The TEC1-04904 is a 25×25mm 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
🔷Peltier Device Cooler Product Drawing

🔷Peltier Module Cooler Basic Performance Spec
| Type Model | Chip | ΔTmax (°C) | R (Ω) | Umax (V) | Imax (A) | Pmax (W) | Size (mm) |
|---|---|---|---|---|---|---|---|
| TEC1-04904 | K10 | 60 | 1.13 | 5.8 | 4 | 23 | 25×25×3.4 |
| TEC1-04904 | K18 | 65 | 1.13 | 5.8 | 4 | 23 | 25×25×4.2 |
| TEC1-04904 | K26 | 70 | 1.13 | 5.8 | 4 | 23 | 25×25×5.0 |
🔷Peltiers Additional Performance Spec
| Parameter | Specification |
|---|---|
| Substrate | 96% alumina 0.76mm + oxygen‑free copper 0.4mm, sintered process |
| Lead Wire | Silicone wire, 24 AWG, L=100mm |
| Terminals | Not included as standard; can be installed upon request |
| Mounting Pressure | 1.5 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 Device Product Overview
The TEC1-04904 is a 25×25mm 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. This product is noise-free, vibration-free, and maintenance-free; it can switch between cooling and heating modes by reversing the current direction. With stable and reliable performance, it is suitable for low-power, precision temperature control applications such as beauty devices, medical equipment, and precision instruments.
🔷Thermoelectric Module Product Features
⚙️ Key Performance Features
Stable Electrical Parameters: Designed for a 4A current, with a maximum voltage of 5.8V and a maximum power of approximately 23W. The clear electrical specifications facilitate circuit design.
Robust Temperature Control Capabilities: The maximum temperature difference (ΔTmax) can reach 65–70°C, meeting a wide range of needs from portable cooling to precise temperature control.
Compact 25×25mm Package: Features a standard square package with thickness varying based on the internal chip configuration, making it easy to integrate into space-constrained designs.
💡 Application and User Experience Features
Plug-and-play with precise temperature control: As a solid-state device, it is noise-free, vibration-free, and maintenance-free, and allows for precise temperature control by adjusting the current.
Flexible switching for dual functionality: By reversing the current direction, you can seamlessly switch between cooling and heating modes.
Reliability Certified by National Military Standards: It has been certified to the National Military Standard (SJ 20441-1994), meaning its performance, quality, and reliability have been rigorously tested for military applications. It is not a new consumer-grade product, but a time-tested, mature solution found in many professional devices that require long-term stability.
The TEC1-04901 is a 25×25mm ultra-low-power semiconductor cooling module (Peltier device) designed for extremely low current consumption (1.4A), specifically engineered for micro-power precision temperature control applications where power consumption and space are critical considerations. 🟧 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 TEC1-04902 is a 25×25mm 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 25×25mm 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 TEC1-04905 is a 25×25mm 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 25×25mm 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 25×25mm 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 25x25mm semiconductor cooling module designed for high current (10A) operation, with a maximum temperature difference of approximately 65–70°C and a cooling capacity of approximately 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 TEC1-07101 is a 25x25mm semiconductor cooling module designed for ultra-low current operation at 1.4A, 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