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TEC Elements, Resistive Heaters, Thermistors, and Thermocouples


  • Thermoelectric Coolers up to 145.8 W
  • Resistive Foil, Cartridge, and Metal Ceramic Heaters
  • 100 Ω, 10 kΩ, and Integrated Circuit Temperature Sensors

TH100PT

100 Ω Resistance Temperature Detector
(Not to Scale)

TH10K

10 kΩ Thermistor
(Not to Scale)

HT15W

Resistive Cartridge Heater
(Not to Scale)

AD590

Temperature Transducer
(Not to Scale)

HT10K

Flexible Resistive Foil Heater

HT19R

Metal Ceramic Heater

TECF1S

Single-Stage TEC Element

Related Items


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Features

Thorlabs offers a wide range of thermal management accessories, including thermoelectric coolers, resistive heaters, thermistors, and temperature transducers. Thermoelectric coolers can both cool and heat, allowing for quick response to thermal drift or shock. These devices are ideal for total and precise temperature regulation. For applications that require only heating or steady-state regulation slightly above room temperature, resistive heaters are a reliable and easily regulated heat source. Regardless of application, temperature monitoring is essential for any temperature regulation system. Thorlabs' thermistors and thermocouples provide precise and accurate temperature measurements.

Thermoelectric Coolers
We offer a line of single-stage thermoelectric coolers, which can maintain temperature differentials of at least 73 °C for a 50 °C hot surface. Our dual-stage TEC (item # TECD2) provides a larger temperature differential between the hot and cold surfaces of the device; when the hot surface is 50 °C, it is capable of maintaining a differential of 108 °C in vacuum. The hot and cold surfaces of the dual-stage TEC are metalized copper for soldering in order to ease integration into the system.

All of our TECs work well with our TED4015 225 W Benchtop Laser Diode Temperature Controller and our rack-mountable temperature controllers, which are designed for the PRO800 Chassis. These TECs can also be driven by our OEM Temperature Controllers in SMT or THT Packages. When using a TEC for thermal regulation, care should be taken to electrically isolate the sides and leads of the TEC.

Resistive Heaters
Thorlabs offers three types of resistive heaters: foil, cartridge, and metal ceramic. The HT10K and TLK-H are resistive foil heaters with a pressure-sensitive adhesive backing and a 10 kΩ NTC thermistor integrated directly onto the heater. The HT15W is a miniature 15 W cartridge heater, which can be used for many applications requiring small areas to be heated. Our metal ceramic heaters come in either round (HT19R) or square (HT24S and HT24S2) geometries and provide fast thermal response. These small but high powered heaters are ideal for thermal regulation of optical components. All of the heaters sold here are compatible with Thorlabs' TC200 temperature controller.

Thermistors and Temperature Transducers
We also offer three models of thermistors and temperature transducers. The TH10K is a 10 kΩ thermistor with 1 °C accuracy that is meant to be used in common TEC applications. The TH100PT is a 100 Ω platinum Resistance Temperature Detector (RTD) with a positive linear temperature response. These thermistors are compatible with the TC200 temperature controller; the TH10K can also be used with the MTD415T TEC controller in an SMT package. Finally, the AD590 is an integrated circuit (IC) temperature transducer with an output current that is proportional to absolute temperature. All our thermistors and AD590 temperature transducers are compatible with the TED200C 12 W Benchtop Laser Diode Temperature Controller and our rack-mountable temperature controllers. For high temperature applications, constantan or manganese wires may be used.


