Thermoelectric Generator SP1848-27145

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Product Description

Thermoelectric Generator SP1848-27145 40*40MM High Thermal Conductivity For Industrial Equipment Heat Energy Conversion Power (10003472)

The output power in thermoelectric performance test:

Temperature difference/℃
Resistance 20 30 40 50 60 80
2 0.0459 0.099 0.1866 0.2548 0.4507 0.5999
3 0.0508 0.1033 0.2067 0.2808 0.4988 0.681
5 0.0441 0.1033 0.2028 0.2737 0.4836 0.6811
7 0.0386 0.0916 0.1846 0.2607 0.4528 0.6474


Output power under variable load:

Temperature difference/℃ Resistance
0.5 1 1.5 2 2.5 3
20 0.0227 0.0342 0.0405 0.0459 0.0455 0.0508
30 0.0499 0.0756 0.0895 0.099 0.104 0.1033
40 0.0916 0.1417 0.169 0.1866 0.201 0.2067
Temperature difference/℃ Resistance
5 6 7 8 9 10
20 0.0441 0.042 0.0386 0.04 0.0356 0.0369
30 0.1033 0.103 0.0916 0.0872 0.0819 0.0846
40 0.2028 0.1962 0.1846 0.1683 0.1621 0.1526


Output power under variable load conditions:

Cold end/℃
Hot end/℃ 10 20 30 40
30 0.078192
40 0.178462 0.089086
50 0.32891 0.18813 0.064986 0.023112
60 0.500059 0.326759 0.157332 0.081107
70 0.738641 0.508002 0.298401 0.186028
80 1.007529 0.724403 0.493534 0.308973
90 1.32805 0.993603 0.7091 0.476235
100 1.64804 1.312761 0.97671 0.692804
110 2.102329 1.624719 1.247846 0.958769
120 2.517268 1.954394 1.599027 1.22758
130 2.992686 2.32714 1.947085 1.550767
140 3.417593 2.726115 2.297209 1.984817

 

Note:

The experimental data in this group uses a matching resistance of 4.21 ohms to achieve maximum output power.

The side with words is cooling, and the side without words is heat dissipation.

SP1848-27145 parameters are as follows:

Temperature difference of 20 degrees: open circuit voltage 0.97V, generating current: 225MA

Temperature difference of 40 degrees: open circuit voltage 1.8V, generating current: 368MA

Temperature difference of 60 degrees: open circuit voltage 2.4V, generating current: 469MA

Temperature difference of 80 degrees: open circuit voltage 3.6V, generating current: 558MA

Temperature difference of 100 degrees: open circuit voltage 4.8V, generating current: 669MA

The above values are for reference only. There will be loss of current when wiring and booster board in actual use.

Because this product is one piece and a ceramic body, it transfers heat very quickly. The temperature difference between the cold and hot ends needs to be studied and controlled.

Thermoelectric parameters:
Thermoelectromotive force (a): ＞190×μV/℃
Conductivity (σ): 850～1250Ω-1.cm-1
Thermal conductivity (K): 15～16×10-3-W/℃cm
Merit value (Z): 2.5～3.0×10-3W/℃

Package Contentss:

1 x Thermoelectric chip

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