TDK Network Card DEA Series DEA252450BT 7012D1 User Manual

(1/2)  
Conformity to RoHS Directive  
Multilayer Chip Band Pass Filters(Balance Output Type)  
For Bluetooth & 2.4GHz W-LAN  
DEA Series DEA252450BT-7012D1  
SHAPES AND DIMENSIONS  
2.5 0.2  
6
1.0max.  
7
1
5
3
8
4
2
Terminal functions  
1
2
3
4
5
6
7
8
N.C.  
Unbalanced  
DC feed or N.C.  
GND  
Balanced  
N.C.  
Balanced  
GND  
Dimensions in mm  
0.4 0.15 0.3 0.1  
RECOMMENDED PC BOARD PATTERNS  
0.35 0.35  
ø0.3 Through-hole  
0.8  
2.1  
Land  
Solder resist  
Line width be designed to mach 50characteristic impedance  
depending on PCB material and thickness  
Dimensions in mm  
ELECTRICAL CHARACTERISTICS  
Item  
Typical value  
1.5dB  
50dB  
42dB  
40dB  
14dB  
188deg  
0dB  
Frequency range (Pass band)  
Unbalanced impedance  
Balanced impedance  
2400 to 2500MHz  
50(Nominal)  
100(Nominal)  
1.9dB max.  
2.2dB max.  
40dB min.  
32dB min.  
30dB min.  
10dB min.  
180 12deg  
0 1.0dB  
[+25°C]  
[–40 to +85°C]  
[880 to 960MHz]  
[1710 to 1910MHz]  
[4800 to 5000MHz]  
Insertion loss  
Attenuation  
Unbalanced port return loss  
Phase difference at balanced port  
Amplitude imbalance at balanced port  
Operating  
Storage  
–40 to +85°C  
–40 to +85°C  
Temperature range  
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 / 20080116 / e721_dea252450bt_7012.
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