1812L190SLPR

PTC Resettable Fuses

Polymeric Positive Temperature Coefficient (PPTC) resettable fuses, or PTC fuses, are protective components that are ideal for use in a variety of applications where over-current, over-voltage, and/or over-temperature protection are needed. PTC fuses offer a unique combination of features and benefits that make them an attractive choice compared to traditional fuses.

1812L190SLPR Application Field and Working Principle

The 1812L190SLPR is a standard PTC resettable fuse. It offers low resistance at 19mOhm and provides over-current protection. This PTC is ideal for portable and mobile products, medical devices, and consumer electronics. It is recommended for use in applications up to 1A, and is RoHS compliant.

The 1812L190SLPR is based on a Polymeric Positive Temperature Coefficient (PPTC) device, which means when an over-current or over-voltage condition occurs, the resistance increases. This increase in resistance causes a drop in current, which protects the device from damage. The device then self-resets once the current or voltage condition is removed, allowing it to resume normal operation. In addition to providing over-current protection, the 1812L190SLPR offers thermal protection and is available in an SOT23 package.

The 1812L190SLPR is an excellent choice for applications that require low-profile, high-current protection with safety shut-off and reset capability. It offers an efficient and cost-effective way to protect electronic equipment from over-current and over-voltage conditions, as well as providing thermal protection, making it an ideal choice for a wide range of applications.

Benefits

PTC fuses offer several benefits over traditional fuses, including:

• Low cost: PTC fuses are substantially less expensive than traditional fuses.
• Easy reset: Unlike traditional fuses, PTC fuses are self-resetting, eliminating the need for a manual reset process.
• High current carrying capacity: PTC fuses are capable of higher current handling compared to traditional fuses.
• Thermal protection: PTC fuses offer additional thermal protection compared to traditional fuses, providing an additional layer of protection for sensitive components.
• Small form factor: PTC fuses are small, making them ideal for applications where space is at a premium.

The 1812L190SLPR is an excellent choice for applications that require over-current, over-voltage, and thermal protection. Its low profile and cost-effectiveness make it an attractive choice for a wide range of applications.

Conclusion

PTC fuses have become an increasingly important component in the protection of electronic equipment. The 1812L190SLPR PTC resettable fuse provides low resistance, as well as over-current, over-voltage, and thermal protection for a variety of applications. Its low cost, thermal protection, and small form factor make it an ideal choice for many applications.