TDK DEA Series DEA252450BT-7012D1 产品宣传页
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001-02 / 20080116 / e721_dea252450bt_7012.fm
• All specifications are subject to change without notice.
Multilayer Chip Band Pass Filters(Balance Output Type)
For Bluetooth & 2.4GHz W-LAN
For Bluetooth & 2.4GHz W-LAN
DEA Series DEA252450BT-7012D1
SHAPES AND DIMENSIONS
RECOMMENDED PC BOARD PATTERNS
ELECTRICAL CHARACTERISTICS
Item
Typical value
Frequency range (Pass band)
2400 to 2500MHz
—
Unbalanced impedance
50
Ω(Nominal)
—
Balanced impedance
100
Ω(Nominal)
—
Insertion loss
[+25°C]
1.9dB max.
1.5dB
[–40 to +85°C]
2.2dB max.
—
Attenuation
[880 to 960MHz]
40dB min.
50dB
[1710 to 1910MHz]
32dB min.
42dB
[4800 to 5000MHz]
30dB min.
40dB
Unbalanced port return loss
10dB min.
14dB
Phase difference at balanced port
180±12deg
188deg
Amplitude imbalance at balanced port
0±1.0dB
0dB
Temperature range
Operating
–40 to +85°C
Storage
–40 to +85°C
Conformity to RoHS Directive
1.0max.
2.0
±
0.2
1.3
±
0.3
0.4
±0.15 0.3±0.1
2.5
±0.2
7
6
5
4
8
1
2
3
Dimensions in mm
0.2
±
0.15
1
N.C.
2
Unbalanced
3
DC feed or N.C.
4
GND
5
Balanced
6
N.C.
7
Balanced
8
GND
Terminal functions
Line width be designed to mach 50
Ω characteristic impedance
depending on PCB material and thickness
Land
Solder resist
2.1
0.8
0.9
1.4
0.8
0.9
0.35
0.35
Dimensions in mm
ø0.3 Through-hole
•
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.