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MULTICOMP PRO BU406 High Voltage Power Transistor

The BU406 is a high-voltage, high-speed NPN power transistor designed for horizontal deflection output stages in TV and CRT circuits. It features a collector-emitter voltage of 400V, low saturation voltage of 1V at 5A, and fast switching with a fall time of 0.75 microseconds. Capable of handling continuous collector currents up to 7A and peak currents of 10A, it boasts a total power dissipation of 60W at 25°C. Its thermal resistance and junction temperature range ensure reliable operation in various environments, making it ideal for high-voltage switching applications.

Authorized Distributors
Source:Newark
Part No:BU406
Stock:616
Inv Date:06-06-2026
Price: Unit price: $1.52
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Source:DigiKey
Part No:BU 406
Stock:0
Inv Date:06-06-2026
Price: Unit price: $17.182
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Source:DigiKey
Part No:BU406
Stock:1100
Inv Date:06-06-2026
Price: Unit price: $0.48
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Source:DigiKey
Part No:BU406
Stock:1000
Inv Date:06-06-2026
Price: Unit price: $1.66
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Part No:BU 406
Stock:25
Inv Date:06-07-2026
Price: Unit price: $21.6
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Part No:BU406
Stock:0
Inv Date:06-07-2026
Price: N/A
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Part No:BU406
Stock:0
Inv Date:06-07-2026
Price: N/A
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Part No:BU 406
Stock:0
Inv Date:06-06-2026
Price: Unit price: $20.95
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Part No:BU-406
Stock:0
Inv Date:06-06-2026
Price: Unit price: $11.33
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Authorized Distributors
Part No:BU-406
Stock:0
Inv Date:06-06-2026
Price: Unit price: $11.33
Buy/RFQ:

MULTICOMP PRO BU406 High Voltage Power Transistor Specifications:

  • Collector-Emitter Voltage Voeo = 400V
  • Collector-Base Voltage Vego = 6V
  • Emitter-Base Voltage Vepо = 6V
  • Collector Current-Continuous 7A
  • Peak Collector Current 10A
  • Total Power Dissipation at 25°C 60W
  • Thermal Resistance Junction to Case 2.08°C/W
  • Junction Temperature Range -65°C to +150°C
  • Fall Time 0.75us
  • Collector-Emitter Saturation Voltage 1V at 5A
  • Base-Emitter Saturation Voltage 0.54V at 5A
  • DC Current Gain (hFE) 30 (Typ.) at 2A
  • Output Capacitance 80pF at 10V, 1MHz
  • Pin Configuration: 1. Base, 2. Collector, 3. Emitter, 4. Collector (Case)

Buy the Multicomp BU406 – Reliable High-Voltage Power Transistor for Industrial Applications

Order the Multicomp BU406 today and enhance your high-voltage circuit designs. This robust small-signal transistor is perfect for TV, CRT, and deflection applications, offering reliable 400V switching, low saturation, and fast response times. Designed for durability, it handles continuous currents up to 7A, with thermal management features ensuring long-lasting operation. Easy to integrate into your electronics projects or industrial systems, ensuring high performance and dependable operation under demanding conditions. Purchase online now for prompt delivery and superior quality.

Get Multicomp BU406 today—built for high-voltage switching and durable performance in industrial circuits.

Frequently Asked Questions

Where can I buy MULTICOMP PRO BU406?

You can click on the BUY or RFQ button to purchase BU406 from an authorized MULTICOMP PRO distributor.

How do I troubleshoot issues or seek technical support for part BU406?

You can download the BU406 datasheet or visit the MULTICOMP PRO website for support.

Who is the manufacturer of BU406?

MULTICOMP PRO

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