This Schottky barrier rectifier is rated for 1.0 A average forward current and belongs to the 1N5817 through 1N5819 family with 20 V to 40 V reverse-voltage options. The 1N5818 variant is the 30 V member of the series and uses a JEDEC DO-41 molded plastic package with color-band cathode marking and any-mount orientation. It is intended for low-voltage, high-frequency inverter and polarity-protection applications. The datasheet highlights low forward voltage drop, high surge capability, RoHS compliance, UL 94V-0 plastic, a typical junction capacitance of 110 pF, and a -55 °C to +150 °C junction and storage temperature range.
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| Element Configuration | Single |
| Forward Current | 1A |
| Max Forward Surge Current (Ifsm) | 40A |
| Max Operating Temperature | 150°C |
| Min Operating Temperature | -55°C |
| Max Repetitive Reverse Voltage (Vrrm) | 30V |
| Mount | Reverse |
| RoHS Compliant | Yes |
| RoHS | Compliant |
