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Product Detailed Parameters
- Description：DIODE STANDARD 50V 3A DO214AA
- Series：-
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：50 V
- Current - Average Rectified (Io)：3A
- Voltage - Forward (Vf) (Max) @ If：1 V @ 1 A
- Speed：Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：5 µA @ 50 V
- Capacitance @ Vr, F：40pF @ 4V, 1MHz
- Mounting Type：Surface Mount
- Package / Case：DO-214AA, SMB
- Supplier Device Package：DO-214AA (SMB)
- Operating Temperature - Junction：-65°C ~ 175°C
- Grade：-
- Qualification：-
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Overview
The CD214B-R350 is a glass passivated rectifier diode manufactured by Bourns Inc. It features a DO-214AA (SMB) surface-mount package and supports a maximum average forward rectified current of 3.0 A. The device provides a maximum repetitive peak reverse voltage of 50 V, with a corresponding maximum RMS voltage of 35 V and DC blocking voltage of 50 V. Electrical characteristics include a typical junction capacitance of 40 pF at 1.0 MHz and a maximum instantaneous forward voltage of 1.0 V at 1 A. The component operates within a temperature range of -65 °C to +175 °C and withstands a peak forward surge current of 115 A.
Feature Summary
- Glass passivated chip construction for enhanced stability
- Low reverse leakage current performance
- Compact SMB/DO-214AA surface mount footprint
- High current capability with low forward voltage drop
Applications
- Rectification in portable communications equipment
- Power supply circuits in computing devices
- Video equipment power management systems
Procurement Notes
This component is officially classified as obsolete and is not recommended for new designs. Verification of current availability requires direct consultation with authorized distributors or the manufacturer. Users must confirm end-of-life status and lead times before procurement planning. Replacement products are available through official channels.
Selection Notes
Designers should evaluate the 50 V reverse voltage rating against circuit requirements. The 3.0 A forward current capacity suits moderate power applications. Thermal resistance from junction to lead is 13 °C/W. Consider derating curves for high ambient temperatures. Verify compatibility with standard pick-and-place equipment due to flat configuration.
Part Context
Part of the CD214B-R series glass passivated rectifiers. Shares DO-214AA packaging with other variants in the family. Designed for PCB real estate savings compared to competitive parts. Conforms to JEDEC standards for handling and reliability.
Replacement Considerations
Official replacement products are available. Consult Bourns documentation for specific substitute part numbers suitable for this application.
FAQ
What is the maximum operating temperature?
The maximum operating junction temperature is +175 °C.
Is the device RoHS compliant?
Yes, the product is RoHS compliant according to Directive 2015/863.
