ARP AMP INCORPORATED CUSTOMER HOTLINE APPLICATION 414-1032 Harrisburg, Pa. 17105 1 800 722-1114 SPECIFICATION REV | REASON MITA 156 ENGINEERING RELEASE DATE C Per ECN AG-704 RIBBON CABLE 1-20-83 D | Per Eng. Mark-up CONNECTOR ASSEMBLIES es (Figures 3 & 7) WILLIAM GENTRY 1. INTRODUCTION This specification covers the requirements for application of .156 centerline ribbon cable to AMP* MTA 156 wire-to-post, card edge and wire-to-wire connectors. Specific cable approved for use with these connectors is 18-26 AWG tin plated solid, 7 strand concentric fused, 7 and 19 strand concentric stranded cable per UL 2651 or 2884, standard PYC thermoplastic insulated class 12 with a 105C rating with a maximum insulation outside diameter of .094 when terminating one position at a time, or .070 when mass terminating. NOTE All dimensions on this docurnent are in inches unless otherwise specified, All dimensional tolerances are +.005 and angular tolerances are +1 unless otherwise specified. Metric equivalents (mm) can be calculated by multiplying the given dimension by 25.4. A Strain Relief Gene } onan ; eo , \ A Lie | Contact RN L Ribbon Cable | \ ~ Web Notched Area Housing Section A-A Fig. 1. Praduct Features 2. REFERENCE MATERIAL 2.1. Product Part Numbers and Product Code Product Part Number 772040 and Product Code 0526 are representative of the AMP MTA 156 Ribbon Cable Connector Assembly series. Use of these numbers will identify the product line and expedite your inquiries through an AMP service network established to help you obtain product and tecling inforrnation. Such information can be obtained through a local AMP Representative (Field Sales Engineer, Field Applications Engineer, etc.) or, after purchase, by calling the CUSTOMER HOTLINE at the top of the first page. 2.2. Customer Drawing An AMP Customer Drawing is available for each part number assigned to this product line. in the event of a conflict between this specification and the customer drawing, the custamer drawing information will take precedence. *Trademark of AMP Incorporated Copyright 1979, 1980, 1989 by AMP Incorporated. All International Rights Reserved. PAGE 1 OF 6114-1032 MTA 156 RIBBON CABLE CONNECTORS 2.3. Product Specifications AMP Product Specifications 108-1051 (wire-topost}), 108-1058 {card edge), and 108-1065 (wire-towire) provide performance requirements and test data relating to connectors. 2.4. Instructional Material Instruction Sheet IS 6521 covers cable preparation and notching procedure, and instruction Sheets IS 7995, IS 6701, and IS 6923 cover tooling for terminating connectors to ridbon cable. 3. REQUIREMENTS 3.1. Gonnector Selection Determine the wire size specified for your application, then select a connector of the color that matches the wire size. See Figure 2. WIRE SIZE (AWG) CONNECTOR COLOR 18 Orange 20 Yellow a2 Red 24 Natural 26 Blue Fig. 2. Connector Selection 3.2. Cable Ends Ends of the cable shall be prepared as indicated in Figure 3. A- | tL | .o10| A | Per Inch of Cable Width -- Fig. 3. Cable Edge-toEnd Alignment 3.3. Cable Preparation Cable shall be notched, as indicated in the individual ribbon cable connector assembly drawing, according to the requirements specified in Figure 4. Conductor shall not be exposed after notching, nor shail individual wire strands be cut or nicked. Insulation .156 Conductor .062-.080 .O62.080 | (Typ) iE { ee S55 = = 3 Koro f = 4 = ~ = =. t a i _ J I 1 4 | Web _ =: = = = = .070 Dia p 094 Max \t (Max) For After : me .400-.600e .500-1.0006 Mass Notching Terminating (Typ) FLUSH-MOUNT NOTCH FEED-THRU NOTCH RIBBON CABLE END VIEW The dimensions shown represent the recommended minimum and maximum fer notches; the actual dimension will depend on your application requirements. Fig. 4. Cable Dimensions PAGE 2 OF 6MTA 156 RIBBON CABLE CONNECTORS 114-1032 3.4. Cable Termination After termination, cable shall meet the requirements specified in Figure 5, and assembly shall meet the requirements of Figure 6. _ .060 Min Conductor +.013 095 -.005 NAAN Centerline of Conductor Fig. 5. Conductor Placement in Contact Wye. = | i 2. FLUSH-MOUNT FEED-THROUGH Fig. 6. Connector and Cable Alignment PAGE 3 OF 6114-1032 MTA 156 RIBBON CABLE CONNECTORS 3.5. Contact Damage There shall be no evidence of physical damage or distortion to any portion of the contact after cable termination. 3.6. Housing Damage A. Visible Damage There shall be no cracks, breaks, or other visible damage to the housing due to cable termination. B. Skiving Skiving of plastic on the inside wall of the housing cavity is permissible provided that conditions specified in Paragraph 3.6.A. are met. 3.7. Broken Strands There shall be no broken strands in the conductor after termination. 3.8. Exposed Conductor Exposed conductors shail not exceed the limits specified in Figure 7 after termination. Bare Wires Shatl Not be Visible Beyond Back of Housing Top of Contact "1g Bare Wires Shall Back of Housing Nat Extend Above Top of Contact Fig. 7. Exposed Conductor Limitation PAGE 4 OF 6MTA 156 RIBBON CABLE CONNECTORS 114-1032 3.9. Conductor Insulation Conductor insulation shall be contained within the confines of the insulation strain relief as indicated in Figure &. -042 Insulation Strain Relief Conductor Insulation Fig. 8. Strain Relief 4. QUALIFYING SUPPORT AMP MTA 156 Ribbon Cable Connector Assemblies are UL recognized and CSA certified. 5. TOOLING 5.1. Notching Cable For ribbon cable notching, use AMP Ribbon Cable Notching Tool 59835-1. For instructions, refer to instruction Sheet IS 6521, 5.2. Terminating Cable For attaching connectors to ribbon cable, use the AMP Arbor Frame Assembly, Upper Tooling, and Holding Fixture thal matches the connector type that you are terminating. See Figure 9. ef Arbor { Sy Frame Shy ae : EX) Assembly [ Neer i Upper Tooling 2 ~NAS SON ~ Se Holding SNe - - Fixture CONNECTOR HOLDING FIXTURES (IS 7995) UPPER TOOLING ARBOR FRAME ASSY STYLE FLUSH-MOUNT | FEED-THROUGH (IS 6701) (IS 6923) Card Edgee 58006-1 58040-1 58024-1 Card Edge 59848-1 Posted 58008-1 8010-1 Receptacle 58244-| 58245-1 @ For card edge connectors of 16 positions or greater with mounting ears, Fig. 9. Tool Selection PAGE 5 OF 6114-1032 MTA 156 RIBBON CABLE CONNECTORS 6. VISUAL AID Figure 10 shows a properly terminated AMP MTA Ribbon Cable Connector Assembly. The illustrations depict, in general, the conditions that production personnel should check to ensure a4 correct installation. THERE SHOULD BE NO LOOSE CONDUCTOR WIRE MUST EXTEND THROUGH BOTH STRANDS AFTER WIRE TERMINATION BEAMS OF CONTACT AND WIRE END WELL BEYOND SECOND BEAM WLLL LLL INSULATION MUST BE BELOW STRAIN RELIEFS BUT NOT BOTTOMED IN HOUSING CAVITY FIG. 10. VISUAL AID PAGE 6 OF 6