- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for FDH444
- Part Number FDH444
- Manufacturer onsemi
- Pin Count 2
- Part Category Diode
- Package Category Diodes, Axial Diameter Horizontal Mounting
- Footprint Name Diodes, Axial Diameter Horizontal Mounting - AXIAL LEAD CASE 017AG ISSUE O-1
- Released Date Jan 8, 2026
- Last Modified Date Jan 8, 2026 10:32 AM UTC
- Pinout / Pin List Click Here (Member Only)
FDH444 Details
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Manufacturer Part Number:
FDH444
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Brand Name:
onsemi
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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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Part Package Code:
Axial Lead
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Package Description:
DO-35, 2 PIN
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Manufacturer Package Code:
017AG
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Country Of Origin:
Mainland China
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ECCN Code:
EAR99
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HTS Code:
8541.10.00.70
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Manufacturer:
onsemi
FDH444 Frequently Asked Questions (FAQs)
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A recommended PCB layout for optimal thermal performance would be to use a 2-layer or 4-layer board with a solid ground plane on the bottom layer, and to place thermal vias under the device to dissipate heat efficiently.
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To ensure reliable operation at high temperatures, it's essential to follow the recommended operating conditions, use a suitable heat sink, and ensure good thermal conductivity between the device and the heat sink. Additionally, consider using a thermal interface material to minimize thermal resistance.
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Although the datasheet specifies the recommended operating voltage range, it's essential to note that the maximum allowable voltage on the input pins is typically 5.5V, and exceeding this voltage may cause damage to the device.
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To handle ESD protection for the FDH444, it's recommended to use a TVS (Transient Voltage Suppressor) diode or an ESD protection device at the input pins, and to follow proper PCB design and layout guidelines to minimize ESD susceptibility.
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The recommended soldering temperature for the FDH444 is between 240°C to 260°C, and the recommended soldering time is 3-5 seconds. It's essential to follow the recommended soldering profile to prevent damage to the device.
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FDH444 Overview
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