DTA144EUAHE3-TP

Overview

The DTA144EUAHE3-TP is a PNP digital transistor in an SOT-323 package, featuring built-in bias resistors for simplified circuit design. It operates with a supply voltage of -50 V and supports a continuous collector current of -100 mA. The device includes a typical input resistance (R1) of 47 kΩ and a resistance ratio (R2/R1) of 1.0. Key electrical parameters include a DC current gain (GI) of 68 and a transition frequency (fT) of 250 MHz. It is AEC-Q101 qualified, RoHS compliant, and rated for a maximum junction temperature of 150°C.

Feature Summary

• Built-in bias resistors enable inverter configuration without external input components
• AEC-Q101 qualified for automotive reliability standards
• Halogen-free 'Green' device with UL 94 V-0 flammability rating epoxy

Applications

• Inverter circuits requiring simplified input resistor connections
• Automotive electronic systems utilizing pre-biased switching
• General-purpose digital switching applications in surface-mount designs

Procurement Notes

Verify the component against the official Micro Commercial Components datasheet to confirm pinout alignment and electrical specifications match the target application requirements. Ensure sourcing channels are authorized distributors to guarantee genuine parts with full traceability, as unauthorized sources may lack quality assurance or warranty coverage.

Selection Notes

Select this component when a PNP digital transistor with integrated biasing is required for space-constrained SOT-323 layouts. Consider the 47 kΩ input resistance and 1:1 resistor ratio for appropriate base drive characteristics. Verify that the -50 V supply voltage and -100 mA current limits align with the system's operational constraints and thermal management capabilities.

Part Context

This part belongs to the DTC/DTA series of pre-biased transistors from Micro Commercial Components. The suffix HE3 indicates Halogen-free and RoHS compliance, while TP denotes tape-and-reel packaging. It serves as a compact alternative to discrete BJT and resistor combinations in digital logic interfaces.

Replacement Considerations

Cross-reference with other PNP digital transistors in the SOT-323 package having similar R1 values and voltage ratings. Confirm compatibility of internal resistor ratios and hFE characteristics before substitution.