Overview
The TEC1-01708S is a premium, miniature thermoelectric cooler designed for durability and precision. By utilizing the Peltier effect, this module creates a temperature differential between its two surfaces using a DC current. The Sealed (S) design protects the internal semiconductor elements from corrosion caused by condensation, making it ideal for sub-ambient cooling where “sweating” is common. Its small size ($15 \times 15$ mm or $20 \times 20$ mm) makes it a favorite for cooling high-power LEDs, laser diodes, and specialized computer chips.
Key Features
Industrial Silicone Seal: Moisture-proof edges prevent short circuits and extend the module’s lifespan in humid conditions.
Compact & Powerful: High current density (8A) in a tiny footprint for concentrated heat removal.
Vibration-Free: Solid-state technology ensures silent operation and zero mechanical wear.
Precision Control: When paired with a PWM controller, it allows for extremely accurate temperature stabilization.
Reversible Operation: Effortlessly switch between cooling and heating by reversing the input polarity.
Technical Specifications
| Feature | Specification |
| Model | TEC1-01708S (Sealed) |
| Dimensions | Approx. 15mm x 15mm (or 20x20mm variant) |
| Imax (Max Current) | 8.0 Amperes |
| Vmax (Max Voltage) | 2.1V to 2.5V DC |
| Qmax (Cooling Power) | ~12 – 15 Watts |
| Sealing Material | Silicone RTV / Epoxy |
| Operating Temp | -55°C to +80°C |
Why “S” (Sealed) is Better?
In standard Peltiers, condensation (water droplets) can form inside the module as it gets cold. This water eventually corrodes the internal copper bridges. The TEC1-01708S eliminates this risk with its waterproof perimeter, ensuring your project runs reliably for years, even in the humid climates of Karachi or during the monsoon season.
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