YQD100N150 Circuit Protection

Series:	YQ
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Ceramic
Voltage - Max:	265V
Operating Temperature:	0°C ~ 60°C
Ratings:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Disc
Size / Dimension:	0.256" Dia x 0.197" W (6.50mm x 5.00mm)
Height - Seated (Max):	--
Thickness (Max):	--
Lead Spacing:	0.201" (5.10mm)
Approvals:	--

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Introduction

PTC resettable fuses, also known as polyfuses, are a type of self-resetting protection device. They are widely used in applications such as telecommunications, consumer electronics and automotive electronics, and they protect against overvoltage, overcurrent, and short circuit conditions. The YQD100N150 is a PTC resettable fuse specifically designed to protect audio circuits, video circuits, and other sensitive electronic components. This article will discuss the application field and working principle of YQD100N150.

Application Field of YQD100N150

YQD100N150 PTC resettable fuses are designed for use in audio and video circuits, computers, cell phones, and other electronic products. They are most commonly used to protect against overvoltage and overload conditions, as well as to prevent short circuits. The YQD100N150 can handle voltage ranges up to 150V and current ranges up to 10A. They are also designed to withstand temperatures up to 125°C and have a high dielectric strength of 600VAC/DC.

Working Principle of YQD100N150

The YQD100N150 is a PTC resettable fuse, as mentioned above. It works by using a positive temperature coefficient thermistor (PTC). This thermistor has a very specific property – when the temperature of the device increases, its resistance increases as well. The YQD100N150 uses this property to its advantage. When there is an overcurrent or overload situation, the thermistor will heat up, causing its resistance to increase. This will effectively reduce the current flowing through the circuit, thus preventing further damage. When the overload or overcurrent situation is resolved, the thermistor will cool down and the resistance will decrease, allowing the current to flow again. In this way, the YQD100N150 is able to provide protection against overload and overcurrent without having to be physically replaced.

Conclusion

In conclusion, the YQD100N150 PTC resettable fuse is a versatile protection device designed for use in audio and video circuits, computers, cell phones, and other electronic products. It is designed to withstand temperatures up to 125°C and has a high dielectric strength of 600VAC/DC. It works by using a positive temperature coefficient thermistor (PTC), which increases in resistance when the temperature increases, thus limiting the current to a safe level. This prevents further damage from occurring due to overload or overcurrent.

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