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The TPD4E101 is a four channel ESD protection device in an ultra small package. It is the industry’s smallest 4-ch ESD protection device. A larger pitch helps save on PCB manufacturing costs. The device provides IEC61000-4-2 compliance up to 15kV contact discharge. It has an ESD clamp circuit with back-to-back diodes for bipolar/bidirectional signal support. The low line capacitance is suitable for a wide range of applications supporting data rate up to 700Mbps.Typical application areas in portable applications are:

• Audio lines (Microphone, Earphone and Speakerphone)
• SD interface
• SIM interface
• Keypad or other buttons