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97-3101B-16S-21PW Datasheet(PDF) 4 Page - Amphenol Corporation |
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97-3101B-16S-21PW Datasheet(HTML) 4 Page - Amphenol Corporation |
4 / 44 page 2 Guide to Selecting a Connector In selecting a connector, it first must be determined if a non-environmental 97 A or B Series 5015 type is required or if an environmental MS-5015 Class E, F, or R type* is required. If determined that the general duty, non-environmental 97 series is the choice - then this catalog is appropriate to your needs The following 8 steps apply to for- mulation of a part number.** How many wires are you going to connect? What gauge? These two questions are important, because they indicate which insert you need. There are literally hundreds to choose from. The insert arrangements for solder contact connectors are illustrated on pages 6-11. The inserts most often used are highlighted on these pages. Here’s an example of how to choose an insert arrangement. Say you want to connect eight 16-ga. wires, - first find the section of arrangements contain- ing 8 contacts. Insert number 20-7 is the one you want because it contains eight 16-ga. contacts and it is one of the most often used. The one you choose might depend on your space or voltage requirements. The voltage capacity of each insert is listed under its diagram. If you have more than one wire size to connect, the method is essentially the same. Actually, the insert configu- rations for multiple-size wires are a lot more flexible than they appear. That’s because you can always solder a smaller wire to a larger contact. How- ever, soldering a large wire to a small contact isn’t recommended because of size and current requirements. What if several identical connectors have different functions? Here’s a situation to watch out for. You have four identical receptacles on a panel. One carries high current loads. The others have low current functions. A plug mated with the wrong receptacle (cross-mating) could ruin your valu- able equipment. To avoid cross-mating, you can order identical inserts positioned in both the plugs and receptacles at vari- ous angles from standard. These varia- tions from standard position are called alternate insert positions, and are described on page 12. What kind of receptacle do you need? For Wall Mounting Use a wall recep- tacle, type 3100. The elongated back of this receptacle extends through thick wall material. It is threaded to accept standard hardware fittings. For Unmounted Applications Use the cable receptacle, type 3101. For Box or Panel Mounting Use the box receptacle, type 3102. This recep- tacle’s back is short to conserve space. It is not threaded on the back end and is used when no accessories such as clamps are needed. What kind of plug do you need? For ordinary situations The straight plug, type 3106 meets most connector requirements. However . . . when space is critical you may want to consider using an angle plug, type 3108. This type plug lets the cable enter your equipment at a right angle. Do you need a plug with a Solid or Split back shell? You can get both straight and angle plugs in solid or split back shell designs. With the solid shell you have greater strength and you save space. On the other hand, the split shell design lets you quickly inspect the sol- der terminals when you need to. This feature could be important if you’ll be subjecting the connector to rough han- dling and heavy use. The designation to use for solid shell construction is the letter A. This designation letter goes immediately after the main shell type number: for example, 3106A or 3108A. The designation for split shell construc- tion is the letter B; for example, 3106B or 3108B. Because of application, receptacles are made in solid backshell construc- tion only. Their designation is 3100A, 3101A. (See how to order for solder contact connectors, page 19. Which connector gets the socket? - the receptacle or the plug? You’re at the point where you desig- nate which inserts are used with which shells. Either pin or socket inserts can be used with plugs or receptacles. Here’s a good rule of thumb. Order the sockets for the connector at the “hot” side of the circuit. By having sock- ets at the power source, there’s little chance that a wayward finger or screw- driver will short the circuit or cause per- sonal injury. The designation for sockets is sim- ply S in a part number, following the insert code number. For pins, the des- ignation is P. Therefore, the 20-7P insert would have pin contacts, while the 20-7S insert would have socket contacts. What type of plating is pre- ferred? If you prefer the standard olive cad- mium, non-reflective, electrically con- ductive finish, then no suffix number is required. Other plating variations are available, including environmentally friendly zinc alloy. See how to order instructions for the various plating fin- ishes offered for 97 Series solder con- nectors on page 19. Do you need any accessories? Accessories - cable clamps, protection caps and chains, conduit adapters, and panel gaskets are shown on pages 33- 39. * If an environmental type MIL-5015 E, F or R Class is required, then the catalog that should be consulted is 12-020, MS/Standard MIL-5015 Cylindrical Connectors. See www.amphenol-industrial.com for on-line catalogs or contact Amphenol, Sidney, NY. ** These steps are for solder type connectors which are described in detail on pages 3-19. If a crimp type connector is needed, the same steps apply, however, you should consult pages 20-29 for details on 97 Series connectors with crimp contacts. 1 2 3 4 5 6 7 8 |
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