SBT203 Series – SMD BALUN TRANSFORMER Rev. A A. Electrical Specifications: P/N Winding Ratio Insertion Loss 3dB Max. SBT203-11 1:1 @ 3~300 MHz SBT203-21 2:1 @ 6~400 MHz B. Dimensions: mm (Inch) Series a b c d e f g h i j SBT203 5.5 (0.217) 4.4 (0.173) 3.0 (0.118) 6.2 (0.244) 2.9 (0.114) Max. 0.5 (0.020) ±0.15 (0.006) 0.8 (0.031) Max. 1.5 (0.059) ±0.3 (0.012) 3.2 (0.126) Tol. 1.5 (0.059) ±0.3 (0.012) Typ. Typ. Typ. Typ. Max. C. Test Circuit: D. Features: a. b. Base pin terminal treated, allowing mounting ‘as is’ on a PCB. MSL: Level 1. E. Applications: 1. Double balance mixers, broad-band transformers, impedance transformers, etc. F. Characteristic Curve: Frontier Electronics Corp.® http://www.frontierusa.com Page 1 of 2 667 E. Cochran St., Simi Valley, CA 93065 Phone: 1-805-522-9998, Fax: 1-805-522-9989 SBT203 Series – SMD BALUN TRANSFORMER Frontier Electronics Corp.® http://www.frontierusa.com Page 2 of 2 Rev. A 667 E. Cochran St., Simi Valley, CA 93065 Phone: 1-805-522-9998, Fax: 1-805-522-9989