Upgrade your circuits with our premium 100pcs/lot 1N4148 & BAV21 SMD Switching Diodes, available in multiple industry‑standard packages – SOD-123, SOD-323, and SOD-523. Whether you’re designing high‑speed signal paths, protection circuits, or power management solutions, these diodes deliver reliable performance and compact form factors for modern electronics.
Product Highlights
- 100 pieces per lot – ideal for prototyping, small batch production, or inventory stocking.
- Dual‑model offering: 1N4148 (high‑speed switching) and BAV21 (fast recovery, low forward voltage).
- Available in SOD-123, SOD-323, and SOD-523 packages for flexible PCB layout options.
- High reverse voltage tolerance: 100 V for 1N4148, 200 V for BAV21.
- Low forward voltage drop (0.7 V typical) and fast recovery time (<200 ns).
- Robust thermal performance up to 150 °C, ensuring long‑term reliability.
- Precision surface‑mount design – easy to pick and place with automated assembly.
- Certified for RoHS compliance and free from hazardous substances.
Why Choose These SMD Switching Diodes?
These diodes are engineered for high‑frequency applications, making them perfect for:
- Signal rectification and protection in audio & video equipment.
- Power supply circuits requiring rapid switching.
- Digital logic interfaces and communication modules.
- Battery management and over‑voltage protection.
Technical Specifications
1N4148 (SOD-123 / SOD-323 / SOD-523)
- Forward Current: 200 mA
- Reverse Voltage: 100 V
- Forward Voltage Drop: 0.7 V (typical)
- Package Options: SOD-123, SOD-323, SOD-523
BAV21 (SOD-123 / SOD-323 / SOD-523)
- Forward Current: 200 mA
- Reverse Voltage: 200 V
- Forward Voltage Drop: 0.5 V (typical)
- Package Options: SOD-123, SOD-323, SOD-523
Ordering & Packaging
Each lot contains 100 individually packaged diodes, ready for automated pick‑and‑place or manual soldering. The assortment includes 1N4148W, 1N4148WS, 1N4148WT, BAV21W, BAV21WS, and BAV21S variants to suit your specific design needs.
Get the Right Diodes for Your Project
Elevate your product’s performance with these reliable, high‑speed switching diodes. Add the 100‑piece lot to your inventory today and experience the perfect blend of speed, durability, and compactness.
Price: Original price was: $ 2.90.$ 1.83Current price is: $ 1.83.

