DTA143ZCAHE3-TP

Overview

The DTA143ZCAHE3-TP is a single PNP digital transistor manufactured by Micro Commercial Components (MCC). It integrates a pre-biased configuration within an SOT-23 surface-mount package. Key electrical parameters include a maximum collector-emitter voltage (VCEO) of 50 V and a continuous collector current of 100 mA. The device features a typical base resistor (R1) of 4.7 kOhms with a standard resistor ratio of 10. It operates at a maximum frequency of 250 MHz and dissipates up to 200 mW of power. The component supports an operating temperature range from -55°C to +150°C and holds AEC-Q101 automotive qualification.

Feature Summary

• Integrates a single PNP transistor with internal biasing resistors for simplified circuit design
• Automotive-grade reliability certified under the AEC-Q101 standard
• Optimized for high-speed switching applications with a transition frequency of 250 MHz
• Compact SOT-23 surface-mount packaging suitable for space-constrained layouts

Applications

• Automotive electronic control units requiring qualified discrete components
• General-purpose switching circuits in consumer electronics
• Driver stages for low-power loads in industrial equipment
• Logic level translation interfaces between microcontrollers and peripherals

Procurement Notes

Verify the specific suffix HE3 indicates lead-free compliance and halogen-free status as per manufacturer documentation. Confirm that the AEC-Q101 qualification aligns with target automotive application requirements. Ensure ordering quantities match available reel or cut-tape formats provided by distributors. Cross-reference the exact part number against official MCC databases to confirm current production status and availability before finalizing procurement plans.

Selection Notes

Select this component when a PNP digital transistor with integrated biasing is required for 50V applications. The 4.7 kOhm base resistor value suits standard logic interface needs. Consider the 250 MHz frequency rating for high-speed switching tasks. Verify thermal management capabilities given the 200 mW power dissipation limit in the SOT-23 package. Ensure compatibility with automated assembly processes due to the surface-mount form factor.

Part Context

This part belongs to the DTA143 series of pre-biased transistors from Micro Commercial Components. It serves as the PNP counterpart to NPN variants like the DTC143ZCAHE3-TP. The series is designed to replace discrete resistor-transistor combinations, reducing board space and assembly costs. The HE3 suffix denotes environmental compliance features consistent with modern manufacturing standards.

Replacement Considerations

Direct substitutes include other PNP digital transistors with identical pinouts and similar electrical ratings. Verify equivalent base resistance values and current handling capabilities. Check for compatible automotive qualifications if used in vehicle systems. Ensure thermal performance matches the original design constraints.