Posted Comments:
spiliot  (posted 2017-12-01 09:17:05.387)
Should I try to widen the hole of HT19R by a few mms? Will this destroy the heater?
nbayconich  (posted 2017-12-29 08:18:51.0)
Thank you for contacting Thorlabs. Drilling a larger through hole is not recommended, and we can't guarantee the specs after drilling. A larger hole might damage the ceramic heater. I will reach out to you directly with more information.
yt338  (posted 2017-07-04 11:59:42.587)
Are your TECs capable of both heating up and cooling down?
nbayconich  (posted 2017-07-11 10:35:54.0)
Thank you for contacting Thorlabs. Our TEC's are capable of both heating and cooling. The primary purpose of these TEC's is to cool but can be used to heat a device if the hot surface is in contact. For general heating purposes we recommend using our resistive heaters, thermistors and temperature transducers. I will reach out to you directly.
raphael.cohen3  (posted 2016-04-14 09:35:01.09)
I didn't find which side will be the hot and which the cold for a given voltage input? Thanks
besembeson  (posted 2016-04-14 08:56:36.0)
Response from Bweh at Thorlabs USA: The hot side is with the longer length dimensions when wired according to our specified polarity. See the following page: http://www.thorlabs.com/thorcat/4800/TEC3-2.5-SpecSheet.pdf
curtis.volin  (posted 2014-05-19 15:07:42.88)
I don't see a maximum temperature spec on HT10K or TLK-H. Can you provide this information?
myanakas  (posted 2014-05-20 09:06:31.0)
Response from Mike at Thorlabs: Thank you for your feedback. The temperature range for the HT10K and TLK-H is -32 to 100 °C (-26 to 212 °F). Based on your feedback this specification has been added to the web presentation for these parts.
user  (posted 2014-01-27 04:25:16.06)
What is the maximum operational temperature for the HT19R heater element? The heater element HT19R ships with a note saying the maximum is 180 C, while the data sheet online says 400 C.
sharrell  (posted 2014-01-27 09:43:26.0)
Response from Sean at Thorlabs: Thank you for your pointing out this inconsistency. 400 °C is the correct maximum temperature specification. It appears that the item shipped with an older, incorrect version of the spec sheet; we are working with the production team to get the items in inventory corrected now.
jlow  (posted 2012-12-11 17:01:00.0)
Response from Jeremy at Thorlabs: The leads on the HT10K are about 13".
cbrideau  (posted 2012-12-11 16:05:54.117)
How long are the leads on the HT10K? Or can you just solder on your own?
tcohen  (posted 2012-10-15 09:25:00.0)
Response from Tim at Thorlabs: Thank you for your feedback. We will add the cable as a standalone item shortly (with HIROSE connectors for mating with TC200). For immediate assistance with a compatible cable, please contact us at techsupport@thorlabs.com.
cpinyan  (posted 2012-10-10 12:58:44.463)
Would be great if Thorlabs also sold connecting cable (connector one end and alligator or other quick clips on other end) to go between Thermistor, heating elements and one of the standard temperature controllers.

Single-Stage TEC Elements

Performance specifications are given in the table below as a function of TH, the temperature of the hot surface of the TEC. Imax is the maximum allowed current across the TEC element and Vmax is the maximum allowed voltage difference. These values should not be exceeded. Qmax is the maximum heat load that the TEC can handle; ΔTmax is the maximum temperature difference between the hot and cold surfaces of the TEC in a dry nitrogen environment.

When choosing a TEC, it is important to know the heat load, or cooling capacity, of the system (how much heat must be transferred away from the device) and to match that load with a capable TEC. The TEC should be rated for a maximum heat load above that which is emitted by the system, and a sufficiently large heat sink must be attached to the hot surface. Proper thermal contact is necessary for optimal heat transfer. Ensuring that the TEC is of the proper size for the system is important as well as using thermal tape or grease to help facilitate heat transfer. It is important to note that the heat transfer efficiency is affected by the ambient environment; care must be taken to avoid condensation on the cold side. Large changes in background temperature or significant humidity can hamper heat flow. These factors should be taken into account when choosing an appropriate TEC.

All the TECs available here, with the exception of the TEC3-2.5, TEC3-6, and TEC1.4-6, are silicone sealed to protect the core from moisture and condensation.

We offer several kinds of temperature controllers for our TECs. The TED4015 225 W TEC Controller is a benchtop laser diode temperature controller with excellent temperature stability. Our rack-mountable temperature controllers are also capable of excellent temperature stabilization and additionally are compatible with the PRO800 Chassis. For OEM, custom, or embedded systems, we offer OEM Temperature Controllers in SMT or THT Packages as well as on a PCB with mounting standoffs.

