SBT203-21-LFR

Frontier Electronics Corp. 667 E. COCHRAN STREET, SIMI VALLEY, CA 93065 TEL: (805) 522-9998 FAX: (805) 522-9989 E-mail: frontiersales@frontierusa.com Web: frontierusa.com SMD Balun Transformer—SBT203-series A. Electrical specifications: Part No. SBT203-11 SBT203-21 Turn Ratio 1:1 2:1 Insertion Loss 3 dB Max. @3~300MHz @6~400MHz B. Mechanical dimensions: (Unit: mm) M1 Dimension Tolerance 4.4 Max. M2 M2 5.50 Max. M3 1.50 ± 0.30 M4 M4 3.20 Max. M5 0.50 ± 0.15 6.20mm 2.90mm 6 M1 4 1 2 3 M3 M3 N1 M5 N2 N3 3.0 mm 3.8 mm 0.80 mm Mechanical dimension Schematic Land Pattern C. Test configuration and connection: (a) SBT-203-11: (b) SBT-203-21: D. Note: RoHS compliant; for the ROHS parts, we add “-LFR” at the end of the P/N. SMD Balun Transformer SBT203-series Rev. A Jan. 01, 2006. Page: 1 of 2 Frontier Electronics Corp. 667 E. COCHRAN STREET, SIMI VALLEY, CA 93065 TEL: (805) 522-9998 FAX: (805) 522-9989 E-mail: frontiersales@frontierusa.com Web: frontierusa.com SMD Balun Transformer—SBT203-series E. Characteristic curve: SBT203-11 0 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 1 10 100 1000 I.L. (dB) Frequency (MHz) SBT203-21 0 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 1 10 100 1000 I.L. (dB) Frequency (MHz) SMD Balun Transformer SBT203-series Rev. A Jan. 01, 2006. Page: 2 of 2