TDK HHM Series Specifications
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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 50
Ω 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
6
5
4
1
2
3
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
0.25
0.25
0.3
0.5
0.5
0.85
0.2
0.3
0.95
0.15
ø0.3 Through-hole
Unbal port
Bal port
Dimensions in mm
Land
Unbalanced impedance
50
Ω
Balanced impedance
100
Ω
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.