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Product Detailed Parameters
- Description：DIODE SCHOTTKY 20V 3A B SQMELF
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：20 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：100 µA @ 20 V
- Capacitance @ Vr, F：-
- Mounting Type：Surface Mount
- Package / Case：SQ-MELF, B
- Supplier Device Package：B, SQ-MELF
- Operating Temperature - Junction：-65°C ~ 125°C
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Overview
The Microchip Technology 1N5820USE3/TR is a 3 Amp axial Schottky barrier rectifier. It features a working peak reverse voltage of 20 V and maximum forward voltages of 0.40 V at 1.0 A, 0.50 V at 3.0 A, and 0.70 V at 9.4 A. The device operates within a junction temperature range of -65°C to +125°C and withstands surge peak forward currents up to 80 A. It utilizes hermetically sealed voidless hard glass packaging with tungsten slugs.
Feature Summary
- Hermetically sealed construction using voidless hard glass with tungsten slugs for durability.
- Schottky barrier principle provides low forward voltage drop characteristics.
- Non-sensitive to electrostatic discharge per MIL-STD-750 method 1020.
- Flexible axial leads designed for through-hole mounting applications.
Applications
- Low-voltage high-frequency inverters
- Free wheeling diodes
- Polarity protection circuits
Procurement Notes
Verify the specific ordering suffix against official documentation to confirm RoHS compliance status and package type. Ensure the procurement channel sources directly from authorized distributors or the manufacturer to guarantee component authenticity. Confirm that the tape and reel specifications align with standard EIA-296 requirements if automated assembly is planned.
Selection Notes
Select this component for designs requiring robust through-hole mounting and high reliability in harsh environments. The hermetic seal and metallurgical bonding make it suitable for military-grade applications. Evaluate thermal resistance requirements based on lead length and PCB pad area to ensure proper heat dissipation during operation.
Part Context
This part belongs to the 1N5820 series of 3 Amp axial Schottky rectifiers. It is qualified under MIL-PRF-19500/620 standards. The 'e3' suffix indicates RoHS compliance available on commercial grades. The device is manufactured by Microchip Technology, formerly Microsemi Corporation.
Replacement Considerations
Consult official datasheets for direct equivalents such as the 1N5821 or 1N5822 which share similar physical dimensions but offer different reverse voltage ratings. Verify compatibility regarding thermal resistance and package dimensions before substitution.
FAQ
Is the 1N5820USE3/TR sensitive to electrostatic discharge?
No, the device is non-sensitive to electrostatic discharge per MIL-STD-750 method 1020.
What is the maximum operating junction temperature?
The maximum operating junction temperature is +125°C.
