MMDTC124EE-AQ

Overview

The Diotec Semiconductor MMDTC124EE-AQ is an SMD digital NPN transistor housed in a SOT-523 package. It integrates bias resistors with values of R1 = 22 kΩ and R2 = 22 kΩ, featuring a resistance ratio between 0.8 and 1.2. The device supports a maximum output voltage (VO) of 50 V and a collector current (IO) of 30 mA. Power dissipation is rated at 150 mW, with a junction temperature range from -55°C to +150°C. The component meets AEC-Q101 qualification standards for automotive applications.

Feature Summary

• Integrated bias resistors simplify circuit design by eliminating the need for external input resistors.
• AEC-Q101 qualified construction ensures high reliability suitable for automotive environments.
• Compliant with RoHS, REACH, and Conflict Minerals regulations.

Applications

• Digital control systems
• Switching circuits
• Signal processing

Procurement Notes

Verify the specific suffix '-AQ' confirms AEC-Q101 qualification status directly on the manufacturer's datasheet or official product page. Confirm that the ordering code matches the exact resistor configuration required for the target application before finalizing procurement orders.

Selection Notes

Select this component when a compact SOT-523 footprint is required for NPN switching logic. Ensure the 30 mA output current capability aligns with load requirements. Verify that the integrated 22 kΩ resistor values match the driving interface specifications for the intended digital control application.

Part Context

This part belongs to the MMDTC120EE through MMDTC125EE series of SMD digital NPN transistors. The series differentiates models primarily by their internal resistor configurations. The MMDTC124EE variant specifically utilizes dual 22 kΩ resistors, while the '-AQ' suffix denotes compliance with automotive quality standards.

Replacement Considerations

Check for other MMDTC124EE variants with identical pinouts and resistor values. Verify if alternative manufacturers offer equivalent SOT-523 digital transistors with matching 22 kΩ bias networks and AEC-Q101 certification.

FAQ

What are the specific values of the integrated bias resistors?

The MMDTC124EE-AQ features two integrated resistors: R1 (input resistor) is 22 kΩ and R2 (emitter-base resistor) is 22 kΩ.

Does the -AQ suffix indicate a functional difference compared to the standard version?

No, the -AQ suffix indicates that the component is AEC-Q101 qualified for automotive use. The electrical characteristics and pinout remain consistent with the standard commercial grade version.

What is the maximum power dissipation rating?

The maximum power dissipation (Ptot) is 150 mW, measured at an ambient temperature of 25°C when mounted on a PCB with 3 mm² copper pad per terminal.