SI2301 A1SHB P-Channel Power MOSFET SOT-23

The SI2301 A1SHB is a compact P-Channel Power MOSFET housed in a SOT-23 package, ideal for space-constrained power switching applications. With a low R_DS(on), high-speed switching capabilities, and a maximum drain current of -2.8A, it is widely used in battery-operated systems, load switching, and power management circuits.

Key Features of SI2301 A1SHB P-Channel Power MOSFET:

• Low On-Resistance: R_DS(on) as low as 85mΩ at V_GS = -2.5V
• Compact Package: SOT-23 form factor saves PCB space
• High-Speed Switching: Suitable for fast load switching applications
• Logic-Level Gate Drive: Fully enhanced with gate drive of -2.5V
• Low Gate Charge: Improves efficiency in switching applications

Technical Specifications of SI2301 A1SHB P-Channel Power MOSFET:

• Drain-Source Voltage (V_DS): -20V
• Continuous Drain Current (I_D): -2.8A
• Gate-Source Voltage (V_GS): ±8V
• R_DS(on): 85mΩ @ V_GS = -2.5V, I_D = -2.3A
• Total Gate Charge (Q_g): 7.5nC typical
• Power Dissipation: 1.25W
• Package: SOT-23

Mechanical Specifications of SI2301 A1SHB P-Channel Power MOSFET:

• Package Type: SOT-23 (Surface Mount)
• Pin Count: 3
• Lead Finish: Matte Tin
• Polarity: P-Channel

Dimensions:

• Length: 2.9mm
• Width: 1.3mm
• Height: 1.1mm
• Pin Pitch: 0.95mm

Mounting Options:

• Surface Mount Technology (SMT): Ideal for automated PCB assembly

Schematic Diagram, Connection, Wiring and Pinout of SI2301 A1SHB:

• Pin 1 (Gate): Controls the MOSFET switching
• Pin 2 (Source): Connected to the lower potential (e.g., ground)
• Pin 3 (Drain): Load connection for current flow
• Wiring: Ensure gate voltage is properly biased for P-Channel operation

Datasheet of SI2301 A1SHB P-Channel Power MOSFET:

• Download SI2301 Datasheet (PDF)

Applications of SI2301 A1SHB P-Channel Power MOSFET:

• Battery Management: Ideal for switching and protection circuits
• Load Switches: Power control in handheld electronics
• DC-DC Converters: Used in step-down regulator stages
• Consumer Electronics: Power switching in portable devices
• Power Distribution: Used in low-voltage power rails

Equivalent of SI2301 A1SHB P-Channel Power MOSFET:

• IRLML6402: Similar P-Channel MOSFET with low R_DS(on)
• AO3401: Drop-in replacement with similar specs
• BSS84: Alternative for lower current applications

Package Includes:

• 1 x SI2301 A1SHB P-Channel Power MOSFET SOT-23