Item # Imax TH = 27 °C TH = 35 °C TH = 50 °C AC Resistance Performance Graphs and Dimensions
Qmax Vmax ΔTmax Qmax Vmax ΔTmax Qmax Vmax ΔTmax @ 30 °Ca
TECF1S 1.2 A 6.0 W 7.0 V 68.8 °C - - - 6.7 W 7.9 V 77.9 °C 6.50 Ω info
TECF2S 1.9 A 9.7 W 8.2 V  66.4 °C - - - 11.5 W 9.1 V 73.8 °C 3.30 Ω info
TECD2S 2.1 A 5.1 W 3.7 V 65.8 °C - - - 5.7 W 4.2 V 74.7 °C 1.50 Ω info
TEC3-2.5 2.5 A 6 W 3.6 V 65 °C 6 W 3.8 V 68 °C 6 W 4.1 V 73 °C 1.2 Ωa infob
TECH3S 3.7 A 35.3 W 14.3 V 64.8 °C - - - 36.2 W 15.3 V 74.0 °C 3.80 Ω info
TECL4 3.8 A 77.1 W 32.3 V 68.5 °C - - - 85.6 W 35.6 V 76.4 °C 6.00 Ω info
TECH4 4.6 A 44.8 W 15.2 V 66.3 °C - - - 48.2 W 16.6 V 75.7 °C 2.50 Ω info
TEC3-6 5.6 A 13 W 3.6 V 65 °C 14 W 3.8 V 68 °C 14 W 4.1 V 73 °C 0.5 Ωa infob
TECJ6 5.9 A 87.9 W 23.5 V 67.7 °C - - - 103.5 W 26.2 V 76.1 °C 3.25 Ω info
TECD6 6.0 A 14.1 W 3.6 V 66.0 °C - - - 15.1 W 3.9 V 74.5 °C 0.45 Ω info
TEC1.4-6 6.0 A 6 W 1.8 V 65 °C - - - 7 W 1.9 V 75 °C 0.3 Ωa infob
TECJ8 7.8 A 123.2 W 23.6 V 66.6 °C - - - 145.8 W 27.8 V 74.5 °C 2.40 Ω info
TECH8 8.5 A 75.6 W 14.2 V 66.2 °C - - - 84.2 W 15.7 V 75.0 °C 1.50 Ω info
TECH11 11.7 A 101.0 W 13.5 V 66.4 °C - - - 110.0 W 15.0 V 75.5 °C 1.05 Ω info
TECD14 13.2 A 31.8 W 3.8 V 72.0 °C - - - 34.0 W 4.2 V 75.0 °C 0.23 Ω info
  •  The AC resistance of the TEC3-2.5, TEC3-6, and TEC1.4-6 is specified at 27 °C.
  • Performance graphs are not available for these items. Click on the blue icon to view the TEC dimensions.

ΔTmax = Maximum Temperature Differential

Qmax = Maximum TEC Heat Load
Vmax = Maximum Voltage

Imax = Maximum Current
TH = Temperature of Hot Surface

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
TECF1S Support Documentation
TECF1S1.2 A Compact, Single-Stage TEC Element, ΔT = 68.8 °C for 27 °C Hot Surface
$18.00
Today
TECF2S Support Documentation
TECF2S1.9 A Compact, Single-Stage TEC Element, ΔT = 66.4 °C for 27 °C Hot Surface
$18.00
Today
TECD2S Support Documentation
TECD2S2.1 A Compact, Single-Stage TEC Element, ΔT = 65.8 °C for 27 °C Hot Surface
$14.00
Today
TEC3-2.5 Support Documentation
TEC3-2.52.5 A Single-Stage TEC Element, ΔT = 65 °C for 27 °C Hot Surface
$31.62
Today
TECH3S Support Documentation
TECH3S3.7 A Compact, Single-Stage TEC Element, ΔT = 64.8 °C for 27 °C Hot Surface
$19.00
Today
TECL4 Support Documentation
TECL43.8 A Single-Stage TEC Element, ΔT = 68.5 °C for 27 °C Hot Surface
$48.00
Today
TECH4 Support Documentation
TECH44.6 A Single-Stage TEC Element, ΔT = 66.3 °C for 27 °C Hot Surface
$20.00
Today
TEC3-6 Support Documentation
TEC3-65.6 A Single-Stage TEC Element, ΔT = 65 °C for 27 °C Hot Surface
$31.88
Today
TECJ6 Support Documentation
TECJ65.9 A Single-Stage TEC Element, ΔT = 67.7 °C for 27 °C Hot Surface
$36.00
Today
TECD6 Support Documentation
TECD66.0 A Single-Stage TEC Element, ΔT = 66.0 °C for 27 °C Hot Surface
$14.00
Today
TEC1.4-6 Support Documentation
TEC1.4-66.0 A Single-Stage TEC Element, ΔT = 65 °C for 27 °C Hot Surface
$43.10
Today
TECJ8 Support Documentation
TECJ87.8 A Single-Stage TEC Element, ΔT = 66.6 °C for 27 °C Hot Surface
$36.00
Today
TECH8 Support Documentation
TECH88.5 A Single-Stage TEC Element, ΔT = 66.2 °C for 27 °C Hot Surface
$20.00
Today
TECH11 Support Documentation
TECH1111.7 A Single-Stage TEC Element, ΔT = 66.4 °C for 27 °C Hot Surface
$25.00
Today
TECD14 Support Documentation
TECD1413.2 A Single-Stage TEC Element, ΔT = 72.0 °C for 27 °C Hot Surface
$20.00
Today

