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R120.00
The Thermoelectric Generator SP1848-27145 converts heat into electricity, perfect for low-power applications like small electronics and sensors.
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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.
Package Contentss:
1 x Thermoelectric chip
| Weight | 0.1 kg |
|---|---|
| Dimensions | 7 × 7 × 1 cm |
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