DiodesZetex NPN Bipolar Transistor 400 V, 300 mA, 2 W, 4-Pin SOT-223 FZT458TA

DiodesZetex FZT458TA is a robust NPN bipolar transistor designed for high-voltage and moderate current switching applications, housed in a 4-pin SOT-223 surface mount package. It supports a maximum collector current of 300 mA and a collector-emitter voltage of 400 V, making it suitable for power management circuits, automotive electronics, and industrial control systems.

The transistor offers a power dissipation capacity of 2 watts ensuring efficient thermal performance under demanding conditions. Its single transistor design and NPN polarity enable versatile use in amplification and switching roles.

Operating reliably across a wide temperature range from -55°C up to 150°C, the FZT458TA meets stringent automotive standards including AEC-Q101, emphasizing its suitability in automotive electronics applications.

Its high frequency transition rate of 50 MHz enables use in applications requiring moderate switching speed. The small form factor with dimensions of 6.55 mm in length, 7.1 mm in width, and 1.8 mm in height allows compact PCB designs. The 4-pin configuration facilitates straightforward mounting on surface mount technology (SMT) boards.

Supports maximum power dissipation of 2 watts for reliable operation. Single transistor configuration with NPN polarity for versatile applications. Compatible with surface mount technology (SMT) using SOT-223 package. Operates over a temperature range from -55°C to 150°C for industrial environments.

Maximum transition frequency of 50 MHz for high-speed switching. Meets automotive standard AEC-Q101 for automotive electronics reliability. Compact dimensions: length 6.55 mm, width 7.1 mm, height 1.8 mm. Pin count of 4 facilitates easy PCB layout integration.

Collector-base and emitter-base voltage limits of 400 V and 5 V respectively.

This transistor is ideal for industrial, automotive, and commercial electronic design projects requiring durable, high-voltage NPN transistors with dependable thermal and frequency performance. It is commonly used in power regulation, signal amplification, and switching circuits within electronic components manufacturing and design.

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