Half-pitch Board-to-Board Connectors XH2 Allows High-density Mounting for Electronic Devices. A Half-Pitch Connector with a 1.27-mm Pitch for Compactness. ■ A pitch of 1.27 mm for high-density mounting of double-row arrangements. ■ A quadruple-row staggered arrangement (1.27 mm x 1.905 mm) for board connection. ■ Leaf contact construction enables smooth mating and resistance to bending. ■ Space saving mating length of 3.1 mm. ■ Press fitting assures long-term contact quality. The gold/palladium plating has been improved for better contact reliability. ■ A special finish improves flux resistance (Straight Terminals only). Also it has fastening pins to stan- dardize all the contacts. ■ Can be mounted to boards with screws. ■ The XH2 conforms to UL standards (file no. E103202). ■ Not mated with XH3 and XH4 Half-pitch Connec- tors. RoHS Compliant ■ Ratings and Characteristics ■Materials and Finish Rated current 0.5 A Item Plug Socket Rated voltage 125 VAC Type Contact resistance 30 mΩ max. (20 mV max., 100 mA max.) Housing PBT (UL94 V-0)/black (See note.) Locator PBT (UL94 V-0)/black Insulation resistance 1,000 MΩ min. (at 500 VDC) Contact Mating Phosphor bronze/nick- Phosphor bronze/ Dielectric strength 650 VAC for 1 min end el base, gold/palladi- nickel base, gold/ (leakage current: 1 mA max.) um plating palladium plating Total insertion force 0.78 N max. per contact Terminal Phosphor bronze/nick- Phosphor bronze/ el base, tin plating nickel base, tin plat- Total removal force 0.10 N min. per contact ing Insertion durability 400 times Fastening pins Copper alloy/tin plating Ambient operating −55 to 105°C (with no condensation or temperature icing) Note: The contact resistance is for the XH2A-@@42 combined with the XH2B-@@41. 1 XH2A Plug, Straight DIP Terminals ■ Dimensions (unit: mm) XH2A-@@41 (Straight DIP Terminals) Two, 2.1 dia. Triangular mark With fastening pins XH2A-@@41-A (Straight DIP Terminals (applicable board thickness: 1.6 mm) with Fastening Pins) 20, 40, 60, 68, 80, or 100 contacts Dimensions 30 or 50 contacts Dimensions AB CD (mm) No. of contacts 20 25.4 19.05 15.8 11.43 Reference 30 31.8 25.40 22.2 17.78 Mounting holes 40 38.1 31.75 28.5 24.13 (bottom view) 50 44.5 38.10 34.9 30.48 30 or 50 contacts 60 50.8 44.45 41.2 36.83 68 55.9 49.53 46.3 41.91 20, 40, 60, 68, 80, or 100 contacts 80 63.5 57.15 53.9 49.53 +0.1 Two, 2.2 dia. 0 100 76.2 69.85 66.6 62.23 +0.1 0.8 dia. 0 Triangular mark Reference ■ Ordering Information Model Plug/Straight DIP Terminals Plug/Straight DIP Terminals with fastening pins (See note.) No. of contacts 20 XH2A-2041 XH2A-2041-A 30 XH2A-3041 XH2A-3041-A 40 XH2A-4041 XH2A-4041-A 50 XH2A-5041 XH2A-5041-A 60 XH2A-6041 XH2A-6041-A 68 XH2A-6841 XH2A-6841-A 80 XH2A-8041 XH2A-8041-A 100 XH2A-0141 XH2A-0141-A Note: Applicable board thickness is 1.6 mm. 2 Half-pitch Board-to-Board Connectors XH2 XH2A Plug, Right-angle DIP Terminals ■ Dimensions (unit: mm) XH2A-@@42 (Right-angle DIP Terminals) Two, 2.1 dia. Triangular mark XH2A-@@42-A (Right-angle DIP Terminals with Fastening Pins) With fastening pins (applicable board thickness: 1.6 mm) 30 or 50 contacts 20, 40, 60, 68, 80, or 100 contacts Dimensions Dimensions AB CD (mm) No. of contacts Reference Mounting holes 20 25.4 19.05 15.8 11.43 (bottom view) 30 31.8 25.40 22.2 17.78 30 