Organic PTC thermistor and making method

Organic PTC thermistor and production

Organic PTC thermistor device

Organic thermistor device and method of producing same

Oriented granular giant magnetoresistance sensor

Over-current protection apparatus

Over-current protection apparatus

Over-current protection apparatus

Over-current protection apparatus and method for making the...

Over-current protection device

Over-voltage protection device and method for making same

Overcurrent protection circuit

Overload protected solid state varistors

Overvoltage protection device and material

Overvoltage protection device and material

Overvoltage protection element

Overvoltage suppressor

Overvoltage surge arrester with means for protecting its porcela

Overvoltage surge arrester with quick-acting pressure relief mea

Oxide resistor