PDTA115TT,215

Overview

The PDTA115TT,215 is a PNP resistor-equipped transistor from the Nexperia PDTA115T series, housed in an SOT23 (TO-236AB) surface-mount package. It features a built-in input bias resistor (R1) with R2 left open. Key electrical parameters include a collector-emitter voltage (VCEO) of -50 V and a maximum DC output current (IO) of -100 mA. The typical input resistance (R1) is 100 kΩ, ranging from 70 kΩ to 130 kΩ. The device supports a total power dissipation (Ptot) of 250 mW at 25 °C ambient temperature and operates within a junction temperature range up to 150 °C.

Feature Summary

• Built-in bias resistors simplify circuit design by reducing component count and pick-and-place costs.

Applications

• General purpose switching and amplification
• Circuit drivers
• Inverter and interface circuits

Procurement Notes

Verify the specific ordering suffix against official Nexperia documentation to confirm the exact packaging configuration and manufacturing origin. Ensure that the procurement channel provides valid traceability for the SOT23 package variant. Cross-reference the part number with the latest datasheet revision to confirm compliance with current product status definitions before finalizing orders.

Selection Notes

Select this component when a compact PNP switching solution with integrated base biasing is required. The SOT23 package offers a small footprint suitable for space-constrained designs. Verify that the 100 kΩ internal resistor value aligns with the target drive current requirements and that the -50 V voltage rating meets the application's maximum operating conditions.

Part Context

This component belongs to the PDTA115T series of PNP resistor-equipped transistors. The series includes variants in different packages such as SOT416, SOT346, SOT883, SOT54, and SOT323. All variants share the same electrical characteristics but differ in physical dimensions and pin configurations. The NXP Standard Product business transitioned to Nexperia in 2017, updating branding while maintaining technical specifications.

Replacement Considerations

Direct substitutes within the same series include PDTA115TK (SOT346), PDTA115TM (SOT883), and PDTA115TU (SOT323). These alternatives offer identical electrical performance but require verification of package compatibility and pinout alignment during PCB layout replacement.

FAQ

What is the configuration of the internal resistors in the PDTA115TT?

The PDTA115TT contains a single built-in bias resistor (R1) connected to the base. The second resistor (R2) is left open and not implemented within the device.

What is the maximum power dissipation for the SOT23 package version?

For the SOT23 package, the maximum total power dissipation (Ptot) is specified as 250 mW at an ambient temperature of 25 °C.

How does the pin configuration differ between SOT23 and SOT54 packages?

In the SOT23 package, Pin 1 is Base, Pin 2 is Emitter, and Pin 3 is Collector. In contrast, the SOT54 package assigns Pin 1 to Base, Pin 2 to Collector, and Pin 3 to Emitter.