The TEC1-07103 is a semiconductor cooling module with standard dimensions of 30x30mm. It features a low-current design of 3A, with a maximum temperature difference of approximately 65–68°C and a cooling capacity of approximately 15–18W. 🟧 Price List Contact Customer Service 🟦 Certifications Contact Customer Service ⬜ Product PDF Spec Contact Customer Service 🟪 Contact customer Contact Customer Service 🟨 MOQ:1 Pcs 🟥 Fast Delivery:2-15 Days 🟩 Source Factory:Online Factory Video 🟫 Multiple Payment Methods:T/T|PayPal|Alipay ⬛ Pre|After Service:+86 13377785035|xyy@kkg.tw
🔷Thermoelectric Generator Product Drawing

🔷Cooler with Peltier Basic Performance Spec
| Type Model | Chip | ΔTmax (°C) | ACR (Ω) | Umax (V) | Imax (A) | Pmax (W) | Size (mm) |
|---|---|---|---|---|---|---|---|
| TEC1-07103 | K12 | 60 | 2.21 | 8.5 | 3 | 26 | 30×30×3.6 |
| TEC1-07103 | K24 | 65 | 2.21 | 8.5 | 3 | 26 | 30×30×4.8 |
| TEC1-07103 | K36 | 70 | 2.21 | 8.5 | 3 | 26 | 30×30×6.0 |
🔷Semiconductor Cooler Additional Performance Spec
| Parameter | Specification |
|---|---|
| Substrate | 96% alumina 0.76mm + oxygen‑free copper 0.4mm, sintered process |
| Lead Wire | Ultra‑soft silicone wire, 22 AWG, L=200mm |
| Terminals | Not included as standard; can be installed upon request |
| Mounting Pressure | 2.3 kg (0.25 kg/cm²) |
| Packaging | Polystyrene (PS) foam box |
| Sealant | 704 silicone rubber |
| Max. Temperature Resistance | Tin‑lead solder, melting point 138°C |
| Storage Conditions | Temperature < 120°C, Humidity < 60% RH |
🔷Thermoelectric Peltier Device Performance Curve

🔷Peltier Heater Product Overview
The TEC1-07103 is a semiconductor cooling module with standard dimensions of 30x30mm. It features a low-current design of 3A, with a maximum temperature difference of approximately 65–68°C and a cooling capacity of approximately 15–18W. This product is noise-free, vibration-free, and maintenance-free. It can switch between cooling and heating modes by reversing the current direction, making it suitable for low-power, precision temperature control applications such as beauty devices, portable mini-refrigerators, and medical equipment.
🔷Peltiers Product Structure

