The recommended land pattern for ERJB1AF300U is a rectangular pad with a size of 2.5mm x 1.25mm, with a 0.5mm hole in the center for the chip resistor's terminal. The pad should be connected to a copper plane to ensure good thermal dissipation.
The ERJB1AF300U's power rating is derated at high temperatures. According to the datasheet, the resistor can handle 300mW at 70°C, but this rating decreases to 150mW at 120°C. Ensure that your design takes into account the operating temperature and adjusts the power rating accordingly.
The ERJB1AF300U is a general-purpose chip resistor and is not designed for high-frequency applications. It has a self-resonant frequency of around 100MHz, and its impedance may vary significantly above this frequency. If you need a high-frequency resistor, consider using a specialized component designed for high-frequency applications.
The ERJB1AF300U has a moisture sensitivity level (MSL) of 2, which means it can withstand a certain level of humidity. However, to ensure reliability, it's recommended to follow proper handling and storage procedures, such as storing the components in a dry environment and using a nitrogen-filled packaging. Additionally, consider using a conformal coating or potting compound to protect the resistor from moisture.
The ERJB1AF300U has a maximum rated voltage of 50V. While it can handle pulses up to 100V, it's not designed for continuous high-voltage operation. If you need a resistor for a high-voltage application, consider using a component with a higher voltage rating, such as the ERJB1AF500U or a specialized high-voltage resistor.
Trust Checks
This model has been built in collaboration with the manufacturer.
Manufacturer Collaborated
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
ERJB1AF300U Overview
Use the download button to access the ERJB1AF300U schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like ERJB1,
or try a keyword search, such as Metal Glaze/Thick Film Resistors
