TDK HHM Series HHM1521 Specifications

Multilayer Chip Baluns
For Bluetooth & 2.4GHz W-LAN
HHM Series HHM1521

SHAPES AND DIMENSIONS

2.0±0.15 0.95±0.1
6 5 4
1 2 3
0.65±0.2 0.3±0.2
0.2±0.2 0.35±0.2 Dimensions in mm

CIRCUIT DIAGRAM

6 5 4
Unbalanced Balanced
input output
50Ω 200Ω
1 2 3

RECOMMENDED PC BOARD PATTERNS

0.3 0.2
This width is 50Ω.
Micro-strip line for 0.4mm thick
glass-epoxy substrate.
6 5 4
1 2 3
ø0.3 Through-hole
0.3

ELECTRICAL CHARACTERISTICS

Unbalanced impedance
Balanced impedance
Frequency range
Unbalanced port return loss
Phase imbalance at balanced port
Amplitude imbalance at balanced port
Insertion loss
Operating
Temperature range
Storage
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.
Terminal functions
1 Unbalanced port
2 GND or DC feed+ RF GND
3 Balanced port
4 Balanced port
5 GND
6 N.C.
Dimensions in mm
50Ω
200Ω
2400 to 2500MHz
10dB min.
180±10deg.
0±2.0dB
1.0dB max.
–40 to +85°C
–40 to +85°C
2000pieces/reel
Conformity to RoHS Directive
001-03 / 20080106 / e751_hhm1521.fm
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