SMDJ17C

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The SMDJ17C is a surface mount bidirectional voltage transient suppressor or transient voltage surge suppressor (TVS) diode. It is designed to protect sensitive data equipment from transient voltage surges. Examples include telecommunication systems, automotive electronics, and consumer electronics. The SMDJ17C is a low-power device that can handle regulated power applications and can help protect against excessive inrush currents or overvoltage.

The SMDJ17C is designed to limit transient voltages from 0.25-44V and has an operating power dissipation of 0.2W. The diode is optimized to limit peak current to a maximum of 400mA for a single transient event and has an operating temperature range of -55°C to 125°C. The SMDJ17C is also designed to be RoHS compliant so that it meets the requirements of the WEEE Directive.

The working principle of the SMDJ17C is dependent upon the internal circuitry of the device. When transient Voltages occur, the diode will switch to a zener breakdown mode to provide a clamping effect on the voltage. In this mode, the SMDJ17C will clamp the voltage at its peak inverse voltage (PIV) level, providing an effective overvoltage protection for the application. The device will then switch back to the normally-off state after the transient is over, in order to avoid follow-on transients.

The SMDJ17C is a useful device for protecting against transient events in applications such as automotive electronics, home appliances, consumer electronics, and telecommunication systems. The device is optimized to protect against transient voltage surges and can help protect against overvoltage and inrush current. The diode is RoHS compliant and can withstand temperatures ranging from -55°C to 125°C.

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