PZTA42

Single Bipolar Transistors Overview

The PZTA42T1G is a high voltage NPN silicon transistor in a surface mount SOT-223 package. It features a collector-emitter voltage of 300 Vdc and a DC collector current rating of 500 mAdc. The device has a total power dissipation of 1.5 W at 25°C ambient temperature. Key electrical characteristics include a DC current gain ranging from 25 to 40, a current-gain bandwidth product of 50 MHz, and a feedback capacitance of 3.0 pF. It operates within a junction temperature range up to 150°C and is AEC-Q101 qualified for automotive applications.

Single Bipolar Transistors Feature Summary

• High voltage capability with 300 V collector-emitter breakdown
• Automotive grade qualification under AEC-Q101 standards
• Complementary design available with PZTA92T1G
• RoHS compliant and halogen-free construction

Single Bipolar Transistors Applications

• Automotive electronic systems requiring unique site control
• High voltage switching circuits
• General purpose amplification applications

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix T1G to confirm the tape and reel packaging configuration and Pb-free status. Ensure the procurement documentation explicitly states AEC-Q101 qualification if automotive compliance is required. Confirm that the component meets RoHS and halogen-free specifications as stated in the datasheet. Cross-reference the part number PZTA42T1/D with the ordered item to ensure correct revision alignment.

Single Bipolar Transistors Selection Notes

Select this component when a high voltage NPN transistor is needed in a surface mount format. The 300 V rating makes it suitable for high-side switching or driver applications where standard low-voltage transistors would fail. Consider the thermal resistance of 83.3°C/W for heat dissipation planning. Verify that the 500 mA current limit meets the load requirements of the specific circuit design.

Single Bipolar Transistors Part Context

This device belongs to the PZTA series of high voltage transistors manufactured by onsemi. It is designed as the NPN complement to the PZTA92T1G PNP transistor. The series utilizes a SOT-223 (CASE 318E) package to provide robust surface mount integration. The technology focuses on providing reliable performance in demanding environments, including automotive sectors.

Single Bipolar Transistors Replacement Considerations

The official complementary part is the PZTA92T1G. No other direct substitute part numbers are documented in the provided source material.