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001-02 / 20080113 / e721_dea202495bt_1242.fm
• All specifications are subject to change without notice.
Multilayer Chip Band Pass Filters
For WiMAX
DEA Series DEA202495BT-1242B2
SHAPES AND DIMENSIONS
RECOMMENDED PC BOARD PATTERNS
ELECTRICAL CHARACTERISTICS
• Ta:+25°C
Item Minimum value Typical value Maximum value
Insertion loss [2300 to 2690MHz] (dB) — — 1.8
Return loss [2300 to 2690MHz] (dB) 10 — —
Attenuation
[100 to 1800MHz] (dB) 14 — —
[3400 to 11700MHz] (dB) 14 — —
Temperature range
Operating (°C) –40 — +85
Storage (°C) –40 — +85
Conformity to RoHS Directive
Dimensions in mm
0.25±0.1
4
2
31
1.25±0.15
0.95±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
0.42
1.1
ø0.15 Through-hole
0.35
0
.
7
Dimensions in mm
Line width be designed to mach 50Ω
characteristic impedance depending
on PCB material and thickness
0.6
• 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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001-02 / 20080113 / e721_dea202495bt_1242.fm
• All specifications are subject to change without notice.
FREQUENCY CHARACTERISTICS
INSERTION LOSS ATTENUATION
RETURN LOSS
–70
–60
1000 3000 5000 90007000 11000
–40
–50
–30
–20
–10
0
Attenuatio
n
(
dB
)
Frequency(GHz
)
1: 1800MHz
–18.722dB
2: 3400MHz
–37.125dB
3: 11700MHz
–38.095dB
–5
2000 30002600 2800 290024002200 2500 270023002100
–4
–2
–3
–1
0
Insertion loss
(
dB
)
Frequency(GHz
)
1: 2300MHz
–1.24dB
2: 2400MHz
–1.085dB
3: 2500MHz
–1.125dB
4: 2690MHz
–1.26dB
–60
1000 2000 3000 50004000 6000
–40
–50
–30
–20
–10
0
Return loss
(
dB
)
Frequency(MHz
)
1: 2300MHz
–17.86dB
2: 2400MHz
–21.619dB
3: 2500MHz
–16.841dB
4: 2690MHz
–20.572dB
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