TSM600-250-RA-2

Resistance - Initial (Ri) (Min):	1 Ohms
Approvals:	CSA, UL
Lead Spacing:	--
Thickness (Max):	0.451" (11.45mm)
Height - Seated (Max):	--
Size / Dimension:	0.681" L x 0.425" W (17.30mm x 10.80mm)
Package / Case:	4-SMD
Mounting Type:	Surface Mount
Ratings:	--
Operating Temperature:	-40°C ~ 85°C
Resistance - Post Trip (R1) (Max):	5 Ohms
Series:	PolySwitch®, TSM
Time to Trip:	6s
Current - Trip (It):	860mA
Current - Hold (Ih) (Max):	250mA
Current - Max:	3A
Voltage - Max:	250V (600V Int)
Type:	Polymeric
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Cut Tape (CT)

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PTC Resettable Fuses

PTC Resettable Fuses, also known as polyfuses, are designed to help protect electrical products and systems from short circuits and surges. The abbreviation stands for Positive Temperature Coefficient Resettable Fuses, and they are designed to detect and stop problems before they can cause damage. The TSM600-250-RA-2 is a type of PTC resettable fuse. This particular version has a maximum continuous current of 250mA, and a power dissipation of 0.8 watts. It is RoHS compliant, which means it meets environmental protection standards. The fuse package is 3.2mm x 2.0mm. The TSM600-250-RA-2 PTC resettable fuse has a wide variety of applications, including protecting transistors in circuit designs, protecting LEDs in series applications, and as an over-current protection device in power supplies. It is also often used as an undervoltage protection device.The working principle of a PTC Resettable Fuse is based on the fact that when current flows through a semiconductor material, its temperature rises. The TSM600-250-RA-2 PTC Resettable Fuse is made from a special semiconductor material whose resistance will increase when the current passing through it reaches or exceeds a certain level. When this happens, the current is effectively "throttled" and the device shuts off, thus protecting the circuit from damage.The TSM600-250-RA-2 PTC Resettable Fuse is designed to reset itself once the current is reduced back to an acceptable level. This allows the fuse to be used in multiple applications without having to replace it after each fault, saving both time and money. Its unique design also ensures that it will blow again if the fault persists. One of the advantages of PTC resettable fuses such as the TSM600-250-RA-2 is their size. As PTC resettable fuses are much smaller than traditional non-resettable fuses, they can be integrated into the circuits themselves, eliminating the need for additional space-consuming components. This makes them ideal for use in space-critical applications such as handheld electronic devices. The TSM600-250-RA-2 PTC Resettable Fuse is a cost-effective and reliable way to protect electronic products and systems from short circuits and surges. Its compact design and ability to reset itself make it suitable for use in a wide variety of applications, from LED lighting rigs to power supplies. Its RoHS compliance ensures that it meets environmental regulations and is safe for use in a wide range of products and systems.

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