ADTC144ECAQ-7

Single, Pre-Biased Bipolar Transistors Overview

The ADTC144ECAQ-7 is an NPN pre-biased transistor manufactured by Diodes Incorporated, housed in a SOT23 package. It features built-in biasing resistors where R1 and R2 are nominally 47 kOhms. The device supports a maximum supply voltage of 50 V and a continuous collector current of 100 mA. Electrical characteristics include a DC current gain (Gl) minimum of 80 at 5V output and 5mA output current, with a typical transition frequency (fT) of 250 MHz. Power dissipation reaches 310 mW at +25°C ambient temperature on a minimum copper FR-4 board. Operating and storage temperatures range from -55°C to +150°C.

Single, Pre-Biased Bipolar Transistors Feature Summary

• Epitaxial planar die construction for reliable performance
• Built-in biasing resistors simplify circuit design by eliminating external components
• AEC-Q101 qualified and PPAP capable for automotive applications
• Manufactured in IATF 16949 certified facilities

Single, Pre-Biased Bipolar Transistors Applications

• Automotive interface circuits requiring specific change control
• Driver applications utilizing the pre-biased configuration
• Inverter circuits configured via internal resistor network

Single, Pre-Biased Bipolar Transistors Procurement Notes

Verify the complete part number including the ordering suffix against official Diodes Incorporated documentation before procurement. Confirm that the specified packaging quantity matches project requirements. Ensure compliance with RoHS 3 and REACH directives as stated in the datasheet. Validate that the supplier source is authorized to prevent counterfeit components.

Single, Pre-Biased Bipolar Transistors Selection Notes

Select this component when an NPN digital transistor with equal base and emitter biasing resistors is required. The 47 kOhm resistor values suit standard logic interface applications. Verify thermal management capabilities based on the junction-to-ambient resistance provided in the datasheet. Consider the SOT23 footprint constraints during PCB layout planning.

Single, Pre-Biased Bipolar Transistors Part Context

This part belongs to the ADTC144 series of NPN pre-biased transistors from Diodes Incorporated. The 'E' in the part number typically denotes the SOT23 package variant within this family. The 'AQ' suffix indicates AEC-Q101 qualification and automotive grade status. Other variants may differ in package type or resistor values.

Single, Pre-Biased Bipolar Transistors Replacement Considerations

Direct replacements must match the NPN polarity, 50V rating, 100mA current capacity, and 47kOhm/47kOhm resistor configuration. Verify package compatibility if substituting with other manufacturers' equivalents. Ensure the alternative part meets AEC-Q101 requirements if used in automotive contexts.

Single, Pre-Biased Bipolar Transistors FAQ

What is the nominal value of the built-in biasing resistors?

Both the base resistor (R1) and the emitter resistor (R2) have a nominal value of 47 kOhms.

Is this component suitable for automotive applications?

Yes, the ADTC144ECAQ is AEC-Q101 qualified, PPAP capable, and manufactured in IATF 16949 certified facilities.

What is the maximum power dissipation at +25°C?

The maximum power dissipation is 310 mW when mounted on a minimum copper FR-4 printed circuit board at +25°C ambient temperature.