Upgrade your circuitry with the high‑performance FR120N LR7843 AOD4184 D4184 Isolated MOSFET Module. Designed as a direct replacement relay, this compact board delivers superior switching speed, low on‑resistance, and robust isolation for demanding power‑electronics projects.
Key Highlights
- Wide voltage range: 30 V – 100 V support for versatile applications.
- High current capability: 9.4 A (FR120N), 161 A (AOD4184), 50 A (D4184) handling for heavy‑load circuits.
- Isolated MOSFET design reduces noise and protects control circuitry.
- Low gate‑charge and fast turn‑on/off for efficient power conversion.
- Compact, PCB‑mountable form factor simplifies board layout.
- Thermal‑optimized layout with built‑in heat‑dissipation pads.
Technical Specifications
- Device Types: FR120N, LR7843, AOD4184, D4184
- Maximum Drain‑Source Voltage (VDS): 100 V
- Continuous Drain Current (ID): 9.4 A (FR120N), 161 A (AOD4184), 50 A (D4184)
- Gate Threshold Voltage: 2 V – 4 V
- On‑Resistance (RDS(on)): 0.025 Ω typical
- Package: Isolated MOSFET module, surface‑mount ready
- Operating Temperature: –40 °C to +150 °C
Why Choose This MOSFET Module?
Whether you’re designing a motor driver, power supply, LED dimmer, or automotive control system, this isolated MOSFET board offers the reliability and efficiency you need. Its built‑in isolation protects low‑voltage control lines from high‑current spikes, extending component life and enhancing safety.
Typical Applications
- Switch‑mode power supplies (SMPS)
- DC‑DC converters and buck/boost regulators
- Motor control and drive circuits
- LED lighting and dimming modules
- Automotive ignition and power‑train systems
- Industrial automation and robotics
Installation & Compatibility
Designed as a drop‑in replacement for standard relay footprints, the module fits seamlessly onto existing PCBs. No additional components are required—simply solder the pins, connect the gate driver, and you’re ready to experience faster, cleaner switching.
Package Includes
- 1 × FR120N LR7843 AOD4184 D4184 Isolated MOSFET Module
- Technical datasheet (PDF)
- Quick‑start guide
Boost your design’s performance today with this reliable, high‑current MOSFET replacement relay. Order now and enjoy fast shipping, secure packaging, and dedicated technical support.
Price: $ 1.11

