P6KE180CA B0G Circuit Protection

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TVS diodes, short for Transient Voltage Suppressor diodes, are essentially high-power surge suppressors that are particularly used to provide protection against electrostatic discharge (ESD) and other types of transient voltage surges. They are widely used in any application where overvoltage transients are likely to occur, such as consumer electronics, power supplies, and automotive and telecom equipment.

The P6KE180CA B0G TVS Diode belongs to the P6KE plastic package family, with 6-KiloWatt peak power capability while operating at 8/20 μs. These diodes have an operation voltage of 180 V, and offer high surge withstand capability when compared to other power standard related devices. The B0G suffix in the part number indicates the device has no lead finish.

The basic working principle behind TVS diodes is the same as for all diodes - when a current flows through it, the device offers low resistance (forward bias), and when the current is reversed, the device offers high resistance (reverse bias). In the case of TVS diodes, during times of transient voltage surges the diodes will present a much lower resistance than a normal diode and essentially act as a short to ground for the voltage surge, thus dampening or suppressing it.

The P6KE180CA B0G provides a power dissipation capability of 450 Watts, clamp voltage of 166V at 50Amps, and a breakover current rating of 28A at 5.5 Volts. The clamping voltage is determined by the “avalanche” breakdown of the junction, which occurs when the reverse bias of the device exceeds the avalanche voltage. The clamping voltage is therefore the product of the operating voltage and the avalanche voltage.

While the peak pulse power rating indicates the maximum voltage and current a TVS diode can survive, it is still important to select the proper operating voltage in order to make sure the diode can provide the desired protection. Since TVS diodes are typically used to protect against ESD with various polarity, they must be able to operate in both modes. The P6KE180CA B0G can dissipate energy over a broad range of operating voltages while providing protection.

The P6KE180CA B0G is a versatile device with numerous different uses in consumer electronics, power supplies, automotive and telecom equipment. It provides fast response time up to 8/20 μs, and enhanced surge withstand capability. The device is suitable for applications with high surge current, and acts as an efficient protection device. Its small package size and high power rating make it an attractive choice when designing systems with high transient voltages.

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