DTA144ESA-AP

Overview

The DTA144ESA-AP is a PNP digital transistor manufactured by Micro Commercial Components (MCC) in the TO-92S package. It integrates thin-film bias resistors to enable inverter circuit configuration without external input components. Key electrical parameters include a maximum supply voltage of -50 V, a collector current of -100 mA, and power dissipation of 300 mW. The device features a typical input resistance of 47 kΩ, a DC current gain of 68, and a transition frequency of 250 MHz. It operates within a junction temperature range up to 150°C and supports negative input biasing.

Feature Summary

• Built-in bias resistors facilitate inverter circuit design without external input resistors
• Thin-film resistors provide complete isolation for negative input biasing
• Eliminates parasitic effects associated with discrete resistor networks

Applications

• Inverter circuits requiring simplified input stages
• Switching applications utilizing pre-biased configurations
• Digital logic interface circuits

Procurement Notes

Verify authenticity through authorized distributors or direct MCC channels due to counterfeiting risks. Confirm RoHS compliance via the suffix designation. Check packaging options including ammo pack and bulk configurations. Ensure storage conditions adhere to moisture sensitivity level 1 requirements. Validate part traceability before integration into designs.

Selection Notes

Select this component for applications requiring PNP digital switching with integrated biasing. Consider the 47 kΩ input resistance and 68 current gain for drive requirements. Verify compatibility with negative supply voltages up to -50 V. Assess thermal management needs against the 300 mW dissipation limit. Compare transition frequency specifications for high-speed switching suitability.

Part Context

This device belongs to the DTA144 series of PNP digital transistors from Micro Commercial Components. It utilizes the TO-92S plastic encapsulation suitable for through-hole mounting. The product line emphasizes simplified circuit design through integrated biasing networks. MCC provides halogen-free variants upon request using specific ordering suffixes.

Replacement Considerations

Cross-reference with other PNP digital transistors in TO-92 packages. Verify pinout compatibility regarding Ground, Output, and Input terminals. Ensure equivalent electrical ratings for voltage, current, and gain. Confirm package dimensions match existing board layouts.