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The TEC1-12705 (40×40 mm) semiconductor cooling module, with its 12V/5A power rating, 40W cooling capacity, ±0.1°C temperature control accuracy, and standard 40×40 mm dimensions, has become the mainstream solution for temperature control of core components such as lasers, infrared devices, CCDs, and LEDs in optoelectronic equipment. 🟧 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
The TEC1-12705 (40×40 mm) semiconductor cooling module, with its 12V/5A power rating, 40W cooling capacity, ±0.1°C temperature control accuracy, and standard 40×40 mm dimensions, has become the mainstream solution for temperature control of core components such as lasers, infrared devices, CCDs, and LEDs in optoelectronic equipment.
Here are a few typical examples of semiconductor cooling chips in the optoelectronics field：
Temperature Control for Laser Diode (LD) Modules (Fiber Optics / Industrial Lasers)
Key Requirements: Stable wavelength, suppression of red shift, extended lifespan, and guaranteed power consistency.
Thermoelectric Cooler Module's Application Scenarios:
Fiber Optic Communications: DFB/FP lasers, optical transceiver modules (TOSA)
Industrial Marking: Infrared/green-pumped lasers, compact pulsed lasers
Medical Lasers: Low-level laser therapy, laser heads for aesthetic devices
TEC1-12705 Thermoelectric Peltier Solution:
Structure: Cold end attached to laser tube holder / heat sink; hot end equipped with 40×40mm aluminum fins + fan
Temperature Control: Utilizes NTC thermistors and PID control for **25°C ± 0.1°C** constant temperature
Results: Wavelength drift controlled within 0.1 nm/°C; continuous operating lifespan increased by 3–5 times
Typical Application of Thermoelectric Cooling System:
A 1064 nm infrared laser marking machine utilizing a single TEC1-12705 for cooling maintains the laser chip temperature at 25.0°C. Even at an ambient temperature of 40°C, it maintains stable wavelength accuracy and output power, with no drift observed over 8 hours of continuous operation.
Infrared (IR) Detectors and Thermal Imager Cooling (Security / Industrial Inspection)
Core Requirements: Reduce thermal noise, improve sensitivity, and ensure temperature measurement accuracy.
TEC Module's Application Scenarios:
Uncooled infrared thermal imagers (security, industrial temperature measurement)
Infrared gas analyzers (CO₂, VOCs)
Infrared temperature probes (medical / industrial)
TEC1-12705 Element Peltier Solution:
Deep cooling: Lowers the detector from room temperature to 10–15°C, with a temperature difference of 30–40K
Structure: 40×40mm TEC bonded to the detector’s Dewar flask / ceramic substrate; hot end features a heat spreader + heat dissipation module
Advantages: Vibration-free, noise-free, compact size; suitable for handheld/portable thermal imagers
Typical Application of Peltier Cooling Element:
An industrial infrared thermometer (accuracy ±0.5°C) incorporates the TEC1-12705 to maintain the infrared sensor at a constant 15°C, ensuring stable response in environments ranging from -10°C to 50°C and reducing thermal noise by 60%.
Optical Modules and Communication Components (5G / Data Centers)
Key Requirements: Stable wavelength, reduced bit error rate, and guaranteed high-speed transmission.
TEC Peltier's Application Scenarios:
10G/25G/100G optical modules
Wavelength Division Multiplexing (WDM) Components
Optical Amplifiers (EDFA)
TEC1-12705 TEC Cooling System Solution:
Structure: Built-in 40×40mm TEC, integrated with TO-CAN/BOX packaging
Temperature Control: Precision temperature control at 25°C ±0.5°C
Advantages: Ultra-thin (3.8mm), low power consumption, high reliability
Typical Application of Thermoelectric Cooling Device:
A 100G CWDM4 optical module in a data center uses the TEC1-12705 to maintain the laser at a constant temperature of 25°C, with wavelength stability <0.05 nm/°C, meeting the requirements for industrial-grade applications in the -40°C to 85°C temperature range.
Temperature Control for High-Power LEDs and Projection Systems (Display / Lighting)
Key Requirements: Mitigate lumen depreciation, stabilize color temperature, and extend service life.
Peltier Heater's Application Scenarios:
Projection light sources (RGB LEDs, laser projectors)
Stage lighting, automotive headlights
UV LED curing, industrial lighting
TEC1-12705 Thermoelectric Cooling Element Solution:
Heat Dissipation: Cold side attached to LED substrate; hot side features 40×40mm fins + fan
Temperature Control: **60–70°C** constant temperature to prevent excessive junction temperature
Results: Lumen depreciation reduced by 50%+, lifespan extended from 2,000 hours to 10,000+ hours
Typical Case of Thermo Cooler:
A micro DLP projector (100 lm LED) using the TEC1-12705 to maintain a temperature of 65°C showed a color temperature drift of <50K over 4 continuous hours, with no significant decline in brightness.
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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.
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