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Battery Pack
The power bus of the battery pack needs to avoid being affected by the overcurrentand over-voltage phenomenon.
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USB 2.0
The maximum transmission rate of USB 2.0 is 480Mbps, and the signal lines that need to be avoided from being affected by ESD include D+ and D-, and the 5VDC pow...
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USB 3.0
The maximum transmission rate of USB 3.0 is 5Gbps.
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SIM Card Socket
The maximum transmission rate is 7.2Mbps.
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MMC Interface
For typical Multi Media Card (MMC) circuits, the data transfer rate is less than 20 Mbps, so protection devices with capacitance values less than 40 pF can be u...
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RF Antennas
Antennas emit communication signals that operate in the radio frequency range between 800 - 950 MHz and 1800 - 1900 MHz, with values less than 1.0 Vp-p. Due to ...
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Audio IN/OUT Port
These audio lines have a maximum signal value of up to 12 Vp-p and operate at frequencies less than 30 kHz.
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Loudspeaker
The loudspeaker line have a maximum signal value of is 5.5Vp-p and operate at frequencies less than 30 kHz.
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Microphone
The Microphone line have a maximum signal value of is 5.5Vp-p and operate at frequencies less than 10 kHz.
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Display Panel
Solutions：ESD1～ESD4：LP1P882C05P01
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Keypad/Buttons
The keypads and various buttons found on a cell phone can be an entry way for ESD. These circuits are low-voltage DC switches, typically less than 5VDC.
