MMBTRC117SS

Overview

The MMBTRC117SS is a surface-mount digital NPN transistor from Diotec Semiconductor, housed in an SOT-23 (TO-236) package. It integrates bias resistors to reduce component count and board space. Key electrical ratings include a maximum output voltage of 50 V, continuous output current of 100 mA, and power dissipation of 200 mW at 25°C ambient temperature. The junction temperature range spans from -55°C to +150°C. Internally, it features two 2.2 kΩ resistors with a ratio of 1:1. The device has a minimum DC current gain of 20 and a transition frequency of 250 MHz.

Feature Summary

• Integrates dual bias resistors to simplify circuit design and save space
• Compliant with RoHS directives without exemptions
• Meets REACH regulations and conflict mineral standards

Applications

• Digital control circuits
• Switching applications
• Signal processing systems

Procurement Notes

Verify the specific suffix requirements for your application environment. Standard commercial grade parts lack automotive certification. If AEC-Q101 compliance or qualification is required, confirm the presence of the appropriate suffix in the ordering information. Ensure the supplier provides valid documentation confirming the component's origin and specifications before finalizing procurement.

Selection Notes

Select this component when a compact NPN switching solution with built-in biasing is needed. The 2.2 kΩ input resistor combination suits moderate drive currents. Verify that the 50 V collector-emitter voltage rating meets the circuit's peak operating conditions. Consider the 200 mW power dissipation limit and ensure adequate thermal management within the SOT-23 footprint for the intended duty cycle.

Part Context

This part belongs to the MMBTRC series of SMD digital NPN transistors manufactured by Diotec Semiconductor. The series includes variants with different internal resistor ratios, such as the MMBTRC116SS through MMBTRC121SS. These components are designed for general-purpose commercial and industrial electronics where space efficiency and simplified biasing networks are prioritized over high-power handling capabilities.

Replacement Considerations

Direct substitutes within the same family include MMBTRC116SS, MMBTRC118SS, MMBTRC119SS, MMBTRC120SS, and MMBTRC121SS. When replacing, verify that the internal resistor values match the original circuit requirements. Other manufacturers' SOT-23 digital NPN transistors may serve as alternatives if pinout compatibility and electrical parameters align.