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Product Detailed Parameters
- Description：DIODE SCHOTTKY 30V 3A DO201AD
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：30 V
- Current - Average Rectified (Io)：3A
- Voltage - Forward (Vf) (Max) @ If：500 mV @ 3 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：2 mA @ 30 V
- Capacitance @ Vr, F：-
- Mounting Type：Through Hole
- Package / Case：DO-201AD, Axial
- Supplier Device Package：DO-201AD
- Operating Temperature - Junction：150°C (Max)
- Grade：-
- Qualification：-
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Overview
The STMicroelectronics 1N5821RL is a low drop power Schottky rectifier housed in the DO-201AD axial package. It features a repetitive peak reverse voltage of 30 V and an average forward current rating of 3 A at a case temperature of 100°C. The device supports a non-repetitive surge forward current of 80 A and operates with a maximum junction temperature of 150°C. Electrical characteristics include a maximum forward voltage drop of 0.5 V at 3 A and a reverse leakage current of 2 mA at 25°C. Thermal resistance from junction to ambient is 80°C/W.
Feature Summary
- Extremely fast switching capability with negligible switching losses
- Low forward voltage drop for very small conduction losses
- Specified avalanche capability for robust operation
Applications
- Switch Mode Power Supplies
- High frequency DC to DC converters
- Low voltage high frequency inverters
- Free wheeling circuits
- Polarity protection
- Small battery chargers
Procurement Notes
Verify that the ordering suffix RL corresponds to the tape and reel delivery mode containing 1900 units per base quantity, distinct from the standard ammpack configuration. Confirm the component meets UL94 V-0 flame retardant standards for the epoxy material used in the DO-201AD plastic package. Ensure compatibility with the specified lead length requirements for mounting positions.
Selection Notes
Select this component when a 30 V blocking voltage and 3 A continuous current are required in an axial package. Consider the thermal resistance values for heat dissipation calculations in enclosed environments. Evaluate the avalanche power specifications if transient energy absorption is necessary within the circuit design constraints.
Part Context
This part belongs to the 1N582x series of low drop power Schottky rectifiers manufactured by STMicroelectronics. The series includes variants with different voltage ratings, such as the 1N5820 and 1N5822, sharing similar physical packaging and core switching characteristics while differing in reverse voltage capabilities.
Replacement Considerations
Compatible substitutes within the same family include the 1N5820 and 1N5822, provided their respective voltage ratings align with the circuit requirements. Verify that alternative components maintain the DO-201AD package dimensions and thermal performance metrics.
FAQ
What is the maximum operating junction temperature for the 1N5821RL?
The maximum operating junction temperature is 150°C.
Does the 1N5821RL support avalanche operation?
Yes, the datasheet specifies avalanche capability for this device.
What is the thermal resistance from junction to ambient?
The thermal resistance from junction to ambient is 80°C/W with a lead length of 10 mm.
