SMAJ14CA-QH

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TVS (Transient Voltage Suppressors) diodes are a special type of diode designed for protection against high voltage transients such as lightning or power swings. They are commonly used in power electronics and communication circuits to protect circuit integrity from transients which are produced by electrostatic discharge (ESD), electrical fast transients (EFT) and overvoltage events. The SMAJ14CA-QH is a TVS diode that is suitable for a wide range of applications and is compliant with both IEC 61000-4-2 and 151A standards. It is designed to suppress high voltage transients on power and signal lines of circuits.

The device is supplied in an SMD construction with an operating temperature of -55℃ to 150℃, making it ideal for a number of applications requiring high temperature operation. The diode features a peak pulse power rating of 1,500W, a surge peak pulse current of 14A and a breakdown voltage (BV) of 14V. It has an ESD protection of 8 kV and is available in a SMD package with a dimension of 3.5mm × 1.5mm and weight of 0.3g.

In addition, the SMAJ14CA-QH features an environmental protection rating of 75V, making it suitable for a wide range of applications including automotive (both in-vehicle and off-vehicle) and industrial solutions requiring effective high speed overtemperature protection. The device is also highly reliable, with a fail-safe design and an MTBF (mean time between failures) of 5 million hours.

The TVS diodes in the SMAJ14CA-QH series are designed to protect circuits from transient overvoltage events. During an overvoltage event, the device will allow a relatively small amount of current to pass through, thus limiting the transient voltage to an acceptable level. Similarly, the device clamps the voltage to below a set level when a surge current passes through it. This helps to prevent catastrophic damage to the circuit.

In terms of operation, the device can be used in a variety of applications. It is particularly useful for protecting sensitive electronic circuitry from ESD, EFT, and Voltage Overloads. Since it is available in a surface-mount package, it also allows for easy integration into systems where space is a factor. Furthermore, the SMAJ14CA-QH can be used to prevent transient voltage events in automotive and industrial circuits, making it a versatile device for a number of applications.

In conclusion, the SMAJ14CA-QH is an ideal choice for high speed overtemperature protection. With its low profile surface-mount package, high surge current handling capability, and MTBF, the device offers a high degree of reliability for a wide range of applications. Its ESD clamping capability and fail-safe design ensure circuit protection and help ensure the safety of the system.

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