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1N5819 B5819W 1N5819W SOD123 (1206) 1A 40V Schottky Diode (Pack of 2)

SKU: WP08I6V5QC
The 1N5819, also known as B5819W or 1N5819W in its surface-mount version, is a high-efficiency Schottky Barrier Rectifier designed for low-voltage and high-frequency applications. With a maximum forward current rating of 1A and a reverse voltage rating of 40V, this diode provides excellent performance with minimal power loss. Packaged in the compact SOD123 (1206) surface-mount package, the 1N5819W is widely...
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Specifications

Specifications:

Diode Type: Schottky Barrier Rectifier
Model Number: 1N5819 / B5819W / 1N5819W
Maximum Repetitive Reverse Voltage (VRRM): 40V
Maximum Average Forward Current (IF): 1A
Peak Forward Surge Current (IFSM): 25A
Forward Voltage Drop (VF): Typically 0.45V to 0.60V
Reverse Leakage Current: Low
Operating Junction Temperature: Up to +125°C

Additional Resources

B5819W 1N5819W SOD123 1A 40V Schottky Diode.PDF

FAQ

1. What is the 1N5819 (B5819W / 1N5819W) Schottky Diode used for?

The 1N5819 Schottky Diode is commonly used in power supply circuits, DC-DC converters, reverse polarity protection, battery charging circuits, and freewheeling applications due to its low forward voltage drop and fast switching performance.

2. What are the key specifications of the 1N5819W diode?

The 1N5819W is rated for a maximum continuous forward current of 1A and a maximum reverse voltage of 40V. It comes in a compact SOD123 (1206) surface-mount package.

3. What are the advantages of using a Schottky diode like the 1N5819?

Schottky diodes offer a lower forward voltage drop, faster switching speed, reduced power loss, and improved efficiency compared to standard silicon rectifier diodes.

4. Why is the SOD123 package popular in electronic designs?

The SOD123 package is small, lightweight, and ideal for high-density PCB layouts. It saves board space while supporting automated surface-mount manufacturing processes.

5. Can the 1N5819 diode be used for reverse polarity protection?

Yes. The 1N5819 is frequently used for reverse polarity protection in low-voltage electronic circuits because its low forward voltage drop minimizes power loss while protecting sensitive components.

View full product details

The 1N5819, also known as B5819W or 1N5819W in its surface-mount version, is a high-efficiency Schottky Barrier Rectifier designed for low-voltage and high-frequency applications. With a maximum forward current rating of 1A and a reverse voltage rating of 40V, this diode provides excellent performance with minimal power loss.

Packaged in the compact SOD123 (1206) surface-mount package, the 1N5819W is widely used in power management circuits, DC-DC converters, battery-powered devices, reverse polarity protection circuits, and switching power supplies.

Features

  • Schottky Barrier Rectifier technology
  • Low forward voltage drop
  • Fast switching performance
  • High efficiency operation
  • Low power dissipation
  • 1A continuous forward current capability
  • 40V reverse voltage rating
  • Compact SOD123 (1206) SMD package
  • Suitable for automated SMT assembly
  • High reliability and long service life