎卷:3000)
單位
2.5 - 36V SOT-23 Adjustable ±1.0 % Surface Mount Shunt 100mA 37 V 2.495 V 36 V 3 - - 3 x 1.4 x 1mm
RS庫存編號 797-4829
製造零件編號TL431AQDBZR,215
BrandNexperia
HK$2.43
Each (On a Tape of 50)
單位
2.5 - 36V SOT-23 Adjustable ±1.0 % Surface Mount Shunt 100mA 37 V 2.495 V 36 V 3 - - 3 x 1.4 x 1mm
RS庫存編號 169-7200
製造零件編號TL431AMFDT,215
BrandNexperia
HK$0.834
個 (在毎卷:3000)
單位
2.5 - 36V SOT-23 Adjustable ±1.0 % Surface Mount Shunt 100mA 37 V 2.495 V 36 V 3 - - 3 x 1.4 x 1mm
RS庫存編號 797-4810
製造零件編號TL431AMFDT,215
BrandNexperia
HK$1.118
/個 (每包:50個)
單位
2.5 - 36V SOT-23 Adjustable ±1.0 % Surface Mount Shunt 100mA 37 V 2.495 V 36 V 3 - - 3 x 1.4 x 1mm
RS庫存編號 165-9767
製造零件編號TL431IDBZR,215
BrandNexperia
HK$0.673
個 (在毎卷:3000)
單位
2.5 - 36V SOT-23 Adjustable ±2.0 % Surface Mount Shunt 100mA 37 V 2.495 V 36 V 3 - - 3 x 1.4 x 1mm
RS庫存編號 170-5436
製造零件編號TL431BFDT,215
BrandNexperia
HK$2.081
/個 (每包:25個)
單位
2.495V SOT-23 Adjustable, Precision 0.5% Surface Mount Shunt 100mA 37 V 2483 mV 2507 mV 3 -2.7 mV/V - 3 x 1.4 x 1mm
RS庫存編號 165-9768
製造零件編號TL431QDBZR,215
BrandNexperia
HK$0.673
個 (在毎卷:3000)
單位
2.5 - 36V SOT-23 Adjustable ±2.0 % Surface Mount Shunt 100mA 37 V 2.495 V 36 V 3 - - 3 x 1.4 x 1mm
RS庫存編號 124-2434
製造零件編號TL431AIDBZR,215
BrandNexperia
HK$0.736
個 (在毎卷:3000)
單位
2.5 - 36V SOT-23 Adjustable 1% Surface Mount Shunt 100mA 37 V 2.495 V 36 V 3 - - 3 x 1.4 x 1mm
RS庫存編號 797-4835
製造零件編號TL431BMFDT,215
BrandNexperia
HK$1.368
/個 (每包:30個)
單位
2.5 - 36V SOT-23 Adjustable ±0.5 % Surface Mount Shunt 100mA 37 V 2.495 V 36 V 3 - - 3 x 1.4 x 1mm
RS庫存編號 797-4838
製造零件編號TL431BQDBZR,215
BrandNexperia
HK$1.99
/個 (每包:25個)
單位
2.5 - 36V SOT-23 Adjustable ±0.5 % Surface Mount Shunt 100mA 37 V 2.495 V 36 V 3 - - 3 x 1.4 x 1mm
RS庫存編號 165-9766
製造零件編號TL431FDT,215
BrandNexperia
HK$0.631
個 (在毎卷:3000)
單位
2.5 - 36V SOT-23 Adjustable ±2.0 % Surface Mount Shunt 100mA 37 V 2.495 V 36 V 3 - - 3 x 1.4 x 1mm
RS庫存編號 797-4813
製造零件編號TL431AFDT,215
BrandNexperia
HK$1.979
/個 (每包:50個)
單位
2.5 - 36V SOT-23 Adjustable ±1.0 % Surface Mount Shunt 100mA 37 V 2.495 V 36 V 3 - - 3 x 1.4 x 1mm
RS庫存編號 124-2435
製造零件編號TL431BQDBZR,215
BrandNexperia
HK$1.042
個 (在毎卷:3000)
單位
2.5 - 36V SOT-23 Adjustable 0.5% Surface Mount Shunt 100mA 37 V 2.495 V 36 V 3 - - 3 x 1.4 x 1mm
RS庫存編號 797-4826
製造零件編號TL431BIDBZR,215
BrandNexperia
HK$1.956
/個 (每包:25個)
單位
2.5 - 36V SOT-23 Adjustable ±0.5 % Surface Mount Shunt 100mA 37 V 2.495 V 36 V 3 - - 3 x 1.4 x 1mm
RS庫存編號 170-4870
製造零件編號TL431BFDT,215
BrandNexperia
HK$0.94
個 (在毎卷:3000)
單位
2.495V SOT-23 Adjustable, Precision 0.5% Surface Mount Shunt 100mA 37 V 2483 mV 2507 mV 3 -2.7 mV/V - 3 x 1.4 x 1mm
RS庫存編號 797-4848
製造零件編號TL431QDBZR,215
BrandNexperia
HK$2.083
Each (On a Tape of 50)
單位
2.5 - 36V SOT-23 Adjustable ±2.0 % Surface Mount Shunt 100mA 37 V 2.495 V 36 V 3 - - 3 x 1.4 x 1mm
RS庫存編號 165-9799
製造零件編號TL431BMFDT,215
BrandNexperia
HK$1.105
個 (在毎卷:3000)
單位
2.5 - 36V SOT-23 Adjustable ±0.5 % Surface Mount Shunt 100mA 37 V 2.495 V 36 V 3 - - 3 x 1.4 x 1mm
RS庫存編號 165-9764
製造零件編號TL431BIDBZR,215
BrandNexperia
HK$1.184
個 (在毎卷:3000)
單位
2.5 - 36V SOT-23 Adjustable ±0.5 % Surface Mount Shunt 100mA 37 V 2.495 V 36 V 3 - - 3 x 1.4 x 1mm
RS庫存編號 797-4816
製造零件編號TL431AIDBZR,215
BrandNexperia
HK$1.126
/個 (每包:50個)
單位
2.5 - 36V SOT-23 Adjustable ±1.0 % Surface Mount Shunt 100mA 37 V 2.495 V 36 V 3 - - 3 x 1.4 x 1mm
RS庫存編號 797-4844
製造零件編號TL431IDBZR,215
BrandNexperia
HK$1.481
Each (On a Tape of 50)
單位
2.5 - 36V SOT-23 Adjustable ±2.0 % Surface Mount Shunt 100mA 37 V 2.495 V 36 V 3 - - 3 x 1.4 x 1mm