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 738-5080
Tillv. art.nrZR40401F41TA
VarumärkeDiodesZetex
7,362 kr
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4.096V SOT-23 Fixed ±1.0 % Surface Mount Shunt 20mA - 4.05 V 4.14 V 3 - - 3.04 x 1.4 x 1.02mm
RS-artikelnummer 922-7601
Tillv. art.nrZR431FTA
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2,229 kr
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2.5 - 20V SOT-23 Adjustable ±2.0 % Surface Mount Shunt 100mA 20 V 2.5 V 20 V 3 - - 2.9 x 1.3 x 1mm
RS-artikelnummer 751-4474
Tillv. art.nrLM4040D25FTA
VarumärkeDiodesZetex
4,012 kr
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2.5V SOT-23 Fixed ±1.0 % Surface Mount Shunt 15mA - - 2.5 V 3 - 10 mV 3.04 x 1.4 x 1.02mm
RS-artikelnummer 922-8213
Tillv. art.nrZXRE125FFTA
VarumärkeDiodesZetex
4,414 kr
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1.22V SOT-23 Fixed ±3 % Surface Mount Shunt 20mA - 1.18 V 1.26 V 3 - 20 mV 3.04 x 1.4 x 1.02mm
RS-artikelnummer 751-4483
Tillv. art.nrLM4040D50FTA
VarumärkeDiodesZetex
4,012 kr
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5V SOT-23 Fixed ±1.0 % Surface Mount Shunt 15mA - - 5 V 3 - 10 mV 3.04 x 1.4 x 1.02mm
RS-artikelnummer 823-1808
Tillv. art.nrZR40401F50TA
VarumärkeDiodesZetex
7,00 kr
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5V SOT-23 Fixed ±1.0 % Surface Mount Series - - - - 3 - - 3.04 x 1.4 x 1.02mm
RS-artikelnummer 146-0592
Tillv. art.nrAZ431LBNTR-G1
VarumärkeDiodesZetex
0,70 kr
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1.24V SOT-23 Adjustable ±1.0 % Surface Mount Shunt 100mA 18 V 1.24 V 18 V 3 - - 3 x 1.4 x 1.1mm
RS-artikelnummer 169-7372
Tillv. art.nrAP431SAG-7
VarumärkeDiodesZetex
1,618 kr
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2.5 - 36V SOT-23 Adjustable ±1.0 % Surface Mount Shunt 250mA - 2.52 V 36 V 3 - - 3 x 1.4 x 1.1mm
RS-artikelnummer 885-5659
Tillv. art.nrZRC250F03TA
VarumärkeDiodesZetex
7,92 kr
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2.5V SOT-23 Fixed ±1.0 % Surface Mount Shunt 5mA 2.5 V - 2.5 V 3 - - 3 x 1.4 x 1.1mm
Nytt
RS-artikelnummer 206-0270
Tillv. art.nrLM4040C33QFTA
VarumärkeDiodesZetex
4,215 kr
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3.3V SOT-23 Precision 0.5% Surface Mount Shunt - - - - 3 - - -
RS-artikelnummer 822-8616
Tillv. art.nrZTL432AFFTA
VarumärkeDiodesZetex
0,935 kr
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2.5 - 20V SOT-23LF Adjustable ±1.0 % Surface Mount Shunt 100mA - 2.525 V 20 V 3 - - 3 x 1.7 x 1mm
RS-artikelnummer 122-3398
Tillv. art.nrZRB500F01TA
VarumärkeDiodesZetex
4,99 kr
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5V SOT-23 Fixed ±1.0 % Surface Mount Shunt 15mA 5 V - 5 V 3 - - 3 x 1.4 x 1.1mm
RS-artikelnummer 122-0305
Tillv. art.nrZRB500F03TA
VarumärkeDiodesZetex
3,909 kr
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5V SOT-23 Fixed ±3 % Surface Mount Shunt 15mA - 4.85 V 5.15 V 3 - - 3.04 x 1.4 x 1.02mm
RS-artikelnummer 922-8513
Tillv. art.nrZXRE125EFTA
VarumärkeDiodesZetex
4,233 kr
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1.22V SOT-23 Fixed ±0.5 % Surface Mount Shunt 20mA - 1.196 V 1.244 V 3 - 10 mV 3.04 x 1.4 x 1.02mm
RS-artikelnummer 738-5106
Tillv. art.nrZRB500F02TA
VarumärkeDiodesZetex
8,914 kr
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5V SOT-23 Fixed ±2.0 % Surface Mount Shunt 15mA - 4.9 V 5.1 V 3 - - 3.04 x 1.4 x 1.02mm
RS-artikelnummer 751-5234
Tillv. art.nrZTL432AFTA
VarumärkeDiodesZetex
2,422 kr
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2.5V SOT-23 Adjustable ±1.0 % Surface Mount Shunt 100mA 20 V 2.5 V 20 V 3 - - 3.04 x 1.4 x 1.02mm
RS-artikelnummer 738-5361
Tillv. art.nrTLV431BFTA
VarumärkeDiodesZetex
3,334 kr
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1.24 - 18V SOT-23 Adjustable ±0.5 % Surface Mount Shunt 20mA 20 V 1.24 V 18 V 3 - - 3.04 x 1.4 x 1.02mm
RS-artikelnummer 921-0363
Tillv. art.nrAN431AN-ATRG1
VarumärkeDiodesZetex
0,793 kr
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2.5V SOT-23 Adjustable ±0.5 % Surface Mount Shunt 100mA 36 V 2.5 V 36 V 3 - - 3 x 1.4 x 1.1mm
RS-artikelnummer 169-7438
Tillv. art.nrZXRE060ET5TA
VarumärkeDiodesZetex
3,092 kr
Each (On a Reel of 3000)
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- TSOT-23 Adjustable ±1.0 % Surface Mount Shunt 15mA 18 V 0.2 V 18 V 5 1.5 mV 10 mV 2.9 x 1.6 x 0.9mm
RS-artikelnummer 121-9495
Tillv. art.nrTL431ASA-7
VarumärkeDiodesZetex
0,403 kr
Each (On a Reel of 3000)
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2.5 - 36V SOT-23 Adjustable ±1.0 % Surface Mount Shunt 100mA 40 V 2.5 V 36 V 3 - - 3 x 1.4 x 1mm