PDTC124EM,315

Overview

The PDTC124EM,315 is an NPN Resistor-Equipped Transistor (RET) from the PDTC124E series, manufactured by Nexperia. It integrates a single NPN transistor with built-in bias resistors R1 and R2, both nominally 22 kΩ, into a compact SOT883 (SC-101) leadless ultra-small plastic package. The device supports a collector-emitter voltage (VCEO) of 50 V and provides an output current capability of 100 mA. Key electrical characteristics include a DC current gain (hFE) of at least 60 at IC = 5 mA, a transition frequency (fT) of 230 MHz, and a total power dissipation of 250 mW at 25 °C ambient temperature. The component is qualified to AEC-Q101 standards for automotive applications.

Feature Summary

• Integrates NPN transistor with dual 22 kΩ bias resistors to reduce component count and simplify circuit design.
• AEC-Q101 qualified for reliability in automotive environments.
• SOT883 leadless ultra-small package minimizes PCB footprint and pick-and-place costs.
• Offers a cost-saving alternative to discrete BC847/857 series transistors in digital switching applications.

Applications

• Digital logic interface and control of IC inputs
• Switching loads in industrial and consumer electronics
• Automotive digital circuits requiring AEC-Q101 compliance

Procurement Notes

Verify the ordering suffix '315' corresponds to the specified packing method: 2 mm pitch, 8 mm tape and reel. Confirm the manufacturer source is Nexperia or an authorized distributor, as the datasheet references former NXP branding. Ensure the part number matches the SOT883 package variant rather than other PDTC124E family members like SOT23 or SOT323.

Selection Notes

Select this component when space constraints require the SOT883 leadless package. Choose based on the required 50 V collector-emitter voltage and 100 mA continuous current limits. Verify that the integrated 22 kΩ input and output resistors match the specific bias requirements of the target digital application, noting the ratio tolerance range of 0.8 to 1.2.

Part Context

The PDTC124EM belongs to the broader PDTC124E series of NPN resistor-equipped transistors. While sharing identical electrical specifications with variants like PDTC124ET (SOT23) and PDTC124EU (SOT323), it is distinct due to its SOT883 (SC-101) leadless package. This packaging offers a smaller body size (1.0 x 0.6 x 0.5 mm) compared to standard surface-mount packages, catering to high-density board designs.

Replacement Considerations

Direct functional replacements within the same series include PDTC124ET (SOT23) and PDTC124EU (SOT323), provided the PCB layout accommodates their respective packages. For pin-compatible alternatives in different packages, verify the internal resistor values and hFE characteristics against the original design requirements.

FAQ

What are the specific values of the built-in bias resistors?

The PDTC124EM features two built-in bias resistors, R1 (input/base) and R2 (output/emitter), both with a nominal value of 22 kΩ.

Is the PDTC124EM suitable for automotive applications?

Yes, the product has been qualified in accordance with the Automotive Electronics Council (AEC) standard Q101, making it suitable for automotive use.

What is the maximum power dissipation for the SOT883 package?

The total power dissipation (Ptot) for the PDTC124EM in the SOT883 package is 250 mW at an ambient temperature of 25 °C.