1210L400SLWR

Resettable PTC fuses for circuit protection in compact SMD format

Manufacturer: littelfuse

series introduction

# Unveiling the 1210L400SLWR Product Series: A Technological Marvel

## Overview
The 1210L400SLWR product series represents a pinnacle of engineering and innovation, designed to meet the diverse and demanding needs of modern industries. This comprehensive range of products combines cutting - edge technology, robust construction, and exceptional performance to deliver unparalleled value to users. Whether you are in the field of electronics, manufacturing, or research, the 1210L400SLWR series is engineered to provide reliable solutions.

## Design and Construction
### Physical Dimensions and Form Factor
The 1210L400SLWR series features a well - thought - out design with a standardized 1210 package size. This size is widely recognized and compatible with many existing circuit board layouts, making it easy to integrate into new and existing projects. The compact form factor allows for efficient use of space on the circuit board, enabling designers to create more densely populated and miniaturized devices without sacrificing performance.

### Materials and Build Quality
These products are constructed using high - quality materials that ensure durability and long - term reliability. The components are carefully selected to withstand harsh environmental conditions, including temperature variations, humidity, and mechanical stress. The outer casing is made of a robust and heat - resistant material that provides excellent protection to the internal components, reducing the risk of damage from external factors.

## Electrical Performance
### Capacitance and Tolerance
One of the key features of the 1210L400SLWR series is its precise capacitance values. The series offers a wide range of capacitance options, allowing users to choose the most suitable value for their specific applications. The capacitance values are maintained within a tight tolerance range, ensuring consistent performance across different units. This high level of precision is crucial in applications where accurate electrical characteristics are required, such as in filtering and coupling circuits.

### Voltage Rating
The 1210L400SLWR components are rated for a high voltage of 400V. This high voltage rating makes them suitable for use in a variety of high - power applications, including power supplies, motor control circuits, and industrial automation systems. The ability to handle high voltages without breakdown or degradation in performance ensures the safety and reliability of the overall system.

### Low ESR (Equivalent Series Resistance)
The series is designed with a low equivalent series resistance (ESR). A low ESR value is essential for efficient power transfer and reduced power losses. In applications such as switching power supplies, a low ESR capacitor can improve the overall efficiency of the circuit, reduce heat generation, and enhance the stability of the output voltage. This results in longer - lasting and more energy - efficient systems.

## Applications
### Electronics
In the electronics industry, the 1210L400SLWR series is widely used in printed circuit boards (PCBs) for various consumer and industrial electronics products. They are commonly employed in audio amplifiers to filter out unwanted noise and provide a clean power supply to the amplifier circuits. In mobile devices, these capacitors can be used for decoupling purposes, ensuring stable power delivery to sensitive components such as microprocessors and memory chips.

### Power Systems
Power systems, including renewable energy systems such as solar inverters and wind turbine converters, benefit greatly from the high - voltage and low - ESR characteristics of the 1210L400SLWR series. They are used in energy storage and power conditioning circuits to smooth out voltage fluctuations, improve power factor, and protect the system from electrical surges.

### Automotive Electronics
The automotive industry also relies on the 1210L400SLWR series for its automotive electronics applications. These capacitors can be found in engine control units (ECUs), infotainment systems

Images for reference

1210L, 1210 Concave Pkg

1210L, 1210 Concave Pkg

Image Preview

Image Preview

Datasheets

Partlist

1210L400SLWR