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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Omschrijving Prijs 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-stocknr. 166-3615
FabrikantnummerLM431AIZ
FabrikantON Semiconductor
0,059 €
Each (In a Bag of 10000)
Aantal stuks
2.5 - 36V TO-92 Adjustable ±2.0 % Through Hole Shunt 100 (Cathode)mA - 2.5 (Cathode) V 36 V 3 - - 5.2 x 4.19 x 5.33mm
RS-stocknr. 806-4689
FabrikantnummerLM431AIZ
FabrikantON Semiconductor
0,065 €
Each (In a Pack of 50)
Aantal stuks
2.5 - 36V TO-92 Adjustable ±2.0 % Through Hole Shunt 100 (Cathode)mA - 2.5 (Cathode) V 36 V 3 - - 5.2 x 4.19 x 5.33mm
RS-stocknr. 671-0292
FabrikantnummerLM336Z5
FabrikantON Semiconductor
0,412 €
Each (In a Pack of 5)
Aantal stuks
5V TO-92 Programmable ±1.0 % Through Hole Shunt 400mA - 4.8 V 5.2 V 3 - 20 mV 4.58 x 3.86 x 4.58mm
RS-stocknr. 166-1784
FabrikantnummerLM336Z5
FabrikantON Semiconductor
0,114 €
Each (In a Bag of 10000)
Aantal stuks
5V TO-92 Programmable ±1.0 % Through Hole Shunt 15 (Reverse)mA - 4 V 6 V 3 - - 5.2 x 4.19 x 5.33mm
RS-stocknr. 122-0111
FabrikantnummerNCP51460SN33T1G
FabrikantON Semiconductor
0,158 €
Each (On a Reel of 3000)
Aantal stuks
3.3V SOT-23 Fixed ±1.0 % Surface Mount Series 20mA 28 V 3.27 V 3.33 V 3 500 ppm/V 4000 ppm/mA 3.04 x 1.4 x 1.01mm
RS-stocknr. 688-9335
FabrikantnummerTL431CDR2G
FabrikantON Semiconductor
0,22 €
Each (In a Pack of 2)
Aantal stuks
2.5 - 36V SOIC Adjustable ±2.2 % Surface Mount Shunt 100mA 37 V 2.5 V 36 V 8 - - 5 x 4 x 1.5mm
RS-stocknr. 146-2125
FabrikantnummerLM431SCCM32X
FabrikantON Semiconductor
0,044 €
Each (On a Reel of 3000)
Aantal stuks
2.5 - 36V SOT-23 Adjustable ±0.5 % Surface Mount Shunt 100 (Cathode)mA - 2.5 (Cathode) V 36 V 3 - - 2.92 x 1.3 x 0.93mm
RS-stocknr. 463-846
FabrikantnummerLM385D-2.5G
FabrikantON Semiconductor
0,573 €
Each (In a Pack of 10)
Aantal stuks
2.5V SOIC Fixed ±3 % Surface Mount Shunt 20mA - 2.425 V 2.575 V 8 - 20 mV 5 x 4 x 1.5mm
RS-stocknr. 163-2402
FabrikantnummerLM285Z-2.5G
FabrikantON Semiconductor
0,261 €
Each (In a Bag of 2000)
Aantal stuks
2.5V TO-92 Fixed ±1.5 % Through Hole Shunt 20mA - 2.462 V 2.538 V 3 - 10 mV 5.2 x 4.19 x 5.33mm
RS-stocknr. 163-0321
FabrikantnummerTL431ACDR2G
FabrikantON Semiconductor
0,107 €
Each (On a Reel of 2500)
Aantal stuks
2.5 - 36V SOIC Programmable ±1.0 % Surface Mount Shunt 100mA - 2.44 V 36 V 8 53 mV 25 mV 5 x 4 x 1.5mm
RS-stocknr. 146-2126
FabrikantnummerLM431SBCM32X
FabrikantON Semiconductor
0,066 €
Each (On a Reel of 3000)
Aantal stuks
2.5 - 36V SOT-23 Adjustable ±1.0 % Surface Mount Shunt 100 (Cathode)mA - 2.5 (Cathode) V 36 V 3 - - 2.92 x 1.3 x 0.93mm
RS-stocknr. 166-3530
FabrikantnummerKA431LZTA
FabrikantON Semiconductor
0,058 €
Each (On a Tape of 2000)
Aantal stuks
2.5 - 36V TO-92 Programmable ±0.5 % Through Hole Shunt - - - 36 V 3 - - 5.2 x 4.19 x 5.33mm
RS-stocknr. 862-4976
FabrikantnummerTL431ACLPG
FabrikantON Semiconductor
0,318 €
Each (In a Pack of 50)
Aantal stuks
2.5 - 36V TO-92 Programmable ±1.0 % Through Hole Shunt 100mA - - 36 V 3 53 mV 25 mV 5.2 x 4.19 x 5.33mm
RS-stocknr. 166-1970
FabrikantnummerLM431SCCMFX
FabrikantON Semiconductor
0,065 €
Each (On a Reel of 3000)
Aantal stuks
2.5 - 36V SOT-23F Adjustable ±0.5 % Surface Mount Shunt 100 (Cathode)mA - 2.5 (Cathode) V 36 V 3 - - 3 x 1.7 x 1mm
RS-stocknr. 101-8305
FabrikantnummerLM285Z-1.2G
FabrikantON Semiconductor
0,269 €
Each (In a Bag of 2000)
Aantal stuks
1.235V TO-92 Fixed ±1.0 % Through Hole Shunt 20mA - 1.223 V 1.247 V 3 - 10 mV 5.2 x 4.19 x 5.33mm
RS-stocknr. 163-0322
FabrikantnummerTL431ACLPG
FabrikantON Semiconductor
0,142 €
Each (In a Bag of 2000)
Aantal stuks
2.5 - 36V TO-92 Programmable ±1.0 % Through Hole Shunt 100mA - - 36 V 3 53 mV 25 mV 5.2 x 4.19 x 5.33mm
RS-stocknr. 162-8884
FabrikantnummerLM285Z-1.2RAG
FabrikantON Semiconductor
0,272 €
Each (On a Reel of 2000)
Aantal stuks
1.235V TO-92 Fixed ±1.0 % Through Hole Shunt - - - - 3 - - 5.2 x 4.19 x 5.33mm
RS-stocknr. 186-9292
FabrikantnummerNCP431BISNT1G
FabrikantON Semiconductor
0,308 €
Each (In a Pack of 25)
Aantal stuks
2.5V SOT-23 Programmable 0.5% Surface Mount Shunt - 2.51 V - 36 V 3 - - 3.04 x 1.4 x 1.01mm
RS-stocknr. 688-8770
FabrikantnummerLM385D-1.2G
FabrikantON Semiconductor
0,625 €
Each (In a Pack of 2)
Aantal stuks
1.235V SOIC Fixed ±2.0 % Surface Mount Shunt 20mA - 1.205 V 1.26 V 8 - 20 mV 5 x 4 x 1.5mm
RS-stocknr. 463-498
FabrikantnummerLM385Z-2.5G
FabrikantON Semiconductor
0,443 €
Each (In a Pack of 10)
Aantal stuks
2.5V TO-92 Fixed ±3 % Through Hole Shunt 20mA - 2.425 V 2.575 V 3 - 20 mV 5.2 x 4.19 x 5.33mm