SEFUSE NEC SF Cutoffs Thermal Fuse OEM/ODM Service

How to tell if a sefuse NEC temperature fuse (थर्मल फ्यूज) is good or bad?
The following steps can be used to measure the quality of a temperature fuse (थर्मल फ्यूज) :

Use a multimeter to measure the resistance value: Set the multimeter to the resistance value measurement position, and then connect two test pens to the two ends of the Thermal Fuse . If the fuse is not blown, its resistance value should be very small. If the fuse is blown, the resistance value will be a larger number. If you are not sure about the correct resistance value, you can refer to the product manual or consult the manufacturer. ‌

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Observe the color change: If the Thermal Fuse turns black or the resistance value is abnormally high, it needs to be replaced.

The following matters need to be noted during the measurement process:
Lead bending: When bending the lead, it should be bent from a part more than 6 जड़ से मिमी दूर, and the root and lead should not be damaged. Do not forcibly pull, प्रेस, or twist the lead. ‌
Welding operation: वेल्डिंग करते समय सीसा, the heating humidity should be limited to a minimum, and be careful not to apply high temperature to the thermal fuse. Do not forcibly pull, प्रेस, या थर्मल फ्यूज और लीड को मोड़ें. After welding, it should be cooled for more than 30 seconds immediately.
Use conditions: Thermal fuses can only be used under the conditions of specified rated voltage, current and specified temperature. अधिकतम निरंतर तापमान पर विशेष ध्यान दें जिसे थर्मल फ़्यूज़ झेल सकता है.

Additional suggestions and common problems:
Replacing fuses: When a thermal fuse burns out, it needs to be replaced with a new fuse with the same voltage and rated temperature. आम तौर पर, thermal fuses are designed to be push-pull, so you only need to gently pull out the old fuse and insert the new one.
Regular inspection: When using electrical appliances, इलेक्ट्रॉनिक उपकरण, and automobiles, it is very important to regularly check whether the thermal fuse is burned out.

Thermal cut-off fuses of different brands and types:

Black Square 250V Thermal Fuse Cutoff LED Fuses

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SEFUSE NEC SF Cutoffs Thermal Fuse