R F
C o m p o n e n t s
October 2017
Multilayer Band Pass Filter
For 4920–5950MHz
DEA205425BT-2190E1
2.0x1.25mm [EIA 0805]*
* Dimensions Code JIS[EIA]
RF Components
Multilayer Band Pass Filter
For 4920–5950MHz
Conformity to RoHS Directive
DEA205425BT-2190E1
SHAPES AND DIMENSIONS
[Top view]
2.00±0.15
(2)
1.00max.
(1)
(3)
(4)
Marking
[Bottom view]
1.60±0.15
0.30±0.15
0.25±0.20
Terminal functions
1 IN
2 GND
3 OUT
4 GND
Dimensions in mm
0.25±0.20
RECOMMENDED LAND PATTERN
1.50
1.10
(0.70)
as
50Ω line
1.60
0.14
1.25±0.15
0.75
0.14
ø0.30 Through-hole
Line width
should be
designed to match 50Ω characteristic impedance
depending on PCB material
and
thickness.
1.50
2.60
Dimensions in mm
Metal patterning for I/O
and
Ground.
Patterning for Solder resist coating.
RoHS Directive Compliant Product:
See
the following for more details.https://product.tdk.com/info/en/environment/rohs/index.html
• All specifications are subject to change without notice.
• Before using these products, be sure to request the delivery specifications.
20171018 / rf_bpf_dea205425bt-2190e1_en.fm
0.35
RF Components
DEA205425BT-2190E1
ELECTRICAL CHARACTERISTICS
Item
Insertion Loss (dB)
Return Loss (dB)
Attenuation (dB)
Characteristic Impedance ()
・Ta:
+25±5°C
Frequency Range
(MHz)
4920 to 5950
4920 to 5950
980 to 1190
1960 to 2380
2940 to 3570
7250 to 9520
Min.
—
9.54
30
26
26
26
Typ.
0.81
21.2
35.3
30.3
31.6
35.0
50 (Nominal)
Max.
1.0
—
—
—
—
—
TEMPERATURE RANGE
Operating temperature
(°C)
–40 to +85
Storage temperature
(°C)
–40 to +85
• All specifications are subject to change without notice.
• Before using these products, be sure to request the delivery specifications.
20171018 / rf_bpf_dea205425bt-2190e1_en.fm
RF Components
DEA205425BT-2190E1
FREQUENCY CHARACTERISTICS
INSERTION LOSS
0.0
ATTENUATION
0
0.5
10
Insertion Loss(dB)
1.0
Attenuation(dB)
20
1.5
30
2.0
40
2.5
50
3.0
4000
60
4500
5000
5500
Frequency (MHz)
6000
6500
0
2000
4000
6000
Frequency (MHz)
8000
10000
RETURN LOSS
0
10
Return Loss(dB)
20
30
40
50
4000
4500
5000
5500
Frequency (MHz)
6000
6500
• All specifications are subject to change without notice.
• Before using these products, be sure to request the delivery specifications.
20171018 / rf_bpf_dea205425bt-2190e1_en.fm
RF Components
DEA205425BT-2190E1
RECOMMENDED REFLOW PROFILE
Preheating
Soldering
Peak
T4
T:
Temperature
3°C/sec
or lower
6°C/sec
or lower
T3
T3
T2
T1
t1
t3
t2
t:
Time
Preheating
Temp.
T1
150°C
t3
T2
200°C
Time
t1
60 to 120sec
Soldering
Critical zone (T3 to T4)
Temp.
Time
T3
t2
217°C
60 to 120sec
Peak
Temp.
T4
240 to 260°C
Time
t3
30sec max.
: Time within 5°C of actual peak temperature
The maximum number of reflow is 3.
• All specifications are subject to change without notice.
• Before using these products, be sure to request the delivery specifications.
20171018 / rf_bpf_dea205425bt-2190e1_en.fm