HHM2918A1 Datasheet, PDF (1/2 Pages) TDK Electronics – Multilayer Chip Directional Couplers

Multilayer Chip Directional Couplers
For PCS/Tx
HHM Series HHM2918A1
SHAPES AND DIMENSIONS
1.0±0.05
4
3
1
2
0.5±0.15
0.25
+0.15
–0.10
Terminal functions
1 Coupling
2 50Ω term
3 Output
4 Input
Dimensions in mm
RECOMMENDED PC BOARD PATTERNS
0.15
0.4
Dimensions in mm
ELECTRICAL CHARACTERISTICS
Frequency range
Coupling factor
Insertion loss
Isolation
VSWR
Temperature range
1 _25°C
2 _{Operating temperature}
Operating
Storage
1850 to 1980MHz
12.7±1.0dB
0.55dB max.^1
0.6dB max.^2
32dB min.
1.4 max.
–40 to +85°C
–40 to +85°C
(1/2)
Conformity to RoHS Directive
• 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_coupler_hhm2918a1_en.fm