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Product Detailed Parameters
- Description：DIODE SCHOTTKY 40V 1A DO214AA
- Series：-
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR)
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：40 V
- Current - Average Rectified (Io)：1A
- Voltage - Forward (Vf) (Max) @ If：500 mV @ 1 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：500 µA @ 40 V
- Capacitance @ Vr, F：110pF @ 4V, 1MHz
- Mounting Type：Surface Mount
- Package / Case：DO-214AA, SMB
- Supplier Device Package：DO-214AA (SMB)
- Operating Temperature - Junction：-55°C ~ 125°C
- Grade：-
- Qualification：-
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Overview
The CD214B-B140LF is a Schottky Barrier Rectifier Chip Diode manufactured by Bourns Inc. It operates in the SMB (DO-214AA) package and provides a maximum average forward rectified current of 1 A with a maximum repetitive peak reverse voltage of 40 V. The device features a typical junction capacitance of 110 pF and a maximum instantaneous forward voltage of 0.7 V at 1 A. It supports an operating temperature range from -55 °C to +125 °C and includes lead-free terminations compliant with RoHS directives.
Feature Summary
- Schottky barrier construction for high efficiency and low forward voltage drop
- Leadless flat configuration designed to minimize roll-away during pick-and-place assembly
- Compliant with JEDEC standards for standardized handling and reliability
Applications
- Low voltage high frequency inverters
- Free wheeling circuits
- Polarity protection applications
Procurement Notes
Verify that the specific order matches the required reverse voltage rating, as the CD214B series spans multiple voltage codes. Confirm the presence of the LF suffix indicates 100% tin lead-free terminations. Ensure the packaging format aligns with automated assembly requirements, as this component is supplied in tape and reel quantities of 3,000 units per reel.
Selection Notes
Select the CD214B-B140LF when a 40 V blocking voltage and 1 A continuous current are required in a compact SMB footprint. Consider its low forward voltage characteristics for improved efficiency in power conversion stages. Evaluate thermal resistance parameters if the application involves significant heat dissipation or elevated ambient temperatures.
Part Context
This component belongs to the Bourns CD214B-B120 through B160 series of Schottky Barrier Rectifiers. The series utilizes the DO-214AA (SMB) package to offer PCB real estate savings compared to larger competitors. The product line is engineered for portable communications, computing, and video equipment where size constraints are critical.
Replacement Considerations
Direct substitutes within the same series include CD214B-B120LF, CD214B-B130LF, CD214B-B150LF, and CD214B-B160LF. These parts share identical physical dimensions and electrical ratings except for their specific repetitive peak reverse voltage capabilities.
