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Product Detailed Parameters
- Description：DIODE STANDARD 800V 3A 2SMD
- Series：-
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：800 V
- Current - Average Rectified (Io)：3A
- Voltage - Forward (Vf) (Max) @ If：2.2 V @ 3 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：35 ns
- Current - Reverse Leakage @ Vr：5 µA @ 800 V
- Capacitance @ Vr, F：19pF @ 4V, 1MHz
- Mounting Type：Surface Mount
- Package / Case：2-SMD, No Lead
- Supplier Device Package：2-SMD
- Operating Temperature - Junction：-65°C ~ 175°C
- Grade：-
- Qualification：-
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Overview
The CD214B-FS3K is a glass passivated fast response rectifier chip diode manufactured by Bourns Inc. It operates within the DO-214AA (SMB) package format and supports a maximum average forward current of 3 A. The device features a maximum repetitive peak reverse voltage of 800 V, with a typical instantaneous forward voltage of 2.2 V at full load. Electrical characteristics include a maximum DC reverse current of 5 µA, a reverse recovery time of 35 ns, and a typical junction capacitance of 19 pF. Thermal resistance values are specified as 66 °C/W from junction to ambient and 8 °C/W from junction to lead.
Feature Summary
- Glass passivation for enhanced stability
- Fast response rectification capability
- Low profile surface mount design
Applications
- Switch Mode Power Supplies
- Portable equipment batteries
- High frequency rectification
- DC/DC Converters
- Telecommunications
Procurement Notes
Verify the specific datasheet revision date before procurement, as specifications are subject to change without notice. Confirm that the component meets all applicable RoHS compliance directives relevant to your region. Ensure that the operating conditions in your final application do not exceed the absolute maximum ratings defined in the official documentation.
Selection Notes
Select this component when high voltage blocking up to 800 V is required alongside a 3 A continuous current rating. The fast reverse recovery time makes it suitable for high-frequency switching applications where minimizing power loss is critical. Verify thermal management requirements against the specified junction-to-ambient thermal resistance for your specific PCB layout.
Part Context
This part belongs to the CD214B-FS3x series of fast response rectifiers. The series includes variants with different voltage ratings: FS3D (200 V), FS3G (400 V), and FS3J (600 V). All share the same 3 A current rating and SMB-compatible physical footprint, allowing for standardized mechanical design across different voltage requirements.
Replacement Considerations
Compatible substitutes within the same series include CD214B-FS3D, CD214B-FS3G, and CD214B-FS3J. These parts share identical electrical current ratings and physical dimensions but differ in their maximum repetitive peak reverse voltage capabilities.
