BUX21 The BUX21 is an NPN transistor from STMicroelectronics. It offers a high collector-emitter voltage of 200V and a maximum collector current of 40A.
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BUX21

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Mfr Name: STMicroelectronics
STMicroelectronics
The BUX21 is an NPN transistor from STMicroelectronics. It offers a high collector-emitter voltage of 200V and a maximum collector current of 40A.
✓ Total Stock: 1 pcs
$ Price Range: $0.77

BUX21 Available from 1 distributor

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BUX21 Specifications Quick View

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BUX21 Description

Short technical summary and product information.

The BUX21 is a bipolar junction transistor (BJT) manufactured by STMicroelectronics. Designed for power applications, this NPN transistor features a maximum collector current of 40A and a collector-emitter voltage rating of 200V. It has a maximum power dissipation of 250W, with a typical power dissipation of 350W, indicating its capability to handle significant power loads.

 

The operating temperature range extends up to 175°C, making it suitable for demanding environments. The transistor has 2 terminals and is designed for applications requiring robust switching and amplification capabilities. Its specifications suggest suitability for power supply circuits, motor control, and other high-power switching applications where reliability and performance are critical.

 

This component is classified under Transistors - Bipolar (BJT) - Single, Pre-Biased. The BUX21 is a key component in many electronic designs, providing efficient power control and signal amplification. Its robust construction and high power ratings make it a reliable choice for industrial and commercial electronic systems.

BUX21 Quick Information

Product Type: Transistor
Canonical Name: BUX21 NPN Transistor
Subcategory: Single

BUX21 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

BUX21 Estimated Pricing

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1+ $0.77 $0.77

Estimated market price range - modelled values for guidance only, not live distributor offers.

BUX21 Features

  • 200V Collector-Emitter Voltage rating.
  • 40A Maximum Collector Current.
  • 250W Maximum Power Dissipation.
  • Operates up to 175°C.
  • 2-terminal device.

BUX21 Applications

  • Ideal for power supply circuits.
  • Suitable for motor control applications.
  • Used in high-power switching.
  • Effective for signal amplification.

BUX21 FAQs

4 frequently asked questions generated from this part’s specifications.
What is the maximum collector current for the BUX21 transistor?

The maximum collector current for the BUX21 is 40A.

What is the maximum collector-emitter voltage of the BUX21?

The maximum collector-emitter voltage for the BUX21 is 200V.

What is the maximum power dissipation for the BUX21?

The maximum power dissipation for the BUX21 is 250W.

What is the maximum operating temperature for the BUX21 transistor?

The maximum operating temperature for the BUX21 is 175°C.

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