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. 145-1000
FabrikantnummerTL431CDBZT
€ 0,224
Each (On a Reel of 250)
Aantal stuks
2.5 - 36V SOT-23 Adjustable ±2.0 % Surface Mount Shunt 100mA 37 V 2.5 V 36 V 3 - - 2.92 x 1.3 x 1mm
RS-stocknr. 522-9470
FabrikantnummerREF43GPZ
FabrikantAnalog Devices
€ 11,54
Each
Aantal stuks
2.5V PDIP Fixed ±0.1 % Through Hole Series 80mA 40 V 2.498 V 2.503 V 8 2 ppm/V 20 ppm/mA 9.27 x 7.24 x 3.43mm
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. 162-5820
FabrikantnummerLM4040B25IDBZR
€ 0,765
Each (On a Reel of 3000)
Aantal stuks
2.5V SOT-23 Fixed ±0.2 % Surface Mount Shunt 15mA - - - 3 - 6 mV 2.92 x 1.3 x 1mm
RS-stocknr. 121-9180
FabrikantnummerTL431AQDBZT
€ 0,373
Each (On a Reel of 250)
Aantal stuks
2.5 - 36V SOT-23 Adjustable ±1.0 % Surface Mount Shunt 100mA 37 V 2.5 V 36 V 3 - - 2.92 x 1.3 x 1mm
RS-stocknr. 121-8846
FabrikantnummerLM4041AIM3-1.2/NOPB
€ 0,755
Each (On a Reel of 1000)
Aantal stuks
1.225V SOT-23 Fixed ±0.1 % Surface Mount Shunt 12mA - - - 3 - 4 mV 2.92 x 1.3 x 0.93mm
RS-stocknr. 533-5799
FabrikantnummerLM336Z-2.5/NOPB
€ 2,21
Each
Aantal stuks
2.5V TO-92 Fixed ±4 % Through Hole Shunt 10mA - 2.39 V 2.59 V 3 - 10 mV 5.2 x 4.19 x 5.2mm
RS-stocknr. 761-5895
FabrikantnummerLM385M3-2.5/NOPB
€ 1,02
Each (In a Pack of 5)
Aantal stuks
2.5V SOT-23 Fixed ±0.8 % Surface Mount Shunt 20mA - - 2.5 V 3 - 20 mV 2.92 x 1.4 x 0.94mm
RS-stocknr. 661-9304
FabrikantnummerLM4040B25IDBZR
€ 1,606
Each (In a Pack of 5)
Aantal stuks
2.5V SOT-23 Fixed ±0.2 % Surface Mount Shunt 15mA - - - 3 - 6 mV 2.92 x 1.3 x 1mm
RS-stocknr. 535-9688
FabrikantnummerLM4041AIM3-1.2/NOPB
€ 1,686
Each (In a Pack of 5)
Aantal stuks
1.225V SOT-23 Fixed ±0.1 % Surface Mount Shunt 12mA - - - 3 - 4 mV 2.92 x 1.3 x 0.93mm
RS-stocknr. 111-1121
FabrikantnummerREF43GPZ
FabrikantAnalog Devices
€ 9,486
Each (In a Tube of 50)
Aantal stuks
2.5V PDIP Fixed ±0.1 % Through Hole Series 80mA 40 V 2.498 V 2.503 V 8 2 ppm/V 20 ppm/mA 9.27 x 7.24 x 3.43mm
RS-stocknr. 162-5822
FabrikantnummerLM4040C20IDBZT
€ 0,731
Each (On a Reel of 250)
Aantal stuks
2.048V SOT-23 Fixed ±0.5 % Surface Mount Shunt 15mA - - - 3 - 6 mV 2.92 x 1.3 x 1mm
RS-stocknr. 796-9029
FabrikantnummerADR381ARTZ-R2
FabrikantAnalog Devices
€ 2,346
Each (In a Pack of 5)
Aantal stuks
2.5V SOT-23 Fixed ±0.24 % Surface Mount Series 5mA 5 V 2.494 V 2.506 V 3 25 ppm/V 70 ppm/mA 3.04 x 1.4 x 1.02mm
RS-stocknr. 145-0038
FabrikantnummerLT1021DCS8-5#PBF
FabrikantAnalog Devices
€ 4,256
Each (In a Tube of 100)
Aantal stuks
5V SOIC Fixed ±1.0 % Surface Mount Series 10mA 40 V 4.95 V 5.05 V 8 20 ppm/V 35 ppm/mA 5.004 x 3.988 x 1.498mm
RS-stocknr. 404-320
FabrikantnummerREF5045AID
€ 3,03
Each
Aantal stuks
4.5V SOIC Fixed ±0.05 % Surface Mount Series 10mA 18 V - - 8 1 ppm/V 50 ppm/mA 5 x 4 x 1.5mm
RS-stocknr. 661-9802
FabrikantnummerLT1009ILP
€ 1,348
Each (In a Pack of 5)
Aantal stuks
2.5V TO-92 Fixed ±0.2 % Through Hole Shunt 10mA - 2.475 V 2.525 V 3 - 6 mV 4.83 x 3.43 x 3.68mm
RS-stocknr. 153-3611
FabrikantnummerLT1460KCS3-2.5#TRMPBF
FabrikantAnalog Devices
€ 1,768
Each (On a Reel of 500)
Aantal stuks
2.5V SOT-23 Fixed ±0.075 % Surface Mount Series 40mA 30 V - 2.5 V 3 130 ppm/V 100 ppm/V 3.04 x 1.4 x 1.02mm
RS-stocknr. 428-436
FabrikantnummerTL431ACLP
€ 2,20
Each
Aantal stuks
2.5 - 36V TO-92 Adjustable ±1.0 % Through Hole Shunt 100mA 37 V 2.5 V 36 V 3 - - 4.83 x 3.43 x 3.68mm
RS-stocknr. 796-8120
FabrikantnummerLT1004ID-2-5
€ 0,992
Each (In a Pack of 5)
Aantal stuks
2.5V SOIC Fixed ±0.8 % Surface Mount Shunt - - - - 8 - 20 mV 5 x 4 x 1.5mm
RS-stocknr. 145-6054
FabrikantnummerLT1004ID-2-5
€ 0,847
Each (In a Tube of 75)
Aantal stuks
2.5V SOIC Fixed ±0.8 % Surface Mount Shunt - - - - 8 - 20 mV 5 x 4 x 1.5mm
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