Frontier Electronics Corp. 667 E. COCHRAN STREET, SIMI VALLEY, CA 93065 TEL: (805) 522-9998 FAX: (805) 522-9989 E-mail: [email protected] Web: frontierusa.com SMD Balun Transformer—SBT201-series A. Electrical specifications: Part No. Winding Turns Insertion Loss 2.5dB Max. SBT201-02 SBT201-03 SBT201-04 SBT201-05 2.5 Ts 3.5 Ts 4.5 Ts 5.5 Ts @ 8.0~2000 MHz @ 6.0~2000 MHz @ 5.0~1900 MHz @ 3.0~1700 MHz B. Mechanical dimensions: (Unit: mm) Dimension Tolerance M1 M2 M3 M4 M5 4.4 Max. 5.50 Max. 3.20 Max. 1.50 ± 0.30 0.50 ± 0.15 M2 M3 6.20mm M5 6 M1 2.90mm 1 2 M4 3.8 mm 3.0 mm M4 4 3 0.80 mm Mechanical dimension Land Pattern C. Test configuration and connection: D. Note: RoHS compliant; for the ROHS parts, we add “-LFR” at the end of the P/N. SMD Balun Transformer SBT201-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: [email protected] Web: frontierusa.com SMD Balun Transformer—SBT201-series E. Characteristic curve: S B T 201-03 SBT201-02 0 0 -1 -1 -2 -3 I.L. (dB) I.L. (dB) -2 -3 -4 -5 -6 -7 -8 -4 -5 -6 -7 -8 -9 -10 -9 -10 1 10 100 1000 10000 1 10 100 10000 Frequency (MHz) Frequency (MHz) SBT201-04 SBT201-05 0 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 0 -1 -2 -3 I.L. (dB) I.L. (dB) 1000 -4 -5 -6 -7 -8 -9 -10 1 10 100 1000 Frequency (MHz) SMD Balun Transformer SBT201-series Rev. A 10000 1 10 100 1000 10000 Frequency (MHz) Jan. 01, 2006. Page: 2 of 2