XF3A For FPC Rotary Backlock Connector (0.3-mm Pitch, Upper Contact) On-board height 0.6 mm, the lowest class profile in the industry. Rotary Backlock Connectors with 0.3-mm pitch. • Wide molding wall on the rear bottom of the connector allows greater freedom in board design. • Upper Contact • Gold plated with an applicable FPC thickness of 0.2 mm. • Halogen Free (*) * OMRON uses the following standard to determine halogen-free construction: 900 ppm max. for Br, 900 ppm max. for Cl, and 1,500 ppm max. for Br+Cl. RoHS compliant ■ Ratings and Specifications Rated current Rated voltage Contact resistance Insulation resistance Dielectric strength Insertion durability Ambient operating temperature ■ Materials and Finish 0.2 A AC/DC 50 V AC/DC 80 mΩ max. (at 20 mV DC max., 100 mA max.) 100 MΩ min. (at 250 V DC) 250 V AC for 1 min. (leakage current: 1 mA max.) 10 times −30 to 85 °C (With no icing or condensation) Housing Slider LCP resin (UL94 V-0)/natural LCP resin (UL94 V-0)/black Spring copper alloy/nickel substrate (2 μm) Gold-plated contacts (0.15 μm) Contacts ■ Dimensions XF3A-@@55-41A Terminal No.2 PCB Dimensions (TOP VIEW) A (0.12) A F D ± 0.03 0.60 ± 0.03 0.30 ± 0.03 0.30 ± 0.02 Terminal No.2 0.75 ± 0.03 Cross-section diagram: X-X 3.10 (1.7) F 0.75± 0.03 (1.56) 1 Effective stacking length 0.45 Effective stacking length 1.65 (0.45) (0.45) 3.40 (0.10) Pin number indication Terminal No.1 Reference pin mark FPC insertion dimension B Unlocked C D 0.60 0.60 R0.20 max. E ± 0.05 C ± 0.03 D ± 0.03 0.60 ± 0.02 0.30 ± 0.02 0.30 ± 0.03 0.15 ± 0.1 0.65 ± 0.1 0.75 ± 0.1 1.40 ± 0.1 (1) Effective stacking length Locked 0.30 Table of Dimensions Model XF3A-0855-41A XF3A-1255-41A XF3A-1755-41A XF3A-2355-41A XF3A-2555-41A XF3A-5155-41A 0.30 ± 0.02 C ± 0.03 Recommended FPC Dimensions 0.30 ± 0.07 3.80 Pins*1 8 12 17 23 25 51 2.15 ± 0.03 XF3A 3.80 (0.12) Terminal No.1 A 3.8 5.0 6.5 8.3 8.9 16.7 0.60 B C D E F 2.75 2.1 1.8 2.7 3.1 3.95 3.3 3.0 3.9 4.3 5.45 4.8 4.2 5.4 5.8 7.25 6.6 6.0 7.2 7.6 7.85 7.2 6.6 7.8 8.2 15.65 15.0 14.4 15.6 16.0 (0.45) Effective stacking length 1.50 min. 0.12 ± 0.03 2 min. (Reinforcement board) 0.10 ± 0.03 0.10 ± 0.03 0.30 ± 0.03 0.20 ± 0.03 ■ Ordering Information Pins*1 8 12 17 23 25 51 Model XF3A-0855-41A XF3A-1255-41A XF3A-1755-41A XF3A-2355-41A XF3A-2555-41A XF3A-5155-41A Quantity per reel (unit) *2 *1. Please consult your OMRON representative for available pin count. *2. Please order by integer multiple of the quantity per reel. 4,000 7