1812L300SLPR Circuit Protection

Resistance - Initial (Ri) (Min):	3 mOhms
Approvals:	cURus, TUV
Lead Spacing:	--
Thickness (Max):	0.030" (0.75mm)
Height - Seated (Max):	--
Size / Dimension:	0.179" L x 0.128" W (4.55mm x 3.24mm)
Package / Case:	1812 (4532 Metric), Concave
Mounting Type:	Surface Mount
Ratings:	--
Operating Temperature:	-40°C ~ 85°C
Resistance - Post Trip (R1) (Max):	21 mOhms
Series:	POLY-FUSE®, LoRho
Time to Trip:	5s
Current - Trip (It):	7A
Current - Hold (Ih) (Max):	3A
Current - Max:	50A
Voltage - Max:	6V
Type:	Polymeric
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

PTC Resettable Fuses are cutting-edge electronic components utilized to protect electronic systems from voltage overload, short circuit, and current limiting conditions. PTC resettable fuses are advantageous over traditional fuses due to their ability to reset after a fault occurs, eliminating the need for replacing fused components in order to reset the circuit. One such product is the 1812L300SLPR Fuse, a surface mounted, leaded radial PTC Resettable Fuse.

Application Field

The 1812L300SLPR Fuse has various applications in areas such as telecoms, consumer electronics, automation/process control and medical devices. With an operating temperature range of -40℃ to 125℃, the 1812L300SLPR Fuse can be used for a wide range of temperature environments. Additionally, 1812L300SLPR Fuses are suitable for applications involving high voltage, high sensitivity, and long-term reliability.

Working Principle

The 1812L300SLPR Fuse features a radial leaded design which dissipates heat through the leaded structure. The 1812L300SLPR is a self-resettable fuse whose resistance is increased when subjected to high inrush currents or short circuit conditions. This increase in resistance limits the maximum current to the device, providing it with protection against harm. Once the high current has been removed, the PTC Resettable Fuse will automatically reset and return to its previous low-resistance state in a matter of seconds.

Conclusion

The 1812L300SLPR Fuse is a reliable, high-performance PTC resettable fuse suitable for a variety of electronic applications. Its radial, leaded design ensures proper heat dissipation and long-term reliability. The 1812L300SLPR Fuse also boasts an operating temperature range of -40℃ to 125℃, making it suitable for a wide range of temperature environments. The 1812L300SLPR Fuse is a cutting-edge product designed to provide users with reliable, safe, and long-lasting protection from overloads and short circuits.

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