BSS123LT1G N-Channel MOSFET Low 170mΩ RDS(on) 20V VDS 100V Avalanche Rated Ideal for low power switching load switching and DC-DC conversion with its SOT-23 package and ESD protection

BSS123LT1G N-Channel MOSFET Low 170mΩ RDS(on) 20V VDS 100V Avalanche Rated Ideal for low power switching load switching and DC-DC conversion with its SOT-23 package and ESD protection

Features

•HBM Class 0A, MM Class M1B (Note 4)

•BVSS Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q101 Qualified and PPAP Capable

•These Devices are Pb−Free and are RoHS Compliant

Applications

• Load Switching: Controlling power on/off for sections of a circuit.

• Level Shifting: Converting signals between circuits of different voltage domains (e.g., converting a 3.3V signal to 5V).

• LED Driving: Acting as a switch to control LED on/off states or for simple PWM dimming.

• Logic Interface Buffering/Driving: Enhancing the driving capability of microcontroller GPIO pins to drive larger loads.

• High-Speed Switching: Used in secondary-side synchronous rectification in switch-mode power supplies, DC-DC converters (low power).

• Consumer Electronics: Portable devices like mobile phones, tablets, digital cameras.

• Automotive Electronics: Body control modules, sensor interfaces, etc. (Note: Verify if the specific part is AEC-qualified; the BSS123LT1G is typically industrial/commercial grade).

Description

1:Low Threshold Voltage (Vgs(th)): Typically between 1.6V and 2.1V, meaning it can be driven directly by low voltages (e.g., 3.3V or even 2.5V

GPIO from a microcontroller), making it ideal for logic-level applications.

2:Low On-Resistance (RDS(on)): Maximum of only 6Ω at 10V Vgs and 10Ω at 4.5V Vgs. A lower RDS(on) means less power loss and voltage

drop when switched on, leading to higher efficiency.

3:Small Package (SOT-23): Very small footprint, saving PCB space, ideal for modern compact electronics.

4:High-Speed Switching Performance: Features fast switching speeds, suitable for applications requiring frequent switching, such as PWM

control.

5:Continuous Drain Current (Id): Up to 170mA, suitable for controlling small loads like LEDs, small relays, motors, etc.

6:Drain-Source Voltage (Vdss): Maximum of 100V, allowing its use in circuits with relatively higher voltages.

INFORMATION

Drawing

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