DEA202450BT-7041E1
All specifications are subject to change without notice. Feb 2007 Ver. 12b
[FEATURES] [PIN CONFIGURATION]
Miniature Balanced Band Pass Filter
Matched to CSR BC4 IC
Package size: 2.0 x 1.25mm
Low Profile : 0.7mm max. height
[MECHANICAL DIMENSIONS]
Multilayer Balanced Band Pass Filter
Part Number : DEA202450BT-7041E1
1.25 +/-0.15
2
0.25+/-0.2
2.0+/-0.15
0.3+/-0.2
Bottom View
Top View
1
3
4
8
7
5
6
0.7 Max
0.35+/-0.15
0.2+/-0.2
0.65+/-0.15
Unit : mm
0.3+/-0.2
2
Unbalanced I/O
4
7
5
6
DC feed
3
1
8
NC
GND
Balanced I/O
GND
GND
Top View
Balanced I/O
Fig 1
Fig 2
DEA202450BT-7041E1
All specifications are subject to change without notice. Feb 2007 Ver. 12b
[ELECTRICAL PERFORMANCE]
Temperature +25OC unless otherwise specified
Parameter Freq. (MHz)
TDK Specification Unit
Insertion Loss 2402 – 2480 5.0 max. dB
Single ended port characteristic impedance - Matched to CSR BC4 IC
Reference board
ohm
Balanced ports impedance, nominal value - Matched to CSR BC4 IC
Reference board
ohm
Return Loss: Unbalanced port 10 min dB
Return Loss: Balanced port (with respect to
nominal balanced impedance)
2402 – 2480
10 min dB
880 – 960 35 min dB
1710 – 1880 25 min dB
1880 – 1990 25 min dB
2110 – 2170 20 min dB
Attenuation
4804 – 4960 30 min dB
Phase Difference at Balanced Port 2402 – 2480 180 ± 15.0 Deg.
Amplitude Imbalance at Balanced Port 2402 – 2480 0 ± 2.0 dB
Storage Temperature : -40OC to +85OC
DEA202450BT-7041E1
All specifications are subject to change without notice. Feb 2007 Ver. 12b
[LAND PATTERN (TDK Recommended)]
0.60 mm
1.95 mm 0.35 mm
0.20 mm
0.65 mm
0.55 mm
2.60 mm
0.35 mm
[PCB TOP METAL LAYER]
1.13mm
0.8mm
0.707mm
DC feed capacitor
W 0.1mm
W 0.1mm
W 0.19mm
Lower layer trace
BAL
BAL
UNBAL
0.50mm0.50mm
Exposed copper areas
Ground Plane
Ground Via
Routing Via
Note1: Pin 2 of the filter provides a DC feed connection to the balanced ports. In the event that this
function is used, Pin 2 should be connected to ground using a 15pF de-coupling capacitor.
Note2: In the event that the pin 2 function is not used, the pin should be left unconnected.
Fig 3
PCB Parameters:
Material: FR4
Top metal to GND layer height: 0.1mm
DC feed cap value: 15pF
Fig 4
DEA202450BT-7041E1
All specifications are subject to change without notice. Feb 2007 Ver. 12b
[TAPE & REEL INFORMATION]
Carrier Tape
Reel Dimensions
Standard package quantities: 2000pcs/reel
A B C D E F
1.55±0.1 2.25±0.1 8.0±0.2 3.5±0.05 1.75±0.1 4.0±0.1
G H J K T
2.0±0.05 4.0±0.1 1.55±0.05 1.0±0.05 0.3 max
C
D
B
E
Sprocket hole J
A
HGF
K
t
Loading Direction
13±0.5
21±0.5
60±2.0
9±0.3
13±1.4
178±2.0
2.0±0.5
Unit : mm
Label
Unit: mm
Fig 5
Fig 6
DEA202450BT-7041E1
All specifications are subject to change without notice. Feb 2007 Ver. 12b
[RoHS STATEMENT]
“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 in the materials of this
part.”
[CONTACT INFORMATION]
Any inquires about this part can be addressed to the following TDK sales representatives:
Mr. Conor Duffy. Email: cduffy@tdk.de
Mr. Graeme Cruickshanks. Email: Cruickshanks@tdk.de
[END OF DOCUMENT]
