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SP1848-27145 Power Generation Peltier

K-TECHNICS
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KSh700.00

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The SP1848-27145 is a bismuth telluride (Bi₂Te₃) Thermoelectric Generator (TEG) containing 127 semiconductor pairs connected electrically in series to harvest electricity via the Seebeck effect. 
Advanced Electrical & Mechanical Data
  • Peak Power: ~3.2 W into a matched load at a 100°C temperature difference (Δ T).
  • Internal Resistance (\(R_{in}\)): 1.5 Ω to 1.8 Ω. For maximum power transfer, match your load resistance to \(R_{in}\).
  • Efficiency: 1% to 3% thermal-to-electrical energy conversion.
  • Clamping Force: Requires 150 to 200 PSI of even mechanical pressure to minimize thermal contact resistance.
  • Thermal Stress: Do not use rigid glue; uneven thermal expansion between the hot and cold ceramic plates can crack internal solder joints.
Array Wiring Options
  • Series (Red to Black): Multiplies output voltage to easily trigger the startup threshold of DC-DC boost converters.
  • Parallel (Red to Red): Multiplies output current for high-amperage needs when a vast, stable heat source is present.

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