The MAX30034 is a patent-pending protection device intended to (with the help of external, energy-rated resistors) absorb repetitive defibrillation and other high-energy pulses to protect sensitive electronic circuitry in ECG and other medical/industrial equipment. The device can withstand over 100,000 defib pulses without failure. The device is intended to replace the gas-discharge tubes and transient absorbers in applications where its significant reduction in size is beneficial and its lower, well-defined on- voltage can offer higher degrees of protection to sensitive electronics. The device uses a combination of a rugged integrated- circuit process and high-speed circuitry to ensure very fast turn-on times with trigger voltages low enough to not require secondary clamping circuitry. A low hold current of approximately 175mA ensures protection is maintained for the entire length of the high-energy transient event. The MAX30034 is available in a small, 3mm x 5mm µMAX-8 package, and is specified over the 0°C to +70°C temperature range.