SI2301 A1SHB P-Channel MOSFET is a compact and efficient low-voltage switching solution widely used in portable electronics, battery circuits, and DC-DC converters. Available at BDTronics Bangladesh, this SOT-23 MOSFET offers low on-resistance, fast switching, and reliable performance for space-constrained PCB designs. Ideal for engineers, hobbyists, and repair technicians working on power management and control circuits.

Features:

• P-channel MOSFET optimized for low-voltage load switching

• Low RDS(on) ensures minimal power loss and higher efficiency

• Supports continuous drain current up to -2.3A

• Fast switching performance suitable for high-frequency circuits

• Compact SOT-23 package saves PCB space

• Low gate threshold voltage for easy logic-level control

• Stable operation in DC-DC converters and battery-powered devices

• High reliability with consistent electrical performance

• Ideal for portable electronics and embedded designs

Usage Instructions:

• Connect Source to supply voltage (V+) in P-channel configuration

• Connect Drain to load, and load to ground

• Apply negative voltage at Gate to turn ON the MOSFET

• Use proper gate resistor for stable switching in high-frequency circuits

• Suitable for load switching, battery protection, and power path control

• Ensure proper PCB layout for heat dissipation and stable operation

• Avoid exceeding voltage and current ratings to prevent damage

Applications:

• Load switch circuits for power distribution

• DC-DC converter designs

• Battery management systems (BMS)

• Portable electronics and gadgets

• LED driver circuits

• Small motor control circuits

• Embedded systems and IoT devices

Specifications:

• Model: SI2301 / A1SHB

• MOSFET Type: P-Channel

• Drain-Source Voltage (VDS): -20V

• Continuous Drain Current (ID): -2.3A

• On-Resistance (RDS(on)): ≤ 85mΩ

• Gate Threshold Voltage (VGS(th)): -0.4V to -1.2V

• Power Dissipation: 1.25W

• Package Type: SOT-23

• Device Marking: A1SHB

• Operating Temperature: Standard industrial range

• Mounting Type: Surface Mount (SMD)

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