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Miniature Thermocouple Connectors

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


Item# SMPW-K-M

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-9 $2.54
10-49 $2.41
50-99 $2.29
100-999 $2.16
1000-4999 $2.03
5000+ $1.91

In stock

Lead Time ( If not in Stock): 2 weeks

Miniature Thermocouple Connectors Flat Pin with Write-on Window, Standard and Extended Temperature Range SMPW-K-M SMPW-K-M
  • Color-Coded for ANSI or IEC
  • Captive Cover Screws
  • Write-on Window
  • Chisel point connection pins
  • Accepts Stranded or Solid Wire up to Size 20 AWG
  • Quick Connect Contact Washers Internal Wire Divider
  • SMPW Series , Glass filled Nylon construction is rated to 180&degC (356&degF)
  • Form Fit Replacement for Legacy SMP Model

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

Product Specs

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

Rated 5 out of 5 by from Reliable/Economic Very Reliable. We have never had an issue with these and have used numerous times in our application.
Date published: 2020-12-28
Rated 5 out of 5 by from Excellent for Thermal Test for precision checks Very nice for test applications at accesible price
Date published: 2020-08-14
Rated 1 out of 5 by from Missing component These did not come with the rubber grommet for wire strain relief
Date published: 2020-04-24
Rated 5 out of 5 by from Good sturdy connectors Items are easy to work with and installation is quick.
Date published: 2020-03-27
Rated 5 out of 5 by from Excellent quality These connectors worked out very well in our temperature control application. Easy to attach to T/C wire. The connection terminals hold the wire securely.
Date published: 2019-04-21
Rated 5 out of 5 by from It's a connector. Easy to install. It's easy to install, no need to wrap wires around a screw, this has a metal piece you insert the stripped wire under, and then just tighten the screw. I wish other Omega connectors such as the MPJ series were similar.
Date published: 2019-03-19
Rated 5 out of 5 by from Mini Connectors Only connector I will use. It is the BEST I have found.
Date published: 2018-12-23
Rated 5 out of 5 by from Quality product We purchase this product 100 at a time usually 3 to 4 times a year
Date published: 2018-05-23
Rated 5 out of 5 by from Amazing turn around Product was delivered extremely quickly, and was just as advertised. I also liked the follow-up letter with the invoice, as opposed to it being in the package where they are often missed.
Date published: 2017-10-04
Rated 5 out of 5 by from Great Parts, delivered on time. We bought it for key temperature tests we needed to perform, arrived on time and worked great.
Date published: 2017-08-11
Rated 5 out of 5 by from Excelent Products Excellent products and service from Omega, definitive I will buy in omega again
Date published: 2017-06-05
Rated 5 out of 5 by from high quality, quick delivey - did the job we neede Happy with our purchase; timely delivery; quality product
Date published: 2017-03-20
Rated 5 out of 5 by from Good connector Well made and easy to assemble. Had grommets I did not expect to included.
Date published: 2017-01-12
Rated 5 out of 5 by from promptness and quality Omega did a great job getting this product to us very quickly and the product is great quality. I have never had a problem ordering through them and they have great communication
Date published: 2016-09-02
Rated 4 out of 5 by from Connectors They work as I intended...........................................................
Date published: 2016-07-30
Rated 5 out of 5 by from Convenient! Large industrial installation with many thermo-couple controls, these little connectors allow easy testing when used with compatible digital multi-meters made for reading thermo-couple temperatures. Simply plug in and read the temperature.
Date published: 2016-07-21
Rated 4 out of 5 by from nice product this is good product n delivery very fast recommended prodct.
Date published: 2016-03-16
Rated 5 out of 5 by from Just what I needed. Ordering was easy. Arrived in a timely manner. Exactly what I needed.
Date published: 2016-03-14
Rated 5 out of 5 by from great features good product. no problems no other comments. this here to fill space
Date published: 2015-12-17
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