Resistance - Initial (Ri) (Min):	60 mOhms
Approvals:	TUV
Lead Spacing:	--
Thickness (Max):	0.051" (1.30mm)
Height - Seated (Max):	--
Size / Dimension:	0.179" L x 0.128" W (4.55mm x 3.24mm)
Package / Case:	1812 (4532 Metric), Concave
Mounting Type:	Surface Mount
Ratings:	--
Operating Temperature:	-40°C ~ 85°C
Resistance - Post Trip (R1) (Max):	200 mOhms
Series:	0ZCG
Time to Trip:	500ms
Current - Trip (It):	2.2A
Current - Hold (Ih) (Max):	1.1A
Current - Max:	100A
Voltage - Max:	33V
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 Resettable fuses are typically employed in applications that require a short circuit protection that recycles automatically. PTC Resettable fuses, also called polymeric positive temperature coefficient (PPTC) devices, are commonly used as an overcurrent protection solutions for various electronic devices. 0ZCG0110CF2B is one of the most commonly used PTC Resettable Fuses.

Application Field of 0ZCG0110CF2B

0ZCG0110CF2B PTC Resettable Fuses are specially designed for use in AC or DC line surge protection, such as notebook chargers, LCD displays, cameras and other consumer electronics. They are suitable for a range of power output from 3W to 200W. In addition, they can be used in handheld electronic products, white good appliances and other devices that require overcurrent protection. 0ZCG0110CF2B is especially designed for high inrush current of solid state relays. Beside that, 0ZCG0110CF2B can be also used for battery protection.

Working Principle of 0ZCG0110CF2B

Once the overcurrent flows through the PTC element, the temperature of the device will rise. When the temperature of the device exceeds a given threshold, usually 140°C, the device will go into the tripping phase. During this period, the resistance of the device will increase exponentially, and the current will drop dramatically, thus limiting the current. After the current is decreased to a safe level, the temperature of the device will decrease and eventually the PTC element goes back to its original temperature and its resistance decreases. This recycling process and automatic resetting capability make PTC resettable fuses suitable for recurrent overcurrent protection.

Conclusion

To sum up, 0ZCG0110CF2B PTC Resettable Fuses are widely used for a range of protection applications such as notebook chargers, LCD displays, cameras and other consumer electronics. The device is characterized by automatic resetting after an overcurrent flows through its element, thus it can be used in applications that require overcurrent protection. Furthermore, its special design for high inrush current makes it especially suitable for solid state relays and battery protection.

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