DDTA124EKA-7-F

Overview

The DDTA124EKA-7-F is a PNP pre-biased small signal surface mount transistor manufactured by Diodes Incorporated. It features an epitaxial planar die construction and includes built-in biasing resistors where R1 equals R2, with a nominal resistance of 22 kOhms. The device is housed in an SC-59 package and supports a maximum supply voltage of -50 V. It operates within a temperature range of -55°C to +150°C, dissipates up to 200 mW of power, and provides a minimum DC current gain (hFE) of 56 at specific test conditions.

Feature Summary

• Integrates built-in biasing resistors with equal values for simplified circuit design
• Utilizes epitaxial planar die construction for reliable performance
• Complies with RoHS standards and utilizes green molding compound

Applications

• General-purpose switching applications requiring integrated biasing
• Driver circuits for low-power loads
• Logic interface circuits

Procurement Notes

Verify the component against the official Diodes Incorporated datasheet DS30341 Rev. 8. Confirm that the ordering suffix matches the specified tape and reel packaging configuration. Ensure compliance with environmental requirements regarding lead-free plating and green molding compound specifications prior to procurement.

Selection Notes

Select this component when a PNP digital transistor with matched internal resistors is required. Verify that the 22 kOhm resistor value aligns with the target input impedance. Check that the SC-59 package dimensions fit the available PCB space and confirm thermal dissipation limits are adequate for the application environment.

Part Context

This part belongs to the DDTA series of pre-biased transistors from Diodes Incorporated. It serves as the PNP counterpart to the DDTC NPN series. The KA designation indicates the SC-59 package type. Other variants in this family differ primarily in resistor values and polarity.

Replacement Considerations

Compatible substitutes include other PNP pre-biased transistors with 22 kOhm internal resistors in an SC-59 package. Verify pinout compatibility and electrical parameters such as VCEO and IC before substitution.