Thermistor device and secondary battery

Disclosed is a thermistor device and a secondary battery having the same. The secondary battery includes a protection circuit module, at least one bare cell, and a thermistor device. The bare cell is electrically connected to the protection circuit module. The thermistor device includes a supporting body formed of an elastic material, a pair of terminals formed on one surface of the supporting body, a conductive connection part formed around an external surface of the supporting body, and a thermistor element connected to the conductive connection part. Here, the thermistor device is disposed between the protection circuit module and the bare cell and is closely attached to the protection circuit module and the bare cell.