The RN1404(TE85L) is a resistor-equipped transistor (RET) manufactured by Toshiba Semiconductor and Storage. It integrates a transistor and resistors into a single small package, reducing component count and board space. This device is designed to simplify circuit design and assembly, making it suitable for various applications where space and component count are critical.

Applications:

• Digital circuits
• Inverter circuits
• Driver circuits
• Switching circuits
• Interface circuits

Features:

• Built-in Resistors: Integrates a transistor with base-emitter and base resistors, reducing external component requirements.
• Small Package: Available in a compact surface-mount package, saving valuable board space.
• Simplified Circuit Design: Simplifies circuit design and reduces assembly time.
• Reduces Component Count: Lowers overall component count, improving reliability and reducing costs.
• NPN Transistor: Utilizes an NPN transistor for switching and amplification functions.

Benefits:

• Space Savings: The integrated design saves significant board space compared to using discrete components.
• Cost Reduction: Reduces the number of components required, lowering overall material costs.
• Improved Reliability: Fewer solder joints and components enhance circuit reliability.
• Simplified Assembly: Simplifies the assembly process, reducing manufacturing time and costs.
• Enhanced Performance: Optimized resistor values ensure stable and predictable circuit performance.

Additional Details:

The RN1404(TE85L) typically includes an NPN transistor with integrated resistors. The resistor values are chosen to optimize the transistor's switching characteristics for specific applications. The surface-mount package allows for automated assembly and high-density board layouts. The "TE85L" suffix indicates a specific tape and reel packaging for automated assembly. Refer to the datasheet for detailed electrical characteristics, such as current gain, saturation voltage, and resistor values. The device is commonly used in digital circuits as a level shifter or inverter. Careful attention should be paid to the power dissipation and voltage ratings to ensure reliable operation. The device is RoHS compliant, meaning it adheres to environmental regulations regarding hazardous substances.