MF-RHT550-2

Resistance - Initial (Ri) (Min):	15 mOhms
Approvals:	--
Lead Spacing:	0.201" (5.10mm)
Thickness (Max):	--
Height - Seated (Max):	0.744" (18.90mm)
Size / Dimension:	0.441" L x 0.118" W (11.20mm x 3.00mm)
Package / Case:	Radial, Disc
Mounting Type:	Through Hole
Ratings:	AEC-Q200
Operating Temperature:	-40°C ~ 125°C
Resistance - Post Trip (R1) (Max):	37 mOhms
Series:	Multifuse®, MF-RHT
Time to Trip:	6s
Current - Trip (It):	10A
Current - Hold (Ih) (Max):	5.5A
Current - Max:	100A
Voltage - Max:	16V
Type:	Polymeric
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
RoHS Status:	RoHS Compliant
Packaging:	Tape & Reel (TR)

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PTC Resettable Fuses

PTC resettable fuses, also known as Polymeric Positive Temperature Coefficient (PPTC) resettable fuses, are type of offer an electrical safety feature for applications. PTCs are a one-time-use device that can be reset and used again after an overload or short circuit; they are designed to protect electrical circuits and devices from a variety of issues such as overloads, short circuits, overvoltage, and other types of electrical faults.The MF-RHT550-2 PTC resettable fuse is a perfect example of a reliable and efficient protective circuit. Designed with an ultra-small surface mount case size, the MF-RHT550-2 has a compact profile, allowing it to be used in a range of applications where space is limited. It also comes with an operating current range of 0.075-1.5A and a wide temperature range of -40℃ to+85℃.The MF-RHT550-2 resettable fuse operates by utilizing PTC semiconductor technology to detect an overcurrent condition. When electrical current overloads or short circuits within the system, the MF-RHT550-2 will detect and respond by tripping, meaning it will limit the flow of current and cut off the flow of electricity. The device will then switch to an open state, causing the internal insulation to break and the device’s surface temperature to increase, thereby limiting the flow of current to 0.2A. This allows time for the system to permanently trip and shut down, protecting it from further damage.The MF-RHT550-2 also features an resetting action that allows it to switch back to a low-resistance state when the over-current condition is removed. This helps reduce the risk of false triggering which can cause system failure and damage. An additional benefit of the resetting action of the MF-RHT550-2 is that it can be used to protect multiple loads in series because when one load trips, the resetting action of the other loads will prevent them from tripping too.The MF-RHT550-2 can be used in a variety of low voltage applications such as automotive electronics, power supplies, and consumer electronics. It can also be used for protection in various applications such as air conditioning systems, industrial UPS, chargers, and more. Its resetting action helps reduce the risk of system failure, making it an ideal choice for reliable and efficient circuit protection.

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