The RN1409 from Toshiba is a composite transistor featuring an NPN transistor and integrated resistors, designed to simplify circuit design and reduce component count. This device is ideally suited for applications such as inverter circuits, switching circuits, and driving LEDs. Its compact package makes it suitable for space-constrained applications.

Applications

• Inverter Circuits
• Switching Circuits
• Driving LEDs
• Digital Control
• General-Purpose Amplification

Features

• Built-in Resistors: Integrated input and base-emitter resistors reduce external component count.
• Small Package: Compact SOT-346F package for space-saving designs.
• NPN Transistor: Offers versatile performance for various amplification and switching tasks.

Benefits

• Simplified Circuit Design: Reduces the need for external biasing resistors, simplifying PCB layout.
• Space Saving: Small form factor enables high-density circuit designs.
• Cost Effective: Integrated resistors lower overall system cost by reducing component count.

Technical Specifications

• Polarity: NPN
• Collector-Emitter Voltage (VCEO): 50 V
• Collector Current (IC): 100 mA
• Power Dissipation (PD): 200 mW
• Input Resistor (R1): 4.7 kΩ
• Base-Emitter Resistor (R2): 47 kΩ
• Package: SOT-346F