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The Best TEMPFET Transistors

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Temperature-sensitive field-effect transistors (TEMPFETs) are crucial components in applications requiring precise thermal monitoring and control. Selecting the appropriate TEMPFET ensures accurate readings and reliable performance in sensitive industrial and scientific setups. Understanding key specifications will help you find a device that meets your project's exact needs.

Looking for the best TEMPFET Transistors?

Discover now our comparison of the best TEMPFET Transistors. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best TEMPFET Transistors are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the TEMPFET Transistors in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1
BOJACK 10 Values 250 Pcs A1015 BC327 BC337 C1815 S8050 S8550 2N2222 2N2907 2N3904 2N3906 PNP NPN Power General...
  • BOJACK High Quality Power Transistors Assortment Kit.
  • Product Name: Power Transistors
  • Transistor Type: PNP & NPN
  • Transistor Model: 10 Values, Include: A1015 PNP, BC327 PNP, BC337NPN, C1815 NPN, S8050 NPN, S8550 PNP, 2N2222 NPN, 2N2907 PNP, 2N3904 NPN, 2N3906 PNP.
  • Package Quantity: 250pcs (Each model 25pcs), Packed in A Rugged Convenient Re-sealable Plastic Storage Case.
No. 2
Transistors Assortment Kit with Resistor Pack, 210 PNP and NPN BJT Transistors with 250 1/4 W metal film...
  • BJT Transistor Assortment Kit: It includes the most common PNP and NPN transistors: 2N3904, 2N3906, S8050, 2N2907, S8550, 2N2222, BC337, C1815, BC327, A1015
  • Premium Assorted Transistors: With our 210 pcs bipolar transistor pack you will never have to worry about not having the right transistor for your circuit
  • Bonus Resistor Kit Included: additional 250 pcs ¼ W, 1% tolerance, metal film resistor assortment kit that includes the most commonly used resistor values, always useful for your electronic circuits
  • Durable Plastic Storage Box Included: It helps you to always keep the transistors organized and to transport the transistor kit anywhere - forget about the hassle of keeping the transistors in a bag
  • Satisfaction Guarantee: Our transistors assortment pack is backed by our manufacturer 30-day money back guarantee
No. 3
Hilitchi 24-Values 2N2222-S9018 / BC327-BC558 NPN PNP Power General Purpose Transistors Assortment Kit - Pack...
  • ◆ High Quality Power Transistors Kit. This package contains most of the commonly used Power Transistors, these Transistors have high dielectric strength, fast switching speed, large power dissipation, good current performance, a great choice for your...
  • ◆ Product Name: Power Transistors; Transistor Type: NPN PNP
  • ◆ Package Content: 840pcs(+/-2%) x Power Transistors, Each Model 35Pcs
  • ◆ Model: 24 models, Include: BC327 PNP, BC337 NPN, BC517 NPN, BC547 NPN, BC548 NPN, BC549 NPN, BC550 NPN, BC556 PNP, BC557 PNP, BC558 PNP, 2N2222 NPN, 2N3904 NPN, 2N3906 PNP, 2N5401 PNP, 2N5551 NPN, A1015 PNP, C1815 NPN, C945 NPN, S8050 NPN, S8550 PNP...
  • ◆ Organized Within A Convenient Plastic Storage Case, Plastic Box Can Be Reused
No. 4
Hilitchi 675-Piece 15 Values 2N2222-S9018 NPN PNP Power General Purpose Transistors Assortment Kit
  • ◆ High Quality Power Transistors Kit
  • ◆ Product Name: Power Transistors; Transistor Type: NPN PNP
  • ◆ Package Content: 675pcs(+/-2%) x Power Transistors, Each Model 45Pcs
  • ◆ Model: 15 models, Include: 2N2222 NPN, 2N3904 NPN, 2N3906 PNP, 2N5401 PNP, 2N5551 NPN, A1015 PNP, C1815 NPN, C945 NPN, S8050 NPN, S8550 PNP, S9012 PNP, S9013 NPN, S9014 PNP, S9015 PNP, S9018 NPN
  • ◆ Organized Within A Convenient Plastic Storage Case, Plastic Box Can Be Reused

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Last update on 2026-04-16 / Affiliate links / Images from Amazon Product Advertising API

How to Choose the Best TEMPFET Transistors

Key Factors for Choosing a TEMPFET

When selecting a TEMPFET, consider the following.
  • Temperature Range and Accuracy: Ensure the transistor's operating temperature range aligns with your application's requirements. Note the specified accuracy (e.g., +/- 1°C) to guarantee precise measurements. Higher accuracy is essential for critical applications.
  • Response Time: The speed at which the TEMPFET reacts to temperature changes is vital for dynamic systems. A faster response time allows for quicker adjustments and more stable control loops. Consider the thermal mass and packaging, which influence this characteristic.
  • Power Dissipation and Voltage Ratings: Evaluate the maximum power the device can safely dissipate without overheating, as this can affect its accuracy. Check the drain-source voltage (Vds) and gate-source voltage (Vgs) ratings to ensure compatibility with your circuit design.

Frequently Asked Questions

What is a TEMPFET transistor used for?
A TEMPFET is a specialized FET that changes its electrical characteristics in response to temperature. This makes it ideal for temperature sensing, thermal monitoring, and as a temperature-compensated element in electronic circuits.
How does a TEMPFET differ from a standard MOSFET?
While both are field-effect transistors, a TEMPFET is specifically designed to have a predictable and measurable change in its threshold voltage or other parameters with temperature. Standard MOSFETs are not optimized for temperature sensing and can exhibit drift.
What is the typical accuracy of a TEMPFET?
The accuracy of TEMPFETs can vary significantly by model and manufacturer. Some precision devices offer accuracy within a fraction of a degree Celsius, while others might be in the range of a few degrees.
Can TEMPFETs be used in harsh environments?
Many TEMPFETs are designed for industrial use and can withstand a range of environmental conditions, including varying temperatures and humidity. Always check the datasheet for specific environmental ratings and limitations.