ZTX951

Single Bipolar Transistors Overview

The ZTX951 is a PNP silicon planar medium power high current transistor manufactured by Diodes Incorporated. It features a continuous collector current of -4 A and supports peak currents up to -15 A. The device provides a collector-emitter breakdown voltage (VCEO) of -60 V, a collector-base breakdown voltage (VCBO) of -100 V, and an emitter-base breakdown voltage (VEBO) of -6 V. Power dissipation is rated at 1.2 W at 25°C ambient temperature, with a practical dissipation of 1.58 W on a standard PCB footprint. The transition frequency (fT) is specified at 120 MHz.

Single Bipolar Transistors Feature Summary

• Designed for high current applications with excellent gain performance extending up to 10 Amps
• Features very low saturation voltage characteristics for efficient switching operations
• Includes a Spice model for circuit simulation and design verification

Single Bipolar Transistors Applications

• High current switching circuits
• Power amplifier stages
• Motor control interfaces

Single Bipolar Transistors Procurement Notes

Verify the specific package configuration against your board layout requirements before ordering. Confirm that the thermal management strategy aligns with the junction-to-ambient resistance specifications provided in the datasheet. Ensure that operating conditions remain within the absolute maximum ratings to prevent device failure.

Single Bipolar Transistors Selection Notes

Select this component when a PNP transistor capable of handling significant continuous and peak currents is required. Consider the low saturation voltage for minimizing power loss in conduction states. Evaluate the thermal resistance parameters if the application involves sustained high-current loads or limited airflow conditions.

Single Bipolar Transistors Part Context

This part belongs to the ZTX series of bipolar junction transistors from Diodes Incorporated. It is designed as a medium power device suitable for general-purpose high current applications. The E-Line package offers TO-92 compatibility for easy integration into existing through-hole designs.

Single Bipolar Transistors Replacement Considerations

ZTX951STZ

Single Bipolar Transistors FAQ

What is the maximum peak pulse current rating?

The ZTX951 can handle a peak pulse current of -15 A.

How does the static forward current transfer ratio vary with collector current?

The hFE ranges from 10 to 300 depending on the collector current, maintaining values between 75 and 200 at higher currents such as 1A and 4A.

What are the typical switching times for this transistor?

The turn-on time is typically 82 ns and the turn-off time is typically 350 ns under specified test conditions.