Bourns' MF-SD013/250 is a surface-mount device containing twin 250 V polymer PTC resettable fuses. This product builds on the very successful MF-SM013/250 device by packaging two of these devices into the same housing, reducing customer circuit board area by more than 50%.

The MF-SD013/250 provides tip and ring overcurrent protection and aids compliance with ITU-T K.20, K.21, and K.45 as well as Telcordia GR-1089 intra-building. The product can be used as part of an overall circuit protection solution utilizing a combination of other circuit protection products.