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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Qty. RoHS ECAD Model Product Type
Cooling Power
Qmax
Delta Tmax
Maximum Current
Maximum Voltage
Length
Width
Height
Maximum Operating Temperature
Tark Thermal Solutions Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini Form Factor, SbSn Solder, Pretin
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10In Stock
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Thermoelectric Peltier Modules 3.4 W 72.9 C 2 A 2.79 V 8.8 mm 10.8 mm 2.2 mm + 120 C
Tark Thermal Solutions Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini, SbSn, Au Plate, 10.26x12.31x1.7mm
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8In Stock
Min.: 1
Mult.: 1

Thermoelectric Peltier Modules 4.2 W 72.9 C 2 A 3.48 V 10.26 mm 12.319 mm 1.7018 mm + 120 C
Tark Thermal Solutions Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, Epoxy Seal
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10In Stock
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Thermoelectric Peltier Modules 4.2 W 72.9 C 2 A 3.48 V 10.3 mm 12.3 mm 1.7 mm + 120 C
Tark Thermal Solutions Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini, SbSn, Au Plate, 8.78x8.78x2.18mm
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22In Stock
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Mult.: 1

Thermoelectric Peltier Modules 4.3 W 72.9 C 2 A 3.6 V 8.7884 mm 8.7884 mm 2.1844 mm + 120 C
Tark Thermal Solutions Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini, SbSn, Au Plate, 8.78x8.78x2.18mm
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26In Stock
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Mult.: 1

Thermoelectric Peltier Modules 4.3 W 72.9 C 2 A 3.6 V 8.7884 mm 8.7884 mm 2.1844 mm + 120 C
Tark Thermal Solutions Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, Gold Plate
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8In Stock
Min.: 1
Mult.: 1

Thermoelectric Peltier Modules 4.3 W 72.9 C 2 A 3.6 V 8.8 mm 11 mm 2.2 mm + 120 C
Tark Thermal Solutions Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini, SbSn, Au Plate, 8.12x10.16x2.18mm
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11In Stock
Min.: 1
Mult.: 1

Thermoelectric Peltier Modules 4.5 W 72.9 C 2 A 3.72 V 8.128 mm 10.16 mm 2.1844 mm + 120 C
Tark Thermal Solutions Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini Form Factor, SbSn Solder, RTV Seal
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10In Stock
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Thermoelectric Peltier Modules 4.5 W 72.9 C 2 A 3.72 V 8.1 mm 10.2 mm 2.2 mm + 120 C
Tark Thermal Solutions Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, Gold Plate
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10In Stock
Min.: 1
Mult.: 1

Thermoelectric Peltier Modules 4.5 W 72.9 C 2 A 3.72 V 8.1 mm 10.2 mm 2.2 mm + 120 C
Tark Thermal Solutions Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, Gold Plate
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10In Stock
Min.: 1
Mult.: 1

Thermoelectric Peltier Modules
Tark Thermal Solutions Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini Form Factor, SbSn Solder, RTV Seal
Datasheet
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10In Stock
Min.: 1
Mult.: 1

Thermoelectric Peltier Modules 5.2 W 72.9 C 1.2 A 7.2 V 13.2 mm 12.2 mm 2.7 mm + 120 C
Tark Thermal Solutions Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, Gold Plate
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8In Stock
Min.: 1
Mult.: 1

Thermoelectric Peltier Modules 5.2 W 72.9 C 1.2 A 7.2 V 13.2 mm 12.2 mm 2.7 mm + 120 C
Tark Thermal Solutions Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, Gold Plate
Datasheet
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10In Stock
Min.: 1
Mult.: 1

Thermoelectric Peltier Modules 1.5 W 72.9 C 1.2 A 2.09 V 6.1 mm 8.1 mm 2.7 mm + 120 C
Tark Thermal Solutions Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini, SbSn, RTV Seal, 12.19x5.99x1.65mm
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4In Stock
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Thermoelectric Peltier Modules 4.7 W 72.9 C 1.9 A 4.07 V 12.192 mm 5.9944 mm 1.651 mm + 120 C
Tark Thermal Solutions Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini Form Factor, SbSn Solder
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10In Stock
Min.: 1
Mult.: 1

Thermoelectric Peltier Modules
Tark Thermal Solutions Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, Gold Plate
Datasheet
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11In Stock
Min.: 1
Mult.: 1

Thermoelectric Peltier Modules
Tark Thermal Solutions Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini, SbSn Solder, 9.8x11.4x2.4mm
Datasheet
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1In Stock
52Expected 8/7/2026
Min.: 1
Mult.: 1

Thermoelectric Peltier Modules 3.7 W 72.9 C 800 mA 7.67 V 9.8 mm 11.4 mm 2.4 mm + 120 C
Tark Thermal Solutions Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini, SbSn, Pre-Tin, 6.7x4.87x2.43mm
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1In Stock
Min.: 1
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Thermoelectric Peltier Modules 1 W 72.9 C 800 mA 2.09 V 6.7056 mm 4.8768 mm 2.4384 mm + 120 C
Tark Thermal Solutions Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini, SbSn, Epoxy Seal, 13.1x13.1x2.1mm
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3In Stock
52On Order
Min.: 1
Mult.: 1

Thermoelectric Peltier Modules 9.5 W 72.9 C 2 A 7.9 V 13.1572 mm 13.1572 mm 2.1844 mm + 120 C
Tark Thermal Solutions Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini Form Factor, 0.3x0.2x0.1 Inch
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4In Stock
Min.: 1
Mult.: 1

Thermoelectric Peltier Modules 1 W 72.9 C 800 mA 2.09 V 6.7 mm 4.9 mm 2.4 mm + 120 C
Tark Thermal Solutions Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini, SbSn, Au Plate, 6.5x8.12x2.43mm
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5In Stock
Min.: 1
Mult.: 1

Thermoelectric Peltier Modules 1.8 W 72.9 C 800 mA 3.72 V 6.5024 mm 8.128 mm 2.4384 mm + 120 C
Tark Thermal Solutions Thermoelectric Peltier Modules Thermoelectric Cooler, High Performance, Mini, SbSn Solder, 6.09x6.09x2.69mm
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6In Stock
Min.: 1
Mult.: 1

Thermoelectric Peltier Modules 1 W 72.9 C 1.2 A 1.39 V 6.096 mm 6.096 mm 2.6924 mm + 120 C
Tark Thermal Solutions Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, Gold Plate
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4In Stock
Min.: 1
Mult.: 1

Thermoelectric Peltier Modules 5.5 W 72.9 C 1.2 A 7.55 V 12.1 mm 13.2 mm 2.7 mm + 120 C
Tark Thermal Solutions Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, 3.1W, 12.3x12.3x2mm
Datasheet
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7In Stock
26Expected 18/8/2026
Min.: 1
Mult.: 1

Thermoelectric Peltier Modules 3.1 W 72.9 C 1.5 A 3.48 V 12.3 mm 12.3 mm 2 mm + 120 C
Tark Thermal Solutions Thermoelectric Peltier Modules Thermoelectric Cooler, Mini Form Factor, SbSn Solder, 3.3W, 8.8x11x2.8mm
Datasheet
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9In Stock
Min.: 1
Mult.: 1

Thermoelectric Peltier Modules 3.3 W 72.9 C 1.5 A 3.6 V 8.8 mm 11 mm 2.8 mm + 120 C