MOSFET Mini High-Power Trigger Switch Module (Solid-State Electronic Switching Board)
Scale down your project footprint while keeping your switching power uncompromised with the industrial-grade MOSFET Mini High-Power Trigger Switch Module. Engineered as an ultra-compact, solid-state alternative to bulky mechanical relays, this high-performance switching board handles heavy direct-current loads with zero mechanical friction, zero contact wear, and completely silent operation.
Operating entirely electronically, this module eliminates the mechanical bounce, contact sparking, and inductive feedback loops that plague traditional electromagnetic relays. It is highly optimized to respond to rapid digital Pulse Width Modulation signals, allowing you to execute precision duty-cycle tasks such as dimming high-power lighting banks or controlling DC motor velocities with absolute fluidity. It serves as the definitive choice for compact drone electronics, portable automation setups, micro-robotics power matrices, and smart home lighting installations.
Key Features
Ultra-Compact Mini Footprint: Packs immense direct-current power switching capability into a micro-sized circuit footprint, making it the perfect choice for space-constrained enclosures and miniature product designs.
Solid-State Relay Alternative: Eliminates audible switching clicking noise, mechanical bounce, and contact degradation, granting the module an almost infinite operational lifetime.
High-Current Handling Grid: Engineered around a high-efficiency metal-oxide-semiconductor field-effect transistor setup that supports an operating voltage range from 5V up to 36V DC.
Reliable Power Management: Smoothly sustains a continuous running current of 15 Amps under ambient conditions, and handles up to a peak maximum of 30 Amps when integrated with auxiliary cooling configurations or active airflow.
Direct Microcontroller Trigger Support: Fully compatible with low-voltage digital logic inputs from 3.3V to 20V DC, allowing you to plug the control path straight into development platforms like Arduino, ESP32, STM32, and Raspberry Pi.
High-Frequency PWM Control Loop: Responds instantly to rapid digital Pulse Width Modulation lines ranging from 0 Hertz up to 20 Kilohertz for smooth, flicker-free motor velocity and brightness profiling.
Technical Specifications
Feature | Specification |
Switching Element | High-Power Metal-Oxide-Semiconductor Field-Effect Transistor |
Output Working Voltage | 5V to 36V DC |
Trigger Logic Input Voltage | 3.3V to 20V DC (Supports standard microcontroller levels) |
Continuous Operating Current | 15 Amps (At standard room temperatures) |
Maximum Peak Current | 30 Amps (Requires active airflow or auxiliary heatsink blocks) |
Maximum Load Power Capacity | 400 Watts (Continuous tracking) |
PWM Frequency Support Range | 0 Hertz to 20 Kilohertz |
Board Dimensions | 34 mm x 17 mm x 12 mm |
Hardware Wiring & Connection Mapping
The module features a highly organized breakout layout to make system integrations straightforward and error-free across microcontrollers, battery arrays, and heavy-duty direct-current hardware:
1. Control Trigger Input Side (Pins)
TRIG (Trigger Input): Connects to the digital I/O or PWM output pin of your microcontroller to toggle the solid-state switch.
GND (Signal Ground): Connects to the common ground reference of your microcontroller logic rail.
2. High-Power Load Side (Terminal Blocks)
VIN+: Main positive power input from your external high-power DC battery or bench power supply (5V to 36V).
VIN- / GND: Negative return path of your external high-power supply.
MOTOR+ / LOAD+: Connects to the positive power lead of your direct-current motor, solenoid valve, or LED strip.
MOTOR- / LOAD-: Connects to the negative return lead of your target load device.
Common Applications
Precision DC Motor Speed Governors: Adjust the velocity of heavy cooling fans, miniature conveyor setups, and autonomous robotic drive wheels via PWM duty cycles.
High-Power LED Dimming: Manage industrial lighting configurations, localized laboratory grow lights, or decorative signage panels smoothly without flickering.
Solenoid & Actuator Automation: Cycle pneumatic valves, electronic door locks, and automated irrigation solenoids instantly inside smart agriculture panels.
Compact Solid-State Upgrades: Swap out large, high-failure mechanical relays in automated distribution systems to guarantee continuous operation without downtime.
🛠️ Pro-Engineering Operating Tip: When driving continuous direct-current loads exceeding 15 Amps or 200 Watts, always ensure the module is placed in an area with active airflow or add a small aluminum cooling block directly onto the exposed metal pads of the switching package. This safely dissipates concentrated thermal spikes and guarantees long-term operational stability.
Package Includes:
1 x MOSFET Mini High-Power Trigger Switch Module