IC Phoenix logo

Home ›  M  › M140 > MJD340T4

MJD340T4 from ON,ON Semiconductor

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

MJD340T4

Manufacturer: ON, ST

High Voltage Power Transistor

Partnumber Manufacturer Quantity Availability
MJD340T4 ON, ST 22861 In Stock

Description and Introduction

High Voltage Power Transistor **Enhance Your Circuit Performance with the MJD340T4 Transistor**  

When it comes to reliable power management in electronic circuits, the MJD340T4 stands out as a high-performance PNP bipolar junction transistor (BJT) designed for demanding applications. With its robust construction and efficient power handling, this component is an excellent choice for engineers and designers seeking stability and durability in their projects.  

The MJD340T4 offers a collector-emitter voltage (VCEO) of -40V and a continuous collector current (IC) of -3A, making it well-suited for switching and amplification tasks in power supplies, motor control, and audio amplifiers. Its low saturation voltage ensures minimal power loss, improving overall system efficiency. Additionally, the transistor features a high current gain (hFE), which enhances signal amplification while maintaining thermal stability.  

Built with a TO-252 (DPAK) package, the MJD340T4 provides excellent thermal dissipation, allowing it to operate effectively under high-power conditions. The compact surface-mount design also makes it ideal for space-constrained PCB layouts without compromising performance.  

Key benefits of the MJD340T4 include:  
- **High power handling** for demanding applications  
- **Low saturation voltage** for improved efficiency  
- **Thermally efficient packaging** to prevent overheating  
- **Reliable performance** in switching and amplification circuits  

Whether used in industrial automation, consumer electronics, or automotive systems, the MJD340T4 delivers consistent performance under varying load conditions. Its combination of power efficiency, thermal management, and compact design makes it a preferred choice for engineers looking to optimize their circuit designs.  

For applications requiring a dependable PNP transistor with strong current capabilities, the MJD340T4 is a proven solution that ensures long-term reliability and superior performance.

Application Scenarios & Design Considerations

High Voltage Power Transistor

Alternative Part Number

  • MPSA42 --: High-voltage NPN transistor in TO-92, similar 300V Vceo rating and low current, commonly used as a substitute for MJD340 in low-power high-voltage applications.
  • KSP42 --: NPN high-voltage transistor with 300V rating and similar current gain, pin-compatible in many circuits and widely available as an alternative.
  • 2N5551 --: General-purpose high-voltage NPN transistor rated 160V, suitable for lower-voltage variants of the same application and a common cross-reference choice.

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips