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ssm3j328r-p-channel-mosfet

3 min read

Important Note

This entire repo was AI created - including all of the data within. The intent was to A) help me with my personal electronics inventory; and B) see how I could use AI to make that process a bit easier. DO NOT TRUST!

Toshiba SSM3J328R P-Channel MOSFET

Details

  • Location: Cabinet-6, Bin 1, Container C
  • Category: Discrete Semiconductors
  • Brand: Toshiba Semiconductor
  • Part Number: SSM3J328R
  • Model: SSM3J328R
  • Package: SOT-23-3
  • Quantity: 20+ units
  • Status: Available
  • Price Range: $0.15-0.35 per unit
  • Datasheet: SSM3J328R Datasheet
  • Product URL: DigiKey - SSM3J328R-LF

Description

The Toshiba SSM3J328R is a 20V P-Channel MOSFET designed for power management and general-purpose switching applications. With a maximum drain current of 6A and logic-level gate drive capability (1.5V drive), this device is ideal for load switching, battery protection, and power management circuits. The compact SOT-23-3 surface-mount package makes it suitable for space-constrained designs.

Specifications

Electrical Characteristics

  • Drain-Source Voltage (VDS): 20V (maximum)
  • Drain Current (ID): 6A (at VGS = -10V)
  • Gate-Source Voltage (VGS): ±8V (maximum)
  • Gate Threshold Voltage (VGS(th)): -0.5V to -1.5V (typical)
  • On-State Resistance (RDS(on)): 66mΩ (typical at VGS = -4.5V)
  • Power Dissipation: Depends on application
  • Operating Temperature: -40°C to +85°C
  • Junction Temperature: 150°C (maximum)

Mechanical Characteristics

  • Package: SOT-23-3 (Surface Mount)
  • Pin Count: 3 pins
  • Mounting: Surface Mount
  • RoHS Compliant: Yes

Pin Configuration

Standard SOT-23-3 P-Channel MOSFET:

Pin 1: Gate (G)
Pin 2: Source (S)
Pin 3: Drain (D)

Applications

  • Power management circuits
  • Load switching and control
  • Battery protection circuits
  • LED driver circuits
  • Motor control
  • General-purpose switching
  • Logic-level switching applications
  • Portable device power management

Key Features

  • 20V Rating: Suitable for various supply voltages
  • 6A Drain Current: Adequate for moderate power switching
  • Logic-Level Gate Drive: 1.5V drive capability for direct microcontroller interfacing
  • Low On-Resistance: 66mΩ typical reduces power dissipation
  • Compact Package: SOT-23-3 saves PCB space
  • General-Purpose Design: Versatile for many applications
  • Widely Available: Multiple manufacturers ensure supply

Circuit Integration

Basic Load Switching Circuit

Connect for P-Channel switching:

  • Gate to control signal (logic level, 0V to -5V)
  • Source to positive supply
  • Drain to load
  • Load return to ground

Gate Drive Considerations

  • Gate must be pulled to source voltage (or more negative) to turn OFF
  • Gate pulled toward ground (or less negative) to turn ON
  • Typical gate drive voltage: 0V to -5V for logic-level operation
  • Pull-up resistor recommended on gate for reliable OFF state

Technical Notes

  • P-Channel device: Gate must be negative relative to source to conduct
  • Logic-level gate drive simplifies circuit design
  • Low on-resistance minimizes power dissipation
  • Suitable for both DC and switching applications
  • Thermal management may be required for high-current applications
  • Gate protection diode recommended for inductive loads
  • Surface-mount package requires SMD soldering or breakout board

Tags

mosfet, p-channel, 20v, 6a, sot-23, logic-level, power-management, toshiba, digikey, cabinet-6, bin-1, status-available

Notes

Versatile P-Channel MOSFETs for power management and general-purpose switching applications. The SSM3J328R’s combination of 20V rating, 6A current capability, and logic-level gate drive makes it ideal for microcontroller-based switching circuits and power management applications. Stock of 20+ units provides excellent supply for multiple projects and prototyping work.

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