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Thermal Fuse Function and Application
The Thermal Fuse (Thermal Cutoff, Sekering suhu) is Axial / Radial / Organic Thermal-Link(OTCO) safety parts that stops the flow of electricity to the motor circuit when a overheats. If the fuse is missing or broken, your motor will not start. The thermal fuse is sensitive to external temperature, and the operating temperature is accurate and stable. Small size, sealed structure. Reliable performance. Low resistance value. One-time action cuts off the current, and the current interruption capacity reaches 250VAC/25A.
The thermal fuse has safety certifications UL(C-UL), VDE,CCC, KTL, PSE and complies with RoHS standards. The Thermal Fuse (Thermal Cutoff, Sekering suhu) is Axial / Radial / Organic Thermal-Link(OTCO) safety parts that stops the flow of electricity to the motor circuit when a overheats. If the fuse is missing or broken, your motor will not start.
The thermal fuse is sensitive to external temperature, and the operating temperature is accurate and stable. Small size, sealed structure. Reliable performance. Low resistance value. One-time action cuts off the current, and the current interruption capacity reaches 250VAC/25A.
A thermal fuse fails when the exhaust temperature exceeds the Thermal fuse rating, that is when the temperature rises above the Set temperature that the fuse is designed to handle.
This can Circuit break occur when a heating element is shorted, a regulating thermostat or thermister fails, or with a partially restricted exhaust vent.
The Thermal Fuse attaches to the blower wheel housing. It must be replaced when there is no longer continuity between the terminals. This is a one-time Thermal Fuse, meaning it cannot be re-set. The replacement part features Same current and temperature characteristics.
Uses of thermal fuses:
Coil products: transformers, motors, chargers Network communication equipment: routers, switches Home appliances: TVs, AC, washing machines Audio-visual equipment: cameras, monitors, DVDs Office equipment: computers, printers, copiers Information electronic products: mobile phones, PDAs.
Current characteristics
SD&TD series: 10A/15A
PD&QD series: 20A/25A
TS series: 100A
PD&QD Thermal Fuse series
 10A/15A thermal fuse |  Thermal fuse for rice cooker and dryer | Dimensions(mm)
|
| Model NO. | Tf (℃) | Fuse-Temp(℃) | TH(℃) | TM (℃) | Ir (A) | Ur (V) | RoHS |
| PD102 | 102 | 98±2 | 66 | 160 | 20 | 125DC | ▲ |
| PD115 | 115 | 111±2 | 82 | ▲ | |||
| PD125 | 125 | 121±2 | 90 | ▲ | |||
| PD130 | 130 | 125±2 | 97 | ▲ | |||
| PD136 | 136 | 131±2 | 102 | ▲ | |||
| PD150 | 150 | 145±2 | 117 | ▲ | |||
| QD102 | 102 | 98±2 | 66 | 160 | 25 | 125DC | ▲ |
| QD115 | 115 | 111±2 | 82 | ▲ | |||
| QD125 | 125 | 121±2 | 90 | ▲ | |||
| QD130 | 130 | 125±2 | 97 | ▲ | |||
| QD136 | 136 | 131±2 | 102 | ▲ | |||
| QD150 | 150 | 145±2 | 117 | ▲ | |||
PD&QD Thermal Fuse series
 High current thermal fuse |  Thermal cut-off of high current | Dimensions(mm)
|
| Model NO. | Tf (℃) | Fuse-Temp(℃) | TH(℃) | TM (℃) | Ir (A) | Ur (V) | RoHS |
| PD102 | 102 | 98±2 | 66 | 160 | 20 | 125DC | ▲ |
| PD115 | 115 | 111±2 | 82 | ▲ | |||
| PD125 | 125 | 121±2 | 90 | ▲ | |||
| PD130 | 130 | 125±2 | 97 | ▲ | |||
| PD136 | 136 | 131±2 | 102 | ▲ | |||
| PD150 | 150 | 145±2 | 117 | ▲ | |||
| QD102 | 102 | 98±2 | 66 | 160 | 25 | 125DC | ▲ |
| QD115 | 115 | 111±2 | 82 | ▲ | |||
| QD125 | 125 | 121±2 | 90 | ▲ | |||
| QD130 | 130 | 125±2 | 97 | ▲ | |||
| QD136 | 136 | 131±2 | 102 | ▲ | |||
| QD150 | 150 | 145±2 | 117 | ▲ | |||
TS series Thermal Fuse
 Customized thermal fuse | Dimensions(mm)  Thermal Fuse Size |
| Model | Tf (℃) | Fuse-Temp (℃) | TH (℃) | TM (℃) | *Imax 8/20us (1 time) | Ir (A) | Ur (V) | RoHS |
| TS102 | 102 | 99±2 | 61 | 180 | 100KA | 80 | 250(AC) | ▲ |
| 100 | 125(AC) | ▲ | ||||||
| 100 | 100(DC) | ▲ | ||||||
| TS115 | 115 | 112±2 | 74 | 180 | 100KA | 80 | 250(AC) | ▲ |
| 100 | 125(AC) | ▲ | ||||||
| 100 | 100(DC) | ▲ | ||||||
| TS123 | 123 | 118±2 | 82 | 180 | 100KA | 80 | 250(AC) | ▲ |
| 100 | 125(AC) | ▲ | ||||||
| 100 | 100(DC) | ▲ | ||||||
| TS125 | 125 | 122±2 | 84 | 180 | 100KA | 80 | 250(AC) | ▲ |
| 100 | 125(AC) | ▲ | ||||||
| 100 | 100(DC) | ▲ | ||||||
| TS130 | 130 | 126±2 | 88 | 180 | 100KA | 80 | 250(AC) | ▲ |
| 100 | 125(AC) | ▲ | ||||||
| 100 | 100(DC) | ▲ | ||||||
| TS136 | 136 | 132±2 | 94 | 180 | 100KA | 80 | 250(AC) | ▲ |
| 100 | 125(AC) | ▲ | ||||||
| 100 | 100(DC) | ▲ | ||||||
| TS150 | 150 | 146±2 | 108 | 180 | 100KA | 80 | 250(AC) | ▲ |
| 100 | 125(AC) | ▲ | ||||||
| 100 | 100(DC) | ▲ |
 rice cooker thermal fuse |  dryer thermal fuse |  electric fan thermal fuse |
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LEAO, DYE, Panasonic, SWC Limiter thermal fuse
The melt material used in LEAO, DYE, Panasonic, SWC thermal fuses plays a vital role in the performance of thermal fuses and is one of the core components of the entire device. According to the characteristics of the melt material, we can divide them into two categories: low melting point and high melting point.
thermal fuse and circuit breaker cutoff temperature
They are the same in that they can achieve short circuit protection. The principle of a thermal fuse is to use a current flowing through a conductor to cause the conductor to heat up. When the melting point of the conductor is reached, the conductor is melted so that the circuit-protected electrical appliances and lines are not burned.