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What is a Shunt Regulator?

A shunt regulator provides a path from the supply voltage towards the ground through a variable resistance. Shunt regulators are simpler than series regulators and sometimes only consist of a voltage-reference diode and are used in very low-powered circuits where the amount of wasted current is too small to be of any concern. Shunt regulators are very common in voltage reference circuits. Several simple DC power supplies regulate the voltage by using a shunt regulator.

Types of Shunt Regulators

There are many different kinds of shunt regulators and at Future Electronics we stock many of the most common types categorized by accuracy, reference voltage, packaging type and operating temperature range. The parametric filters on our website can help refine your search results depending on the required specifications.

The most common size for reference voltage is 1.24 V. We also carry shunt regulators with reference voltage as high as 36 V.

Shunt Regulators from Future Electronics

Future Electronics has a full selection of programmable shunt regulators from several manufacturers that can be used to design a shunt voltage regulator, adjustable shunt regulator, linear shunt regulator, low voltage shunt regulator or for any other type of circuit that may require a shunt regulator. Simply choose from the shunt regulator technical attributes below and your search results will quickly be narrowed to match your specific shunt regulator application needs.

If you have a preferred brand, we deal with several manufacturers such as Micrel Semiconductor, NXP and ON Semiconductor. You can easily refine your shunt regulator product search results by clicking your preferred shunt regulator brand below from our list of manufacturers.

Applications for Shunt Regulators:

There are several applications for shunt regulators including:

  • Low Output Voltage Switching Power Supplies
  • Current Source and Sink Circuits
  • Error Amplifiers
  • Adjustable Voltage or Current Linear and Switching Power Supplies
  • Voltage Monitoring
  • Analog and Digital Circuits Requiring Precision References
  • Precision current limiters

Choosing the Right Shunt Regulator:

When you are looking for the right shunt regulators, with the FutureElectronics.com parametric search, you can filter the results by various attributes: by Accuracy (±1 %, ±0.5%, 1 %) and Reference Voltage (1.24 V, 1.245 V, 36 V) to name a few. You will be able to find the right semiconductor chip from several manufacturers that can be used to design an adjustable shunt regulator, linear shunt regulator, shunt voltage regulator, low voltage shunt regulator or shunt regulator circuit.

Shunt Regulators in Production Ready Packaging or R&D Quantities

If the quantity of shunt regulators required is less than a full reel, we offer customers many of our programmable shunt regulator products in tube, tray or individual quantities that will avoid unneeded surplus.

In addition, Future Electronics offers clients a unique bonded inventory program that is designed to eliminate potential problems that may arise from an unpredictable supply of products containing raw metals and products with erratic or long lead times. Talk with your nearest Future Electronics branch and find out more on how you and your company can avoid possible shortages.



Shunt Regulators by Primary Attributes:

By Accuracy




By Reference Voltage




By Operating Temp Range






Featured Shunt Regulator Products


Manufacturer Part Number Description
Micrel Semiconductor MIC4043YM4 TR MIC4043 Series 1.245 V SMT Low Voltage Secondary Side Shunt Regulator - SOT-143
Micrel Semiconductor MIC4043YM4 TR MIC4043 Series 1.245 V SMT Low Voltage Secondary Side Shunt Regulator - SOT-143
NXP TL431AMSDT,215 TL431 Series 36 V 100 mA Adjustable Precision Shunt Regulator - SOT-23
NXP TL431AQDBZR,215 TL431 Series 36 V 100 mA Adjustable Precision Shunt Regulator - SOT-23
NXP TL431AMSDT,215 TL431 Series 36 V 100 mA Adjustable Precision Shunt Regulator - SOT-23
NXP TL431AQDBZR,215 TL431 Series 36 V 100 mA Adjustable Precision Shunt Regulator - SOT-23
NXP TL431BQDBZR,215 TL431 Series 36 V 100 mA Adjustable Precision Shunt Regulator - SOT-23
ON Semiconductor TLV431BSN1T1G TLV Series 1.24 V Low Voltage Precision Adjustable Shunt Regulator - SOT-23-3
ON Semiconductor TLV431BSNT1G TLV Series 1.24 V Low Voltage Precision Adjustable Shunt Regulator - TSOP-5
ON Semiconductor TLV431ASNT1G TLV Series 1.24 V Low Voltage Precision Adjustable Shunt Regulator - TSOP-5
ON Semiconductor TLV431ASN1T1G TLV Series 1.24 V Low Voltage Precision Adjustable Shunt Regulator - SOT-23-3
ON Semiconductor TLV431BLP TLV Series 1.24 V Low Voltage Precision Adjustable Shunt Regulator - TO-92-3
ON Semiconductor TLV431ALPG TLV Series 1.24 V Low Voltage Precision Adjustable Shunt Regulator - TO-92
ON Semiconductor TLV431ASN1T1G TLV Series 1.24 V Low Voltage Precision Adjustable Shunt Regulator - SOT-23-3
ON Semiconductor TLV431ASNT1G TLV Series 1.24 V Low Voltage Precision Adjustable Shunt Regulator - TSOP-5

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