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001-01 / 20080106 / e751_hhm1775b1.fm
• All specifications are subject to change without notice.
Multilayer Chip Baluns
For UWB
HHM Series HHM1775B1
SHAPES AND DIMENSIONS
RECOMMENDED PC BOARD PATTERNS
Line width be designed to match 50Ω characteristic impedance depending on
PCB material and thickness.
ELECTRICAL CHARACTERISTICS
Conformity to RoHS Directive
0.6±0.1
0.8±0.1
0.3±0.1
0.15±0.1
0.1±0.1 0.25±0.1
1.6±0.1
654
123
Dimensions in mm
0.55±0.1
1 Unbalanced port
2 GND or DC feed+ RF GND
3 Balanced port
4 Balanced port
5 GND
6 N.C.
Terminal functions
0.250.250.3
0.5
0.5
0.85
0.2
0.3
0.950.15
ø0.3 Through-hole
Unbal port Bal port
Dimensions in mm
Land
Unbalanced impedance 50Ω
Balanced impedance 100Ω
Frequency range 3100 to 4900MHz
Unbalanced port return loss 10dB min.
Phase imbalance at balanced port 180±15deg.
Amplitude imbalance at balanced port 0±1.5dB
Insertion loss 1.2dB max.
Temperature range
Operating –40 to +85°C
Storage –40 to +85°C
Packaging style and quantities 4000pieces/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.