ZTX958STZ

Single Bipolar Transistors Overview

The ZTX958STZ is a PNP silicon planar medium-power high-current transistor manufactured by Diodes Incorporated. It features a continuous collector current of -0.5 A and a peak pulse current of -1.5 A. The device supports a collector-base voltage (VCBO) and collector-emitter voltage (VCEO) of -400 V, with an emitter-base breakdown voltage (VEBO) of -6 V. Power dissipation reaches 1.2 W at 25°C ambient temperature, extending to 1.58 W practically on a PCB. Transition frequency is rated at 85 MHz. Operating and storage temperatures range from -55°C to +200°C.

Single Bipolar Transistors Feature Summary

• Very low saturation voltage for efficient switching
• Excellent gain characteristics up to 1 Amp
• High collector-emitter breakdown voltage of -400 V
• Extended operating junction temperature up to 200°C

Single Bipolar Transistors Applications

• Automotive applications requiring specific change control
• General-purpose medium-power switching circuits
• High-voltage PNP transistor stages

Single Bipolar Transistors Procurement Notes

Verify the component status before procurement as the datasheet explicitly states the ZTX958 is not recommended for new designs. Confirm availability through authorized Diodes Incorporated representatives or distributors. Ensure compliance with automotive qualification standards if required for your specific application environment.

Single Bipolar Transistors Selection Notes

Select this component for applications requiring high voltage handling and moderate continuous current in a TO-92 compatible package. Consider the thermal resistance of 150 °C/W when designing heat dissipation strategies. Evaluate the transition frequency and saturation voltage against circuit speed and efficiency requirements.

Single Bipolar Transistors Part Context

This part belongs to the ZTX series of bipolar junction transistors produced by Diodes Incorporated under the Zetex brand. It utilizes a silicon planar process technology housed in an E-Line (TO-92 compatible) three-pin package. The device is designed for robust performance in demanding electronic environments.

Single Bipolar Transistors Replacement Considerations

Consult Diodes Incorporated directly for approved substitutes due to the 'not recommended for new designs' status. Verify pinout compatibility and electrical parameter equivalence before integrating any alternative components into existing hardware layouts.

Single Bipolar Transistors FAQ

Is the ZTX958 suitable for new product designs?

No, the datasheet explicitly states that the ZTX958 is not recommended for new designs.

What is the maximum collector-base voltage rating?

The maximum collector-base voltage (VCBO) is rated at -400 V.

Does the ZTX958 support automotive applications?

Yes, it can be used for automotive applications requiring specific change control, such as parts qualified to AEC-Q100/101/104/200 and manufactured in IATF 16949 certified facilities.