ZXT12P40DXTC

Overview

The ZXT12P40DXTC is a dual PNP silicon low saturation switching transistor manufactured by Diodes Incorporated (formerly Zetex). It features a SuperSOT4™ MSOP8 package and operates with a collector-emitter voltage of -40V. The device supports a continuous collector current of -2A per channel, utilizing an ultra-low saturation matrix structure to minimize on-state losses. Key electrical characteristics include a maximum collector-base breakdown voltage of -50V and a base-emitter breakdown voltage of -7.5V. It is designed for high-efficiency applications, offering extremely low equivalent on resistance and saturation voltage.

Feature Summary

• Utilizes advanced Zetex matrix structure for extremely low on-state losses
• Features characterized hFE performance up to 5A
• Provides dual independent PNP channels in a compact surface-mount package

Applications

• DC-DC Converters
• Power Management Functions
• Motor Control Systems

Procurement Notes

Verify the specific ordering suffix TC against official Diodes Incorporated documentation to confirm reel size and tape width specifications. Ensure that component authenticity is maintained by sourcing from authorized distributors or directly from the manufacturer to avoid counterfeit risks. Confirm RoHS compliance status prior to integration into final assemblies.

Selection Notes

Select this component for designs requiring low saturation voltage and high efficiency in small form factors. Evaluate thermal dissipation requirements based on the junction-to-ambient resistance values provided for different PCB copper coverage scenarios. Ensure base drive currents are sufficient to maintain deep saturation at the target collector currents.

Part Context

This component belongs to the ZXT12P40DX series of dual PNP transistors. It represents a fourth-generation ultra-low saturation design intended to replace standard discrete transistors in power management circuits where space and efficiency are critical constraints.

Replacement Considerations

Consult official Diodes Incorporated substitution guides for verified alternatives. Do not assume pin-compatible replacements without verifying electrical parameters such as VCEO, IC, and RθJA against the original datasheet specifications.

FAQ

What is the maximum continuous collector current for each channel?

The maximum continuous collector current (IC) is specified as -2A.

What is the operating temperature range for this device?

The operating and storage temperature range (Tj:Tstg) is -55°C to +150°C.

How does the package configuration affect thermal resistance?

Thermal resistance varies based on PCB copper coverage; it is 143°C/W for single-sided 1oz copper and 100°C/W under specific FR4 measurement conditions.