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OptoTEC OTX/HTX Thermoelectric Coolers

Tark Thermal Solutions OptoTEC OTX/HTX Thermoelectric Coolers feature high-performing thermoelectric material that boosts performance and tightens process control. OptoTEC OTX coolers have a maximum operating temperature of +120°C, and the HTX coolers are designed to operate in temperatures up to +150°C. These coolers are primarily used in applications to stabilize the temperature of sensitive optical components in the telecom and photonics industries. Tark Thermal Solutions OptoTEC OTX/HTX Thermoelectric Coolers offer a miniature footprint, no sound or vibration, and reliable solid-state operation.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.
Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini, SbSn, Au Plate, 8.78x8.78x2.18mm 387006919 Tark Thermal Solutions 1: 25,46 € 26In Stock	Mfr. Part No. 387006919 Mouser Part No 739-387006919	Tark Thermal Solutions	Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini, SbSn, Au Plate, 8.78x8.78x2.18mm Learn More about Tark Thermal Solutions laird optotec otx htx coolers	Datasheet	26In Stock	25,46 € 24,76 € 21,72 € 21,14 € Quote Quote	Min.: 1 Mult.: 1
Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, Gold Plate 387006921 Tark Thermal Solutions 1: 25,40 € 8In Stock	Mfr. Part No. 387006921 Mouser Part No 739-387006921	Tark Thermal Solutions	Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, Gold Plate Learn More about Tark Thermal Solutions laird optotec otx htx coolers	Datasheet	8In Stock	25,40 € 23,86 € 23,23 € 22,11 € View 21,35 € 20,69 € 20,53 € Quote	Min.: 1 Mult.: 1
Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini Form Factor, SbSn Solder, RTV Seal 387006923 Tark Thermal Solutions 1: 27,14 € 10In Stock	Mfr. Part No. 387006923 Mouser Part No 739-387006923	Tark Thermal Solutions	Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini Form Factor, SbSn Solder, RTV Seal Learn More about Tark Thermal Solutions laird optotec otx htx coolers	Datasheet	10In Stock	27,14 € 25,50 € 24,54 € 23,31 € View 22,70 € 22,00 € 21,83 € 21,75 € Quote	Min.: 1 Mult.: 1
Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, Gold Plate 387006924 Tark Thermal Solutions 1: 29,64 € 10In Stock	Mfr. Part No. 387006924 Mouser Part No 739-387006924	Tark Thermal Solutions	Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, Gold Plate Learn More about Tark Thermal Solutions laird optotec otx htx coolers	Datasheet	10In Stock	29,64 € 27,86 € 27,12 € 25,11 € View 24,55 € 24,09 € 24,08 €	Min.: 1 Mult.: 1
Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, Gold Plate 387009453 Tark Thermal Solutions 1: 25,09 € 10In Stock	Mfr. Part No. 387009453 Mouser Part No 739-387009453	Tark Thermal Solutions	Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, Gold Plate Learn More about Tark Thermal Solutions laird optotec otx htx coolers	Datasheet	10In Stock	25,09 € 23,58 € 22,95 € 21,84 € View 21,10 € 20,44 € 20,29 € 20,28 €	Min.: 1 Mult.: 1
Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, 1.7W, 6.5x6.5x2.4mm 387006795 Tark Thermal Solutions 1: 24,60 € 188In Stock	Mfr. Part No. 387006795 Mouser Part No 739-387006795	Tark Thermal Solutions	Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, 1.7W, 6.5x6.5x2.4mm Learn More about Tark Thermal Solutions laird optotec otx htx coolers	Datasheet	188In Stock	24,60 € 23,08 € 22,33 € 21,58 € View 20,84 € 20,19 € 20,05 € 20,04 €	Min.: 1 Mult.: 1
Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, 5.4W, 10x10x2.5mm 387007103 Tark Thermal Solutions 1: 32,07 € 117In Stock	Mfr. Part No. 387007103 Mouser Part No 739-387007103	Tark Thermal Solutions	Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, 5.4W, 10x10x2.5mm Learn More about Tark Thermal Solutions laird optotec otx htx coolers	Datasheet	117In Stock	32,07 € 30,13 € 29,33 € 27,60 € View 26,63 € 26,11 € 25,83 €	Min.: 1 Mult.: 1
Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, AuSn Solder, 4.6W, 8.8x11x2.2mm 387007120 Tark Thermal Solutions 1: 35,84 € 52In Stock	Mfr. Part No. 387007120 Mouser Part No 739-387007120	Tark Thermal Solutions	Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, AuSn Solder, 4.6W, 8.8x11x2.2mm Learn More about Tark Thermal Solutions laird optotec otx htx coolers	Datasheet	52In Stock	35,84 € 33,68 € 32,11 € 31,25 € View 30,46 € 29,89 € 29,88 €	Min.: 1 Mult.: 1
Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, AuSn Solder, 9.7W, 13.2x13.2x2.2mm 387007122 Tark Thermal Solutions 1: 61,74 € 26In Stock	Mfr. Part No. 387007122 Mouser Part No 739-387007122	Tark Thermal Solutions	Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, AuSn Solder, 9.7W, 13.2x13.2x2.2mm Learn More about Tark Thermal Solutions laird optotec otx htx coolers	Datasheet	26In Stock	61,74 € 57,13 € 50,96 € 49,37 € 49,27 €	Min.: 1 Mult.: 1
Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, Gold Plate 387006902 Tark Thermal Solutions 1: 41,36 € 8In Stock NRND	Mfr. Part No. 387006902 Mouser Part No 739-387006902 NRND	Tark Thermal Solutions	Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, Gold Plate Learn More about Tark Thermal Solutions laird optotec otx htx coolers	Datasheet	8In Stock	41,36 € 38,85 € 37,83 € 35,18 € View 34,50 € 33,91 €	Min.: 1 Mult.: 1
Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, Gold Plate 387008182 Tark Thermal Solutions 1: 33,64 € 10In Stock	Mfr. Part No. 387008182 Mouser Part No 739-387008182	Tark Thermal Solutions	Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, Gold Plate Learn More about Tark Thermal Solutions laird optotec otx htx coolers	Datasheet	10In Stock	33,64 € 31,61 € 31,58 € 29,69 € View 28,90 € 28,14 € 28,13 € Quote	Min.: 1 Mult.: 1
Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini Form Factor, SbSn Solder, RTV Seal 387009451 Tark Thermal Solutions 1: 43,41 € 10In Stock	Mfr. Part No. 387009451 Mouser Part No 739-387009451	Tark Thermal Solutions	Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini Form Factor, SbSn Solder, RTV Seal Learn More about Tark Thermal Solutions laird optotec otx htx coolers	Datasheet	10In Stock	43,41 € 40,78 € 39,70 € 38,30 € View 37,29 € 36,32 € 36,30 € Quote	Min.: 1 Mult.: 1
Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini, SbSn, Pre-Tin, 6.7x4.87x2.43mm 387006644 Tark Thermal Solutions 1: 24,99 € 1In Stock	Mfr. Part No. 387006644 Mouser Part No 739-387006644	Tark Thermal Solutions	Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini, SbSn, Pre-Tin, 6.7x4.87x2.43mm Learn More about Tark Thermal Solutions laird optotec otx htx coolers	Datasheet	1In Stock	24,99 € 23,48 € 22,86 € 22,06 € View 21,32 € 20,75 €	Min.: 1 Mult.: 1
Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, 1W, 6.5x4.9x2.7mm 387006650 Tark Thermal Solutions 1: 18,66 € 22In Stock	Mfr. Part No. 387006650 Mouser Part No 739-387006650	Tark Thermal Solutions	Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, 1W, 6.5x4.9x2.7mm Learn More about Tark Thermal Solutions laird optotec otx htx coolers	Datasheet	22In Stock	18,66 € 17,54 € 16,72 € 16,27 € View 15,59 € 15,08 € 14,96 € 14,91 € Quote	Min.: 1 Mult.: 1
Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini, SbSn, RTV Seal, 6.09x8.12x2.69mm 387006655 Tark Thermal Solutions 1: 23,19 € 6In Stock	Mfr. Part No. 387006655 Mouser Part No 739-387006655	Tark Thermal Solutions	Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini, SbSn, RTV Seal, 6.09x8.12x2.69mm Learn More about Tark Thermal Solutions laird optotec otx htx coolers	Datasheet	6In Stock	23,19 € 22,67 € 21,21 € 20,46 € View 19,92 € 19,39 € Quote	Min.: 1 Mult.: 1
Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, 9.5W, 13.2x13.2x2.2mm 387006784 Tark Thermal Solutions 1: 34,11 € 24In Stock	Mfr. Part No. 387006784 Mouser Part No 739-387006784	Tark Thermal Solutions	Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, 9.5W, 13.2x13.2x2.2mm Learn More about Tark Thermal Solutions laird optotec otx htx coolers	Datasheet	24In Stock	34,11 € 32,04 € 30,59 € 29,76 € View 28,03 € 27,56 € Quote	Min.: 1 Mult.: 1
Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, 0.4W, 4.9x3.3x2.6mm 387006791 Tark Thermal Solutions 1: 19,70 € 28In Stock 32On Order	Mfr. Part No. 387006791 Mouser Part No 739-387006791	Tark Thermal Solutions	Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, 0.4W, 4.9x3.3x2.6mm Learn More about Tark Thermal Solutions laird optotec otx htx coolers	Datasheet	28In Stock 32On Order On Order Ship Dates Mfr. No: 387006791 Stock: 28 Can Dispatch Immediately On Order: 30 Pending 2 Expected 11/3/2026 Factory Lead Time: 8 Weeks	19,70 € 18,89 € 18,38 € 17,14 € View 16,67 € 16,08 € 15,96 € 15,89 € Quote	Min.: 1 Mult.: 1
Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, 3.7W, 11.4x8.9x2.4mm 387006798 Tark Thermal Solutions 1: 28,57 € 26In Stock	Mfr. Part No. 387006798 Mouser Part No 739-387006798	Tark Thermal Solutions	Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, 3.7W, 11.4x8.9x2.4mm Learn More about Tark Thermal Solutions laird optotec otx htx coolers	Datasheet	26In Stock	28,57 € 26,85 € 25,73 € 24,92 € View 23,62 € 22,95 € 22,77 € 22,69 € Quote	Min.: 1 Mult.: 1
Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, Gold Plate 387006833 Tark Thermal Solutions 1: 37,01 € 4In Stock	Mfr. Part No. 387006833 Mouser Part No 739-387006833	Tark Thermal Solutions	Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, Gold Plate Learn More about Tark Thermal Solutions laird optotec otx htx coolers	Datasheet	4In Stock	37,01 € 34,77 € 33,85 € 31,40 € View 30,79 € 30,23 €	Min.: 1 Mult.: 1
Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, 3.1W, 12.3x12.3x2mm 387006839 Tark Thermal Solutions 1: 20,07 € 20In Stock	Mfr. Part No. 387006839 Mouser Part No 739-387006839	Tark Thermal Solutions	Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, 3.1W, 12.3x12.3x2mm Learn More about Tark Thermal Solutions laird optotec otx htx coolers	Datasheet	20In Stock	20,07 € 18,86 € 17,75 € 16,63 € View 16,24 € 15,70 € 15,58 € 15,53 € Quote	Min.: 1 Mult.: 1
Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini, SbSn, Au Plate, 10.26x12.2x1.95mm 387006841 Tark Thermal Solutions 1: 24,29 € 8In Stock	Mfr. Part No. 387006841 Mouser Part No 739-387006841	Tark Thermal Solutions	Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini, SbSn, Au Plate, 10.26x12.2x1.95mm Learn More about Tark Thermal Solutions laird optotec otx htx coolers	Datasheet	8In Stock	24,29 € 22,82 € 21,86 € 21,12 € View 20,39 € 19,76 € 19,62 € 19,61 €	Min.: 1 Mult.: 1
Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, 3.3W, 8.8x11x2.8mm 387006845 Tark Thermal Solutions 1: 25,69 € 6In Stock	Mfr. Part No. 387006845 Mouser Part No 739-387006845	Tark Thermal Solutions	Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, 3.3W, 8.8x11x2.8mm Learn More about Tark Thermal Solutions laird optotec otx htx coolers	Datasheet	6In Stock	25,69 € 24,13 € 23,10 € 22,39 € View 21,84 € 21,34 € 21,32 €	Min.: 1 Mult.: 1
Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini, SbSn, Au Plate, 11.17x14.2x2.43mm 387006892 Tark Thermal Solutions 1: 30,12 € 5In Stock	Mfr. Part No. 387006892 Mouser Part No 739-387006892	Tark Thermal Solutions	Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini, SbSn, Au Plate, 11.17x14.2x2.43mm Learn More about Tark Thermal Solutions laird optotec otx htx coolers	Datasheet	5In Stock	30,12 € 28,51 € 27,55 € 26,58 € View 25,70 € 25,02 € 25,01 €	Min.: 1 Mult.: 1
Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, 3.1W, 6x8.2x1.7mm 387006897 Tark Thermal Solutions 1: 33,51 € 28In Stock	Mfr. Part No. 387006897 Mouser Part No 739-387006897	Tark Thermal Solutions	Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, 3.1W, 6x8.2x1.7mm Learn More about Tark Thermal Solutions laird optotec otx htx coolers	Datasheet	28In Stock	33,51 € 31,49 € 29,28 € 28,37 € View 27,82 € 27,30 € 27,29 € Quote	Min.: 1 Mult.: 1
Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini, SbSn, RTV Seal, 12.19x5.99x1.65mm 387006899 Tark Thermal Solutions 1: 38,46 € 2In Stock 24Expected 12/30/2026	Mfr. Part No. 387006899 Mouser Part No 739-387006899	Tark Thermal Solutions	Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini, SbSn, RTV Seal, 12.19x5.99x1.65mm Learn More about Tark Thermal Solutions laird optotec otx htx coolers	Datasheet	2In Stock 24Expected 12/30/2026	38,46 € 36,14 € 35,18 € 32,66 € View 32,03 € 31,46 €	Min.: 1 Mult.: 1

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