Overview
The 1N5821RL is a Schottky Barrier Rectifier diode produced by onsemi. This component is part of the 1N5820 series and is known for its low forward voltage drop and high efficiency. The 1N5821RL is ideally suited for applications requiring low-voltage, high-frequency rectification, such as in inverters, free-wheeling diodes, and polarity protection circuits. It features state-of-the-art geometry with chrome barrier metal, epitaxial construction, and oxide passivation, making it a reliable choice for various electronic systems.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Maximum Repetitive Peak Reverse Voltage | VRRM | 30 | V |
| Maximum RMS Voltage | VRMS | 21 | V |
| Maximum DC Blocking Voltage | VDC | 30 | V |
| Non-Repetitive Peak Reverse Voltage | VRSM | 36 | V |
| Maximum Average Forward Rectified Current | IF(AV) | 3.0 | A |
| Peak Forward Surge Current | IFSM | 80 | A |
| Maximum Instantaneous Forward Voltage (iF = 3.0 A) | VF | 0.500 | V |
| Maximum Instantaneous Forward Voltage (iF = 9.4 A) | VF | 0.900 | V |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +125 | °C |
| Thermal Resistance, Junction-to-Ambient | RθJA | 28 | °C/W |
| Package Type | DO-201AD (Axial Lead) |
Key Features
- Extremely low forward voltage drop (VF) for high efficiency.
- Low power loss due to the Schottky Barrier principle.
- Low stored charge and majority carrier conduction for fast switching times.
- High surge current capability.
- Wide operating temperature range from -65°C to +125°C.
- Pb-free package options available.
- Ideal for use in low-voltage, high-frequency inverters, free-wheeling diodes, and polarity protection diodes.
Applications
- Low-voltage, high-frequency inverters.
- Free-wheeling diodes in power supplies and motor control circuits.
- Polarity protection diodes to prevent reverse voltage damage.
- Rectification in switching power supplies and DC-DC converters.
- Automotive and industrial power systems requiring high reliability and efficiency.
Q & A
- What is the maximum repetitive peak reverse voltage of the 1N5821RL?
The maximum repetitive peak reverse voltage (VRRM) of the 1N5821RL is 30 V.
- What is the maximum average forward rectified current of the 1N5821RL?
The maximum average forward rectified current (IF(AV)) of the 1N5821RL is 3.0 A.
- What is the maximum instantaneous forward voltage of the 1N5821RL at 3.0 A?
The maximum instantaneous forward voltage (VF) at 3.0 A is 0.500 V.
- What is the operating temperature range of the 1N5821RL?
The operating temperature range is from -65°C to +125°C.
- What type of package does the 1N5821RL come in?
The 1N5821RL comes in a DO-201AD (Axial Lead) package.
- Is the 1N5821RL Pb-free?
Yes, Pb-free package options are available for the 1N5821RL.
- What are some common applications of the 1N5821RL?
Common applications include low-voltage, high-frequency inverters, free-wheeling diodes, polarity protection diodes, and rectification in switching power supplies.
- What is the thermal resistance, junction-to-ambient, of the 1N5821RL?
The thermal resistance, junction-to-ambient (RθJA), is 28 °C/W.
- What is the peak forward surge current capability of the 1N5821RL?
The peak forward surge current (IFSM) is 80 A.
- How does the 1N5821RL handle surge currents?
The 1N5821RL is capable of handling high surge currents, making it suitable for applications where transient currents may occur.
