Help with Centronics Connectors specifications:
General Specifications
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| Micro Connector | Micro connectors and Nano connectors exhibit contacts with a pitch of 0.05" (micro) and 0.025'' (Nano), respectively. | ||
| Search Logic: | "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice. | ||
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| Gender | |||
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| Male / Plug | Male connectors or plugs are often referred to as header or free connectors. In coaxial RF connectors, the plug is normally the movable portion and is usually attached to a cable or removable sub-assembly. In shell type multiple-contact connectors, the plug usually contains the socket contacts and is mounted on the "hot" (rack) side of the system. Plugs mate with receptacles, jacks, outlets, etc. | ||
| Female / Jack | Female connectors or jacks are connecting devices into which plugs are inserted to make circuit connections. | ||
| Other | Other unlisted gender type. | ||
| Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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| Geometry | |||
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| Straight | The connector does not bend. | ||
| Right Angle | The connector is bent at a right angle. | ||
| Other | Other unlisted geometry. | ||
| Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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| Mounting Style | |||
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| Surface Mount (SMT) | Surface mount technology (SMT) places small components on the surface of a printed circuit board. Soldering permanently attaches connectors to PCB traces. Unlike PC mount connectors, however, SMT connectors do not require drilled holes in the PCB. Using smaller components allows for higher frequencies of operation, smaller board size, etc. | ||
| PC Mount | Connectors directly attach to the printed circuit board through pre-drilled holes in the board. Soldering permanently attaches connectors to PCB traces. | ||
| Receptacle / Dummy Receptacle | Connectors with receptacle mounting are used in applications where the connector is required to fit a panel cutout. Dummy receptacles are receptacles that do not have provisions for attaching conductors. They are generally used for storage of a cable assembly connector plug. | ||
| Other | Other unlisted, specialized, or proprietary styles. | ||
| Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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Applications
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| Applications / Categories | |||
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| SCSI Connectors | Small computer system interface (SCSI) connectors are used to connect peripherals to computers. These connectors are parallel devices. | ||
| PCB Connectors | Printed circuit board (PCB) connectors include USB, BNC, Centronics and D-Subminiature connectors, as well as headers, sockets, etc. | ||
| IEEE 1284 Connectors | IEEE 1284 connectors use a parallel port protocol. Three connectors conform to the IEEE 1284 standard: 1284 Type A (25-pin DB-25 connectors), 1284 Type B (full-size Centronics connectors), and 1284 Type C (half-size Centronics connectors). | ||
| Other | Other unlisted application types. | ||
| Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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RoHS Compliance
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| RoHS Compliant | Restriction of Hazardous Substances (RoHS) is a European Union (EU) directive that requires all manufacturers of electronic and electrical equipment sold in Europe to demonstrate that their products contain only minimal levels of the following hazardous substances: lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyl, and polybrominated diphenyl ether. RoHS will become effective on July 1, 2006. | ||
| Search Logic: | "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice. | ||
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Performance
The maximum current or maximum voltage defined by an approval organization may differ from the supplier's maximums. In many cases, the product can be used safely at an unapproved level. Check with the supplier for specific usage details.
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| Number of Contacts | The number of contacts is the number of conductive elements that mate with a corresponding element to provide an electrical path. | ||
| Search Logic: | User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria. | ||
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| Contact Resistance | Contact resistance is the measurement of electrical resistance of mated contacts when assembled in a connector under typical service use. Electrical resistance is determined by measuring from the rear of the contact area of one contact to the rear of the contact area of its mate (excluding both crimps) while carrying a specified test current. Overall contact resistance would be the wire-to-wire measurement. | ||
| Search Logic: | All matching products will have a value less than or equal to the specified value. | ||
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| Insulation Resistance | Insulation resistance is the electric resistance between two conductors separated by an insulating material. | ||
| Search Logic: | All matching products will have a value greater than or equal to the specified value. | ||
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More Specs
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| Contact Plating | The contacts of a connector are conductive element in a termination assembly that mates with a corresponding element for the purpose of transferring electrical energy. Plating is the overlaying of a thin coating of metal on metallic components to improve conductivity, provide for easy soldering or prevent rusting or corrosion. | ||
| Your choices are... | |||
| None | The connector contacts are not plated. | ||
| Copper Plating | Connector is available with gold-plated contacts copper. | ||
| Gold Plating | Connector is available with gold-plated contacts, for a more reliable electrical connection. Gold-plated contacts are more expensive than silver-plated or copper contacts, and are generally offered as an upgraded connector. | ||
| Nickel Plating | The connector is available with nickel-plated contacts. | ||
| Silver Plating | Connector is available with silver-plated contacts. | ||
| Other | Other unlisted, specialty, or proprietary contact plating. | ||
| Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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| Housing Material | |||
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| Metal | Housing is constructed of metal. | ||
| Plastic | Housing is constructed of plastic. | ||
| Other | Other unlisted or proprietary housing material. | ||
| Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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