Ningbo Xinyuan Electronic Co., Ltd.

China Manufacturer with main products: Thermal Fuse, Thermal Cutoffs, Thermal Link, Temperature Fuse, Thermal Protector Fuse

Home  >Products Catalog > RH series > SANYUAN RH series ceramic thermal links/ thermal cutoffs

SANYUAN RH series ceramic thermal links/ thermal cutoffs

FOB Price: 0.11 - 0.15 USD/Piece
Supply Ability: 900,000 Piece/Pieces per Month
Shipping: Shenzhen
Payment Terms: L/C, T/T, Western Union, Other, Paypal
In Stock
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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Mid East, Eastern Asia, Western Europe
Place of Origin: Zhejiang in China
Packaging Details: 10000pcs/carton

Quick Details

  • Model Number: RH 250
  • Brand Name: SANYUAN
  • Rated voltage: 250V
  • Rated current: 10A
  • Below: Non-resettable
  • Application: Home appliances;Electrical component
  • Lead length: Standard or customized
  • Approval: TUV;CB


Test method of rf 250C thermal fuse:

   An indicator under current less than 10mA will be used for checking circuit continuity.

1 Rated function temperature(Tf):

   Put the samples into the professional oil oven, and remain 5 ~ 10 minutes under temperature Tf-20C. After that, increasing the temperature at the speed of 0.5~1K/min until the fuse cuts. The off temperature should be inside of tolerance.

2 Holding temperature (Th)

   Put the samples inside of an incubator and the applied voltage should be less than rated voltage, current applied at 10A. Then, maintain the samples for 168 hours under Th-6C. After that, the thermal fuse should not function or damaged.

3 Humidity test

   Put the samples inside a sealed room under temperature 40±2C,and relevant humidity 90%~95% for 48 hours. After that, repeat test 3.1

4 Heat impact test

Put samples inside of a fridge at -18C for 15 minutes, then take it out under room temperature for 5 minutes. After that, put the samples to an incubator at temperature Tf-20C for15 minutes. Then, take it out under room temperature 5 minutes again. Repeating the above tests for 3 weeks, then test the contact resistance of thermal fuse, the contact resistance between two leads should be less than 50mΩ.



Application of thermal fuse:

Home appliances: irons, coffee makers, rice cookers, bread makers, toasters, refrigerators;

Comfort conditioning appliances:air conditioners, fans, humidifiers, heaters;

Personal care appliances:hair dryers, hair curlers, hair setters, razors;

Business appliances:copiers, laser printers, facsimiles, power strips;

Electrical components:transformers, solenoids,motor, AC adopters.




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