Buy TEC12708 thermoelectric cooler 40*40 peltier module. View product drawing, basic & additional performance spec, performance curve. Request product pdf spec datasheet via customer service contact, support OEM & wholesale bulk order.* 🟧 Price List Contact Customer Service 🟦 Product 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 | ▲Tmax(°C) | ACR (Ω) | Umax (V) | Imax (A) | Pmax (W) | Size (mm) |
| TEC1-12708 | K10 | 60 | 1.48 | 15.2 | 8 | 122 | 40×40×3.4 |
| K12 | 65 | 40×40×3.6 | |||||
| K14 | 70 | 40×40×3.8 |
🔷 Additional Performance Spec
| Specification Item | Details |
|---|---|
| Substrate Specification | 96% alumina (0.76 mm) + oxygen-free copper (0.4 mm), sintered process |
| Lead Wire Specification | Extra-soft silicone wire, 18 AWG, length = 200 mm |
| Terminal Specification | Standard product without terminals (terminals can be added upon request) |
| Assembly Pressure | 4 kg (0.25 kg/cm²) |
| Packaging Standard | Polystyrene (PS) foam box packaging |
| Sealing Material | 704 silicone rubber sealant |
| Maximum Temperature Resistance | Bismuth-tin lead-free solder, melting point 138°C |
| Storage Environment | Temperature < 120°C, Humidity < 60% Rh |
🔷 Performance Curve

🔷 Product Overview
TEC12708 thermoelectric cooler 4040 is a standard peltier cooling element with 40×40mm dimension. It adopts semiconductor thermoelectric conversion technology, no refrigerant, compact solid‑state cooling structure. If you need full product spec pdf for industrial component inquiry, please contact customer service.
🔷 Product Features
🔷Product Applications
Our TEC12708 thermoelectric cooler 4040 widely applies in laser cooling, small industrial chiller, lab equipment temperature control, medical instrument cooling, analytical instrument semiconductor temperature control. Wholesale buyer get product spec pdf contact customer service for project reference.
🔷 Product Structure
The thermoelectric cooler consists of ceramic substrate, thermoelectric grain, conductive copper sheet and welding layer. Check complete datasheet pdf contact customer service to view layer‑by‑layer structure description.
🔷Operation Principle/ Work Principle
Based on Peltier effect: when DC current passes through thermoelectric module, one side absorbs heat for cooling and the other side releases heat. Reverse current will swap cooling and heating side. Request product datasheet pdf by customer service contact for deeper principle description.
🔷FAQ
Q1: Where can I download product pdf spec for TEC12708 thermoelectric cooler 4040?
A1: Please contact our customer service contact, we will send you product pdf spec datasheet and specification sheet.
Q2: Can I get technical parameter pdf for simulation work?
A2: Yes, send your requirement to customer service contact, complete datasheet pdf will be provided for your industrial component inquiry.
Q3: Do you support OEM TEC module and bulk order?
A3: Yes. OEM request product pdf spec contact customer service. Wholesale buyer & bulk order clients can get customized technical pdf spec.
Q4: Is the drawing included inside the pdf file?
A4: Full product spec pdf includes product drawing, performance curve and all‑range parameter data, contact customer service to get this file.
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🟧 Price List Contact Customer Service 🟦 Product 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
Yanghai Technology has been deeply rooted in the thermoelectric cooling industry for over a decade. As a comprehensive enterprise integrating R&D, manufacturing, sales, and service, the company places technological innovation at its core and continuously advances into cutting-edge industry applications.
We provide global customers with highly reliable, cost-effective thermoelectric cooling products and solutions, and are committed to becoming a trusted partner in the industry.