The Littelfuse SMBJ15CA is a bidirectional transient voltage suppressor (TVS) diode designed to protect sensitive electronic circuits from voltage spikes caused by lightning, ESD, inductive switching, and other transient events.
Built using Littelfuse Transil™ technology, this device offers fast response time, high surge capability, and reliable protection in compact surface-mount designs.
Key Features
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Manufacturer: Littelfuse
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Series: SMBJ Transil
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Bidirectional transient voltage protection
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Fast response time to overvoltage events
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High peak pulse power capability
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Compact SMB surface-mount package
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RoHS compliant
Typical Applications
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Power supply protection
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Automotive electronics
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Industrial control systems
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Communication interfaces
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DC power lines
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Embedded and microcontroller-based systems
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Consumer and commercial electronics
Electrical Characteristics
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Working Peak Reverse Voltage (VRWM): 15V
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Breakdown Voltage: 16.7V – 18.5V
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Clamping Voltage: 24.4V
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Polarity: Bidirectional
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Peak Pulse Power: 600W (10/1000 µs waveform)
Mechanical Specifications
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Package / Case: DO-214AA (SMB)
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Mounting Type: Surface Mount (SMD)
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Number of Pins: 2
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Manufacturer Part Number: SMBJ15CA
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