S3M SMD Diode—3 A 1000V Fast-Recovery Rectifier⚡

The S3M SMD Diode is a high-performance surface-mount rectifier in a compact DO-214AB (SMC) package. Engineered for efficient power rectification, it offers a fast recovery characteristic with low leakage, making it ideal for power supplies, motor drivers, LED drivers, and other electronics modules used with Arduino, Raspberry Pi, and embedded microcontroller systems.

✨ Highlights

• 🔋 High Voltage: Up to 1000 V reverse capability for robust isolation
• 🔧 High Current: 3 A average rectified current (Io) for power applications
• ⚡ Fast Recovery: ≤ 500 ns recovery time; trr = 85 ns for reduced switching losses
• 🌡️ Wide Temperature Range: Junction operation from -65°C to +175°C
• 📦 SMC (DO-214AB) footprint for automated surface-mount assembly
• 🔒 Low Leakage: Only 10 µA at 1000 V reverse bias
• ⚙️ Standard rectifier technology with stable performance in power conversion

📐 Technical Specifications

• Packaging: Cut Tape (CT)
• Package / Case: DO-214AB, SMC
• Mounting Type: Surface-mount (SMD)
• Recovery Time: ≤ 500 ns (at Io > 200 mA)
• Reverse Recovery Time (trr): 85 ns
• Technology: Standard rectifier
• Capacitance @ Vr, F: 25 pF @ 4 V, 1 MHz
• Average Rectified Current (Io): 3 A
• Operating Temperature — Junction: -65°C to +175°C
• Maximum Reverse DC Voltage (Vr): 1000 V
• Maximum Forward Voltage Drop (Vf) @ If: 1.8 V @ 3 A
• Reverse Leakage Current @ Vr: 10 µA @ 1000 V

🔌 Typical Applications

• AC/DC rectification in power supplies and DC-DC converter stages
• Freewheeling and snubbing in motor control and relay/solenoid circuits
• LED lighting drivers and battery charging modules
• General-purpose rectification in Arduino, Raspberry Pi, and microcontroller-based projects

🧠 Design Tips

• Ensure adequate thermal management and PCB copper area for the 3 A rating.
• Observe correct polarity (cathode band) during assembly.
• Use the DO-214AB (SMC) footprint for reliable reflow soldering in automated builds.
• For high-frequency switching, the fast recovery and low capacitance help reduce EMI and switching losses.

Whether you are integrating into a production design or prototyping with electronics components on development boards, the S3M rectifier diode delivers dependable performance across a wide voltage and temperature range.