The TEC1-04902 is a 30x30mm standard-size semiconductor cooling module designed for a low current of 2.2A, with a maximum temperature difference of approximately 65–70°C and a cooling capacity of approximately 8–10W. 🟧 Price List Contact Customer Service 🟦 Certifications Contact Customer Service ⬜ Product PDF Spec Contact Customer Service 🟪 Contact customer Contact Customer Service 🟨 MOQ:1 Pcs 🟥 Fast Delivery:2-15 Days 🟩 Source Factory:Online Factory Video 🟫 Multiple Payment Methods:T/T|PayPal|Alipay ⬛ Pre|After Service:+86 13377785035|xyy@kkg.tw
The TEC1-04903 is a 30x30mm standard-size semiconductor cooling module designed for a low current of 3A, with a maximum temperature difference of approximately 65–70°C and a cooling capacity of approximately 12–15W. 🟧 Price List Contact Customer Service 🟦 Certifications Contact Customer Service ⬜ Product PDF Spec Contact Customer Service 🟪 Contact customer Contact Customer Service 🟨 MOQ:1 Pcs 🟥 Fast Delivery:2-15 Days 🟩 Source Factory:Online Factory Video 🟫 Multiple Payment Methods:T/T|PayPal|Alipay ⬛ Pre|After Service:+86 13377785035|xyy@kkg.tw
The TEC1-04904 is a standard 30x30mm semiconductor cooling module designed for a 4A current, with a maximum temperature difference of approximately 65–70°C and a cooling capacity of approximately 15–18W. 🟧 Price List Contact Customer Service 🟦 Certifications Contact Customer Service ⬜ Product PDF Spec Contact Customer Service 🟪 Contact customer Contact Customer Service 🟨 MOQ:1 Pcs 🟥 Fast Delivery:2-15 Days 🟩 Source Factory:Online Factory Video 🟫 Multiple Payment Methods:T/T|PayPal|Alipay ⬛ Pre|After Service:+86 13377785035|xyy@kkg.tw
The TEC1-04905 is a 30x30mm standard-size semiconductor cooling module designed for a 5A current, with a maximum temperature difference of approximately 65–70°C and a cooling capacity of approximately 20–25W. 🟧 Price List Contact Customer Service 🟦 Certifications Contact Customer Service ⬜ Product PDF Spec Contact Customer Service 🟪 Contact customer Contact Customer Service 🟨 MOQ:1 Pcs 🟥 Fast Delivery:2-15 Days 🟩 Source Factory:Online Factory Video 🟫 Multiple Payment Methods:T/T|PayPal|Alipay ⬛ Pre|After Service:+86 13377785035|xyy@kkg.tw
The TEC1-04906 is a 30x30mm standard-size semiconductor cooling module designed for a 6A current, with a maximum temperature difference of approximately 65–70°C and a cooling capacity of approximately 25–30W. 🟧 Price List Contact Customer Service 🟦 Certifications Contact Customer Service ⬜ Product PDF Spec Contact Customer Service 🟪 Contact customer Contact Customer Service 🟨 MOQ:1 Pcs 🟥 Fast Delivery:2-15 Days 🟩 Source Factory:Online Factory Video 🟫 Multiple Payment Methods:T/T|PayPal|Alipay ⬛ Pre|After Service:+86 13377785035|xyy@kkg.tw
The TEC1-04908 is a 30x30mm standard-size semiconductor cooling module designed for an 8A current, with a maximum temperature difference of approximately 65–70°C and a cooling capacity of approximately 35–40W. 🟧 Price List Contact Customer Service 🟦 Certifications Contact Customer Service ⬜ Product PDF Spec Contact Customer Service 🟪 Contact customer Contact Customer Service 🟨 MOQ:1 Pcs 🟥 Fast Delivery:2-15 Days 🟩 Source Factory:Online Factory Video 🟫 Multiple Payment Methods:T/T|PayPal|Alipay ⬛ Pre|After Service:+86 13377785035|xyy@kkg.tw
The TEC1-04910 is a 30x30mm standard-size semiconductor cooling module designed for high current (10A), with a maximum temperature difference of approximately 65–70°C and a cooling capacity of approximately 40–45W. 🟧 Price List Contact Customer Service 🟦 Certifications Contact Customer Service ⬜ Product PDF Spec Contact Customer Service 🟪 Contact customer Contact Customer Service 🟨 MOQ:1 Pcs 🟥 Fast Delivery:2-15 Days 🟩 Source Factory:Online Factory Video 🟫 Multiple Payment Methods:T/T|PayPal|Alipay ⬛ Pre|After Service:+86 13377785035|xyy@kkg.tw
The TEC1-04912 is a 30x30mm standard-size semiconductor cooling module designed for high current (12A), with a maximum temperature difference of approximately 65–70°C and a cooling capacity of up to approximately 45–50W. 🟧 Price List Contact Customer Service 🟦 Certifications Contact Customer Service ⬜ Product PDF Spec Contact Customer Service 🟪 Contact customer Contact Customer Service 🟨 MOQ:1 Pcs 🟥 Fast Delivery:2-15 Days 🟩 Source Factory:Online Factory Video 🟫 Multiple Payment Methods:T/T|PayPal|Alipay ⬛ Pre|After Service:+86 13377785035|xyy@kkg.tw