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Refrigeration chip TES1-1270430*30MM new semiconductor thermoelectric refrigerator

discount 70% in 2018-10-20 to 2018-10-22
price: USD$ 16.20
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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Chip model: TES1-12704

Size: 30*30*3.2mm element logarithmic 127 pairs

Wire specification: lead length 250 + 8mmRV standard wire single head 5mm tin plating

Internal resistance: 2.5~2.7 (ambient temperature 23 + 1, 1kHZAc test)

Large temperature difference: more than 62 degrees Celsius

Operating current: Imax=3.2A (4A at high voltage 15.5V)

Rated voltage: DC12V (large voltage: 15.5V)

Cooling power: 38W (cooling surface temperature is too high will reduce the cooling power)

Assembly pressure: 85N/cm2

Working environment: temperature range of -55 ~ 83 C (excessive ambient temperature will directly affect the cooling efficiency)

Packaging technology: four standard 704 silicone rubber seal

Packaging standard: foam box packaging, storage conditions, ambient temperature -10 ~ 40 C

Storage conditions: -40~60 C

Power supply requirements: single voltage 12V, current 4A or more power supply (can be used in series and parallel)

Device characteristics: red line (cathode, anode is literally cool, not literally radiating surface)

Notes on device operation:When the power supply is connected to the 12 volt power supply, the temperature difference between the two sides of the cooling plate will appear. One side is cold and the other is hot. Never let the cooler operate for a long time without the radiator. Otherwise, it will cause the internal heat of the cooler to burn out.