(1/2)
Conformity to RoHS Directive
Multilayer Chip Baluns
For DCS-PCS/Tx & Rx
HHM Series HHM1518A3
SHAPES AND DIMENSIONS
2.0 0.15
5
0.95 0.1
6
4
3
1
2
Terminal functions
0.65 0.2
0.3 0.2
1
2
3
4
5
6
Unbalanced port
GND or DC feed+ RF GND
Balanced port
Balanced port
GND
N.C.
0.2 0.2 0.35 0.2
Dimensions in mm
CIRCUIT DIAGRAM
6
5
4
3
Unbalanced
input
50Ω
Balanced
output
150Ω
1
2
RECOMMENDED PC BOARD PATTERNS
0.30
0.35
Dimensions in mm
ELECTRICAL CHARACTERISTICS
Unbalanced impedance
Balanced impedance
50
150
Frequency range
1710 to 1990MHz
10dB min.
180 10deg.
0 1.0dB
1.0dB max.
–40 to +85°C
–40 to +85°C
2000pieces/reel
Unbalanced port return loss
Phase imbalance at balanced port
Amplitude imbalance at balanced port
Insertion loss
Operating
Storage
Temperature range
Packaging style and quantities
• 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 / 20130901 / rf_balun_hhm1518a3_en.fm