2500AT43A0100 Datasheet, PDF (1/4 Pages) Johanson Technology Inc. – 2.5GHz Chip Antenna (No GND clearance required)

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2.5GHz Chip Antenna (No GND clearance required)
Detail Specification: 01/21/2009
P/N 2500AT43A0100
Page 1 of 4
General Specifications
Part Number
Frequency Range
Peak Gain
Average Gain
Return Loss
Impedance
Input Power
2500AT43A0100
2450 - 2550
0.6 dBi typ. (YZ-total)
-2.1 dBi typ. (XZ-total)
3.0 dB min.
50 Ω
2W max.
Operating Temperature
Storage Temperature
Range
Reel Quanity
Mechanical Dimensions
In
mm
L 0.276 ± 0.008 7.00 ± 0.20
W 0.079 ± 0.008 2.00 ± 0.20
T 0.157 ± 0.008 4.00 ± 0.20
a1 0.033 ± 0.008 0.85 ± 0.20
a2 0.039 ± 0.008 1.00 ± 0.20
b1 0.020 ± 0.008 0.50 ± 0.20
b2 0.039 ± 0.008 1.00 ± 0.20
Mounting Considerations
a1 a1 a1 a2 a1 a1 a1
b1
w
a1 a1 a1 a2 a1 a1 a1
L
b2
T
L
-40 to +85°C
+5~+35°C,
Humidity 45~75%RH
1,000
Terminal Configuration
No.
Function
1
Feeding Point
2
GND
3
GND
4
NC
5
NC
6
GND
7
GND
8
GND
87 6 5
*Line width should be designed to match 50 Ω characteristic impedance, depending on PCB
material and thickness
12 34
Antenna
Via
0.4 1.6
Units in mm
50 Ω Feed line
*
0.5pF
1.3
0.4
1.3
1.6
3.6
0.3 0.4
0.5pF
4.7nH
1.3
0.4
1.3
0.3
JTI P/N for Matching Circuit:
Inductor (4.7nH):L-14C4N7SV6T
Capacitor (0.5pF): 251R14S0R5V4T
Ground
Matching circuit and component values will be
different, depending on PCB layout
Johanson Technology, Inc. reserves the right to make design changes without notice.
All sales are subject to Johanson Technology, Inc. terms and conditions.
www.johansontechnology.com
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