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001-01 / 20130901 / rf_bpf_dea205425bt-1209b2_en.fm
• All specifications are subject to change without notice.
Multilayer Chip Band Pass Filters
For 5.0GHz W-LAN
DEA Series DEA205425BT-1209B2
SHAPES AND DIMENSIONS
RECOMMENDED PC BOARD PATTERNS
Conformity to RoHS Directive
Dimensions in mm
0.25±0.1 4
2
31
1.0±0.15
0.9±0.12.0±0.15
1.25±0.15
0.3±0.15
0.25±0.1
1IN
2 GND
3 OUT
4 GND
Terminal functions
Line width be designed to match 50Ω
characteristic impedance depending
on PCB material and thickness.
Land
Solder resist
1.41.4
0.3
0.7
1.0
2.2
1.0
1.6
3.0
Dimensions in mm
ø0.5 Through-hole
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.
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001-01 / 20130901 / rf_bpf_dea205425bt-1209b2_en.fm
• All specifications are subject to change without notice.
ELECTRICAL CHARACTERISTICS
• Ta:+25°C
FREQUENCY CHARACTERISTICS
INSERTION LOSS ATTENUATION
Item Minimum value Typical value Maximum value
Center frequency [5425MHz] — — —
Insertion loss [4900 to 5950MHz] (dB) — 1.1 1.5
Return loss [4900 to 5950MHz] (dB) 10 — —
Attenuation
[500 to 1900MHz] (dB) 35 41 —
[2140 to 3300MHz] (dB) 30 38 —
[3450MHz] (dB) 25 34 —
[9800 to 11900MHz] (dB) 17 25 —
Temperature range Operating (°C) –40 — +85
Storage (°C) –40 — +85
–60
1.0 2.0 12.04.03.0 5.0 8.0 9.07.0 10.0 11.06.0
–40
–50
–30
–20
–10
0
Attenuatio
n(dB)
Frequency(GHz)
1: 4.9GHz
–1.17dB
2: 5.43GHz
–0.69dB
3: 5.95GHz
–0.78dB
4: 1.9GHz
–42.74dB
5: 3.45GHz
–34.91dB
6: 4.0GHz
–17.29dB
7: 9.8GHz
–27.41dB
8: 11.9GHz
–29.51dB
S21
S11
S21
–4.0
4.5 4.75 6.55.75 6.0 6.255.25 5.55.0
–3.0
–3.5
–2.0
–2.5
–1.0
–1.5
–0.5
0
Insertion loss
(dB)
Frequency(GHz)
S21
S11
