DTA124XEFRATL

Overview

The DTA124XEFRATL is a single PNP digital transistor manufactured by ROHM Semiconductor, housed in an EMT3 (SOT-416) surface-mount package. It integrates bias resistors with typical values of R1 = 22 kΩ and R2 = 47 kΩ to simplify circuit design. The device supports a supply voltage (VCC) of -50 V and a continuous collector current (IC) of -100 mA. Key electrical parameters include a minimum DC current gain (hFE) of 68 at -5 V and -5 mA, a transition frequency (fT) of 250 MHz, and a maximum power dissipation (Pd) of 150 mW. It features a low saturation voltage of -300 mV at specific test conditions and is qualified under AEC-Q101 for automotive applications.

Feature Summary

• Integrates built-in biasing resistors (R1=22kΩ, R2=47kΩ) to enable inverter circuit configuration without external input components.
• Qualified for automotive grade reliability under the AEC-Q101 standard.
• Provides high-speed switching performance with a transition frequency of 250 MHz.

Applications

• Inverter circuits
• Interface driver stages
• General-purpose digital switching

Procurement Notes

Verify the exact ordering suffix against the manufacturer's latest datasheet to ensure correct packaging and tape specifications. Confirm that the component meets the required AEC-Q101 automotive qualification standards if intended for vehicle electronics. Check for any specific marking or flammability requirements associated with the EMT3 package before finalizing procurement.

Selection Notes

Select this component when a PNP pre-biased transistor is required in a compact SOT-416 footprint. Ensure the circuit design accommodates the negative polarity characteristics inherent to PNP devices. Verify that the 22 kΩ base resistor value aligns with the driving source impedance and desired switching speed for the specific application logic levels.

Part Context

This part belongs to the DTA124 series of digital transistors from ROHM Semiconductor. It is functionally related to other variants such as DTC124XEFRATL (NPN version) and DTA124XE3HZGTL. The EMT3 package provides a small form factor suitable for dense PCB layouts compared to larger packages like SOT-346.

Replacement Considerations

DTA124XE3HZGTL shares similar electrical characteristics and pinout within the same family. DTC124XEFRATL is the NPN counterpart with identical packaging but opposite polarity. Verify pin compatibility and voltage ratings before substituting.