Description
SR840 – Schottky Barrier Rectifier Diode
Product Overview:
The SR840 is an 8A, 40V Schottky Barrier Rectifier Diode, designed for high-efficiency power rectification in switching power supplies, freewheeling diodes, polarity protection, and DC-DC converters. It features a low forward voltage drop and fast recovery time, making it ideal for high-frequency applications.
Key Specifications:
- Type: Schottky Barrier Rectifier
- Maximum Repetitive Reverse Voltage (Vrrm): 40V
- Forward Continuous Current (If): 8A
- Forward Voltage Drop (Vf): 0.55V – 0.70V (at 8A)
- Reverse Leakage Current (Ir): 1mA max at 40V
- Operating Temperature Range: -65°C to +150°C
- Package Type: TO-220AC / DO-201AD
Applications:
✔ Switching Power Supplies – Improves efficiency by reducing power losses.
✔ DC-DC Converters – Used in buck/boost converters and solar charge controllers.
✔ Freewheeling & Protection Circuits – Prevents voltage spikes and reverse polarity damage.
✔ Battery Charging Systems – Enhances rectification efficiency.
Features & Benefits:
✔ High Current Capability (8A) – Suitable for medium to high-power applications.
✔ Low Forward Voltage Drop (0.55V – 0.70V) – Reduces heat dissipation and power losses.
✔ Fast Switching & Recovery Time – Ideal for high-frequency circuits.
✔ High Surge Current Capability – Can handle temporary overload conditions.
Equivalent & Alternative Parts:
- SR860 – Similar part with a higher voltage rating (60V, 8A).
- 1N5822 – A lower current version (3A, 40V) with similar characteristics.
- MBR840 – Another 8A, 40V Schottky rectifier with comparable performance.
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