Fairchild (onsemi)

MMBFJ112

MMBFJ112 Description

The MMBFJ112 from Fairchild (onsemi) is a N-Channel JFET transistor designed for switching applications, packaged in a compact SMD/SMT format. With a continuous drain current (Id) of 5 mA and a maximum drain-gate voltage (Vdg) of 35 V, it offers reliable performance in low-power circuits. Its low drain-source resistance (Rds On) of 50 Ohms ensures efficient signal switching, while its silicon (Si) construction provides stable operation across a wide temperature range up to +150°C. Compliant with RoHS and classified under ECCN EAR99, it meets global environmental and regulatory standards.

MMBFJ112 Features

• Low Power Dissipation (Pd): 350 mW ensures energy efficiency.
• Compact & Lightweight: 0.000282 oz unit weight ideal for space-constrained designs.
• High Voltage Tolerance: 35 V Vdg for robust performance in signal switching.
• Low Rds On: 50 Ohms minimizes signal loss in switching applications.
• Wide Operating Temperature: -55°C to +150°C for industrial and automotive use.
• RoHS Compliant: Environmentally friendly manufacturing.

MMBFJ112 Applications

• Signal Switching: Ideal for audio and RF switching due to low noise and fast response.
• Sensor Interfaces: Used in high-impedance sensor circuits for precise signal conditioning.
• Low-Power Analog Circuits: Suitable for amplifiers and oscillators requiring stable JFET performance.
• Portable Electronics: Compact SMD package fits wearables and IoT devices.
• Automotive Systems: Reliable operation under harsh temperature conditions.

Conclusion of MMBFJ112

The MMBFJ112 stands out as a high-performance N-Channel JFET for low-power switching and amplification. Its low Rds On, high voltage tolerance, and compact SMD package make it superior to generic JFETs in precision applications. Whether in consumer electronics, industrial controls, or automotive systems, it delivers reliability, efficiency, and compliance with global standards. Engineers seeking a cost-effective, high-quality JFET for signal processing will find this component an excellent choice.