ZTX658STOB

Single Bipolar Transistors Overview

The ZTX658STOB is an NPN silicon planar medium-power high-voltage transistor manufactured by Diodes Incorporated. It features a collector-emitter voltage of 400 V and supports continuous collector currents up to 500 mA with a power dissipation rating of 1 W at +25°C. The device operates within a temperature range of -55°C to +200°C. Key electrical characteristics include a transition frequency of 50 MHz, static forward current transfer ratios ranging from 40 to 50 depending on operating conditions, and low saturation voltages. It utilizes the E-Line (TO-92 compatible) package.

Single Bipolar Transistors Feature Summary

• High-voltage capability with a 400 V collector-emitter breakdown voltage
• Medium-power handling with 1 W power dissipation and 500 mA continuous current
• Extended thermal operation supporting junction temperatures up to +200°C
• E-Line (TO-92 compatible) through-hole packaging for standard mounting

Single Bipolar Transistors Applications

• Telephone dialer circuits

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix STOB against official Diodes documentation to confirm tape-and-reel packaging details. Confirm component status as the datasheet indicates the ZTX658 is not recommended for new designs. Ensure compliance with AEC-Q standards if automotive qualification is required by contacting the manufacturer directly.

Single Bipolar Transistors Selection Notes

Select this component for applications requiring high-voltage NPN switching or amplification in through-hole designs. Evaluate thermal resistance values based on PCB copper area requirements. Consider that the device is marked as obsolete for new designs; verify availability and lifecycle status before finalizing circuit architecture.

Single Bipolar Transistors Part Context

The ZTX658 belongs to the ZTX series of medium-power transistors designed for robust performance in high-voltage environments. Manufactured using silicon planar technology, it provides reliable operation across wide temperature ranges. The E-Line package offers mechanical compatibility with traditional TO-92 footprints while maintaining distinct electrical specifications for specialized industrial and communication applications.

Single Bipolar Transistors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.