XF2B For FPC Rotary Backlock Connector (0.3-mm Pitch, Dual Contact) Rotary Backlock Mechanism with 0.3-mm Pitch • Wide molding wall on the rear bottom of the connector allows greater freedom in board design. • Dual contact reduces the number of parts. • 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 50 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 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 XF2B-@@@5-31A Terminal No.2 PCB Dimensions (TOP VIEW) A (1.4) 0.3 0.6 0.15 A ± 0.05 0.3 ± 0.05 0.6 ± 0.05 (0.1) 0.75 ± 0.05 Cross-section diagram: X-X Terminal No.2 5.4 ± 0.1 0.3 ± 0.05 2.15 1.6 (Effective stacking length) 0.75 ± 0.05 (0.1) 0.8 (Effective stacking length) XF2B Terminal No.1 Reference pin mark B (1.1) 0.3 ± 0.05 0.6 ± 0.05 Terminal No.1 ± 0.05 0.12 0.6 B D Recommended FPC Dimensions 0.5 X A ± 0.03 0.6 ± 0.02 0.3 +0.04 -0.03 (2.1) 1.2 X Pins*1 17 21 23 25 27 31 33 35 39 41 45 51 61 Model XF2B-1745-31A XF2B-2145-31A XF2B-2345-31A XF2B-2545-31A XF2B-2745-31A XF2B-3145-31A XF2B-3345-31A XF2B-3545-31A XF2B-3945-31A XF2B-4145-31A XF2B-4545-31A XF2B-5145-31A XF2B-6155-31A 0.1 C Table of Dimensions 0.55 A 4.2 5.4 6.0 6.6 7.2 8.4 9.0 9.6 10.8 11.4 12.6 14.4 17.4 B 4.8 6.0 6.6 7.2 7.8 9.0 9.6 10.2 11.4 12.0 13.2 15.0 18.0 C 5.5 6.7 7.3 7.9 8.5 9.7 10.3 10.9 12.1 12.7 13.9 15.7 18.7 D 7.0 8.2 8.8 9.4 10.0 11.2 11.8 12.4 13.6 14.2 15.4 17.2 20.2 0.5 1.23 5.2 5.5 4.5 (Reinforcement board) 1.2 ± 0.1 2 ± 0.1 1.6 2.5 Effective stacking length 1 ± 0.1 0.25 ± 0.1 0.3 ± 0.07 0.3 ± 0.02 0.6 ± 0.02 0.3 +0.04 -0.03 B ± 0.03 (B + 0.6) ± 0.05 ± 0.3 0.8 (Effective stacking length) 2-R0.2 MAX T = 0.2 ± 0.03 (Conductive plating) ■ Ordering Information Pins*1 17 21 23 25 27 31 33 10 Model XF2B-1745-31A XF2B-2145-31A XF2B-2345-31A XF2B-2545-31A XF2B-2745-31A XF2B-3145-31A XF2B-3345-31A Pins*1 35 39 41 45 51 61 - Model XF2B-3545-31A XF2B-3945-31A XF2B-4145-31A XF2B-4545-31A XF2B-5145-31A XF2B-6155-31A* 3 - Quantity per reel (unit) *2 1,500 *1. Please consult your OMRON representative for available pin count. *2. Please order by integer multiple of the quantity per reel. *3. Upper contact.