0ZCD0300FF2C Circuit Protection

Series:	0ZCD
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Type:	Polymeric
Voltage - Max:	6V
Current - Max:	40A
Current - Hold (Ih) (Max):	3A
Current - Trip (It):	5.2A
Time to Trip:	25s
Resistance - Initial (Ri) (Min):	10 mOhms
Resistance - Post Trip (R1) (Max):	48 mOhms
Operating Temperature:	-40°C ~ 85°C
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	2920 (7351 Metric)
Size / Dimension:	0.290" L x 0.202" W (7.36mm x 5.12mm)
Height - Seated (Max):	--
Thickness (Max):	0.035" (0.90mm)
Lead Spacing:	--
Approvals:	cURus, TUV

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PTC Resettable Fuses: 0ZCD0300FF2C application field and working principle

PTC Resettable Fuses (Polymeric Positive Temperature Coefficient Fuses) are automatic electric circuit protection devices which reset after a period of time. The 0ZCD0300FF2C is a PTC Resettable Fuse that has a wide range of applications, including in consumer electronics, automobiles, industrial equipment, and energy systems. It has been designed to provide over current - over voltage protection and resetting system flexibility. This article will discuss the 0ZCD0300FF2C application field and working principle.

Applications

The 0ZCD0300FF2C PTC Resettable Fuse is suitable for a wide range of applications, such as consumer electronics, automobiles, industrial equipment, and energy systems. It is typically used for over-current and over-voltage protection in:

• Consumer electronics : Laptop adapters, mobile chargers, TV sets, digital cameras
• Automobiles : Automotive control, Occupant sensing, OBD systems, Safety features
• Industrial equipment : Measurement and control equipment, Data processing, Automatic registers, Vending machines
• Energy systems : Environments that demand safety and reliability in no-maintenance systems, Wind turbines

In all of these applications, the 0ZCD0300FF2C is capable of providing both over-current and over-voltage protection.

Working Principle

The 0ZCD0300FF2C PTC Resettable Fuse is composed of two parts: the PTC material and the resistor. The PTC material is a thermally-sensitive polymer that behaves like a semiconductor junction, meaning that when current passes through it, its resistance will increase as the temperature increases. When the current exceeds a certain level, the PTC material will reach a high temperature, which will cause the resistance to rise significantly, thus limiting the current. The resistor, which is connected in series with the PTC material, will draw a small amount of current upon reset. This small amount of current will not be enough to cause the PTC material to reach a temperature high enough to cause its resistance to rise. However, when the current from the circuit rises above this level, the PTC material will begin to heat up and its resistance will rise significantly. This will cause the current output of the fuse to be limited, and it will remain in the low-current state until it is reset. The 0ZCD0300FF2C PTC Resettable Fuses provide a resetting system that is more flexible than traditional fuses. It is designed to be able to reset itself both electrically and manually. It can also be reset automatically, after a predetermined period of time. In summary, the 0ZCD0300FF2C is a PTC Resettable Fuse that is designed for a wide range of applications, including consumer electronics, automobiles, industrial equipment, and energy systems. It is capable of providing both over-current and over-voltage protection, and its resetting system is more flexible than traditional fuses.

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