1N5819 Diode – 1A, 40V, Schottky Barrier Rectifier

Part number : 1N5819

Functions : Schottky Barrier Rectifier, 1.0 A, 40 V

Package information : DO-41 Type

Manufacturer : On Semiconductor, Diodes


1N5819 Diode Schottky Barrier Rectifier


Axial Power Schottky rectifier suited for Switch Mode Power Supplies and high frequency DC to DC converters. Packaged in DO-41 these devices are intended for use in low voltage, high frequency inverters, free wheeling, polarity protection and small battery chargers.

Typical Applications

For use in low voltage high frequency lnverters, freewheeling, DC/DC converters, and polarity protection applicatins.



1. Extremely Low vF

2. Low Stored Charge, Majority Carrier Conduction

3. Low Power Loss/High Efficiency Mechanical Characteristics

Mechanical Characteristics

1. Case: Epoxy, Molded

2. Weight: 0.4 gram (approximately)

3. Finish: All External Surfaces Corrosion Resistant and Terminal Leads are Readily Solderable

4. Shipped in plastic bags, 1000 per bag.

5. Available Tape and Reeled, 5000 per reel, by adding a “RL” suffix to the part number

6. Polarity: Cathode Indicated by Polarity Band

7. Marking: 1N5817 ( Vrrm 20 V ) , 1N5818 ( Vrrm 30V ), 1N5819

8. Lead Temperature for Soldering Purposes: 260°C Max for 10 seconds

9. These are Pb-Free Devices


1N5819 PDF Datasheet