What is Popular smaller than 0.1 inch pin header and jumper cable - Page 1
Forum section: electronics / projects

author: Wilson__
author_rank: Frequent Contributor
timestamp: May 01, 2024, 06:07:52 pm
content: What is Popular 'goto' size, easy buying components, for smaller than 0.1 inch pin header and jumper cable?0.05 inch or may be 1 mm? 1mm is STEMMA (4 pins I2C for Adafruit and many others)??photo is 0.1 inch, want similar for 'small than 0.1 inch'many thanks

author: The Doktor
author_rank: Regular Contributor
timestamp: May 01, 2024, 06:22:22 pm
content: 2mm, perhaps? It's a bit smaller than .1"(2.54mm), but still large enough that it's not hard to handle.

author: ajb
author_rank: Super Contributor
timestamp: May 01, 2024, 07:25:41 pm
content: 2mm is a common pitch for headers. I use Harwin's M22 series of headers and terminals for development connections sometimes. I don't think they make a single-position housing, but the terminals are designed in such a way that they will be fairly secure on header pins without the housing, so I just put heatshrink on them for miniature squid cables and so on.There are tons of connector options at all sorts of pitches, so it's really hard to recommend anything in particular. Do you want something for development, production, or both? Does it need to lock? What size wire gauge? etc etc.

author: mariush
author_rank: Super Contributor
timestamp: May 01, 2024, 08:01:26 pm
content: Lots of 2 mm optionsAdamTech 2SH, 2BHR :https://www.digikey.com/short/8p5rjm02Harwin M22Hirose DF3 :https://www.digikey.com/short/mdfhmwqfHirose DF11 :https://www.digikey.com/short/zzq4mf23JST PA, PAD, PH , PHD , PUD :https://www.digikey.com/short/nbzqq79dTE HPI :https://www.digikey.com/short/v0hhtvmtMolex Milli-Grid, Micro-Clasp, Micro-Latch , Micro-One etc

author: Wilson__
author_rank: Frequent Contributor
timestamp: May 01, 2024, 10:06:16 pm
content: Many thanks.Many older consumer electronics year 1980 on ward (may be still now), CD player, normally has multiple boards. CD is main board and front-panel-display-and-push button board.I recall seeing many 'white color' connectors, may be six to twelve in a product? Is that the 2mm pitch that many of you talk about here.

author: CaptDon
author_rank: Super Contributor
timestamp: May 02, 2024, 01:15:32 am
content: Xilinx used the 2mm headers before they were common. 2mm stuff on the platform programmer and then an adapter with standard .1" header pins. To say I hate Xilinx and their whacko ideas including their huge platform cable unsupported drivers screwup when functioning Win7 systems were upgraded to Win10 and suddenly the older ISE stuff could no longer find the platform cable, coupled with the newer Shitvado that works with Win10 but no longer supports the older Xilinx devices (We have 1000's of in warranty boards in the field with the older parts) are just a few of the reasons we stopped 'designing in' Xilinx products! A lot of stuff today does use 2mm headers and are commonly available in many configurations.

author: DaJMasta
author_rank: Super Contributor
timestamp: May 02, 2024, 04:11:23 am
content: If you need real small, 1.27mm (0.05 inch) is also fairly common, though harder to work with and not something I wouldn't want to be replugging much in development.

author: Wilson__
author_rank: Frequent Contributor
timestamp: May 02, 2024, 04:27:25 am
content: Thanks for advises from the group.Just read JST and they make several size from 2mm to 0.8mm.Wonder if 1mm is easy to buy. Seem some seller on web.I can live with 1mm connector on target and then short cable to solder to 0.1 inch header that has long life on repeated plug/inplug during debug cycles. The 1mm node unplugged at the very ending tests run.

author: notsob
author_rank: Frequent Contributor
timestamp: May 02, 2024, 04:30:36 am
content: This JST connector guide may helphttps://www.mattmillman.com/info/crimpconnectors/common-jst-connector-types/

author: Nominal Animal
author_rank: Super Contributor
timestamp: May 02, 2024, 05:17:55 am
content: Quote from: Wilson__ on May 01, 2024, 10:06:16 pmThe larger ones look to be JST XH connectors (0.1" = 2.54mm pitch).The smaller ones could indeed be JST PH (2.0mm pitch). JST HY is also 2.0mm pitch, but with latches in the connectors.JST PH board connectors have a plastic shround and pins. On the wire JST PH connector, you have a housing and individual (female) pins, that are crimped to your wires. With good crimpers, making your own JST PH cables is very easy; but exactly what are good crimpers for JST PH is a funky question. There are some really good but expensive crimpers, lots of cheap but bad ones, and a couple of "nice and good but only for hobbyist use really" cheap crimpers.As a cheap/poor hobbyist, I like the PH2.0 kits with assortment of parts from eBay/Banggood/AliExpress et cetera. They are extremely common in both Arduino-like stuff (Crowtail etc.) and RC cars, planes, drones, etc. For more professional stuff, I'd look at Mouser/Digikey/etc. for similar pitch Molex (especially MicroBlade), or TE Connectivity or Amphenol connectors, terminals, and housings.For plain male and female pin headers in single and double rows, 0.1" = 2.54mm pitch is most common, but both 2.0mm pitch and 0.05" = 1.27mm pitch in both through hole and SMD are easily available. For a board-to-board or programming connector on a tiny board, I might consider using Amphenol "MiniTek 127", 20021321-00006, a 6-pin (2×3) female SMD header at 0.05" = 1.27mm: it's only 4.3mm×3mm, and one can leave it out completely, just having the 2×3 SMD pads exposed. It's really a board-to-board connectors, and the corresponding male through-hole pins are Amphenol 20021111-00006 (straight),20021112-00006 (90 degree angled), and SMD 20021121-00006.

author: Wilson__
author_rank: Frequent Contributor
timestamp: May 02, 2024, 10:08:46 am
content: 3-pin JST-SH debug port on the Raspberry Pi Pico Hhttps://thepihut.com/products/debug-cable-for-raspberry-pi-pico?variant=42219626561731&currency=GBP&utm_medium=product_sync&utm_source=google&utm_content=sag_organic&utm_campaign=sag_organic&gad_source=1&gclid=EAIaIQobChMI9-bUrNvuhQMVfIBQBh32XgCWEAQYASABEgLczPD_BwE

author: mariush
author_rank: Super Contributor
timestamp: May 02, 2024, 10:48:51 am
content: Quote from: Wilson__ on May 02, 2024, 04:27:25 amWith less than 1.27mm spacing between pins, you'll want to be careful because it may be too difficult to route traces between pins in dual row connectors due to limitations of the company making your pcb and you may not be able to get wide/thick enough traces to connectors.

author: Nominal Animal
author_rank: Super Contributor
timestamp: May 02, 2024, 12:11:16 pm
content: Many common ribbon cables have 0.05" = 1.27mm pitch, which makes them particularly nice to use with 0.05"/1.27mm pitch headers.2.0mm pitch headers are easier to solder to wires, though.

author: Wilson__
author_rank: Frequent Contributor
timestamp: May 02, 2024, 12:50:20 pm
content: Can buy pre-made housing with cable, one row of 6 or 7 pins. The loose end of cable will solder to SWD programmer that is 0.1 inch pitch