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- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for V481DA40
- Part Number V481DA40
- Manufacturer LITTELFUSE
- Pin Count 999
- Part Category Varistor
- Last Modified Date Nov 22, 2024 4:58 AM UTC
- Pinout / Pin List Click Here (Member Only)
V481DA40 Details
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Manufacturer Part Number:
V481DA40
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Pbfree Code:
Yes
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Rohs Code:
Yes
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Part Life Cycle Code:
Active
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Reach Compliance Code:
Unknown
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ECCN Code:
EAR99
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HTS Code:
8533.40.40.00
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Manufacturer:
Littelfuse Inc
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YTEOL:
8
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Circuit RMS Voltage-Max:
480 V
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Energy Absorbing Capacity-Max:
650 J
V481DA40 Frequently Asked Questions (FAQs)
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For optimal thermal performance, it is recommended to use a thermal pad on the bottom of the device and connect it to a large copper area on the PCB. This helps to dissipate heat efficiently. Additionally, keeping the PCB traces and vias away from the thermal pad can reduce thermal resistance.
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To ensure reliable operation in high-temperature environments, it is essential to follow the recommended derating curves for the device. Additionally, consider using a heat sink or thermal interface material to reduce the junction temperature. It is also crucial to ensure good airflow and avoid thermal hotspots.
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When paralleling multiple V481DA40 devices, it is essential to ensure that each device has an identical thermal environment and is connected in a way that minimizes current imbalance. This can be achieved by using a common heat sink, identical PCB layouts, and ensuring that the devices are connected in a way that minimizes inductance and resistance.
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To select the correct fuse for overcurrent protection, consider the maximum current rating of the V481DA40 device and the expected fault current. Choose a fuse with a melting integral (I²t) that is lower than the device's maximum allowable I²t. Additionally, ensure that the fuse's voltage rating is compatible with the device's voltage rating.
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The V481DA40 has built-in ESD protection, but it is still essential to follow proper ESD handling procedures during assembly and testing. Ensure that the device is handled in an ESD-controlled environment, and use ESD-protective packaging and materials.
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V481DA40 Overview
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