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STMICROELECTRONICS BULD741T4 High Voltage Power Transistor

The BULD741 is a high voltage, fast-switching NPN power transistor manufactured using high voltage Multi-Epitaxial Planar technology. It offers excellent switching speeds, ruggedness to withstand high collector currents during breakdown without additional protection, making it ideal for electronic ballasts, switch mode power supplies, and other high-voltage applications. Packaged in DPAK and IPAK formats, it features a collector-emitter voltage of 1050V, collector current of 25A, and a maximum junction temperature of 150°C, ensuring reliable high-power operation in demanding environments.

Authorized Distributors
Source:Newark
Part No:BULD741T4
Stock:509
Inv Date:06-11-2026
Price: Unit price: $1.59
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Source:DigiKey
Part No:BULD741T4
Stock:6421
Inv Date:06-11-2026
Price: Unit price: $0.44219
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Part No:BULD741T4
Stock:3678
Inv Date:06-12-2026
Price: Unit price: $1.64
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Part No:BULD741T4
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.365
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Part No:BULD741T4
Stock:5000
Inv Date:06-12-2026
Price: N/A
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STMICROELECTRONICS BULD741T4 High Voltage Power Transistor Specifications:

  • Collector-emitter voltage: 1050 V
  • Collector current: 25 A
  • Collector peak current: 5 A
  • Base current: 1.5 A
  • Maximum junction temperature: 150°C
  • Storage temperature: -65°C to 150°C
  • Thermal resistance junction-case max: 4.16°C/W
  • Package options: DPAK, IPAK
  • Maximum power dissipation: 30 W
  • Emitter-base voltage: 24 V
  • Collector-emitter sustaining voltage: 400-450 V

Buy the STMicroelectronics Series High Voltage Power Transistor: BULD741

Purchase the high-performance BULD741 power transistor online and experience reliable high-voltage switching with exceptional speed and ruggedness. Designed for demanding applications like electronic ballasts and power supplies, this transistor offers up to 1050V collector-emitter voltage, 25A current capacity, and outstanding thermal stability. With a compact DPAK or IPAK package, it ensures effortless integration into your designs. Buy this advanced power device today to ensure efficiency, durability, and high-speed switching in your high-voltage applications.

Get STMicroelectronics BULD741 today—built for high-voltage power switching and long-lasting durability.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS BULD741T4?

You can click on the BUY or RFQ button to purchase BULD741T4 from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part BULD741T4?

You can download the BULD741T4 datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of BULD741T4?

STMICROELECTRONICS

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