XF3B For FPC Rotary Backlock Connector (0.3-mm Pitch, Dual Contact) Rotary Backlock Mechanism with 0.3-mm Pitch and Low Profile of 0.9 mm • Wide molding wall on the rear bottom of the connector allows greater freedom in board design. • Dual contact model to enhance the contact structure of lower 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.) 20 times −30 to 85 °C (With no icing or condensation) Housing Slider Contacts LCP resin (UL94 V-0)/natural LCP resin (UL94 V-0)/brown Spring copper alloy/nickel substrate (2 μm) Gold-plated contacts (0.15 μm) ■ Dimensions XF3B-@@45-31A XF3B-@@45-31AE PCB Dimensions (TOP VIEW) (1.4) 0.6 0.3 Terminal No.2 A ± 0.05 A 0.12 0.6 ± 0.05 0.3 ± 0.05 0.3 ± 0.05 0.65 ± 0.05 Cross-section diagram: X-X 1.8 1.1 Effective stacking length 0.55 Effective stacking length XF3B 3.4 0.1 Terminal No.1 Terminal No.1 0.6 ± 0.05 0.6 ± 0.05 0.3 ± 0.05 B ± 0.05 0.12 0.6 Recommended FPC Dimensions B (1.1) (4.2) 2.95 ± 0.05 Terminal No.2 (0.2) Locked 4.5 4 C Reference pin mark * (2.3) X A ± 0.03 0.6 ± 0.02 0.1 ± 0.02 * (0.2) (2.3) (2.1) (1.6) 0.9 * X 0.35 D FPC insertion dimension Pins*1 8 19 25 35 51 67 Model XF3B-0845-31A XF3B-1945-31A XF3B-2545-31A XF3B-3545-31A XF3B-5145-31AE XF3B-6745-31AE 1.4 ± 0.1 0.85 ± 0.1 0.75 ± 0.1 0.25 ± 0.1 B C D 2.1 4.3 2.75 5.4 7.6 6.05 7.2 9.4 7.85 10.2 12.4 10.85 15.0 17.2 15.65 19.8 22.0 20.45 (0.55) Effective stacking length 2 ± 0.3 1.45 ± 0.1 0.3 ± 0.02 * Dotted lines indicate the shape and dimensions of the XF3B-@@45-31AE connectors. A 1.8 4.8 6.6 9.6 14.4 19.2 (1.1) Effective stacking length 0.4 3.8 Table of Dimensions + 0.04 0.3 – 0.03 (0.2) + 0.04 0.2 ± 0.03 0.3 – 0.03 0.6 ± 0.02 (0.3)± 0.07 B ± 0.03 (B + 0.6) ± 0.05 2-R0.2 MAX 0.3 ± 0.07 T = 0.2 ± 0.03 (Conductive plating) ■ Ordering Information Pins*1 8 19 25 35 51 67 8 Model XF3B-0845-31A XF3B-1945-31A XF3B-2545-31A XF3B-3545-31A XF3B-5145-31AE XF3B-6745-31AE Quantity per reel (unit) *2 2,000 1,500 3 (Reinforcement board) *1. Please consult your OMRON representative for available pin count. *2. Please order by integer multiple of the quantity per reel.