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Product Detailed Parameters
- Description：DIODE STANDARD 800V 1A 1408
- Series：-
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：800 V
- Current - Average Rectified (Io)：1A
- Voltage - Forward (Vf) (Max) @ If：2.5 V @ 1 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：35 ns
- Current - Reverse Leakage @ Vr：5 µA @ 800 V
- Capacitance @ Vr, F：-
- Mounting Type：Surface Mount
- Package / Case：Chip, Concave Terminals
- Supplier Device Package：1408
- Operating Temperature - Junction：-65°C ~ 175°C
- Grade：-
- Qualification：-
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Overview
The CD1408-FU1800 is a surface mount fast recovery rectifier diode manufactured by Bourns. It features a repetitive peak reverse voltage of 800 V and an average forward current rating of 1 A. The device exhibits a maximum forward voltage of 2.5 V and a low reverse leakage current of 5 uA. Key electrical characteristics include a typical recovery time of 35 ns and a maximum surge current capability of 25 A. It operates within a temperature range of -65°C to +175°C junction temperature.
Feature Summary
- Fast recovery performance with 35 ns switching speed for efficient high-frequency operation
- High thermal stability supporting junction temperatures up to 175°C
- Robust surge current handling capability of 25 A for transient protection
Applications
- High-frequency power supply rectification
- Free-wheeling diodes in DC-DC converters
- Snubber circuits in switching mode power supplies
Procurement Notes
Verify the specific suffix (e.g., FU) against the manufacturer's official datasheet to confirm exact electrical tolerances and packaging specifications. Ensure the component matches the required voltage and current ratings for the target circuit design before procurement.
Selection Notes
Select this component for applications requiring high-speed switching and high-temperature resilience. The 800V rating provides sufficient margin for mains-derived circuits, while the small SMD package suits space-constrained designs. Confirm compatibility with reflow soldering profiles specified in the datasheet.
Part Context
This part belongs to the CD1408 series of surface mount rectifiers from Bourns. The series offers various voltage ratings and configurations optimized for compact electronic designs. The CD1408-FU1800 specifically targets high-voltage, high-speed applications within this product family.
Replacement Considerations
Check for direct substitutes with identical 800V/1A ratings and compatible footprint. Verify that alternative components meet the same 35 ns recovery time and 175°C thermal limits to ensure circuit performance parity.
