V39ZA3P Circuit Protection

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TVS (Transient Voltage Suppressor) are used to protect circuit from transient voltage. Varistor and MOV are common components used in TVS circuit.

V39ZA3P is a TVS diode that is mainly used to protect circuit from overvoltage transient and overvoltage. This device has great capability for short circuit current but low dynamic impedance. It is especially suitable for high-speed switching power supply with small size, high efficiency in order to protect against overvoltage and overvoltage.

The application field of V39ZA3P mainly contains portable devices, medical instruments, automotive electronics, telecommunication and aerial, etc. These are high demanded products that require higher performance and reliability. Moreover, V39ZA3P can suppress high energy surge. It is suitable for automotive electronics, power supplies, power management, lightning and remote sensing control.

The working principle of V39ZA3P is voltage clamping. When transient overvoltage occurs, the internal junction diode causes the voltage across the device to be clamped at a certain level, suppressing explosion of the circuit.

The V39ZA3P has a maximum clamp voltage of 42V, maximum peak pulse current of 1.3KA (10/1000 μs), working temperature from -55°C to 155°C, and breakdown voltage range from 18 to 21V. It has a 0.8W power rating and 8mm height compared to other products on the market. Moreover, it can withstand up to 1 million times of surge and 10 times of 10/1000μs surge current.

In addition to the outstanding protection performance, the V39ZA3P also has superior surge withstanding capability and reliability, wide voltage range operation, and is UL certified for its safety and reliability. It also has low capacitance, low ESD sensitivity.

In summary, V39ZA3P is suitable for high-speed switching power supply and portable devices. The device has great performance on surge withstanding and high reliability. Its working principle is voltage clamping which effectively protects the circuit from overvoltage and overvoltage transient voltage.

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