250R080ZR Circuit Protection

Resistance - Initial (Ri) (Min):	14 Ohms
Approvals:	cURus, TUV
Lead Spacing:	0.201" (5.10mm)
Thickness (Max):	--
Height - Seated (Max):	0.390" (9.90mm)
Size / Dimension:	0.228" Dia x 0.181" W (5.80mm x 4.60mm)
Package / Case:	Radial, Disc
Mounting Type:	Through Hole
Ratings:	--
Operating Temperature:	-40°C ~ 85°C
Resistance - Post Trip (R1) (Max):	33 Ohms
Series:	POLY-FUSE®, 250R
Time to Trip:	4s
Current - Trip (It):	160mA
Current - Hold (Ih) (Max):	80mA
Current - Max:	3A
Voltage - Max:	60V (250V Int)
Type:	Polymeric
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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PTC Resettable Fuses

PTC (Positive Temperature Coefficient) resettable fuses are an effective way to protect electronic devices from over current conditions. They are also known as polyfuses. The most common type of resettable fuse in use today is the 250R080ZR, which features a variety of applications and working principles.The 250R080ZR resettable fuse provides protection by detecting sudden, large increases in current flow in a circuit and responding by quickly tripping, or switching off. When the current flow returns to normal levels, the fuse automatically resets itself. This automatic reset feature reduces downtime and ensures the safe and reliable operation of the device.The 250R080ZR can be used in a wide range of applications, from consumer electronics and home appliance safety, to high-reliability industrial applications. It is particularly well-suited for critical, mission-critical systems and other high-availability settings. It is also suitable for use in voltage-sensitive applications.The working principle of the 250R080ZR resettable fuse is based on a thermal feedback mechanism. As the current through the fuse increases, its internal temperature rises. When the temperature reaches a certain level, the fuse trips. Once the temperature has been reduced to a safe level, the fuse automatically resets itself.The 250R080ZR resettable fuse includes a number of features that ensure its reliable operation and make it well-suited for use in wide variety of scenarios. Its high response times help to prevent damage to the device, and its built-in current-limiting capability adds a further layer of safety. The fuse also has a low self-heating capability, which helps to prevent thermal runaway and minimize power losses.The 250R080ZR resettable fuse is designed to be used in applications where a high level of reliability is required. Its high-accuracy trip ratings and its ability to handle both small and large currents reliably make it an ideal choice in industrial and consumer electronics applications. It also has a long lifetime, which makes it an economical choice.In summary, the 250R080ZR resettable fuse is an effective way to protect electronic devices from over current conditions. Its high response times, low self-heating, and current-limiting capability make it suitable for a range of applications and scenarios. Its high reliability and long lifetime make it an economical choice for mission-critical systems and other high-availability settings.

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