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Help CenterEmerson Microtemp Fuses | Models G7f01141c, G7f51141c Ultra-small Thermal Fuses
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Product Overview
The MICROTEMP G7F01141C (and the compatible model G7F51141C) produced by the "Therm-O-Disc" brand under Emerson is a ultra-small, single-action thermal fuse. This product is a classic model of the G7 series, featuring a compact size and is specifically designed to address the limited internal space in modern electronic devices. When the device abnormally heats up to its rated 141℃ due to a malfunction, it can quickly and permanently cut off the circuit, providing an overheat safety barrier for core components and effectively preventing the risk of fire and device damage.
Detailed Technical Parameter Table
Parameter Category Specific Specifications Description
Product Model G7F01141C, G7F51141C Often used together
Rated Operating Temperature (Tf) 141℃ Nominal temperature point for fusing
Rated Voltage/Current 250V AC / 5A Standard electrical load capacity characteristics Approximately 1/3 of the G4/G5 series Core advantage: Ultra-miniaturization
Fusing characteristics One-time, non-resettable Needs to be replaced after fusing
Typical certifications UL, VDE, CQC, CSA Complies with international safety standards
Scope of application Transformers, motors, battery packs, electronic appliances For low-current, compact space applications
Core advantages and application scenarios
Core advantages:
Space-saving: Its miniaturized design allows it to be embedded in PCB boards or tight mechanical structures, making it suitable for high-end compact designs.
Precise and reliable protection: Adopts Emerson's reliable fusing technology, with precise response to ensure timely action at the set temperature point.
Global safety compliance: Obtained safety certifications from multiple countries to ensure market access for end products globally.
Main application areas:
Transformers and inductors: Prevent overheating caused by overload or short circuit.
Small motors: Such as overheating protection for locked-rotor of cooling fans and micro-pumps.
Battery Management System (BMS): Used for overheating protection of single cells or modules in battery packs.
Consumer electronics and power modules: Such as circuit protection inside LED driver power supplies, adapters, and smart home devices. Guide and Frequently Asked Questions (FAQ)
Q1: What's the difference between G7F01141C and G7F51141C?
A: They are usually compatible models with the same electrical parameters. The differences may lie in packaging, order batches, or different customer codes. They can be regarded as the same specifications for verification during selection, but it is recommended to refer to the official data sheet.
Q2: How to choose between the G7 series and the G4, G5 series?
A: This is a key selection issue. The G4 series (10A) and G5 series (20A) have larger current capacities but also larger volumes. The G7 series (5A) is optimized for scenarios where the current demand is not high but space is extremely precious. Simply put, choose the G7 if you prioritize space constraints, and choose the G5/G4 if you prioritize current load.
Q3: What should be noted during installation?
A: To ensure sensitivity, it should be closely attached to the heating part of the protected component; avoid excessive mechanical stress on the leads; ensure that the temperature of the surrounding environment does not exceed its overload temperature after fusing.
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