SP1848 TEG Module Thermoelectric Power Generator
Inhouse product
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The SP1848 TEG Module is a compact thermoelectric generator designed to convert heat into usable electrical power. It works by using the temperature difference between its two sides to generate voltage, making it a great choice for low-power energy harvesting projects. This module is popular among hobbyists, students and engineers who want to experiment with off-grid power generation, sensor powering or eco-friendly DIY devices.
You can pair it with a heat source such as a candle, stove, hot metal surface or hot water container. When one side is heated and the other side stays cool, the module produces a stable DC output. It’s a simple and reliable way to learn how thermoelectric power generation works.
Specifications:
| Feature | Details |
|---|---|
| Model | SP1848-27145 |
| Type | Thermoelectric Power Generator (TEG) |
| Operating Voltage | 3 V to 5 V DC (typical) |
| Maximum Output Voltage | Up to 5.5 V (with proper temperature difference) |
| Maximum Output Power | 2.5 W (approx., depends on ΔT) |
| Internal Resistance | 3.5 Ω to 4.5 Ω |
| Operating Temperature | Up to 200°C (recommended under 180°C for long life) |
| Dimensions | 40 × 40 × 3.4 mm |
| Material | Bi-Te semiconductor |
| Wire Length | Standard short wires attached |
| Efficiency | Depends on hot/cold temperature difference |
Key Features:
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Generates power using heat difference
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Suitable for DIY projects, sensor powering and small electronics
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No battery required
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Lightweight and compact
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Reliable and maintenance-free
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Ideal for STEM learning and prototyping
Applications:
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Renewable energy experiments
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Sensor and microcontroller powering
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Outdoor and off-grid electronics
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Educational projects
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Heat-to-electricity demonstrations
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Survival or emergency power setups
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