SMAJ15CA

The "SMAJ15CA from Jingdao" refers to a specific model of a surface-mount transient voltage suppressor (TVS) diode, designed to protect sensitive electronic components from voltage spikes and transients. Here’s a detailed description of its features and specifications:

Physical Characteristics:

• Package Type: The SMAJ15CA is housed in a compact SMA (Surface Mount) package, which is designed for easy integration onto printed circuit boards (PCBs). The package typically has a low profile, making it suitable for space-constrained applications.
• Dimensions: The dimensions of the SMA package are generally around 5.2 mm in length and 3.5 mm in width, with a height of approximately 1.1 mm. This compact size allows for efficient use of board space.

Electrical Specifications:

• Reverse Stand-Off Voltage (VRWM): The SMAJ15CA has a reverse stand-off voltage of 15 volts, meaning it can withstand this voltage without conducting. This makes it suitable for protecting circuits operating at or below this voltage level.
• Clamping Voltage (VC): When subjected to a transient voltage, the clamping voltage is the maximum voltage that appears across the device. For the SMAJ15CA, this is typically around 24.5 volts at a specified peak pulse current, ensuring that connected components are protected from excessive voltage.
• Peak Power Dissipation: The device can handle a peak power dissipation of up to 400 watts for a short duration (usually 10/1000 µs pulse), making it effective for absorbing high-energy transients.
• Capacitance: The SMAJ15CA features low capacitance, which is crucial for high-speed data lines, ensuring minimal signal distortion during operation.

Performance Characteristics:

• Temperature Range: The operating temperature range for the SMAJ15CA is typically from -55°C to +150°C, allowing it to function reliably in various environmental conditions.
• Response Time: The device has a fast response time, which is essential for protecting sensitive electronics from fast transients, such as those caused by lightning strikes or inductive load switching.

Applications:

The SMAJ15CA is commonly used in various applications, including:

• Consumer Electronics: Protecting devices like smartphones, tablets, and laptops from voltage spikes.
• Telecommunications: Safeguarding communication lines and equipment from transients.
• Automotive: Providing protection for electronic control units (ECUs) and other sensitive automotive electronics.
• Industrial Equipment: Ensuring the reliability of machinery and control systems by protecting against electrical noise and surges.

Conclusion:

The SMAJ15CA from Jingdao is a robust and reliable transient voltage suppressor diode, designed to protect sensitive electronic components from voltage spikes. Its compact size, high power handling capability, and wide operating temperature range make it an ideal choice for a variety of applications in consumer electronics, telecommunications, automotive, and industrial sectors.