1812L050PR

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1812L050PR

+物料清單

PTC RESET FUSE 15V 500MA 1812

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規格

屬性 價值
Package Tape & Reel (TR),Cut Tape (CT)
Series POLY-FUSE®, 1812L
ProductStatus Active
Type Polymeric
Voltage-Max 15V
Current-Max 100 A
Current-Hold(Ih)(Max) 500 mA
Current-Trip(It) 1 A
TimetoTrip 150 ms
Resistance-Initial(Ri)(Min) 150 mOhms
Resistance-PostTrip(R1)(Max) 1 Ohms
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 1812 (4532 Metric), Concave
Size/Dimension 0.179 L x 0.128 W (4.55mm x 3.24mm)
Thickness(Max) 0.030 (0.75mm)

概述

Description

The course "1812L050PR" likely refers to a specific module or subject in an academic curriculum, which could be identified by its unique code. However, without specific context regarding the institution offering it, the field of study, or a description of the course, it is challenging to provide precise details. Generally, course codes like this follow a pattern that can indicate the year of study, subject area, and course sequence.
If this course code belongs to a particular institution, it would typically be detailed in their course catalog or academic guide, outlining key topics, objectives, prerequisites, and credit information. To gain a comprehensive understanding, it is recommended to consult the institution's official resources or contact the academic department directly.

Equivalent

The 1812L050PR is a PolySwitch resettable fuse from Littelfuse. Equivalent products from other manufacturers typically fall under the category of PPTC (Polymeric Positive Temperature Coefficient) resettable fuses. Equivalent models may include the Bourns MF-MSMD050 series and Murata's PRG21 series. Always ensure compatibility by checking the specifications such as hold current, trip current, voltage rating, and form factor.

Features

The part number "1812L050PR" refers to a PolySwitch resettable fuse (PPTC) from Littelfuse. These are some of its key features:
1. Form Factor: It is built in a 1812 surface-mount package, meaning it has dimensions suitable for compact circuit board applications.
2. Current Rating: The device typically has a hold current rating of 0.50A, which is the maximum current it can conduct without tripping.
3. Voltage Rating: It is designed to operate at up to 60VDC, making it suitable for a variety of low to moderate voltage applications.
4. Overcurrent Protection: It provides resettable overcurrent protection, automatically returning to a low-resistance state once the fault condition is cleared.
5. Response Time: The PolySwitch responds quickly to overcurrent conditions, helping protect sensitive electronics from damage.
6. Temperature Range: It operates within a broad temperature range, often from -40°C to +85°C, ensuring functionality in diverse environments.
7. Applications: Commonly used in telecommunications, computer, and peripheral equipment, as well as automotive and industrial applications.
These features make the 1812L050PR a versatile and reliable component for overcurrent protection in electronic circuits.

Pinout

The 1812L050PR is a Polymeric Positive Temperature Coefficient (PPTC) resettable fuse from Littelfuse. It typically comes in a 2-pin configuration. The primary function of this component is to provide overcurrent protection. When a circuit experiences excessive current, the device increases in resistance drastically, thereby limiting the current flow, which helps protect the circuit from damage. Once the fault condition is removed and the power is cycled, the PPTC resets and returns to its low-resistance state, ready to protect the circuit again. Its compact 1812 surface-mount package makes it suitable for various electronic applications requiring overcurrent protection in a small form factor.

Manufacturer

The 1812L050PR is a PolySwitch resettable fuse manufactured by Littelfuse, Inc. Littelfuse is a global company that specializes in circuit protection, power control, and sensing technologies. Founded in 1927, the company provides a wide array of products such as fuses, semiconductors, and electronic sensors. Littelfuse serves various industries, including automotive, industrial, consumer electronics, and telecommunications, offering solutions that enhance safety, reliability, and performance.

Application

The 1812L050PR is a model designation for a type of Polymer Positive Temperature Coefficient (PPTC) resettable fuse. These components are used for overcurrent protection in electronic circuits. Application areas include:
1. Consumer electronics: Protecting devices like laptops, smartphones, and tablets.
2. Automotive: Safeguarding circuits in modern vehicles, including infotainment and navigation systems.
3. Telecommunications: Ensuring safe operation of communication equipment.
4. Industrial equipment: Protecting machinery from overcurrent and short circuits.
5. Computer peripherals: Used in USB hubs, keyboards, and mice to prevent damage from overcurrent.
These fuses are valued for their ability to reset after a fault is cleared, ensuring continued functionality without the need for replacement.

Package

The 1812L050PR is a surface-mount fuse with a package size of 1812, which refers to its dimensions in inches (0.18 x 0.12 inches). It is part of the PolySwitch family, commonly used for overcurrent protection in electronic circuits.

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