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BSS138

BSS138 Description

The BSS138 from Anbon Semiconductor is an N-channel enhancement mode MOSFET designed for high-efficiency switching and amplification in low-voltage applications. With a drain-to-source voltage (Vdss) of 50V and a continuous drain current (Id) of 220mA, it is optimized for compact, power-sensitive designs. The device operates reliably up to 150°C junction temperature (TJ) and features a low on-resistance (Rds(on)) of 3Ω at 500mA, 10V, ensuring minimal power loss. Its low threshold voltage (Vgs(th)) of 1.6V at 250µA makes it suitable for logic-level driving, while the ±20V gate-to-source voltage (Vgs) tolerance enhances robustness. Packaged in Tape & Reel (TR) and compliant with RoHS3, it is ideal for automated assembly.

BSS138 Features

• Low Input Capacitance (Ciss): 27pF @ 25V for fast switching.
• High Efficiency: 3Ω Rds(on) minimizes conduction losses.
• Wide Drive Voltage Range: 4.5V to 10V for flexible gate control.
• Robust Thermal Performance: 350mW power dissipation (Ta).
• MSL1 (Unlimited): Moisture-resistant for extended shelf life.
• Surface Mount (SMD): Space-saving DFN/SOT-23 package.

BSS138 Applications

• Load Switching: Ideal for portable electronics due to low Rds(on).
• Signal Amplification: Used in audio and sensor interfaces.
• Power Management: Efficient DC-DC converters and battery protection circuits.
• Logic-Level Conversion: Compatible with 3.3V/5V microcontrollers.
• Automotive/Industrial Systems: Reliable under high-temperature conditions.

Conclusion of BSS138

The BSS138 stands out for its low power consumption, compact form factor, and high thermal stability, making it a superior choice for modern electronics. Its balance of performance and cost is particularly advantageous in consumer, industrial, and automotive applications where efficiency and reliability are critical. Anbon Semiconductor’s adherence to RoHS3 and EAR99 compliance further ensures global usability.