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