RN2308,LXHF

Overview

The RN2308,LXHF is a PNP digital transistor manufactured by Toshiba Semiconductor and Storage, designed for automotive applications under the AEC-Q101 qualification standard. It integrates a single PNP bipolar junction transistor with built-in bias resistors in an SC-70 (SOT-323) surface-mount package. The device features a collector-emitter voltage rating of -50V and a continuous collector current of -100mA. Typical internal resistor values are 47kΩ for the base resistor (R1) and 22kΩ for the emitter resistor (R2), providing a resistance ratio of approximately 2.14. The component supports a maximum operating frequency up to 250MHz and offers a minimum DC current gain (hFE) of 70.

Feature Summary

• Integrated dual-resistor network simplifies circuit design by eliminating external bias components.
• Automotive-grade reliability certified to AEC-Q101 standards for harsh environment operation.
• Compact SC-70 packaging facilitates high-density mounting on printed circuit boards.

Applications

• Automotive logic level shifting and signal switching circuits
• General-purpose switching applications requiring compact form factors
• Driver circuits for low-power loads in vehicle electronic systems

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm pinout compatibility and tolerance specifications. Ensure that the procurement channel provides traceability to Toshiba Semiconductor and Storage to guarantee authenticity. Confirm that the delivered units meet the AEC-Q101 automotive qualification requirements specified in the datasheet before integration into production.

Selection Notes

Select this component when a PNP digital transistor with integrated biasing is required for automotive or general-purpose switching. The 47kΩ base resistor value suits applications driven by standard logic levels. Consider the SC-70 package constraints for thermal management and board space. Verify that the -50V voltage rating aligns with the system's supply rails and transient conditions.

Part Context

This part belongs to the RN23xx series of pre-biased transistors from Toshiba. These devices combine NPN or PNP transistors with internal resistors to reduce component count and assembly time. The LXHF suffix typically indicates lead-free composition and halogen-free materials, adhering to environmental compliance standards while maintaining the electrical characteristics of the base RN2308 model.

Replacement Considerations

Direct substitutes include other automotive-qualified PNP digital transistors in SC-70 packages with similar resistor ratios and voltage ratings. Verify that alternative parts match the -50V VCEO, -100mA IC, and hFE minimums. Check pinout compatibility to ensure direct replacement without PCB redesign.