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DIODES INC. FZT688B High Power NPN Transistor

This high-performance NPN medium power transistor features a 12V collector-emitter voltage, high current capacity of 4A, and low saturation voltage, making it ideal for battery-powered circuits and flash guns. Encased in a compact SOT223 package with moldings that are halogen- and antimony-free, it is UL 94V-0 flammable rated, RoHS compliant, and meets AEC-Q101 standards for high reliability. It offers extremely low on-resistance, high current gain over 400, and moisture sensitivity level 1, ensuring dependable and efficient operation in demanding electronic applications.

Authorized Distributors
Source:Newark
Part No:FZT688B
Stock:162
Inv Date:06-10-2026
Price: Unit price: $1.12
Buy/RFQ:

DIODES INC. FZT688B High Power NPN Transistor Specifications:

  • Collector-Base Breakdown Voltage: 12V
  • Collector-Emitter Breakdown Voltage: 12V
  • Emitter-Base Breakdown Voltage: 7V
  • Continuous Collector Current: 4A
  • Peak Pulse Current: Not specified
  • Power Dissipation: 16W
  • Thermal Resistance Junction to Ambient: 78.1°C/W
  • Operating Temp Range: -55°C to +150°C
  • BEC (Breakdown Voltage): BVceo 12V, BVcpo > 12V
  • Collector-Base Cut-Off Current: 50 nA
  • Collector-Emitter Cut-Off Current: 50 nA
  • DC Current Gain (hFE): > 400 @ 3A
  • Collector-Emitter Saturation Voltage: 180 mV @ 1A
  • Base-Emitter Saturation Voltage: Not specified
  • Input Capacitance: 200 pF
  • Output Capacitance: 40 pF
  • Turn-On Time: 40 ns
  • Turn-Off Time: 500 ns
  • Package: SOT223
  • Lead Finish: Matte Tin Plated
  • RoHS & Halogen-Free, AEC-Q101 qualified

Buy the Buy Diodes Incorporated FZT688B Part Number FZT688B Online

Order the high power NPN transistor in SOT223 package today to ensure reliable performance in your electronic projects. This RoHS-compliant, halogen-free device offers high current capacity of 4A, low saturation voltage, and excellent thermal characteristics. Ideal for battery-powered circuits, flash guns, and demanding applications requiring high efficiency and stability. With UL flammability rating 94V-0 and AEC-Q101 qualification, it ensures durability and safety. Shop online now for fast delivery and get the best in precision switching components.

Buy Diodes Incorporated FZT688B now and experience unmatched reliability and performance in high power switching and battery-powered circuits.

Frequently Asked Questions

Where can I buy DIODES INC. FZT688B?

You can click on the BUY or RFQ button to purchase FZT688B from an authorized DIODES INC. distributor.

How do I troubleshoot issues or seek technical support for part FZT688B?

You can download the FZT688B datasheet or visit the DIODES INC. website for support.

Who is the manufacturer of FZT688B?

DIODES INC.

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