1.5SMC82AHR7G

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1.5SMC82AHR7G application field and working principle

1.5SMC82AHR7G is a type of TVS diode (Transient Voltage Suppression Diode) designed to protect sensitive electronic components from damage due to high voltage spikes. It is one of the most commonly used types of transient voltage suppression diodes due to its low voltage drop, low clamping voltage, and fast turn-on time. The device can protect against both ESD (Electro Static Discharge) and EFT (Electrical Fast Transient) events.

The 1.5SMC82AHR7G TVS diode is designed to protect against overvoltages of up to 700V. It is a bidirectional diode, meaning it can protect against both positive and negative voltage spikes. The diode has a low voltage drop of 0.7V and can withstand repetitive ESD pulses of up to 35A. It also features a fast turn-on time of less than 10ns.

The working principle of 1.5SMC82AHR7G is based on a simple mechanism. When a surge voltage or current is applied to the device, the diode goes into avalanche breakdown. The electrical field that is generated in the reverse biased diode causes electrons to be accelerated to the N-region creating electron-hole pairs. The holes are attracted to the P-region and the electrons to the N-region. This creates a low-voltage, low-impedance circuit path, thus allowing the surge current to flow. When the surge dissipates, the diode returns to its non-conductive state.

The 1.5SMC82AHR7G is widely used in many applications such as power supplies, industrial control systems, consumer electronics and automotive electronics. In these applications, it is used to protect sensitive components such as microprocessors, transistors, and ICs from voltage or current transients. It is also commonly used in computer motherboards and circuit boards to protect them against EMI/RFI interference.

The 1.5SMC82AHR7G TVS diode is a reliable and cost-effective device that provides protection for sensitive electronics components against voltage and current transients. Its low voltage drop, low clamping voltage, and fast turn-on time make it a popular choice for a variety of applications.

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