SMAJ16CA-M3/5A Circuit Protection

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TVS (transient voltage suppressor) diodes are used to protect electronics and other components from electrical overstress. SMAJ16CA-M3/5A is a low-capacitance transient voltage suppressor diode which can effectively protect electronic equipment from electrical surges, such as lightning strikes or electrostatic discharges. It is designed for applications where transient suppression and low capacitance are needed, such as cellular phone, personal computer, and other electronics applications.

The SMAJ16CA-M3/5A has a unidirectional TVS diode that can be used to limit the surge current and protect the connected electronic circuits. The maximum peak surge current capacity is rated at 16A (8/20μs waveform). It offers excellent transient response time and holds off voltage up to +500V clamping voltage. The device is available in a small, compact package (2mm x 1.6mm) and is ideal for space-constrained applications.

The working principle of the SMAJ16CA-M3/5A is relatively simple. As the surge current passes through the device, the junction PN diode, which is a voltage dependent device, is reversed biased. Under this state, the device starts to conduct by allowing the surge current to pass through it. The applied voltage drop across the junction becomes a function of the surge current. This voltage drop ensures that the connected electronic circuits remain protected from the dangerous surge current.

In addition to its excellent surge current protection capability, the SMAJ16CA-M3/5A also provides excellent protection from electrostatic discharges, such as ESD (ElectroStatic Discharges). It can absorb up to 1500V of ESD pulses without damaging the connected electronic circuits. Furthermore, the device has low capacitance which makes it suitable for applications that require high-speed transmissions, such as USB 3.0 and USB 4.0.

The SMAJ16CA-M3/5A is an ideal choice for applications where surge current protection and low capacitance are needed. It is suitable for devices such as PDAs, digital cameras, USB ports, and other consumer electronics. Additionally, the device is ideal for protection in automotive, industrial, and military applications. With its low capacitance and excellent surge current protection, the SMAJ16CA-M3/5A is a reliable and cost-effective solution for protecting electronic systems and components.

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