Diodes ZTX450 NPN Silicon Transistor E-Line TO-92

Diodes ZTX450 NPN Silicon Transistor is a through-hole NPN silicon planar medium power transistor rated at 45V collector to emitter voltage and 1A continuous collector current, supplied in a compact E-Line package that is TO-92 compatible.

Overview

The ZTX450 is intended for analogue amplification and switching circuits. It offers a balance of voltage, current and power handling, with a collector to base voltage of 60V, making it suitable for low to medium voltage applications.

Key Features

• Collector to emitter voltage (Vce) of 45V
• Collector to base voltage of 60V
• Continuous collector current rating of 1A
• Power dissipation (Pd) of 1W
• Collector to emitter saturation voltage (Vce(sat)) of 250mV at 150mA collector current, which helps to minimise power loss in switching roles
• DC current gain (hFE) with a minimum of 100
• Transition frequency of 150MHz
• Operating temperature range from -55°C to 200°C

Mounting and Dimensions

The transistor is designed for through-hole mounting (THT) on printed circuit boards (PCBs) and features three pins. Its compact E-Line case style is a common footprint that facilitates design and replacement in existing layouts. Listed dimensions are width 3.3, depth 1.5 and height 4.3, with a weight of 0.2 g.

Applications

Suitable for analogue amplification circuits, switching circuits and low to medium voltage applications, the ZTX450 is a practical choice for designers working with through-hole PCB layouts. Its electrical specifications are listed above to support component selection and integration.