The following documentation provides specific information into the key parameters when implementing an ESD/TVS diode:
<System Level Design>
TI Getting Started with Interface Protection Video Series
TVS Surge Rating: Power vs. Current
TVS Surge Protection in High-Temperature Environments
Design Considerations for System-Level ESD Circuit Protection
16-Bit 8-Channel PLC Analog Input Module with High Voltage (±150 V) Common Mode
<Device Level Design>
Reading and Understanding an ESD Protection Datasheet