DRA3123E0L

Overview

The DRA3123E0L is a PNP digital transistor manufactured by Panasonic Electronic Components, featuring a built-in bias resistor within an SSSMini3-F2-B surface-mount package. This single-component configuration integrates the transistor and resistor to simplify circuit design while reducing board space. Key electrical parameters include a collector-emitter maximum voltage (VCEO) of -50 V and a continuous collector current rating of -100 mA. The device incorporates a typical input resistance of 2.2 kOhms with a built-in bias resistor ratio of 4.55. It supports a maximum operating temperature of +150°C and offers a minimum DC current gain (hFE) of 30, ensuring reliable switching performance in compact electronic applications.

Feature Summary

• Integrates a PNP transistor with a built-in bias resistor to reduce component count and PCB footprint.
• Utilizes the compact SSSMini3-F2-B package for efficient surface-mount assembly.
• Provides stable switching characteristics with a high maximum operating temperature rating.

Applications

• General-purpose signal switching circuits
• Interface driving for logic level translation
• Biasing networks in amplifier stages

Procurement Notes

Verify the specific suffix E0L against the manufacturer's latest datasheet to confirm pinout and electrical tolerances. Confirm availability status as distribution channels may list obsolete or end-of-life inventory. Ensure compliance with RoHS directives if required for the target market. Request updated quality certificates from authorized suppliers prior to mass production integration.

Selection Notes

Select this component when a compact PNP switching solution with integrated biasing is required. Compare the 2.2 kOhm input resistance against circuit drive requirements to ensure adequate base current. Verify that the -50 V voltage rating exceeds the maximum load voltage in the application. Consider the thermal limits and hFE variations for consistent performance across operating temperatures.

Part Context

This part belongs to Panasonic's series of resistor-biased digital transistors designed for space-constrained designs. The SSSMini3-F2-B package represents a miniaturized form factor compared to standard SOT-23 packages. These components are engineered to replace discrete transistor-resistor combinations, simplifying assembly processes and improving reliability in consumer and industrial electronics.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Cross-referencing with other manufacturers requires careful verification of pin configurations, voltage ratings, and internal resistor values to ensure functional compatibility.