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Product Detailed Parameters
- Description：DIODE STANDARD 400V 3A 2SMD
- Series：CD214B-S3x
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：400 V
- Current - Average Rectified (Io)：3A
- Voltage - Forward (Vf) (Max) @ If：1 V @ 3 A
- Speed：Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：5 µA @ 400 V
- Capacitance @ Vr, F：23pF @ 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-S3G is a glass passivated rectifier chip diode from the CD214B-S3x series, manufactured by Bourns Inc. It operates in a DO-214AA (SMB) compatible package and supports a maximum average forward current of 3 A with a peak surge current of 96 A. The device provides a maximum repetitive peak reverse voltage of 400 V. Electrical characteristics include a maximum instantaneous forward voltage of 1.00 V at 3 A and a DC reverse current of 5 µA at rated voltage. Junction capacitance is typically 23 pF at 4 V reverse bias. Thermal resistance values are 74 °C/W junction-to-ambient and 10 °C/W junction-to-lead.
Feature Summary
- Glass passivation for enhanced reliability
- Low profile design suitable for compact PCB layouts
- Halogen-free and RoHS compliant construction
- UL 94V-0 rating for flame resistance
Applications
- Switch Mode Power Supplies
- Portable equipment batteries
- High frequency rectification
- DC/DC Converters
- Telecommunications
Procurement Notes
Verify the specific suffix 'G' to confirm the 400 V rating before procurement. Confirm that the required packaging format matches the standard tape and reel configuration. Ensure the application environment remains within the specified operating temperature range of -65 to +175 °C. Check for any updated environmental compliance documentation if required by local regulations.
Selection Notes
Select this component when a 400 V blocking capability is required alongside a 3 A continuous current rating. The SMB package offers a balance between current handling and board space efficiency. Consider the thermal resistance parameters for heat dissipation requirements in dense circuit designs. Verify compatibility with standard surface mount assembly processes.
Part Context
This part belongs to the CD214B-S3x series of glass passivated rectifier chip diodes. The series covers voltage ratings from 200 V to 1000 V, sharing common physical dimensions and electrical profiles for forward current and surge capacity. The S3G designation specifically identifies the 400 V variant within this standardized product line.
Replacement Considerations
Compatible substitutes within the same series include CD214B-S3D (200 V), CD214B-S3J (600 V), CD214B-S3K (800 V), and CD214B-S3M (1000 V). These parts share identical packages and current ratings but differ in reverse voltage capabilities.
FAQ
What is the maximum repetitive peak reverse voltage for the CD214B-S3G?
The maximum repetitive peak reverse voltage is 400 V.
Does the CD214B-S3G meet halogen-free standards?
Yes, the product is explicitly listed as halogen-free, with bromine and chlorine content below specified limits.
What is the typical junction capacitance value?
The typical junction capacitance is 23 pF, measured at 4 V reverse bias and 1.0 MHz frequency.
