0ZRE0025FF1E

Resistance - Initial (Ri) (Min):	1.3 Ohms
Approvals:	cURus, TUV
Lead Spacing:	0.201" (5.10mm)
Thickness (Max):	--
Height - Seated (Max):	0.685" (17.40mm)
Size / Dimension:	0.378" L x 0.150" W (9.60mm x 3.80mm)
Package / Case:	Radial, Disc
Mounting Type:	Through Hole
Ratings:	--
Operating Temperature:	-40°C ~ 85°C
Resistance - Post Trip (R1) (Max):	3.8 Ohms
Series:	0ZRE
Time to Trip:	18.5s
Current - Trip (It):	560mA
Current - Hold (Ih) (Max):	250mA
Current - Max:	6A
Voltage - Max:	240V
Type:	Polymeric
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

PTC Resettable Fuses ( Polymeric Positive Temperature Coefficient Resettable Fuses ), also known as PPTC ( Polymeric Positive Temperature Coefficient ) devices, are electrical components designed to protect circuits from overcurrent and short-circuits. The 0ZRE0025FF1E is a PTC Resettable Fuse specifically designed for applications that include car audio systems, automotive batteries, cellphones, tablets, laptops, and other electronics. It is a compact, self-healing, and cost-effective device that can be used to protect these various electronic components.

Application Field and Working Principle

The 0ZRE0025FF1E PTC Resettable Fuses are designed for automotive applications, such as car audio systems, automotive batteries, and other electronics. They are relatively compact in size and self-healing, meaning that they can reset themselves after being activated by an overcurrent or short-circuit. The 0ZRE0025FF1E consists of an embedded PTC film device and a fuse link. The contact resistance of the embedded PTC film eliminates the natural "on-state" thermal resistance of the device, allowing it to react quickly and efficiently to overcurrent or short-circuit events.When a short-circuit or overcurrent occurs, the 0ZRE0025FF1E increases its temperature due to the heat generated by the current. At a predetermined temperature, the PTC begins to limit the current and the resistance increases until the point that it interrupts the circuit and stops the current flow. After the PTC cools off, it can reset itself and return to its initial configuration. This process ensures that the circuit is protected and the current flow is limited.

Advantages and Disadvantages

The 0ZRE0025FF1E PTC Resettable Fuses are beneficial in many applications as they are compact, cost-effective, and can be used for a wide range of products. They provide reliable overcurrent and short-circuit protection without additional components or circuitry, and can reset themselves automatically without user intervention. Additionally, they have a long lifespan and their internal resistance is not affected by voltage or temperature fluctuations.One of the main disadvantages of PTC Resettable Fuses, such as the 0ZRE0025FF1E, is that they can be triggered by low current levels. This can be a problem in certain applications, as the PTC may be triggered by normal current levels or other transient events. In addition, the temperature trip point can vary depending on the device, so care should be taken to ensure that the fuse is suitable for the intended application.

Conclusion

The 0ZRE0025FF1E PTC Resettable Fuse is an effective way to protect automotive and other electronic components from overcurrent and short-circuit events. It is a compact and cost-effective device that can reset itself automatically and limit the current flow when triggered. However, it should be noted that the device may be triggered by low current levels, so care should be taken to ensure it is suitable for the intended application.

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