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The FDJ128N-NL is a semiconductor component manufactured by FSC (Fairchild Semiconductor Corporation). Below are the factual specifications, descriptions, and features of the part:

Specifications:

• Manufacturer: FSC (Fairchild Semiconductor Corporation)
• Part Number: FDJ128N-NL
• Type: N-Channel Power MOSFET
• Package: TO-252 (DPAK)
• Drain-Source Voltage (VDS): 100V
• Continuous Drain Current (ID): 12A
• Power Dissipation (PD): 40W
• Gate-Source Voltage (VGS): ±20V
• On-Resistance (RDS(on)): 0.128Ω (max) @ VGS = 10V
• Threshold Voltage (VGS(th)): 2V to 4V
• Operating Temperature Range: -55°C to +150°C

Descriptions:

• The FDJ128N-NL is a high-performance N-Channel MOSFET designed for power switching applications.
• It features low on-resistance and fast switching capabilities, making it suitable for DC-DC converters, motor control, and power management circuits.
• The TO-252 (DPAK) package provides efficient thermal performance and is commonly used in surface-mount applications.

Features:

• Low RDS(on) for reduced conduction losses.
• Fast switching speed for improved efficiency in high-frequency applications.
• Avalanche energy specified for ruggedness in inductive load conditions.
• Lead-free and RoHS compliant for environmental safety.

This information is based on the manufacturer's datasheet and technical documentation. For detailed performance curves and application notes, refer to the official Fairchild Semiconductor datasheet.