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- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for S4055M
- Part Number S4055M
- Manufacturer LITTELFUSE
- Pin Count 218
- Last Modified Date Oct 6, 2025 1:29 PM UTC
- Pinout / Pin List Click Here (Member Only)
S4055M Details
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Manufacturer Part Number:
S4055M
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Rohs Code:
Yes
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Part Life Cycle Code:
Obsolete
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Part Package Code:
TO-218AC
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Package Description:
ROHS COMPLIANT, PLASTIC PACKAGE-3
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Pin Count:
3
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ECCN Code:
EAR99
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HTS Code:
8541.30.00.80
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Manufacturer:
Littelfuse Inc
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YTEOL:
0
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Additional Feature:
HIGH RELIABILITY
S4055M Frequently Asked Questions (FAQs)
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For optimal thermal performance, it is recommended to have a solid copper pour on the PCB under the device, with multiple vias to the inner layers to dissipate heat. Additionally, keeping the PCB traces and components away from the device's thermal pad can help reduce thermal resistance.
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To ensure reliable soldering, use a soldering iron with a temperature range of 250°C to 260°C, and apply a small amount of solder paste to the PCB pads. Use a reflow oven or a hot air gun to solder the device, and avoid applying excessive force or pressure during the soldering process.
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The S4055M has a surge current rating of 100A for 8/20μs waveform, as per the IEC 61000-4-5 standard. However, it's essential to consult the datasheet and application notes for specific surge current requirements and derating factors.
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While the S4055M is primarily designed for overcurrent protection, it can be used in high-frequency switching applications up to 100 kHz. However, it's crucial to consider the device's parasitic inductance and capacitance, as well as the PCB layout, to minimize high-frequency losses and ensure reliable operation.
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To select the correct fuse rating, consider the maximum expected current in your application, as well as the device's power rating, ambient temperature, and fault current requirements. Consult the datasheet and application notes for guidance on fuse rating selection and derating factors.
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S4055M Overview
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