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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Description Price 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 Stock No. 761-8285
Mfr. Part No.LT1461CCS8-3.3#PBF
kr 31,90
Each
Units
3.3V SOIC Fixed ±0.04 % Surface Mount Series 100mA 20 V - 3.3 V 8 12 ppm/V 40 ppm/V 5.004 x 3.988 x 1.498mm
RS Stock No. 153-3612
Mfr. Part No.LT1461CCS8-3.3#PBF
kr 29,206
Each (In a Tube of 100)
Units
3.3V SOIC Fixed ±0.04 % Surface Mount Series 100mA 20 V - 3.3 V 8 12 ppm/V 40 ppm/V 5.004 x 3.988 x 1.498mm
RS Stock No. 153-3608
Mfr. Part No.LT1389BCS8-2.5#PBF
kr 49,451
Each (In a Tube of 100)
Units
2.5V SOIC Fixed ±0.05 % Surface Mount Shunt 20mA - 2.495 V 2.505 V 8 - - 5.004 x 3.988 x 1.498mm
RS Stock No. 761-8251
Mfr. Part No.LT1389BCS8-2.5#PBF
kr 53,94
Each
Units
2.5V SOIC Fixed ±0.05 % Surface Mount Shunt 20mA - 2.495 V 2.505 V 8 - - 5.004 x 3.988 x 1.498mm
RS Stock No. 783-3933
Mfr. Part No.MAX6126BASA50+
kr 29,93
Each
Units
5V SOIC Fixed ±0.06 % Surface Mount Series 725µA 12.6 V - 5 V 8 80 μV/V 50 μV/mA 5 x 4 x 1.5mm
RS Stock No. 146-1068
Mfr. Part No.MAX6126BASA50+
kr 29,394
Each (In a Tube of 100)
Units
5V SOIC Fixed ±0.06 % Surface Mount Series 725µA 12.6 V - 5 V 8 80 μV/V 50 μV/mA 5 x 4 x 1.5mm
RS Stock No. 523-7415
Mfr. Part No.AD587KNZ
kr 140,28
Each
Units
10V PDIP Fixed ±0.05 % Through Hole Series 10mA 36 V 9.995 V 10.005 V 8 100 μV/V 100 μV/mA 9.27 x 7.24 x 3.43mm
RS Stock No. 111-1173
Mfr. Part No.AD587KNZ
kr 115,108
Each (In a Tube of 50)
Units
10V PDIP Fixed ±0.05 % Through Hole Series 10mA 36 V 9.995 V 10.005 V 8 100 μV/V 100 μV/mA 9.27 x 7.24 x 3.43mm
RS Stock No. 145-5770
Mfr. Part No.TLE2426CP
kr 17,567
Each (In a Tube of 50)
Units
- PDIP Adjustable - Through Hole Series 20mA 40 V 1.98 V 20.2 V 8 - - 9.81 x 6.35 x 4.57mm
RS Stock No. 411-589
Mfr. Part No.AD581JH
kr 181,84
Each
Units
10V TO-5 Fixed ±0.3 % Through Hole Series 10mA 40 V - - 3 0.005 %/V 500 μV/mA 9.4 x 9.4 x 4.7mm
RS Stock No. 106-6384
Mfr. Part No.AD581JH
kr 150,788
Each (In a Tube of 100)
Units
10V TO-5 Fixed ±0.3 % Through Hole Series 10mA 40 V - - 3 0.005 %/V 500 μV/mA 9.4 x 9.4 x 4.7mm
RS Stock No. 779-8903
Mfr. Part No.LM399H#PBF
kr 98,10
Each
Units
6.95V TO-46 Fixed ±5 % Through Hole Shunt 10mA - - 6.95 V 4 - - 10.389 (Dia.) x 5.943mm
RS Stock No. 145-0736
Mfr. Part No.LM399H#PBF
kr 98,584
Each (In a Tube of 20)
Units
6.95V TO-46 Fixed ±5 % Through Hole Shunt 10mA - - 6.95 V 4 - - 10.389 (Dia.) x 5.943mm
RS Stock No. 661-9754
Mfr. Part No.TLE2426CP
kr 20,638
Each (In a Pack of 5)
Units
- PDIP Adjustable - Through Hole Series 20mA 40 V 1.98 V 20.2 V 8 - - 9.81 x 6.35 x 4.57mm
RS Stock No. 698-9047
Mfr. Part No.MCP1541T-I/TT
BrandMicrochip
kr 6,98
Each
Units
4.096V SOT-23 Precision 1% Surface Mount Series 20mA 7 V 4.055 V 4.137 V 3 350 μV/V 1.3 mV/mA 2.9 x 1.3 x 0.95mm
RS Stock No. 761-5937
Mfr. Part No.LM431AIM3/NOPB
kr 3,978
Each (In a Pack of 10)
Units
2.5 - 36V SOT-23 Adjustable ±2.0 % Surface Mount Shunt 100mA - 2.44 V 2.55 V 3 - - 2.92 x 1.3 x 0.93mm
RS Stock No. 159-8079
Mfr. Part No.AD588JQ
kr 276,644
Each (In a Tube of 25)
Units
±10 V, ±5 V CERDIP Programmable ±0.06 % Through Hole Series 10mA 36 V - 10 V 16 ±200 μV/V ±50 μV/mA 21.34 x 7.87 x 3.56mm
RS Stock No. 522-8405
Mfr. Part No.REF43GSZ
kr 93,52
Each
Units
2.5V SOIC Fixed ±0.1 % Surface Mount Series 80mA 40 V 2.498 V 2.503 V 8 2 ppm/V 20 ppm/mA 5 x 4 x 1.5mm
RS Stock No. 165-9201
Mfr. Part No.MAX6126A21+
kr 44,925
Each (In a Tube of 50)
Units
2.048V μMAX Fixed ±0.02 % Surface Mount Series 10mA 12.6 V - - 8 40 μV/V 25 μV/mA 3.1 x 3.1 x 0.95mm
RS Stock No. 184-1119
Mfr. Part No.TLV431ASNT1G
kr 1,184
Each (On a Reel of 3000)
Units
1.24V TSOP Precision, Programmable ±1 %, ±2 % Surface Mount Series/Shunt 20mA 16 V 1.24 V 16 V 5 - - 3.15 x 1.65 x 1mm
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