Resistance - Initial (Ri) (Min):	2 Ohms
Approvals:	UL
Lead Spacing:	--
Thickness (Max):	0.033" (0.85mm)
Height - Seated (Max):	--
Size / Dimension:	0.063" L x 0.032" W (1.60mm x 0.80mm)
Package / Case:	0603 (1608 Metric), Concave
Mounting Type:	Surface Mount
Ratings:	--
Operating Temperature:	--
Resistance - Post Trip (R1) (Max):	14 Ohms
Series:	PolySwitch®, femtoSMDC
Time to Trip:	100ms
Current - Trip (It):	300mA
Current - Hold (Ih) (Max):	100mA
Current - Max:	40A
Voltage - Max:	15V
Type:	Polymeric
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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PTC Resettable Fuses

PTC (positive temperature coefficient) resettable fuses are designed to protect electronic equipment from over currents and over-voltages. They detect a fault with an integrated electronic feedback circuit which sense currents greater than the pre-calibrated threshold in the circuit, and then respond by rapidly opening a switch. The current then drops back to safe levels and the device will “self-reset” after cooling down to a safe temperature. FEMTOSMDC010F/15-2 is one of the PTC resettable fuses in the FEMTO family and it is used in medium-to-high power applications. This particular device offers excellent overload protection, combined with a higher operating current levels and a wide operating temperature range, making it suitable for a variety of industrial, consumer, and telecom applications.

Working Principle

The working principle of FEMTOSMDC010F/15-2 follows the same as other types of PTC resettable fuse - it works by detecting an over-current or over-voltage in the circuit and rapidly initiating the switch off. The current then dropsback to safe levels and the device self-resets after cooling down to a safe temperature. When an overload current is present in the circuit, it will cause the temperature of the PTC resettable fuse to rise to a very high level. When the temperature reaches a certain level, a bimetal element inside the fuse will react by causing the integrated electronic switch to trip, thus cutting off power to the circuit. This switch will then remain in an “open” position until the temperature of the device has cooled down to a safe level, at which point it will reset itself.

Application Field

The FEMTOSMDC010F/15-2 is suitable for a variety of industrial, consumer, and telecom applications. It offers a higher operating current levels and a wide operating temperature range, making it an ideal choice for high power applications. In industrial applications, it can be used for motor control, temperature control, HVAC and automotive applications. It can also be used in consumer products such as washing machines, power supplies, computer and mobile device chargers. The PTC resettable fuse is also used in telecom applications, such as in base stations, wireless communication networks and modems. In addition, the PTC resettable fuse offers good protection against short circuits and over-voltage conditions. It is durable, reliable and has a very long service life. This makes it suitable for a wide range of demanding applications.

Conclusion

The FEMTOSMDC010F/15-2 is a reliable and robust PTC resettable fuse which is designed for medium to high power applications. It offers good protection against short circuits and over-voltage conditions, as well as a wider operating temperature range. This makes it ideal for industrial, consumer and telecom applications. It is also durable and has a very long service life, making it suitable for a wide range of demanding applications.

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