0ZCK0075FF2E Circuit Protection

Series:	0ZCK
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Polymeric
Voltage - Max:	6V
Current - Max:	40A
Current - Hold (Ih) (Max):	750mA
Current - Trip (It):	1.5A
Time to Trip:	200ms
Resistance - Initial (Ri) (Min):	90 mOhms
Resistance - Post Trip (R1) (Max):	350 mOhms
Operating Temperature:	-40°C ~ 85°C
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	0805 (2012 Metric), Concave
Size / Dimension:	0.085" L x 0.053" W (2.15mm x 1.35mm)
Height - Seated (Max):	--
Thickness (Max):	0.049" (1.25mm)
Lead Spacing:	--
Approvals:	cURus, TUV

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PTC Resettable Fuses

PTC resettable fuses, also known as polyfuses, are components that offer overcurrent protection of electronic circuits. These fuses can "reset" themselves once the current falls below a certain threshold, or "trip" level, making them reusable and thus eliminating the need for a replacement. The 0ZCK0075FF2E is a polymeric positive temperature coefficient (PPTC) device specifically designed to provide circuit protection in applications such as semiconductor equipment, lighting fixtures, modems, scanners, home appliances, and more.

Application Field

The 0ZCK0075FF2E is typically used in applications where circuit protection is required from both overcurrent and transient conditions. It is also suitable for applications with high current surges and low steady-state currents. Typical applications include computers, cell phone chargers, surge protectors, printers, microwave ovens, and motor controls. It can also be used in automotive electronics, power supplies, audio systems, and other electronic devices.

Working Principle

The 0ZCK0075FF2E is a polymeric positive temperature coefficient (PPTC) device specifically designed to provide overcurrent protection. The device functions by exploiting the positive temperature coefficient of resistance of a conductive polymer. When a current above the trip level flows through the device, the polymer heats, which causes an increase in resistance, limiting the current and protecting the circuit from overcurrent and short-circuit damage. The device then cools and the resistance decreases, allowing the device to reset itself and return to its low resistance state, allowing current flow again.

Features

The 0ZCK0075FF2E is an economical polymeric fuse with outstanding performance, versatility, and safety features. It is UL recognized and RoHS compliant, making it an ideal choice for a variety of applications. It offers a wide operating temperature range (-40°C to 125°C), fast response (<1 second), low voltage operation (2.5V - 64V), and provides protection from both overcurrent and transient conditions. The device is also designed to be installed with ease and occupied minimal board space.

Conclusion

The 0ZCK0075FF2E is a polymeric positive temperature coefficient (PPTC) device specifically designed to provide overcurrent protection in a variety of applications, from computers and cell phone chargers to surge protectors and microwave ovens. The device offers excellent protection from overcurrent and transient conditions, as well as a wide operating temperature range and fast response time. This cost-effective resettable fuse is UL recognized and RoHS compliant, making it an ideal choice for a variety of applications.

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