MELF resistors cylindrical 0102, 0204, and 0207 case sizes (equivalent to flat chip sizes 0805, 1206, and 2512) are suitable for various application requirements. Operating voltages can be applied from 150V (0102) up to 300V (0207); rated power dissipation at +70°C ambient temperature ranges from 0.3W (0102) up to 1W (0207). The maximum film temperature at the specified maximum power rating is +155°C.
The ability to withstand these operating conditions is ensured by the devices’ cylindrical construction. Compared to chip resistors of the same mounting space, the area of the effective resistive film is about three times greater, and the larger volume of the ceramic body ensures sufficient heat dissipation.