DEA205425BT-2028A4 TDK Corporation, DEA205425BT-2028A4 Datasheet - Page 9

• Manufacturer Part Number: DEA205425BT-2028A4
• Description: FILTER BANDPASS 5GHZ W-LAN SMD
• Manufacturer: TDK Corporation
• Series: DEAr

Specifications of DEA205425BT-2028A4

• Frequency: 5.425GHz Center
• Package / Case: 0805 (2012 Metric)
• Bandwidth: 1.05GHz
• Filter Type: Bandpass
• Insertion Loss: 2dB
• Mounting Type: Surface Mount
• Product: Band Pass Filters
• Frequency Range: 1.28 GHz to 3.3 GHz
• Operating Temperature Range: - 40 C to + 85 C
• Termination Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Ripple: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 445-3252-2

Multilayer Band Pass Filters, DEA Series
DEA205437BT-1200 for 5.0GHz W-LAN
SHAPES AND DIMENSIONS
ELECTRICAL CHARACTERISTICS
Item
Center frequency
Insertion loss
Return loss
Attenuation
Temperature range
• Ta:+25°C
FREQUENCY CHARACTERISTICS
• All specifications are subject to change without notice.
0.25±0.1
–10
–20
–30
–40
–50
–60
–70
1000
0
1
1.0±0.15
2.0±0.15
3000
2
4
3
Frequency ( MHz )
5000
3
1
2
S11
[5525MHz]
[5150 to 5900MHz]
[5150 to 5900MHz]
[3450MHz]
Operating
Storage
7000
Dimensions in mm
0.9±0.1
9000
S21
11000
TERMINAL
FUNCTIONS
1
2
3
4
S21
1: 5150MHz
2: 5900MHz
3: 3450MHz
IN
GND
OUT
GND
–1.06dB
–0.57dB
–47.72dB
(dB)
(dB)
(dB)
(°C)
(°C)
RECOMMENDED PC BOARD PATTERN
Line width be designed to mach 50Ω
characteristic impedance depending
on PCB material and thickness
Minimum value
—
—
10
35
–40
–40
Solder resist
1.4
1.0
3.0
1.6
Land
1.4
Typical value
—
1.1
—
—
—
—
ø0.3 Through-hole
ø0.5 Through-hole
001-01/ 20070126 /e8bpf_dea.fm
Dimensions in mm
Maximum value
—
1.5
—
—
+85
+85
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