1N5817

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1N5817

DIODE SCHOTTKY 20V 1A DO41

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Spezifikationen

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Obsolete
DiodeType Schottky
Voltage-DCReverse(Vr)(Max) 20 V
Current-AverageRectified(Io) 1A
Voltage-Forward(Vf)(Max)@If 450 mV @ 1 A
Speed Fast Recovery =< 500ns, > 200mA (Io)
Current-ReverseLeakage@Vr 500 µA @ 20 V
Capacitance@VrF 110pF @ 4V, 1MHz
MountingType Through Hole
Package/Case DO-204AL, DO-41, Axial
SupplierDevicePackage DO-41

Übersicht

Description

The 1N5817 is a Schottky diode, known for its low forward voltage drop and fast switching speed. It is commonly used in power supply applications, rectification, and as a protection diode due to its efficient performance. The diode has a maximum reverse voltage (VR) of 20 volts and a forward current (IF) rating of up to 1 ampere.
Schottky diodes like the 1N5817 have a metal-semiconductor junction, which allows them to conduct current with minimal voltage loss, typically around 0.3 to 0.45 volts compared to about 0.7 volts for standard silicon diodes. This characteristic makes them suitable for low-voltage applications, enhancing efficiency in power conversion circuits.
The 1N5817 is often utilized in battery chargers, solar inverters, and as a flyback diode in inductive loads, where minimizing energy loss is crucial. Its compact size and reliability make it a popular choice among engineers and hobbyists alike.

Features

The 1N5817 is a Schottky barrier rectifier diode known for its low forward voltage drop and fast switching capabilities. Key features include:
1. Reverse Voltage Rating: 20V, making it suitable for low-voltage applications.
2. Forward Current: Capable of handling up to 1A of continuous forward current.
3. Forward Voltage Drop: Typically around 0.45V at 1A, providing higher efficiency compared to standard diodes.
4. Fast Recovery Time: Ideal for high-speed switching applications due to its rapid response time.
5. Temperature Range: Operating temperature can range from -55°C to +125°C, ensuring reliability in various environments.
6. Package Types: Available in DO-41 and other surface-mount configurations, facilitating integration into different circuit designs.
7. Low Leakage Current: Minimal reverse leakage current at rated voltage, enhancing performance in battery-powered circuits.
These features make the 1N5817 a popular choice in power supply circuits, solar applications, and rectification tasks.

Package

The 1N5817 is commonly packaged in DO-41, a cylindrical glass package. It features two leads for through-hole mounting, typically with a diameter of about 5.2 mm and a length of 11.2 mm.

Pinout

The 1N5817 is a Schottky diode with a total of two pins.
Pin Count and Function:
1. Anode (A): This is the positive terminal of the diode where the current enters. It is typically marked with a stripe on the package indicating the cathode.
2. Cathode (K): This is the negative terminal of the diode where the current exits. In a circuit, the cathode is connected to the more negative side of the power supply.
Key Specifications:
- Maximum Reverse Voltage (VR): 20 volts
- Forward Current (IF): 1 ampere
- Forward Voltage Drop (VF): Approximately 0.45 to 0.6 volts at 1A.
The 1N5817 is widely used for applications requiring efficient rectification with low forward voltage drop, such as power supply circuits and inverters.

Manufacturer

The 1N5817 is a Schottky diode manufactured by several companies, with one of the prominent manufacturers being ON Semiconductor. ON Semiconductor is a global supplier of semiconductor-based solutions, focusing on energy-efficient electronics. The company produces a wide range of products including discrete devices, sensors, and integrated circuits, catering to various industries such as automotive, industrial, and consumer electronics. Other manufacturers of the 1N5817 include Vishay, Diodes Incorporated, and Nexperia, all of which are also established companies in the semiconductor industry, specializing in various electronic components.

Application

The 1N5817 is a Schottky diode primarily used in applications such as power supply circuits, reverse polarity protection, and rectification in DC-DC converters. Its low forward voltage drop makes it suitable for energy-efficient designs, including solar panel connections and battery charging systems. Additionally, it's utilized in signal detection and RF applications due to its fast switching speed.

Equivalent

Equivalent products for the 1N5817 Schottky diode include the 1N5818 and 1N5819, which have higher voltage ratings (30V and 40V, respectively). Other alternatives include the BAT54, B140, and SS14 diodes, depending on specific application requirements like current rating and reverse voltage. Always check the datasheets for specifications to ensure compatibility.

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