RN2304,LXHF

Overview

The RN2304,LXHF is a PNP digital transistor manufactured by Toshiba Semiconductor and Storage, designed for automotive applications. It integrates a single PNP bipolar junction transistor with built-in bias resistors in an SMD package. The device features a collector-emitter voltage of -50V and a continuous collector current of -100mA. Key electrical parameters include a typical base resistor (R1) of 47kOhms and an emitter resistor (R2) of 22kOhms, resulting in a resistance ratio of approximately 2.14. It operates up to a maximum frequency of 250MHz and supports a junction temperature of 150°C. The component holds AEC-Q101 qualification.

Feature Summary

• Integrates a PNP transistor with dual bias resistors to simplify circuit design and reduce board space.
• Qualified under AEC-Q101 standards for reliable operation in automotive electronic environments.
• Optimized for high-speed switching applications with a transition frequency reaching 250MHz.

Applications

• Switching circuits in automotive control modules
• Inverter driver circuits
• Interface connection logic
• General-purpose digital buffering

Procurement Notes

Verify the specific suffix configuration against the manufacturer's latest datasheet to ensure compatibility with the intended PCB footprint and electrical requirements. Confirm that the ordering information matches the exact pinout and resistance values specified for the LXHF variant. Cross-reference the part number with authorized distributors to validate authenticity and traceability records before finalizing procurement orders.

Selection Notes

Select this component when a single PNP switch with integrated biasing is required for automotive-grade reliability. Ensure the circuit design accommodates the -50V collector-emitter voltage rating and -100mA current limit. Verify that the 47kOhm base resistance aligns with the driving source impedance and desired switching speed. Consider the SOT-323 package dimensions during layout planning to maintain adequate clearance and thermal performance.

Part Context

This part belongs to Toshiba's RN series of pre-biased transistors, which are specifically engineered for automotive electronics. The series offers various configurations of NPN and PNP transistors with different resistor combinations. The RN2304,LXHF represents a single PNP unit within this family, providing a compact solution for replacing discrete transistor-resistor networks in modern vehicle electronic systems.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Evaluate alternative PNP digital transistors with matching -50V/VCEO, -100mA/IC, and similar R1/R2 ratios only after verifying pin-to-pin compatibility and thermal characteristics.

FAQ

What is the typical resistance ratio for the RN2304,LXHF?

The typical resistance ratio between the base resistor (R1) and emitter resistor (R2) is 2.14, derived from R1=47kOhms and R2=22kOhms.

Is the RN2304,LXHF suitable for automotive use?

Yes, the component is qualified under the AEC-Q101 standard, making it suitable for automotive electronic applications.

What is the maximum operating frequency of this device?

The device supports a maximum operating frequency of up to 250MHz, allowing for high-speed switching applications.