Dual-Stage TEC Element

Dual-Stage TEC Drawing
Click for Details

Dual-Stage TEC Dimensional Drawing
Specification Value Test Conditions (Vacuum)
Imax  2.4 A Q = 0 W, ΔT = 108 °C, TH = 50 °C
Vmax 9.2 V Q = 0 W, I = 2.4 A, TH = 50°C
ΔTmax 108 °C Q = 0 W, I = 2.4 A, TH = 50 °C 
Qmax 5.6 W I = 2.4 A, ΔT = 0 °C, TH = 50°C
TH,max 200 °C -
Resistance 2.664 - 3.251 Ω  25 °C Ambient Temperature
Flatness / Parallelism of Two Faces ≤0.10 mm

Our Dual-Stage Thermoelectric Cooler (TEC) is ideal for situations where additional cooling is required. The TECD2 provides a temperature difference between the hot and cold surfaces of up to 108 °C when the hot surface is at 50 °C. The hot and cold surfaces are metalized copper to allow for soldering. This TEC is designed to operate in vacuum levels of 10-6 Torr with proper cleaning and bake out.

The performance values for our Dual-Stage TEC is given as a function of TH, the temperature of the hot surface of the TEC. Imax is the maximum allowed current across the TEC element and Vmax is the maximum allowed voltage difference. These values should not be exceeded. Qmax is the maximum heat load that the TEC can handle; ΔTmax is the maximum temperature difference between the hot and cold surfaces of the TEC in vacuum. 

When choosing a TEC, it is important to know the heat load of the system (how much heat must be transferred away from the device) and to match that load with a capable TEC. The TEC should be rated for a maximum heat load above that which is emitted by the system, and a sufficiently large heat sink must be attached to the hot surface. Proper thermal contact is necessary for optimal heat transfer. Ensuring that the TEC is of the proper size for the system is important as well as using thermal tape or grease to help facilitate heat transfer. It is important to note that the heat transfer efficiency is affected by the ambient environment; care must be taken to avoid condensation on the cold side. Large changes in background temperature or significant humidity can hamper heat flow. These factors should be taken into account when choosing an appropriate TEC.

We offer three kinds of temperature controllers for our TECs. The TED4015 225 W TEC Controller is a benchtop laser diode temperature controller with excellent temperature stability. Our rack-mountable temperature controllers are also capable of excellent temperature stabilization and additionally are compatible with the PRO800 Chassis. For OEM, custom, or embedded systems, our OEM Temperature Controllers are available in SMT or THT Packages.   

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
TECD2 Support Documentation
TECD22.4 A Dual-Stage TEC Element, ΔT = 108 °C for 50 °C Hot Surface
$99.00
Today

Flexible Resistive Foil Heaters

Heated lens Tube
Click for Details

SM1L10 Lens Tube Heated with the HT10K Foil Heater.
Item # HT10K TLK-H
Heater Resistance 19.7 Ω
Sensor Type NTC10K Thermistor
Heating Capacity 10 W/in2 (0.016 W/mm2) @ 70 °C
Size 1" x 3" (25.4 mm × 76.2 mm)
Effective Heating Area 2.23 in2 (1438.7 mm2)
Minimum Bend Radius 0.5" (12.7 mm) in Thermistor Area,
0.030" (0.8 mm) in All Other Areas
Temperature Range -32 to 100 °C (-26 to 212 °F)
Connector Type Bare Wire Leads 6-Pin Hirose
HR10A-7R-6S
  • Kapton (Polyimide) Foil Heaters with Integrated Thermistors
  • 1" x 3" (25.4 mm x 76.2 mm) Heating Area
  • Adhesive Backing for Easy Installation
  • 10 W/in2 (0.016 W/mm2) Heating Capacity

These 1" x 3" (25.4 mm x 76.2 mm) foil heating elements are useful for many lab applications. They have an integrated thermistor for closed-loop temperature control and an acrylic pressure-sensitive adhesive backing for easy installation. Both models use the same heating element.

