B59950C0120A051

Resistance - 25°C (Typ):	3.7 Ohms
Approvals:	UR
Lead Spacing:	0.197" (5.00mm)
Thickness (Max):	--
Height - Seated (Max):	0.669" (17.00mm)
Size / Dimension:	0.532" Dia x 0.138" W (13.50mm x 3.50mm)
Package / Case:	Radial, Disc
Mounting Type:	Through Hole
Ratings:	--
Operating Temperature:	-40°C ~ 85°C
Series:	--
Current - Trip (It):	640mA
Current - Hold (Ih) (Max):	320mA
Current - Max:	5.5A
Voltage - Max:	80V
Type:	Ceramic
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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PTC (Positive Temperature Coefficient) Resettable Fuses, also known as polymeric positive temperature coefficients (PPTCs), are an effective solution for providing reliable and safe circuit protection. B59950C0120A051 is a cost-effective PTC Resettable Fuse with high performance. It is designed for a wide range of applications, including automotive, general consumer and industrial applications.B59950C0120A051 is a high performance PTC Resettable Fuse with low resistance of 1m? and a high temperature rating of 125°C. It has an operating voltage of 250VAC, a maximum current rating of 1.2A and a hold current of 0.12A. The fuse provides protection from electrical overloads, short circuits and power surges.The working principle of B59950C0120A051 is based on PTCs. It is a self-resetting device consisting of a resistor and a thermistor which operates on the concept of positive temperature coefficient. When an electrical overloaded current passes through the PTC element, its internal resistance increases sharply with the rise of temperature due to the Joule heating effect. The increase in the internal resistance will limit the current, thus providing the desired circuit protection.The fast-acting response of the B59950C0120A051 enables it to respond quickly to an overcurrent event and prevent further damage to the circuit or components. With its low resistance, it can provide a high degree of protection, even in high power applications.In addition, the B59950C0120A051 is highly reliable and durable. It has an excellent sorption capacity and resistant to shock and vibration. It is also RoHS compliant, making it safe to use in commercial and industrial applications.B59950C0120A051 is widely used in a multitude of consumer, industrial and automotive applications. The highly reliable protection it provides is extremely beneficial in medical diagnostic instruments, computers and peripherals, home appliances, solar/alternate energy systems, automotive electronic circuits and many more.In conclusion, B59950C0120A051 is a high performance PTC Resettable Fuse that provides reliable and safe circuit protection. It is designed for a wide range of applications, including automotive, consumer and industrial applications. Its working principle is based on PTCs and it is highly reliable and durable. Therefore, it can be used in many commercial and industrial applications for added safety.

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