XF2B For FPC Rotary Backlock Connector (0.3-mm Pitch, Dual-sided 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-sided 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 ■ Materials and Finish Rated current 0.2 A AC/DC Housing LCP resin (UL94 V-0)/natural Rated voltage 50 V AC/DC Slider LCP resin (UL94 V-0)/black Contact resistance 50 mΩ max. (at 20 mV DC max., 100 mA max.) Spring copper alloy/nickel substrate (2 μm) Insulation resistance 100 MΩ min. (at 250 V DC) Contacts Gold-plated contacts (0.15 μm) Dielectric strength 250 V AC for 1 min. (leakage current: 1 mA max.) Insertion durability 20 times Ambient operating temperature −30 to 85 °C (With no icing or condensation) ■ Dimensions (Unit: mm) XF2B-@@@5-31A (1.4) A PCB Dimensions (TOP VIEW) 0.3 0.6 0.15 Terminal No.2 A ± 0.05 0.6 ± 0.05 0.3 ± 0.05 (0.1) 0.75 ± 0.05 Terminal No.2 Cross-section diagram: X-X 5.4 ± 0.1 2.15 0.3 ± 0.05 1.6 (Effective stacking length) (0.1) 0.75 ± 0.05 0.8 (Effective stacking length) Terminal No.1 0.6 ± 0.05 0.3 ± 0.05 B Terminal No.1 B ± 0.05 2 0.12 F 0.6 X Rpienf emreanrkce (1.1) BD 0.5 Recommended FPC Dimensions X A ± 0.03 0.6 ± 0.02 0.3 +-00..0034 (2.1) 1.2 4.5 (Reinforcement board) X 0.1 0.5 1.2 ± 0.1 C Table of Dimensions 0.55 5.2 1.23 2 ± 0.1 1.6 2.5 ± 0.3 Pins*1 Model A B C D 5.5 1 ± 0.1 Effective stacking length 1271 XXFF22BB--12714455--3311AA 45..24 46..80 56..57 78..02 0.25 ± 0.1 0.3 ± 0.02 0.8 (Effective stacking length) 23 XF2B-2345-31A 6.0 6.6 7.3 8.8 0.3 ± 0.07 0.6 ± 0.02 0.3 +-00..0034 B ± 0.03 2-R0.2 MAX 25 XF2B-2545-31A 6.6 7.2 7.9 9.4 (B + 0.6) ± 0.05 T = 0.2 ± 0.03 27 XF2B-2745-31A 7.2 7.8 8.5 10.0 (Conductive plating) 31 XF2B-3145-31A 8.4 9.0 9.7 11.2 33 XF2B-3345-31A 9.0 9.6 10.3 11.8 35 XF2B-3545-31A 9.6 10.2 10.9 12.4 39 XF2B-3945-31A 10.8 11.4 12.1 13.6 41 XF2B-4145-31A 11.4 12.0 12.7 14.2 45 XF2B-4545-31A 12.6 13.2 13.9 15.4 51 XF2B-5145-31A 14.4 15.0 15.7 17.2 61 XF2B-6155-31A 17.4 18.0 18.7 20.2 ■ Ordering Information Pins*1 Model Pins*1 Model Quantity per reel (unit)*2 *1. Please consult your OMRON representative 17 XF2B-1745-31A 35 XF2B-3545-31A for available pin count. *2. Please order by integer multiple of the 21 XF2B-2145-31A 39 XF2B-3945-31A quantity per reel. 23 XF2B-2345-31A 41 XF2B-4145-31A *3. Upper sided. 25 XF2B-2545-31A 45 XF2B-4545-31A 1,500 27 XF2B-2745-31A 51 XF2B-5145-31A 31 XF2B-3145-31A 61 XF2B-6155-31A*3 33 XF2B-3345-31A - - 8