Multilayer Balun Transformers For 2.4GHz W-LAN/Bluetooth HHM Series Type: HHM1517 (2.01.250.95mm) HHM1520 (2.01.250.95mm) HHM1521 (2.01.250.95mm) HHM1541E1 (2.01.250.95mm) Issue date: December 2010 All specifications are subject to change without notice. Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and specific bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications.(1/8) Conformity to RoHS Directive Multilayer Chip Baluns For Bluetooth & 2.4GHz W-LAN HHM Series HHM1517 SHAPES AND DIMENSIONS 2.00.15 0.950.1 654 123 Terminal functions 0.650.2 0.30.2 1 Unbalanced port 2 GND or DC feed+ RF GND 3 Balanced port 4 Balanced port 5 GND 6 N.C. 0.20.2 0.350.2 Dimensions in mm CIRCUIT DIAGRAM 645 Unbalanced Balanced input output 50 50 12 3 RECOMMENDED PC BOARD PATTERNS 0.30 0.35 Dimensions in mm ELECTRICAL CHARACTERISTICS Unbalanced impedance 50 Balanced impedance 50 Frequency range 2400 to 2500MHz Unbalanced port return loss 10dB min. Phase imbalance at balanced port 18010deg. Amplitude imbalance at balanced port 02.0dB Insertion loss 1.2dB max. Operating 40 to +85C Temperature range Storage 40 to +85C Packaging style and quantities 2000pieces/reel Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and specific bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications. All specifications are subject to change without notice. 001-02 / 20101206 / e751 multibalun hhm12 0.80 +0.1 0.250.2 0.50 1.250.15