or 50 contacts 20, 40, 60, 68, 80, or 100 contacts 40 38.1 31.75 28.5 24.13 +0.1 Two, 2.2 dia. 50 44.5 38.10 34.9 30.48 0 60 50.8 44.45 41.2 36.83 68 55.9 49.53 46.3 41.91 80 63.5 57.15 53.9 49.53 100 76.2 69.85 66.6 62.23 +0.1 0.8 dia. 0 Triangular mark Reference ■ Ordering Information Model Plug/Right-angle DIP Plug/Right-angle DIP Terminals Terminals with fastening pins (See note.) No. of contacts 20 XH2A-2042 XH2A-2042-A 30 XH2A-3042 XH2A-3042-A 40 XH2A-4042 XH2A-4042-A 50 XH2A-5042 XH2A-5042-A 60 XH2A-6042 XH2A-6042-A 68 XH2A-6842 XH2A-6842-A 80 XH2A-8042 XH2A-8042-A 100 XH2A-0142 XH2A-0142-A Note: Applicable board thickness is 1.6 mm. Half-pitch Board-to-Board Connectors XH2 3 XH2B Socket, Straight DIP Terminals ■ Dimensions (unit: mm) XH2B-@@41 (Straight DIP Terminals) Triangular mark Two, 2.1 dia. With fastening pins XH2B-@@41-A (Straight DIP (applicable board thickness: 1.6 mm) Terminals with Fastening Pins) 20, 40, 60, 68, 80, or 100 contacts 30 or 50 contacts Dimensions Dimensions ABCD Reference (mm) No. of Mounting holes contacts (bottom view) 20 25.4 19.05 15.7 11.43 20, 40, 60, 68, 80, or 100 contacts 30 or 50 contacts 30 31.8 25.40 22.1 17.78 +0.1 Two, 2.2 dia. 40 38.1 31.75 28.4 24.13 0 50 44.5 38.10 34.8 30.48 60 50.8 44.45 41.1 36.83 68 55.9 49.53 46.2 41.91 80 63.5 57.15 53.8 49.53 100 76.2 69.85 66.5 62.23 +0.1 0.8 dia. 0 Triangular mark Reference ■ Ordering Information Model Socket/Straight DIP Terminals Socket/Straight DIP Terminals with fastening pins (See note.) No. of contacts 20 XH2B-2041 XH2B-2041-A 30 XH2B-3041 XH2B-3041-A 40 XH2B-4041 XH2B-4041-A 50 XH2B-5041 XH2B-5041-A 60 XH2B-6041 XH2B-6041-A 68 XH2B-6841 XH2B-6841-A 80 XH2B-8041 XH2B-8041-A 100 XH2B-0141 XH2B-0141-A Note: Applicable board thickness is 1.6 mm. 4 Half-pitch Board-to-Board Connectors XH2 XH2B Socket, Right-angle DIP Terminals ■ Dimensions (unit: mm) XH2B-@@42 (Right-angle DIP Terminals) Two, 2.1 dia. Triangular mark XH2B-@@42-A (Right-angle DIP Terminals with Fastening Pins) Triangular mark With fastening pins (applicable board thickness: 1.6 mm) 20, 40, 60, 68, 80, or 100 contacts 30 or 50 contacts Dimensions Dimensions ABC D (mm) No. of Mounting holes contacts (bottom view) Reference 20 25.4 19.05 15.7 11.43 20, 40, 60, 68, 80, or 100 contacts 30 or 50 contacts 30 31.8 25.40 22.1 17.78 +0.1 Two, 2.2 dia. 0 40 38.1 31.75 28.4 24.13 50 44.5 38.10 34.8 30.48 60 50.8 44.45 41.1 36.83 68 55.9 49.53 46.2 41.91 80 63.5 57.15 53.8 49.53 +0.1 100 76.2 69.85 66.5 62.23 0.8 dia. Triangular mark 0 Reference ■ Ordering Information Model Socket/Right-angle DIP Socket/Right-angle DIP Terminals Terminals with fastening pins (See note.) No. of contacts 20 XH2B-2042 XH2B-2042-A 30 XH2B-3042 XH2B-3042-A 40 XH2B-4042 XH2B-4042-A 50 XH2B-5042 XH2B-5042-A 60 XH2B-6042 XH2B-6042-A 68 XH2B-6842 XH2B-6842-A 80 XH2B-8042 XH2B-8042-A 100 XH2B-0142 XH2B-0142-A Note: Applicable board thickness is 1.6 mm. Half-pitch Board-to-Board Connectors XH2 5 ■ Accessories (Sold Separately) (unit: mm) XH2T-@@01 (Transparent for Plug) Dust Cover (material: ABS) XH2T-@@01 (for Plug) XH2T-@@02 (for Socket) XH2T-@@02 (Blue for Socket) Attach these Dust Covers to Connectors that are not in use. They do not protect the Connectors from flux during auto- mated soldering. ■ Ordering Information Note: