| General > General Technical Chat |
| Pin header crimps that match SN-28B ? |
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| ElektroQuark:
FWIW here it is how I use my cheap SN-28B with cheap Chinese terminals: CLICK! It's a very short blog entry with clear images. Short text in Spanish but easily translatable. Hope this helps. |
| tooki:
--- Quote from: ElektroQuark on July 25, 2021, 06:09:05 am ---FWIW here it is how I use my cheap SN-28B with cheap Chinese terminals: CLICK! --- End quote --- Those aren’t DuPont terminals, they’re KF2510 (Molex KK 254 clone), which are MUCH more flexible about the crimp tool used. (Though a -28B is still nowhere near ideal for them, the jaws are too thick.) --- Quote from: ElektroQuark on July 25, 2021, 06:09:05 am ---It's a very short blog entry with clear images. --- End quote --- You don’t show any image of the top of the crimped terminal. |
| 741:
Nice crisp images! The crimps I have are "not great", shown here for comparison. |
| jpanhalt:
The one in the foreground is too fuzzy to tell. The triangle style leaves for insulation support are most difficult to get right, in my experience. For them, I start the proper alignment and bend over manually before putting in the crimper; otherwise, they tend to go askew. |
| jpanhalt:
I just pulled apart a couple of connector on my bench. Probably made about 5 years ago. All crimps were done with the green handled crimper I showed earlier. 1) I categorize the "Berg" type, which is what you show and is sometimes called DuPont type, as being "indent" or "barb" retention. The Berg type is in my mind a female "pin" with a cantilevered contact. The company is now owned by Amphenol, I think. The indent retention is a cantilever on the housing that pops into the crimped side. The barb type has a barb on the non-crimped side of contact that pops into a hole on the housing. I prefer the indent type. They are easier to remove without any damage to the contact. 2) The first photo shows a barb type retention, non-Berg contact at top. The barb was pressed into the contact to get it released. The bottom contact is a Berg type with indent retention. It also has the pointed leaves as discussed earlier. Notice, I clipped the very tips of the leaves off to facilitate crimping and insertion into the housing. 3) The second photo is a close up of the Berg-type connector. |
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