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 20,723
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 42,713
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 66,30
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. 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 119,815
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. 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. 779-8903
Mfr. Part No.LM399H#PBF
kr 109,27
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. 106-6384
Mfr. Part No.AD581JH
kr 153,164
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. 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. 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. 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. 162-5920
Mfr. Part No.TLE2426IP
kr 17,196
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. 535-9717
Mfr. Part No.LM4041DIM3-ADJ/NOPB
kr 4,626
Each (In a Pack of 5)
Units
1.233 - 10V SOT-23 Adjustable ±1.0 % Surface Mount Shunt 12mA - 1.24 V 10 V 3 - 2 mV 2.92 x 1.3 x 0.93mm
RS Stock No. 758-9702
Mfr. Part No.AD588JQ
kr 309,27
Each
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. 461-9428
Mfr. Part No.REF102BP
kr 78,76
Each
Units
10V PDIP Fixed ±0.05 % Through Hole Series - 40 V 9.995 V 10.005 V 8 1 ppm/V 20 ppm/mA 9.81 x 6.35 x 4.57mm
RS Stock No. 779-9158
Mfr. Part No.LT1236ACS8-5#PBF
kr 79,46
Each
Units
5V SOIC Fixed ±0.05 % Surface Mount Series 10mA 40 V 4.9975 V 5.0025 V 8 20 ppm/V 35 ppm/mA 5.004 x 3.988 x 1.498mm
RS Stock No. 889-5815
Mfr. Part No.MCP1541T-I/TT
BrandMicrochip
kr 5,193
Each (On a Reel of 3000)
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. 121-9399
Mfr. Part No.REF3333AIDBZT
kr 11,969
Each (On a Reel of 250)
Units
3.3V SOT-23 Fixed ±0.15 % Surface Mount Series 30mA 5.5 V - - 3 30 ppm/V 20 ppm/V 3.04 x 1.4 x 1.02mm
RS Stock No. 155-6674
Mfr. Part No.LT1236ACS8-5#PBF
kr 51,576
Each (In a Tube of 100)
Units
5V SOIC Fixed ±0.05 % Surface Mount Series 10mA 40 V 4.9975 V 5.0025 V 8 20 ppm/V 35 ppm/mA 5.004 x 3.988 x 1.498mm
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