Differences

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--- guides:electrical_connectors [2009/11/23 13:57] – Add polarity note spikeuk
+++ guides:electrical_connectors [2009/11/24 08:21] (current) – Correct minor errors and add link to RCY crimp tool spikeuk
@@ Line 1: / Line 1: @@
 ===== DC Power =====
 This probably does not need saying, but it's the usual convention that power sources are fitted with sockets, and loads with plugs. Stops you grabbing a hand full of volts by mistake ;-)
-==== JST - RCY ====
+All of the connectors below are two-pole and have some sort of polarization system to ensure correct mating.
+==== 3A JST - RCY ====
 {{guides:jst_rcy_02.jpg |JST RCY series connectors}}
-This pattern of connector is common in the Radio-Controlled (mainly airborne) model field. Frequently called "JST", or "BEC" (Battery eliminator circuit) they are a two-part, two-pole, 2.5mm pitch connector with crimped pins. The connector housing is invariably red in colour, although these are available in white.
+This pattern of connector is common in the Radio-Controlled (mainly airborne) model field. Frequently called "//JST//", or "//BEC//" (Battery eliminator circuit) they are a two-part, two-pole, 2.5mm pitch connector with crimped pins. The connector housing is invariably red in colour, although these are also available in white.
-The manufacturers of this connector is JST (Japanese Solderless Terminals), and these connectors are part of their RCY series. Please see [[https://www.jst.co.uk/productSeries.php?pid=12605|product web page]] or [[http://www.jst.co.uk/downloads/series/eRCY_1.pdf|pdf data sheet]] for full details.
+The manufacturers of this connector is //JST// (Japanese Solderless Terminals), and these connectors are part of their //RCY// series. Please see [[https://www.jst.co.uk/productSeries.php?pid=12605|product web page]] or [[http://www.jst.co.uk/downloads/series/eRCY_1.pdf|pdf data sheet]] for full details.
 This is rated at 3A at up to 250V over the temperature range -25°C to +85°C.
@@ Line 20: / Line 22: @@
   * Male pin - SYM-001T-P0.6
-The pole marked "1" is normally -Ve, and "2" is +Ve.
+The pole marked "1" is normally -Ve (black), and "2" is +Ve (red).
+Considering the ubiquitousness of this connector, they are surprising difficult to obtain in sensible quantities in the UK. There are several vendors on eBay that offer ready-made cable assemblies with flying leads. The [[https://order.jst-mfg.com/InternetShopCustomer/index.jsp?productCategory=0|JST-UK online shop]] will sell you pins in multiples of 8,500 and housings in batches of 1,000! If you feel lucky you may be able to blag free samples from their [[https://www.jst.co.uk/cart.php|sample page]].
+A UK company called "//Model Power//" are offering these connectors in multiples of five for about £2.65 a set. The female connector (that they call a "plug") is listed [[http://store.modelpower.co.uk/bec--jst-plug-kits-x5-89-p.asp|here]] with the mating male half (that they call a "socket") [[http://store.modelpower.co.uk/bec--jst-socket-kits-x5-90-p.asp|here]].
-Considering the ubiquitousness of this connector, they are surprising difficult to obtain in sensible quantities in the UK. There are several vendors on eBay that offer ready-made cable assemblies with flying leads. The [[https://order.jst-mfg.com/InternetShopCustomer/index.jsp?productCategory=0|JST-UK online shop]] will sell you pins in multiples of 8,500 and housings in batches of 1,000! If you feel lucky you may be able to blag free samples from the their [[https://www.jst.co.uk/cart.php|sample page]].
+//Model Power// also stock the appropriate [[http://store.modelpower.co.uk/ratchet-crimping-tool-297-p.asp|crimp tool]] - a snip at £16.95 a go.
-A company called "Model Power" are offering these connectors in multiples of 5 for about £2.65 a set. The female connector (that they call a "plug") is listed [[http://store.modelpower.co.uk/bec--jst-plug-kits-x5-89-p.asp|here]] with the mating male half (that they call a "socket") [[http://store.modelpower.co.uk/bec--jst-socket-kits-x5-90-p.asp|here]].
+==== 50A Deans Ultra ====
+Commonly called "T Plugs" or just "Deans". These are a much higher rated connector,
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