Order the following models in multiples of the minimum order. Model XH2A (for Plug) XH2B (for Socket) Model Dimensions A (mm) Model Dimensions B (mm) No. of contacts 20 XH2T-2001 25 XH2T-2002 15 30 XH2T-3001 31 XH2T-3002 21 40 XH2T-4001 37 XH2T-4002 27 50 XH2T-5001 44 XH2T-5002 34 60 XH2T-6001 50 XH2T-6002 40 68 XH2T-6801 55 XH2T-6802 45 80 XH2T-8001 63 XH2T-8002 53 100 XH2T-0101 75 XH2T-0102 65 ■ Mating Diagram (Vertical/Horizontal/Stacking) (unit: mm) Vertical (standard) (See note.) Vertical (reverse) (See note.) Stacking Horizontal Plug Socket Socket XH2A-@@42 XH2B-@@42 Plug XH2B XH2A Socket -@@42 -@@42 XH2B -@@41 Plug Plug XH2A XH2A -@@41 Socket -@@41 XH2B -@@41 Note: The function of the standard and reverse models is the same as that of the standard XC5 DIN Connector. 6 Half-pitch Board-to-Board Connectors XH2 ■ Contact Numbers Item Mated diagram Mounting holes (bottom view) Model Plug, Straight Triangular mark Terminals Triangular mark Reference Reference Plug, Right-angle Triangular mark Terminals Triangular mark Reference Reference Socket, Straight Triangular mark Terminals Triangular mark Reference Reference Socket, Right-angle Triangular mark Terminals Triangular mark Reference Reference • Contact numbers are not printed on theOn the mating side, the row of terminalsThe triangular marks on the plug and connectors. Use the triangular mark (▼) on the triangular mark side are called row socket must be aligned when mated. The as a guide when designing and mounting a, and the row on the other side is called contact numbers on both sides must to boards. row b. The numbers are in the order match. shown. Soldering ■ Precautions Automated soldering Use tape to mask the Right-angle Terminal Correct Use Connector prior to automated soldering. Mating Compatibility XH2 Half-pitch Connectors do not mate with XH3 or XH4 Half-pitch Connectors. Special Finish for Masking tape Preventing Flux Rise XH2 Connectors (i.e., Straight Terminals) Automated Soldering have a special finish that prevents flux rise. (The Connectors are designed for auto- Conditions (Jet Flow) mated soldering. Brush coating flux from 1. Soldering temperature: 250±5°C the back of the board applies too much flux and may nullify the special finish. Never 2. Continuous soldering time: Within 5±1 s use this method to apply flux.) Half-pitch Board-to-Board Connectors XH2 7 • Application examples provided in this document are for reference only. In actual applications, confirm equipment functions and safety before using the product. • Consult your OMRON representative before using the product under conditions which are not described in the manual or applying the product to nuclear control systems, railroad systems, aviation systems, vehicles, combustion systems, medical equipment, amusement machines, safety equipment, and other systems or equipment that may have a serious influence on lives and property if used improperly. Make sure that the ratings and performance characteristics of the product provide a margin of safety for the system or equipment, and be sure to provide the system or equipment with double safety mechanisms. Note: Do not use this document to operate the Unit. OMRON Corporation Electronic and Mechanical Components Company Contact: www.omron.com/ecb Cat. No. G048-E1-02 1014(0412)(O)