TDK HHM Series 产品宣传页
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001-01 / 20080106 / e751_hhm1775b1.fm
• All specifications are subject to change without notice.
Multilayer Chip Baluns
For UWB
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.
specific bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications.