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. 639-4480
FabrikantnummerLM4120AIM5-2.0/NOPB
€ 1,88
Each (In a Pack of 5)
Aantal stuks
2V SOT-23 Fixed ±0.2 % Surface Mount Series 5mA 14 V - - 5 0.008 %/V 0.12 %/mA 2.92 x 1.6 x 1.02mm
RS-stocknr. 761-8190
FabrikantnummerLT1236BIS8-5#PBF
FabrikantAnalog Devices
€ 5,21
Each
Aantal stuks
5V SOIC Fixed ±0.05 % Surface Mount Series/Shunt 10mA 40 V 4.995 V 5.005 V 8 10 ppm/V 35 ppm/V, 150 ppm/V 5.004 x 3.988 x 1.498mm
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
Nieuw
RS-stocknr. 190-4427
FabrikantnummerMAX6025AEUR+T
FabrikantMaxim Integrated
€ 2,629
Each (On a Reel of 2500)
Aantal stuks
2.5V SOT-23 Precision ±0.2% Surface Mount Series/Shunt - 12.6 V 2.49 V 2.505 V 3 140 μV/V 0.6 (Sourcing) μV/μA, 0.8 (Sink) μV/μA 3.04 x 1.4 x 1.02mm
RS-stocknr. 154-7683
FabrikantnummerLT1034BCZ-2.5#PBF
FabrikantAnalog Devices
€ 3,874
Each (In a Bag of 100)
Aantal stuks
2.5V TO-92 Fixed ±1.6 % Through Hole Shunt 20mA - - 2.5 V 3 - - 4.572 x 4.572 x 3.556mm
RS-stocknr. 144-9922
FabrikantnummerLM385BDG4-1-2
€ 0,682
Each (In a Tube of 75)
Aantal stuks
1.235V SOIC Fixed ±1.0 % Surface Mount Shunt 20mA - 1.223 V 1.247 V 8 - 20 mV 4.9 x 3.91 x 1.58mm
RS-stocknr. 661-9518
FabrikantnummerTL431AIDBZR
€ 0,27
Each (In a Pack of 10)
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. 535-9644
FabrikantnummerLM4040DIM3-4.1/NOPB
€ 0,544
Each (In a Pack of 5)
Aantal stuks
4.1V SOT-23 Fixed ±1.0 % Surface Mount Shunt 15mA - - - 3 - 9 mV 2.92 x 1.3 x 0.93mm
RS-stocknr. 190-7761
FabrikantnummerMAX6143AASA25+
FabrikantMaxim Integrated
€ 7,01
Each (In a Pack of 2)
Aantal stuks
2.5V SO Precision 0.06% Surface Mount - - 40 V 2.49 V 2.501 V 8 10 ppm/V 15 (Sourcing) ppm/mA, 900 (Sink) ppm/mA 5 x 4 x 1.5mm
RS-stocknr. 506-1331
FabrikantnummerLT6650CS5#TRMPBF
FabrikantAnalog Devices
€ 2,86
Each (In a Pack of 5)
Aantal stuks
0.4V TSOT-23 Adjustable ±0.75 % Surface Mount Series/Shunt - 18 V - - 5 - - 2.9 x 1.75 x 0.9mm
RS-stocknr. 169-8162
FabrikantnummerNJM2825F-TE1
FabrikantNew Japan Radio
€ 1,118
Each (On a Reel of 3000)
Aantal stuks
1.2 - 13V SOT-23 Adjustable ±0.5 % Surface Mount Shunt 12mA 14 V 1.2 V 13 V 5 - 10 mV 2.9 x 1.6 x 1.1mm
RS-stocknr. 190-4451
FabrikantnummerMAX6161AESA+
FabrikantMaxim Integrated
€ 2,831
Each (In a Tube of 100)
Aantal stuks
1.25V SO Precision ±2% Surface Mount Series/Shunt - 12.6 V 1.248 V 1.252 V 8 150 μV/V 0.9 (Sourcing) mV/mA, 2.5 (Sink) mV/mA 5 x 4 x 1.5mm
RS-stocknr. 159-7703
FabrikantnummerADR291GRUZ
FabrikantAnalog Devices
€ 4,722
Each (In a Tube of 96)
Aantal stuks
2.5V TSSOP Fixed ±0.24 % Surface Mount Series 5mA 15 V 2.498 V 2.502 V 8 125 ppm/V 125 ppm/mA 4.5 x 3.1 x 1.05mm
RS-stocknr. 534-2860
FabrikantnummerLM385Z-1.2/NOPB
€ 2,21
Each
Aantal stuks
1.235V TO-92 Fixed ±2.0 % Through Hole Shunt 20mA - - - 3 - 20 mV 5.2 x 4.19 x 5.2mm
RS-stocknr. 709-8925
FabrikantnummerTL431CPSR
€ 0,284
Each (In a Pack of 10)
Aantal stuks
2.5 - 36V SOP Adjustable ±2.0 % Surface Mount Shunt 100mA 37 V 2.5 V 36 V 8 - - 6.2 x 5.3 x 1.95mm
RS-stocknr. 796-9105
FabrikantnummerADR3412ARJZ-R2
FabrikantAnalog Devices
€ 3,442
Each (In a Pack of 5)
Aantal stuks
1.2V SOT-23 Fixed ±0.1 % Surface Mount Series 10mA 5.5 V 1.1988 V 1.2012 V 6 160 ppm/V 50 ppm/mA 3 x 1.7 x 1.3mm
RS-stocknr. 169-7423
FabrikantnummerZHT431F02TA
FabrikantDiodesZetex
€ 0,367
Each (On a Reel of 3000)
Aantal stuks
2.5V SOT-23 Adjustable ±2.0 % Surface Mount Shunt 100mA 20 V - 20 V 3 - - 3.04 x 1.4 x 1.02mm
RS-stocknr. 122-0258
FabrikantnummerLM4040D25FTA
FabrikantDiodesZetex
€ 0,154
Each (On a Reel of 3000)
Aantal stuks
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-stocknr. 661-9679
FabrikantnummerLM385BDG4-1-2
€ 0,814
Each (In a Pack of 5)
Aantal stuks
1.235V SOIC Fixed ±1.0 % Surface Mount Shunt 20mA - 1.223 V 1.247 V 8 - 20 mV 4.9 x 3.91 x 1.58mm
RS-stocknr. 709-8170
FabrikantnummerADR430ARZ
FabrikantAnalog Devices
€ 5,51
Each
Aantal stuks
2.048V SOIC Fixed ±0.15 % Surface Mount Series 30mA 20 V 2.045 V 2.051 V 8 20 ppm/V 15 ppm/mA 5 x 4 x 1.5mm
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