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The Würth Elektronik 82400102 is designed to protect electronic circuits against overcurrent conditions. It is a resettable fuse that can return to its operational state after the fault has been cleared, making it a cost-effective solution for circuit protection. Functions - Overcurrent Protection: Prevents current from exceeding a specified threshold, thereby protecting sensitive components. - Resettable Design: Unlike traditional fuses, it can reset automatically after the fault conditions are cleared, eliminating the need for replacement. - Thermal and Voltage Ratings: Designed to operate within specific thermal and voltage limits, ensuring reliable protection under varying conditions. Applications - Consumer Electronics: Used in devices such as chargers, televisions, and computers to safeguard internal circuits. - Home Appliances: Provides safety for appliances like microwaves, washing machines, and refrigerators. - Automotive Systems: Protects electronic control units and other components within automotive applications. - Industrial Equipment: Used in machinery requiring reliable circuit protection without maintenance disruptions. Alternative Parts 1. Littelfuse 0150P Series: Similar Polyfuse options for overcurrent protection with different current ratings. 2. Bourns MF-MSMF Series: Another resettable fuse option that offers various current ratings and characteristics. 3. TE Connectivity Polyswitch PS Series: Alternative resettable fuses with a broad range of operational parameters. Embedded Modules - Microcontrollers: Often paired with microcontroller and sensor modules in consumer electronics to protect the system. - Power Management ICs: Works alongside power management circuits to ensure components are shielded from transient current spikes. - Battery Management Systems: Integrated for overcurrent protection in battery-powered modules, such as power banks and electronic devices. Related Q&A 1. Q: What is the maximum current rating for the Würth Elektronik 82400102? A: The maximum current rating is a characteristic defined in the product datasheet. You would need to check the specifications for the exact value. 2. Q: How does the resettable operation of the 82400102 work? A: When the current exceeds the designated threshold, the device heats up and increases its resistance, cutting off the current flow. Once the condition returns to normal, it cools down and allows current to flow again. 3. Q: Can the Würth Elektronik 82400102 be used in outdoor applications? A: It depends on the environmental ratings specified in the product datasheet. Additional protective measures may be needed for harsh conditions. 4. Q: Is the 82400102 suitable for high-frequency applications? A: The suitability for high-frequency applications depends on the specific application requirements and should be verified against the manufacturer's specifications. 5. Q: What are the key advantages of using a resettable fuse like the 82400102? A: The main advantages are its ability to reset automatically after a fault condition, reducing maintenance costs and the need for replacements, and providing continual protection in a compact form factor.