3D Models
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- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for MCR12DG
- Part Number MCR12DG
- Manufacturer LITTELFUSE
- Last Modified Date Oct 6, 2025 1:29 PM UTC
- Pinout / Pin List Click Here (Member Only)
MCR12DG Details
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Manufacturer Part Number:
MCR12DG
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Rohs Code:
Yes
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Part Life Cycle Code:
Active
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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:
6
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Case Connection:
ANODE
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Configuration:
SINGLE
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DC Gate Trigger Current-Max:
20 mA
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JEDEC-95 Code:
TO-220AB
MCR12DG Frequently Asked Questions (FAQs)
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The recommended PCB layout for the MCR12DG involves placing the device near the power source, using a solid ground plane, and keeping the leads as short as possible to minimize inductance and resistance. Additionally, it's recommended to use a thermal relief pattern on the PCB to ensure good heat dissipation.
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To select the correct fuse rating, you need to consider the maximum current rating of your circuit, the voltage rating, and the ambient temperature. You should also consider the fuse's melting integral (I²t) and the let-through energy (I²t) to ensure that the fuse can handle the maximum fault current and energy in your circuit.
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The main difference between the MCR12DG and the MCR10DG is the physical size and the corresponding current rating. The MCR12DG is a larger device with a higher current rating (12A) compared to the MCR10DG (10A). The MCR12DG also has a slightly higher voltage rating (32V) compared to the MCR10DG (30V).
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The MCR12DG is rated for operation up to 125°C, but its performance may degrade at higher temperatures. If you need to use the fuse in a high-temperature environment, you should consider derating the current rating and consulting with Littelfuse's application engineers to ensure the fuse can meet your specific requirements.
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To ensure proper soldering, follow the recommended soldering profile and temperature guidelines provided by Littelfuse. Use a solder with a melting point above 180°C and avoid applying excessive heat or force to the device during soldering. Also, ensure the PCB is clean and free of oxidation to ensure good solder wetting.
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MCR12DG Overview
Use the download button to access the MCR12DG 3D model. You can still request or build the schematic symbol and PCB footprint by using the respective build or request forms on this page.
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