YQS8103

Resistance - 25°C (Typ):	13 Ohms
Approvals:	--
Lead Spacing:	0.236" (6.00mm)
Thickness (Max):	--
Height - Seated (Max):	0.394" (10.00mm)
Size / Dimension:	0.177" Dia x 0.138" W (4.50mm x 3.50mm)
Package / Case:	Radial, Disc
Mounting Type:	Through Hole
Ratings:	--
Operating Temperature:	0°C ~ 60°C
Series:	YP
Current - Trip (It):	240mA
Current - Hold (Ih) (Max):	120mA
Current - Max:	700mA
Voltage - Max:	30V
Type:	Ceramic
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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PTC Resettable Fuses: YQS8103 Application Field and Working Principle

PTC (Positive Temperature Coefficient) Resettable Fuses are current protection devices used to help protect against overcurrent and short-circuit faults. They are electronic components, typically paired with a one-time fuse, offering additional benefits for applications which incorporate sensitive electronic components components or mixed inductive loads. YQS8103 is a type of PTC Resettable Fuses used in a wide range of applications. Its application field and working principle are described in detail below.

Application Field

YQS8103 PTC Resettable Fuses can be used in a variety of application fields, including automotive, industrial, medical, audio-visual, lighting, and many more. In automotive applications, they can be used to protect the circuits from any overload or short-circuits that may be present, helping to ensure accurate and consistent performance. In industrial and medical applications, they provide protection against over-currents that could damage delicate electronics. In audio-visual applications, they provide over-current protection while also preventing interference or noise from affecting the performance of the devices.

Working Principle

YQS8103 PTC Resettable Fuses work by tripping when current exceeds specified levels. When current exceed the levels, the contacts open automatically, disconnecting the power and interrupting the electrical flow. This prevents any further current flow and protects the circuits from damage due to over-currents or shorts. The fuse also incorporates a resettable feature which, when triggered, restarts the current protection after the fault has been corrected. This allows for protection to be re-established once the fault has been resolved, without the need to replace the entire circuit.

Conclusion

YQS8103 PTC Resettable Fuses provide effective protection against over-currents and short-circuits in a range of applications. They are simple and reliable devices, capable of restarting the current protection once the fault has been rectified. As such, they are widely used in automotive, industrial, medical, audio-visual, and other applications which require additional levels of protection for delicate electronic components.

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