High‑quality TEC1‑12706 thermoelectric cooler 40*40mm, TEC Cooling System, TEC Cooling System module, TEC thermoelectric cooling system, high power & compact industrial TEC cooling system for industrial chiller, laser cooling, medical equipment and semiconductor temperature control. We are reliable TEC cooling system supplier, support wholesale thermoelectric refrigeration TEC cooling system, OEM & custom TEC thermoelectric cooling system. 🟧 Price List Contact Customer Service 🟦 Product PDF Spec Contact Customer Service ⬜ Certifications 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
🔷Product Drawing

🔷Basic Performance Spec
| Product Model | Chip | Max Temp Difference | Internal Resistance | Max Voltage | Max Current | Max Power | Dimensions |
|---|---|---|---|---|---|---|---|
| Type mode | In APE | ΔTmax (°C) | ACR (Ω) | Umax (V) | Imax (A) | Pmax (W) | Size (mm) |
| TEC1-12706 | K10 | 60 | 40×40×3.4 | ||||
| K14 | 65 | 1.98 | 15.2 | 6 | 91 | 40×40×3.8 | |
| K18 | 70 | 40×40×4.2 |
🔷 Additional Performance Spec
| Item | Specification |
|---|---|
| Substrate | 96% Alumina 0.76mm + Oxygen‑free Copper 0.4mm (sintered process) |
| Lead Wire | Super‑soft silicone wire 20AWG / L=200mm |
| Terminal | Standard product without terminal (can be installed upon request) |
| Assembly Pressure | 4kg (0.25kg/cm²) |
| Packaging Standard | Polystyrene (PS) foam box |
| Sealing Compound | 704 silicone rubber sealant |
| Maximum Temperature Resistance | Bismuth‑tin eco‑friendly solder, melting point 138°C |
| Storage Environment | Temperature <120°C, Humidity <60% Rh |
🔷 Performance Curve

🔷 Product Overview
Our TEC1‑12706 Thermoelectric Cooler 40*40mm is a widely‑used high‑power Peltier element, also known as core component of TEC Cooling System module and TEC thermoelectric cooling system. Made of high‑grade bismuth‑telluride semiconductor material, this compact TEC thermoelectric cooling system delivers stable solid‑state heat transfer without refrigerant, noise‑free and vibration‑free.
It is a cost‑effective thermal control core for industrial‑grade TEC cooling system, perfect for building small‑scale thermoelectric refrigeration TEC cooling system. As a trusted TEC cooling system supplier, we supply wholesale thermoelectric cooler and accept OEM TEC cooling system, custom TEC thermoelectric cooling system orders.
🔷Product Applications
✅ TEC cooling system for industrial chiller — small industrial water chillers, liquid cooling equipment
✅ TEC cooling system for laser cooling — laser module, laser diode temperature control
✅ Semiconductor temperature control — CPU cooling, electronic component thermal management
✅ Thermoelectric refrigeration — mini refrigerator, portable cooler box, beverage chiller
🔷 Product Structure

🔷Operation Principle
This thermoelectric cooler works on the Peltier effect. Once DC current flows through the TEC chip, one ceramic face absorbs heat (cold side), the other side releases heat (hot side). With matched heat dissipation, the unit achieves reliable active cooling. It is the core thermoelectric component to build a TEC thermoelectric cooling system for accurate temperature management.
🔷FAQ
Q1: Can this TEC1‑12706 40*40mm be used to build a high power TEC cooling system?
A1: Yes, TEC1‑12706 is a 6A high‑current peltier chip, it is widely selected as the core for small‑to‑medium high‑power TEC cooling system. A proper heat‑sink and fan is required for best cooling performance.
Q2: Do you work as TEC cooling system supplier for OEM and custom‑made projects?
A2: Absolutely. We provide wholesale thermoelectric cooler chips, OEM TEC cooling system service and custom TEC thermoelectric cooling system solution according to your drawings and technical specifications.
Q3: Is this 40×40mm peltier suitable for TEC cooling system for laser cooling and medical equipment?
A3: Yes, many customers integrate TEC1‑12706 into TEC cooling system for laser cooling, medical analyzer and semiconductor temperature control applications
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