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. 534-3223
FabrikantnummerLM4431M3-2.5/NOPB
€ 2,21
Each
Aantal stuks
2.5V SOT-23 Fixed ±2.0 % Surface Mount Shunt 15mA 30 V - - 3 - 8 mV 2.92 x 1.3 x 0.93mm
RS-stocknr. 460-871
FabrikantnummerLM285M/NOPB
€ 1,102
Each (In a Pack of 5)
Aantal stuks
1.24 - 5.3V SOIC Adjustable ±2.0 % Surface Mount Shunt 20mA - 1.24 V 5.3 V 8 - 10 mV 4.9 x 3.9 x 1.45mm
RS-stocknr. 122-2907
FabrikantnummerZTL432AFFTA
FabrikantDiodesZetex
€ 0,105
Each (On a Reel of 3000)
Aantal stuks
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-stocknr. 738-5086
FabrikantnummerZHT431F01TA
FabrikantDiodesZetex
€ 1,046
Each (In a Pack of 5)
Aantal stuks
2.5V SOT-23 Adjustable ±1.0 % Surface Mount Shunt 100mA - 2.5 V 20 V 3 - - 3.04 x 1.4 x 1.02mm
RS-stocknr. 738-5184
FabrikantnummerZXRE125FFTA
FabrikantDiodesZetex
€ 0,896
Each (On a Tape of 5)
Aantal stuks
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-stocknr. 159-7625
FabrikantnummerAD589MH
FabrikantAnalog Devices
€ 42,714
Each (In a Box of 100)
Aantal stuks
1.235V TO-51 Fixed ±1.2 % Through Hole Shunt 5mA - 1.2 V 1.25 V 2 - - 5.84 (Dia.) x 3.81mm
RS-stocknr. 661-9795
FabrikantnummerLM385LP-2-5
€ 0,556
Each (In a Pack of 5)
Aantal stuks
2.5V TO-92 Fixed ±3 % Through Hole Shunt 20mA - 2.425 V 2.575 V 3 - 20 mV 4.83 x 3.43 x 3.68mm
RS-stocknr. 661-9650
FabrikantnummerTLVH431BIDBZT
€ 1,196
Each (In a Pack of 5)
Aantal stuks
1.24 - 18V SOT-23 Adjustable ±0.5 % Surface Mount Shunt 70mA 20 V 1.24 V 18 V 3 - - 2.92 x 1.3 x 1mm
Nieuw
RS-stocknr. 190-4452
FabrikantnummerMAX6166AESA+
FabrikantMaxim Integrated
€ 2,957
Each (In a Tube of 100)
Aantal stuks
2.5V SO Precision ±2% Surface Mount Series/Shunt - 12.6 V 2.498 V 2.502 V 8 250 μV/V 0.9 (Sourcing) mV/mA, 5 (Sink) mV/mA 5 x 4 x 1.5mm
RS-stocknr. 709-8196
FabrikantnummerADR443ARMZ
FabrikantAnalog Devices
€ 7,14
Each
Aantal stuks
3V MSOP Fixed ±0.13 % Surface Mount Series 10mA 20 V 2.996 V 3 V 8 20 ppm/V 50 ppm/mA 3 x 3 x 0.85mm
Nieuw
RS-stocknr. 191-5079
FabrikantnummerMAX6162AESA+
FabrikantMaxim Integrated
€ 2,816
Each (In a Pack of 5)
Aantal stuks
- SOIC Precision ±2mV Surface Mount Series 5mA 13.5 V 1.248 V 1.252 V 8 150 μV/V 2.5 mV/mA 5 x 4 x 1.5mm
RS-stocknr. 709-5503
FabrikantnummerREF195GRUZ
FabrikantAnalog Devices
€ 3,43
Each
Aantal stuks
5V TSSOP Fixed ±0.04 % Surface Mount Series 30mA 18 V 4.99 V 5.01 V 8 8 ppm/V 8 ppm/mA 3 x 4.4 x 1.05mm
RS-stocknr. 162-5871
FabrikantnummerREF3312AIDCKT
€ 1,218
Each (On a Reel of 250)
Aantal stuks
1.25V SC-70 Fixed ±0.15 % Surface Mount Series 5mA 7.5 V - - 3 50 ppm/V 50 ppm/mA 2 x 1.25 x 0.9mm
RS-stocknr. 183-2284
FabrikantnummerADR421ARMZ
FabrikantAnalog Devices
€ 4,888
Each (In a Tube of 50)
Aantal stuks
2.5V MSOP Precision 0.12% Surface Mount Series 10mA 18 V 2.49 V 2.503 V 8 35 ppm/V 70 ppm/mA 3.2 x 3.2 x 0.95mm
RS-stocknr. 154-7675
FabrikantnummerLT1004IZ-1.2#PBF
FabrikantAnalog Devices
€ 3,559
Each (In a Bag of 500)
Aantal stuks
1.235V TO-92 Fixed ±0.3 % Through Hole Shunt 20mA - - 1.235 V 3 - - 4.572 x 4.572 x 3.556mm
Nieuw
RS-stocknr. 191-3275
FabrikantnummerMAX6007BEUR+T
FabrikantMaxim Integrated
€ 0,697
Each (On a Reel of 2500)
Aantal stuks
2.04V SOT-23 Precision 0.5% Surface Mount Shunt - - - - 3 - - 3.04 x 1.4 x 1.02mm
Nieuw
RS-stocknr. 189-6885
FabrikantnummerMAX6325CSA+
FabrikantMaxim Integrated
€ 10,217
Each (In a Tube of 100)
Aantal stuks
2.5V SO Precision ±0.02% Surface Mount - - 36 V 2.499 V 2.501 V 8 45 ppm/V 15 (Sourcing) ppm/mA, 30 (Sink) ppm/mA 5 x 4 x 1.5mm
RS-stocknr. 111-1104
FabrikantnummerREF02CPZ
FabrikantAnalog Devices
€ 2,781
Each (In a Tube of 50)
Aantal stuks
5V PDIP Fixed ±1.0 % Through Hole Series 8mA 40 V 4.95 V 5.05 V 8 150 ppm/V 150 ppm/mA 9.27 x 7.24 x 3.43mm
RS-stocknr. 697-7751
FabrikantnummerADR441ARZ
FabrikantAnalog Devices
€ 5,30
Each
Aantal stuks
2.5V SOIC Fixed ±0.13 % Surface Mount Series 10mA 20 V 2.497 V 2.503 V 8 20 ppm/V 50 ppm/mA 5 x 4 x 1.5mm
RS-stocknr. 923-3442
FabrikantnummerREF02BP
€ 5,282
Each (In a Tube of 50)
Aantal stuks
5V PDIP Fixed ±0.2 % Through Hole Series - 40 V 4.99 V 5.01 V 8 0.01 %/V 0.008 %/mA 9.81 x 6.35 x 4.57mm
Related Products
Precison Fixed and Adjustable Voltage Reference ICs utilsing ...
Description:
Precison Fixed and Adjustable Voltage Reference ICs utilsing series, shunt or series/shunt topologies and available in both through-hole and surface mount packages. Voltage References are available with initial accuracies of ±0.02 to ±2%.
Precison Fixed and Adjustable Voltage Reference ICs utilsing ...
Description:
Precison Fixed and Adjustable Voltage Reference ICs utilsing series, shunt or series/shunt topologies and available in both through-hole and surface mount packages. Voltage References are available with initial accuracies of ±0.02 to ±2%.