DTA044EEBTL

Overview

The DTA044EEBTL is a single PNP digital transistor manufactured by ROHM Semiconductor, featuring built-in bias resistors within an EMT3F (SOT-416FL) surface-mount package. It supports a collector-emitter voltage of 50 V and a continuous collector current of 30 mA. The device includes a base resistor (R1) and emitter-base resistor (R2), both typically rated at 47 kOhms with a ratio of 1. Key electrical characteristics include a minimum DC current gain (hFE) of 80 at 5 mA and 10 V, a transition frequency of 250 MHz, and a maximum power dissipation of 150 mW. The saturation voltage is specified at 150 mV under standard test conditions.

Feature Summary

• Integrates dual bias resistors to simplify circuit design and reduce component count.
• Optimized for high-speed switching applications with a 250 MHz transition frequency.
• Designed for surface-mount assembly in compact EMT3F packages.

Applications

• General-purpose logic interface circuits
• Driver circuits for small-signal loads
• Level shifting between different voltage domains

Procurement Notes

Verify the specific suffix against official ROHM documentation to confirm exact packaging configuration and compliance status. Ensure that the ordering code matches the required tape-and-reel quantity or cut-tape availability. Cross-reference the manufacturer part number with authorized distributor catalogs to confirm current production status and lead times before finalizing procurement plans.

Selection Notes

Select this component when a PNP digital transistor with 50 V rating and 30 mA current capacity is required. The fixed 47 kOhm resistor values suit applications needing moderate drive currents. Compare hFE and saturation voltage specifications against load requirements to ensure adequate switching performance. Verify thermal constraints given the 150 mW power dissipation limit in the SOT-416FL package.

Part Context

This part belongs to the DTA044 series of pre-biased transistors from ROHM. It serves as a PNP counterpart to NPN variants like the DTC044EEBTL. The series is designed for general-purpose switching where space savings and simplified biasing are priorities. It shares the same EMT3F footprint family as other ROHM digital transistors.

Replacement Considerations

Direct substitutes may include other PNP digital transistors with similar 50 V/30 A ratings and comparable resistor ratios. Verify pinout compatibility and electrical parameters such as hFE and Vce(sat) before substitution. Check if alternative manufacturers offer equivalent performance in the SOT-416FL package.