JOHANSON 1748LP18A075

High Frequency Ceramic Solutions
1.75 GHz Low Pass Filter
P/N 1748LP18A075
Detail Specification: 07/29/08
Page 1 of 2
General Specifications
Part Number
1748LP18A075
Input Power
2W max.
Frequency (MHz)
1710 - 1785
Impedance
50 Ω
Operating Temperature
-40 to +85°C
Insertion Loss
0.60 dB max.
Return Loss
10.9 dB min.
Attenuation (min.)
30 dB @ 3500 MHz
Attenuation (min.)
20 dB @ 5240 MHz
P/N
Packaging
Suffix Style
+5 ~ +35 °C, 12 mos max.
Humidity 45~75%RH
Storage Temperature
Reel Quanity
3,000
MSL
2*
Bulk
Suffix = S
Eg. 1748LP18A075S
T&R
Suffix = E
Eg. 1748LP18A075E
* - 1 yr shelf life in bag; 1 week
shelf life out of bag; Vacuum
reseal unused reel
Terminal Configuration
Mechanical Dimensions
In
mm
L
Case Size: 18-2B
No.
Function
1
I/O
L
0.126 ± 0.012
3.20 ± 0.30
2
I/O
W
0.063 ± 0.012
1.60 ± 0.30
3
GND
T
0.039 ± 0.008
1.00 ± 0.20
4
GND
a
0.031 ± 0.012
0.80 ± 0.30
b
0.020 ± 0.012
0.50 ± 0.30
W
a
b
3
1
T
2
4
Mounting Considerations
Mount these devices with brown mark facing up.
Line width should be designed to provide 50 Ω impedance matching characteristics.
DC Blocking capacitor is connected in series at each In/Out Port.
Units: mm
0.6
Solder Resist
1.15
0.6
*
*
Land
Through-hole (ø 0.35)
0.8
DC Blocking Capacitor
2.2
1.5
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
4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821
2007 Johanson Technology, Inc. All Rights Reserved
High Frequency Ceramic Solutions
1.75 GHz Low Pass Filter
P/N 1748LP18A075
Detail Specification: 07/29/08
Page 2 of 2
Typical Electrical Performance (T=25°C)
)
)
)
)
)
)
)
)
0
)
)
)
)
)
)
)
)
)
-10
)
)
)
-20
)
)
dB(S(2,1))
dB(S(1,1))
)
)
Insertion/Return Loss
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
-30
-40
-50
)
-60
1.0
)
1.5
2.0
2.5
3.0
)
3.5
freq, GHz
)
)
)
)
4.5
5.0
5.5
)
)
)
4.0
)
)
)
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
4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821
2008 Johanson Technology, Inc. All Rights Reserved