The HT10K features bare wire leads for use with a user-provided connector. Alternatively, the TLK-H connects to the TC200 Temperature Controller using our TC200CAB10 6-Pin Hirose Cable (sold separately), eliminating the need to wire the foil heater into the controller.

Both foil heaters are flexible for use in applications such as heating lens tubes, as shown in the photo to the right. In this application, the lens tube can be isolated from the rest of the system using a Thermally Insulating Adapter.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
HT10K Support Documentation
HT10KFlexible Polyimide Foil Heater with 10 kΩ Thermistor
$52.79
Today
TLK-H Support Documentation
TLK-HFlexible Polyimide Foil Heater with 10 kΩ Thermistor and 6 Pin Hirose Connector
$205.02
Today

Resistive Cartridge Heater

Item # HT15W
Heater Resistance 38.4 Ω ± 10%
Size Ø0.122" x 1/2" (Ø3.1 mm × 12.7 mm)
Heating Capacity 15 W @ 24 V, 3.8 W @ 12 V, 0.90 W @ 6 V
Maximum Temperature 315 °C (600 °F)a
Connector Type Bare Leads
  • When installed in a Ø1/8" (Ø3.2 mm) bore in a metal block. The lead exits of the heater are insulated with a Teflon (PTFE) end cap. While the heater body may be operated at higher temperatures, the Teflon cap should never exceed 260 °C (500 °F).
  • General Purpose Cartridge-Type Resistive Heater
  • Compact Ø0.122" x 1/2" (Ø3.1 mm × 12.7 mm) Cylindrical Package
  • 15 W Maximum Heating Power

The HT15W is a 15 W cartridge-shaped resistive heater. It is compatible with our TC200 temperature controller.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
HT15W Support Documentation
HT15W15 W Resistive Cartridge Heater, Ø0.122" x 1/2" (Ø3.1 mm x 12.7 mm)
$42.59
Today

Metal Ceramic Heaters

Item # HT19R HT24S HT24S2
Heater Power 19 W @ 24 V
4.8 W @ 12V
1.2 W @ 6 V
24 W @ 24 V
6.1 W @ 12 V
1.5 W @ 6 V
Heater Resistance 30 Ω ± 10% 23.5 Ω ± 10%
Dimensions Ø0.906" (23.0 mm) O.D.
Ø0.157" (4.0 mm) I.D.
0.787" (20.0 mm) Square 1.143" (28.0 mm) Square
Dimensional Tolerance ±0.02" (0.5 mm) O.D.
±.004" (0.1 mm) I.D.
±0.02" (0.5 mm) ±0.02" (0.5 mm)
Thickness 0.05" (1.3 mm) 0.07" (1.7 mm)
Thickness Tolerance ±0.002" (0.05 mm) ±0.002" (0.05 mm)
Lead Length 1.97" (50.0 mm)
Max Temperature 400 °C
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
HT19R Support Documentation
HT19R19 W, Ø23 mm Metal Ceramic Heater
$45.14
Today
HT24S Support Documentation
HT24S24 W, 20 mm x 20 mm Metal Ceramic Heater
$45.14
Today
HT24S2 Support Documentation
HT24S224 W, 28 mm x 28 mm Metal Ceramic Heater
$45.14
Today

Thermistors and Thermocouples

AD590
Linear Current Output 1 µA / K
Operating Range -55 °C to 150 °C
Power Supply Range 4 to 30 V
Bottom View
(Click to Enlarge)
AD590 Bottom View
TH10Ka
Temp. Accuracy ±1 °C
Dissipation Constant 1.4 mW/°C
Time Constant 15 s
Operating Range -50 to
150 °C
Temp. Coefficient -4.40 %/°C
  • @ 25 °C. We also offer an Excel file which quickly calculates measured resistance for a given temperature or temperature for a measured resistance.
TH100PT
Rating 100 Ω @ 0 °C
Temp. Coefficient 3.85 x 10-3 / K
Accuracy Class B Tolerance
(±0.3 °C @ 100 Ω)
Operating Range -70 to 400 °C
(-94 to 752 °F)
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
AD590 Support Documentation
AD590Temperature Transducer
$14.28
Today
TH10K Support Documentation
TH10K10 kΩ Thermistor
$4.27
Today
TH100PT Support Documentation
TH100PT100 Ω Platinum Resistance Temperature Detector
$9.23
Today
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Last Edited: Mar 17, 2014 Author: Dave Gardner