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Item #:
21948167
TEC1-12705FX Thermoelectric Cooler Peltier of semiconductor Refrigeration,1PCS TEC1-12705FX (40 * 40)
87% of respondents would recommend this to a friend
Item #:
21948167
GMD 2085
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Get ice cold in minutes or heat to boiling by simply reversing the polarity, used for numerous applications from CPU coolers to alternate power sources, or even for your own
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What Stands Out
Efficient Cooling
The TEC1-12705FX provides exceptional cooling performance for various applications, ensuring optimal temperature control and consistent results, making it ideal for both DIY projects and professional refrigeration systems.
Compact Design
With dimensions of 40x40mm, this thermoelectric cooler is space-saving and easy to integrate into various systems, perfect for applications where space is limited without sacrificing performance.
Durable Semiconductor
Constructed from high-quality semiconductor materials, the TEC1-12705FX is designed for longevity and reliable operation, offering great value for users seeking efficient thermal management solutions.
Product Details
| Brand Name | Bolsen |
| Manufacturer | Bolsen |
| Number of Packs | 1 |
| Number of Items | 2 |
| Included Components | Thermoelectric Cooler |
| Model | SNS-192-B07FZXMB71 |
| Part Number | SNS-192-B07FZXMB71 |
| Item Dimensions L x W x H | 1.57"L x 0.14"H (4 cm) |
| Mounting Type | Panel Mount |
| Cooler Heatsink Material | Aluminum |
| Brand | Bolsen |
| Product Dimensions (L x W x H) | 1.57"L x 0.14"H (4 cm) |
Who Should Buy?
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DIY Enthusiasts
Perfect for hobbyists creating custom cooling solutions in small gadgets or home projects requiring temperature control.
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Electronics Cooling
Ideal for cooling electronic components or devices that generate heat, improving reliability and performance.
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Portable Refrigeration
Great for building small portable coolers or beverage chillers, providing efficient cooling without bulky equipment.
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Large Scale Cooling
Not suitable for applications requiring significant cooling power; limited capacity compared to traditional refrigeration systems.
Product Description
TEC1-12705FX Thermoelectric Cooler Peltier of semiconductor Refrigeration,1PCS TEC1-12705FX (40 * 40)
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the maximum refrigeration power of the TEC1-12704 chip?
Answer: The maximum refrigeration power of the chip is 50-60 w. -
Question:
What are the dimensions of the chip?
Answer: The dimensions of the chip are 40mm x 40mm x 3.6mm. -
Question:
Do these devices need to be used with a heat sink?
Answer: Yes, these devices must be used in conjunction with a heat sink to avoid burning. -
Question:
Can a 12705 or 12706 size Peltier be used to replace a 12704 Peltier?
Answer: Most likely not, the issue may be with failed or substandard Electrolytic capacitors. To check if the Peltier is faulty, remove it from the circuit board and test it out of the circuit using an AA battery. If it is good, examine the electrolytic capacitors and replace them with quality replacements if needed. -
Question:
What is wattage?
Answer: Wattage is a unit of measurement of power consumption, typically measured in watts (W). -
Question:
Why is my Peltier hot on both sides when I use a 12V battery to test it?
Answer: It is difficult to determine the cause of this issue without more information or a demonstration. Please refer to a tutorial on YouTube or seek professional assistance.
Bolsen Connectors & Adapters Editorial Review
The TEC1-12705FX Thermoelectric Cooler Peltier has garnered positive attention from customers who have utilized it to revive their faulty wine coolers and related applications. Many users mention the ease of installation and compatibility with their existing equipment. One common thread among the reviews is the significant improvement in cooling performance, with several users reporting better temperature regulation than when their devices were new. Moreover, customers appreciate the pre-installed spade clips, which simplify the assembly process during replacement. A notable recommendation is the application of thermal compound, specifically the ARCTIC MX-4, to enhance performance—a point emphasized across multiple reviews. However, customers express a desire for clearer documentation, particularly regarding which side of the unit acts as the cooling side, as its absence can lead to confusion during installation. Overall, users view the TEC1-12705FX as a reliable and efficient solution for replacing thermoelectric coolers in wine fridges and other applications. Its enhanced cooling capacity and ease of use make it a favored choice among DIY enthusiasts. **
Customer Reviews & Ratings
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Pros
- Significant improvement in cooling performance.
- Easy installation with pre-installed spade clips.
- Compatible with various setups, including previous models.
- Recommended use of thermal compound to enhance effectiveness.
Cons
- Lack of documentation on which side is the cooling side can lead to installation confusion.
Platform Trust & Buyer Confidence
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Jazz
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“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
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“The delivery was fast and the product came undamaged and authentic.”
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GMD 2085
Order now and get it around Friday, September 11
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Features & Benefits
- Get ice cold in minutes or heat to boiling in minutes with the TEC1-12704 semiconductor refrigeration chip
- Used for numerous applications including CPU coolers and alternate power sources
- Dimensions: 40mm x 40mm x 3.6mm
- Maximum refrigeration power of 50-60 w
- Must be used in conjunction with a heat sink
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