SR840 – Schottky Barrier Rectifier Diode

6.00

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.

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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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