Overview
The 1N5821-B is a Schottky barrier rectifier diode produced by Diodes Incorporated. Although this part is now obsolete and no longer manufactured, it was widely used in various electronic applications due to its high efficiency and low power loss characteristics. The diode is part of the 1N5820-1N5822 series, known for their high current capability and low forward voltage drop.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Peak Repetitive Reverse Voltage | VRRM | 30 | V |
| Working Peak Reverse Voltage | VRWM | 30 | V |
| Average Rectified Output Current @ TL = 95°C | IO | 3.0 | A |
| Non-Repetitive Peak Forward Surge Current (8.3ms Single Half Sine-Wave) | IFSM | 80 | A |
| Forward Voltage @ IF = 3.0A | VFM | 0.500 | V |
| Peak Reverse Current @ TA = 25°C at Rated DC Blocking Voltage | IRM | 2.0 | mA |
| Operating and Storage Temperature Range | TJ, TSTG | -65 to +150 | °C |
| Case | DO-201AD | ||
| Case Material | Molded Plastic | ||
| Weight | Approximately 1.1 grams | ||
| Lead Temperature for Soldering Purposes | 260°C Max. for 10 Seconds |
Key Features
- Guard Ring Die Construction for Transient Protection
- Low Power Loss, High Efficiency
- High Surge Capability
- High Current Capability and Low Forward Voltage Drop
- Suitable for use in low-voltage, high-frequency inverters, free-wheeling, and polarity protection applications
- Lead-Free Finish; RoHS Compliant
- Halogen and Antimony Free; 'Green' Device
- Corrosion-resistant external surfaces and readily solderable terminal leads
Applications
The 1N5821-B Schottky diode is ideally suited for various applications, including:
- Low-voltage, high-frequency inverters
- Free-wheeling diodes
- Polarity protection diodes
- General rectification in power supplies and DC-DC converters
Q & A
- What is the peak repetitive reverse voltage of the 1N5821-B diode?
The peak repetitive reverse voltage (VRRM) of the 1N5821-B diode is 30V.
- What is the average rectified output current of the 1N5821-B diode?
The average rectified output current (IO) of the 1N5821-B diode is 3.0A at a lead temperature of 95°C.
- What is the forward voltage drop of the 1N5821-B diode at 3.0A?
The forward voltage drop (VFM) of the 1N5821-B diode at 3.0A is approximately 0.500V.
- Is the 1N5821-B diode RoHS compliant?
- What is the operating temperature range of the 1N5821-B diode?
The operating and storage temperature range of the 1N5821-B diode is -65°C to +150°C.
- What is the case type and material of the 1N5821-B diode?
The 1N5821-B diode comes in a DO-201AD case made of molded plastic.
- Is the 1N5821-B diode still in production?
No, the 1N5821-B diode is obsolete and no longer manufactured.
- What are some potential substitutes for the 1N5821-B diode?
Potential substitutes include the 1N5821-E3/54 from Vishay General Semiconductor - Diodes Division.
- What are the typical applications of the 1N5821-B diode?
The 1N5821-B diode is typically used in low-voltage, high-frequency inverters, free-wheeling diodes, and polarity protection applications.
- Is the 1N5821-B diode suitable for high-surge current applications?
