SMF10A-HM3-08

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SMF10A-HM3-08 Application Field and Working Principle

TVS (Transient Voltage Suppressor) protects devices from overvoltage destruction. The SMF10A-HM3-08 is a type of TVS that is used for protection from common transient voltage levels. It has been used in a variety of television semiconductor applications such as switch mode power supplies (SMPS), communication, micro-processors, industrial systems etc. The SMF10A-HM3-08 is a bi-directional device that functions as a switching device, providing fast voltage protection.

The SMF10A-HM3-08 works as a voltage protection device by dissipating energy from excess voltage, acting as a high speed switching element to protect against shock and surge voltages. This device triggers when the voltage reaches the rated average stand-off voltage (VIN = 8V maximum). Once triggered, the SMF10A-HM3-08 can maintain its protection state until the voltage level drops. This provides constant protection from voltage spikes and surges.

In terms of physical characteristics, the SMF10A-HM3-08 features a 5-pin surface-mount technology (SMT) package with a thermal resistance junction-to-ambient (R0JA) of 150°C/W. The TVS diode includes an integrated molded component on a silicon substrate, and can handle 600W in 10/1000μs, and 6A in 10V inductive load. The device is quite durable, as it is resistant to shock and vibration, and has a MSL 1 rating for a maximum moisture absorption of <0.25%.

In terms of application, the SMF10A-HM3-08 can be used in a variety of applications such as computers, mobile devices, and consumer electronics. The device is mainly used for protecting I/O lines, supply lines, and logic/signal lines from transient voltage. The device can also be used to protect circuit lines from ESD (electrostatic discharge) and surge events. The device is also suitable for automotive electrical systems, such as windshield wiper motor protection, brake light switch protection, and window heater control circuits.

The SMF10A-HM3-08 is a reliable and cost-effective voltage protection solution. It is designed for low leakage current, has ESD protection up to 15kV, and meets the JEDEC EIA-461 and EIA-462 standards. This device provides efficient protection, and is easy to integrate into various applications.

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