MMBTRC104SS

Overview

The MMBTRC104SS is a surface-mount digital NPN transistor manufactured by Diotec Semiconductor, housed in an SOT-23 (TO-236) package. It integrates bias resistors to simplify circuit design and reduce component count. Key electrical parameters include a maximum collector-emitter voltage of 50 V, a continuous collector current of 100 mA, and a power dissipation rating of 200 mW at 25°C ambient temperature. The device features typical base and emitter resistors of 47 kOhms each, with a minimum DC current gain of 80 at 10 mA and 5 V. It operates within a junction temperature range of -55°C to +150°C and has a transition frequency of 200 MHz.

Feature Summary

• Integrates dual bias resistors to minimize board space and assembly costs
• Compliant with RoHS directives without exemptions and REACH regulations
• Designed for commercial and industrial grade applications

Applications

• Digital control circuits
• Signal processing switching
• General-purpose logic interface

Procurement Notes

Verify the specific suffix configuration when ordering, as standard versions differ from AEC-Q101 compliant or qualified variants. Confirm packaging options such as tape and reel quantities against project requirements. Ensure compatibility with standard surface mount assembly processes and soldering temperatures up to 260°C for ten seconds.

Selection Notes

Select this component for designs requiring a compact NPN switch with built-in biasing. The 47 kOhm resistor values suit moderate drive currents. Consider thermal derating if operating above 25°C ambient. Verify that the 50 V voltage rating meets the circuit's peak load conditions. Check if automotive qualification is required for the target application environment.

Part Context

This part belongs to the MMBTRC10x series of surface-mount digital transistors. The series offers various resistor combinations to accommodate different input drive levels. The MMBTRC104SS specifically provides symmetric 47 kOhm biasing for balanced switching characteristics in standard logic interfaces.

Replacement Considerations

Cross-reference with other SOT-23 NPN digital transistors featuring similar 47 kOhm bias resistors. Verify pinout compatibility and electrical ratings before substitution. Ensure the alternative component meets the same thermal and voltage specifications.