Description
Here is a clear and organized product description for the TES1-4905 Mini Thermoelectric Peltier Cooler Module.
Product Overview
The TES1-4905 is a miniature, solid-state thermoelectric cooling (TEC) module that utilizes the Peltier effect to create a sharp temperature differential between its two sides. When DC voltage is applied, heat moves from one side to the other, making one side intensely cold while the other side gets hot.
Measuring just 20mm x 20mm, this ultra-compact module is perfect for precise localized cooling in tight spaces where traditional fans or bulky heatsinks won’t fit.
Technical Specifications
| Parameter | Specification |
| Model | TES1-4905 |
| Dimensions | $20\text{mm} \times 20\text{mm} \times 3.5\text{mm}$ (approx.) |
| Couples (P-N Junctions) | 49 |
| Max Current ($I_{max}$) | 5A |
| Max Voltage ($V_{max}$) | ~6.0V DC (Typically operated around 5V) |
| Max Cooling Power ($Q_{max}$) | ~18W to 22W (Depending on ΔT) |
| Max Temperature Difference ($\Delta T_{max}$) | $\ge 65^\circ\text{C}$ |
| Wire Lead Length | ~150mm (typically insulated wires) |
Key Features
-
Ultra-Compact Footprint: At just 2cm x 2cm, it easily integrates into small electronic enclosures, portable devices, and laboratory instruments.
-
Precise Temperature Control: By simply reversing the polarity of the DC current, you can instantly switch the module from cooling to heating, allowing for highly accurate temperature regulation.
-
Solid-State Reliability: With no moving parts, these modules are completely silent, vibration-free, and boast an incredibly long operational lifespan.
-
Eco-Friendly: Operates purely on electricity without the need for harmful refrigerants or greenhouse gases.
Common Applications
-
Electronics & Laser Diode Cooling: Keeps high-power LEDs, laser diodes, and sensitive microprocessors from overheating.
-
Portable Mini-Coolers: Ideal for DIY projects like compact beverage chillers, mini-refrigerators, or portable medical transport boxes.
-
Scientific & Medical Equipment: Used in laboratory testing setups, PCR thermal cyclers, and CCD camera sensor cooling to reduce thermal noise.

Reviews
There are no reviews yet.