DEA205425BT-2028A4 TDK Corporation, DEA205425BT-2028A4 Datasheet - Page 23

• 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
DEA312450BT-2010A1
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.
–10
–20
–30
–40
–50
–60
–70
IN
0
0
3.2±0.15
1.9±0.15
GND
GND
2000
0.65±0.2
0.3±0.2
Frequency ( MHz )
S21
OUT
S11
4000
[2450MHz]
[2400 to 2500MHz]
[2400 to 2500MHz]
[880 to 1250MHz]
[1710 to 1990MHz]
[1990 to 2170MHz]
[4800 to 5000MHz]
[7200 to 7500MHz]
Operating
Storage
Dimensions in mm
1.3±0.1
6000
8000
S21
1: 2400MHz
2: 2500MHz
3: 880MHz
4: 1250MHz
5: 1990MHz
6: 2170MHz
7: 5000MHz
8: 7500MHz
–1.93dB
–1.62dB
–44.28dB
–42.70dB
–42.66dB
–29.2dB
–37.51dB
–33.84dB
S11
1: 2400MHz
2: 2500MHz
(dB)
(dB)
(dB)
(dB)
(dB)
(dB)
(dB)
(°C)
(°C)
–18.62dB
–26.58dB
RECOMMENDED PC BOARD PATTERN
Line width be designed to mach 50Ω
characteristic impedance depending
on PCB material and thickness
Minimum value
—
9
40
40
10
35
30
–40
–40
Solder resist
0.3
1.4
2.1
2.6
Land
1.4
Typical value
—
—
—
—
—
—
—
—
—
1.0
ø0.5 Through-hole
001-01/ 20070126 /e8bpf_dea.fm
Dimensions in mm
Maximum value
2.3
—
—
—
—
—
—
+85
+85
(23/23)