PTR016V0400-BK

Resistance - Initial (Ri) (Min):	21 mOhms
Approvals:	cURus, TUV
Lead Spacing:	0.197" (5.00mm)
Thickness (Max):	--
Height - Seated (Max):	0.504" (12.80mm)
Size / Dimension:	0.350" L x 0.122" W (8.90mm x 3.10mm)
Package / Case:	Radial, Disc
Mounting Type:	Through Hole
Ratings:	--
Operating Temperature:	-40°C ~ 85°C
Resistance - Post Trip (R1) (Max):	60 mOhms
Series:	PolyTron™, PTR016V
Time to Trip:	1.7s
Current - Trip (It):	6.8A
Current - Hold (Ih) (Max):	4A
Current - Max:	100A
Voltage - Max:	16V
Type:	Polymeric
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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PTC Resettable Fuses

PTC resettable fuses are a unique type of circuit protection that incorporates a positive temperature coefficient (PTC) device and a thermal fuse in one package. They are commonly used in applications such as cellular phones, portable devices, inverters, personal computers, and other consumer electronics. The PTC resettable fuse, also known as a PPTC (polyswitch resettable device), is a semiconductor-based fuse that contains a PTC thermistor and a thermal fuse in one package. It is designed to detect fault conditions in a circuit and either open or close the circuit immediately to prevent damage.

PTR016V0400-BK Application Fields

The PTR016V0400-BK is a PTC resettable fuse designed for electronic circuits that require reliable overcurrent protection. It can be used in a broad range of applications such as consumer electronic products, automotive, industrial, aerospace, communications, telecom, solar and other safety systems. The PTR016V0400-BK can be used for protecting general purpose electronics circuit, such as power supplies, computer systems, instrumentation, and high-end audio systems. It can also be used for protecting motors, ignitions, and regenerative loads.

PTR016V0400-BK Working Principle

The PTR016V0400-BK works on the principle of “overshooting” the required current limit and auto-resetting after the fault has been cleared. When the current flowing through the device exceeds the limit, the PTC thermistor inside the fuse will start to heat up and its resistance increases dramatically, thus diverting most of the power to itself. As a result, the current is effectively reduced and the thermal fuse will trip to open the circuit and prevent damage.Once the fault has been cleared, the PTC thermistor will cool down and the thermal fuse will reset, allowing the current to flow again. This type of fuse is known for its ability to rapidly react to fault conditions and trip in a short time. The PTR016V0400-BK is designed with a low current level at which it will start to trip, which ensures that even small overcurrents are detected. This ensures maximum safety and protection for the circuit.

Conclusion

The PTR016V0400-BK is a robust and reliable PTC resettable fuse that is designed to provide protection for electronic circuits. It provides effective overcurrent protection against both large and small fault conditions, and it can reset itself automatically after the fault has been cleared. It is suitable for high-end audio systems, instrumentations, and other consumer electronic products.

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