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Miniature Thermocouple Connectors

Miniature Thermocouple Connectors Flat Pin with Write-on Window, Standard and Extended Temperature Range


Miniature Thermocouple Connectors Flat Pin with Write-on Window, Standard and Extended Temperature Range SMPW-E-F-ROHS SMPW-E-F-ROHS

This product has changed to a new number, and is identical in form, fit, function, and approvals. Please refer to: SMPW-E-F.

  • Ultimate Thermocouple Connector Plug or Jack
  • Integral Cap, Strain Relief + Cable Clamp
  • New Labor Saving Wire Assembly
  • Fast + Easy Wire Termination
  • Accepts Wide Range of Wire Sizes
  • Contact Washers for Quick Connect Wire Termination
  • Write-On Window for Sensor ID
  • Captive Screws Combination Phillips/Slot
  • ANSI or IEC color codes available

SMPW-E-F-ROHS Model Options

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Edit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.

*Highlighted options are not compatible. Please select a different combination.

Sensing Type
Thermocouple Calibration Type
Connector Gender
Calibration Standard
Additional Features
Connector Style
Temperature Unit
Temperature Min
Temperature Max
Temperature Range
No. of Pins/Sockets

  • Color Code Standard Yes
  • Maximum Ambient Temperature 260°C (500°F)
  • Minimum Ambient Temperature -29°C (-20°F)
  • Maximum Wire Size 20 AWG
  • Wire Type Stranded or Solid


OMEGA SMPW thermocouple connectors are mini size flat 2 pin TC connectors designed to connect temperature sensor instrumentation and a temperature controller or process control HMI automation panel. Male 2 pole TC plugs and matched female 2 prong TC jack pairs are stock items. 
Standard size round pin OSTW plugs, jacks and thermocouple TC connectors are also available - see related products below.
Accessories for wire, crimp, cable clamp, grommet and strain relief are in the accessories link.
SMPW is manufactured as a form fit replacement for the legacy SMP model.

Check out our latest design - SMPW-CC Series with integral cable clamp. in related products.

Installation Note: for HMPW-x-F
When using the rivet hole as a hold down point the maximum screw size is 3-48-NC or M2.5 x .45
Maximum Torque Value is 2 pounds-force inch or .230 kilogram-force meter .
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Rated 5 out of 5 by from Well Made Bought these to use with Omega Thermocouples. They appear to be well made and easy to connect to thermocouple wiring. Nice that they come with a "locking" wire to keep them connected to the thermocouple. Like the space for labeling the connectors.
Date published: 2015-12-04
Rated 5 out of 5 by from Thermocouple and connectors Great products, delivered on time. Can find a wide variety of temperature products.
Date published: 2016-05-10
Rated 5 out of 5 by from Easy and standard It does what it is supposed to do. Its an easy, standard connection between a thermocouple and a datalogger. Only have to deal with screw connections one, then its just a plug.
Date published: 2023-02-28
Rated 5 out of 5 by from As Advertised Exactly as advertised, which is a rare thing these days.
Date published: 2023-02-09
Rated 5 out of 5 by from Great thermocouple plugs I like the wire connection of these mini ends. The wire plate does not bend or loosen over time. Great to reuse
Date published: 2023-02-09
Rated 4 out of 5 by from Product arrived to us undamaged and suited our pur The product suited our purposes and was in good condition
Date published: 2023-01-19
Rated 4 out of 5 by from Manufacturing Engineer Great Product. Long lead time. The way of our world today. Dan Coulter
Date published: 2022-09-19
Rated 5 out of 5 by from Great connectors Omega is our preferred supplier for thermocouples and thermocouple connectors. Always durable and precise.
Date published: 2022-03-31
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Asked by: PWC WF
Please use the SPJ series. https://www.omega.com/en-us/sensors-and-sensing-equipment/sensing-accessories/jack-panel-assemblies/spj/p/SPJ-N-F
Answered by: Temperature
Date published: 2020-03-04

Hello, We are using the SMPW-K-M connector. I would like to know how many count it can be used? or it's lifespan FYI, it is used for reflow profile Thanks and Best regard

Asked by: JK Kim
Hi JK Kim, Thank you for the inquiry. Please forward this request to TEMP@OMEGA.COM. Best regards, OMEGA
Answered by: NorwalkAE_RS
Date published: 2022-02-07

How to mount SMPW-T-F connector inside box? I don't see any mounting holes.

Asked by: bobrovantig
Thank you for your inquiry bobrovantig. You cannot mount this connector inside a box. These do not come with mounting holes. If you have any further questions please email the Temperature Technical Support at temp@omega.com or call 1-888-826-6342.
Answered by: Application Engineer SP
Date published: 2021-10-15

Do you have dust cap/terminal protection cover for SMPW-J-M connector?

Asked by: Mallikarjun
Thank you for your inquiry. We do not offer any protection covers or caps for our male connectors.
Answered by: Application Engineer JB
Date published: 2022-03-23

what is the thickness wire gauge we can use with these miniature thermocouple connectors?

Asked by: buddy001
Thank you for your inquiry. The HMPW/SMPW series miniature thermocouple connectors accept Stranded or Solid Wire up to Size 20 AWG.
Answered by: Application Engineer SP
Date published: 2023-02-08

How many connectors come in 1 order?

Asked by: CGBproj
Thank you for your inquiry. This part number is sold individually and you specify the quantity required.
Answered by: Application Engineer JB
Date published: 2021-09-14

I am evaluating SMPW-K-M-ROHS and SMPW-K-F-ROHS for one of my application. Will the TC wire TT-K-24S-SLE (Stranded) and TT-K-24-SLE(Solid) work with these connectors?

Asked by: Senthil
The SMPW-K-M-ROHS and SMPW-K-F-ROHS connectors will work with AWG 24 wire solid core or stranded core. That series of connector with work with wires up to AWG 20 if necessary.
Answered by: Engineer9
Date published: 2019-11-07

I want to buy SMPW-R/S-F (green R female) The official website color currently looks blue. Want to ask Do I need to write down the color and model clearly when ordering remarks?

Asked by: JYUN
Thank you for connecting with Omega JYUN. The picture does not accurately show the selected calibration type. If a R/S type is ordered, the connector will be green.
Answered by: Application Engineer RD
Date published: 2022-02-03
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