Schottky diode 40V 5A DO-201 package, rectifier diode

Schottky diode 40V 5A DO-201 package, rectifier diode is a through-hole rectifier designed for low forward voltage drop and fast switching. It provides up to 40 V maximum reverse voltage and a continuous forward current rating of 5 A in a compact DO-201 package, making it suitable for a range of power applications where efficient rectification and low conduction losses are required. The device is intended for PCB mounting and offers robust electrical performance for both discrete and board-level power designs.

Advantages

The Schottky construction ensures a low forward voltage drop and fast recovery characteristics compared with standard PN rectifiers, resulting in improved efficiency in power conversion. The DO-201 through-hole package provides mechanical stability for PCB-mounted circuits and straightforward replacement or prototyping. Thermal behavior and current handling are appropriate for moderate-power supply tasks, freewheeling diodes in switching converters, and general-purpose power rectification where low conduction loss is beneficial.

Suitable for

• Power supply rectification in linear and switching supplies
• Freewheeling diode in DC–DC converters and motor drivers
• Reverse polarity protection and power OR-ing
• Battery charging and power management circuits
• General-purpose power applications requiring low forward voltage

Key specifications

• Maximum reverse voltage: 40 V
• Continuous forward current: 5 A
• Package type: DO-201 through-hole
• Device type: Schottky rectifier diode
• Characteristic: low forward voltage drop and fast switching
• Mounting: PCB through-hole

How to use

Install the diode on the PCB with correct polarity: the cathode is typically identified by a band marking and must face the return or negative rail in the intended rectifier configuration. Ensure solder joints provide good thermal and electrical contact, and observe manufacturer recommended soldering temperatures and durations to avoid thermal damage. Provide appropriate copper area or a heatsink if the application will dissipate significant power at high forward current to maintain junction temperature within safe limits. Verify orientation and connectivity in the circuit schematic before applying power.

Usage recommendations

For reliable operation, operate the diode within its rated maximum reverse voltage and continuous current. In high-switching-frequency applications, consider layout practices that minimize parasitic inductance and use adequate PCB copper for heat dissipation. If peak surge currents or ambient temperature are high, evaluate thermal derating and consider additional cooling or a higher-rated device.