SAW Filters
RF SAW Filters for GSM SF18 Series (Diplex Type Dual Filter)
Features
• Small size
• Low insertion loss
• High selectivity
• Hermetic seal
How to Order
SF 18 - 0942 G A SB A1
① ②
③
④ ⑤ ⑥ ⑦
①
Type of Product (SAW Filters)
②
Package Size
③
Nominal Center Frequency
④
Spec.
⑤
Number of Terminals
⑥
Input/ Output
⑦
Custom Specification (STD)
Application
• GSM
RoHS Compliant
Specifications
Part No.
Output Application
Pass Band Insertion Pass Band
VSWR
Frequency Loss (dB) Variation (dB)
860MHz
-
880MHz
35 min.
800MHz
-
824MHz
50 min.
1830MHz
-
1910MHz
11 min.
1300MHz
-
1705MHz
20 min.
1300MHz
-
1705MHz
23 min.
1300MHz
-
1830MHz
25 min.
Absolute Rejection (dB)
880MHz
-
905MHz
23 min.
824MHz
-
849MHz
25 min.
2010MHz
-
2070MHz
5 min.
1705MHz
-
1920MHz
10 min.
1705MHz
-
1785MHz
10 min.
1830MHz
-
1910MHz
10 min.
905MHz
-
915MHz
15 min.
914MHz
-
960MHz
25 min.
2070MHz
-
3000MHz
20 min.
1920MHz
-
1980MHz
12 min.
1920MHz
-
1980MHz
13 min.
2010MHz
-
2070MHz
4 min.
980MHz
-
1050MHz
23 min.
960MHz
-
970MHz
30 min.
3000MHz
-
5700MHz
35 min.
1980MHz
-
3000MHz
15 min.
1980MHz
-
3000MHz
23 min.
2070MHz
-
3000MHz
23 min.
1050MHz
-
2880MHz
35 min.
970MHz
-
2000MHz
35 min.
5700MHz
-
5970MHz
32 min.
3000MHz
-
4000MHz
40 min.
3000MHz
-
5000MHz
23 min.
3000MHz
-
6000MHz
23 min.
Operating
Storage
Temperature Temperature
2880MHz
-
6000MHz
35 min.
-30
to
+85°C -40
to
+85°C
2000MHz
-
6000MHz
30 min.
5970MHz
-
6000MHz
35 min.
-30
to
+85°C -40
to
+85°C
4000MHz
-
6000MHz
27 min.
SF18-0942GASBA1
Balanced
SF18-1960DASBA1
Balanced
Diplex
SF18-1842PAUDA1
Balanced
0MHz
-
(Filter1) 925MHz
-
3.2 max. 1.5 max. 2.1 max. 860MHz
GSM900 Rx 960MHz
40 min.
0MHz
-
(Filter2) 869MHz
-
2.5 max. 1.5 max. 2.0 max. 800MHz
GSM850 Rx 894MHz
50 min.
0MHz
-
(Filter1) 1930MHz
-
3.0 max. 1.8 max. 2.2 max. 1830MHz
GSM1900 Rx 1990MHz
23 min.
0MHz
-
(Filter2) 1805MHz
-
3.0 max. 1.5 max. 2.3 max. 1300MHz
GSM1800 Rx 1880MHz
35 min.
0MHz
-
(Filter1) 1805MHz
-
3.0 max. 1.8 max. 2.4 max. 1300MHz
GSM1800 Rx 1880MHz
35 min.
0MHz
-
(Filter2) 1930MHz
-
2.8 max. 1.3 max. 2.1 max. 1300MHz
GSM1900 Rx 1990MHz
35 min.
—
—
—
—
-30
to
+85°C -40
to
+85°C
Dimensions
1.8
#9
#8
#7
#6
0.485 0.485
2−0.6
#5
8−0.235
#6
#7
#8
#9
8−0.24
Test Circuit
SF18-0942GASBA1/ SF18-1960DASBA1
#10
#1
K**
*
#2
#3
#5
1.4
#10
2−0.25
Li
#1
#10
#9
Lp1 150ohm
Output 1
0.6
Unit : mm
Tol. :
±0.1mm
**: Type No.
* : Monthly Code
Recommended Land Pattern
8−0.24
8−0.235
#9
0.485 0.485
2−0.6
#10
#5
#8
#7
#6
2−0.25
…
#4
2−0.235
2−0.705
#4
#3
#2
#1
2−0.235
2−0.705
50ohm
#2
#3
#8
Lp2
#7
#5
#6
#1
#2
#3
#4
#5
#6
#7
#8
#9
#10
SF18-0942GASBA1 SF18-1960DASBA1 SF18-1842PAUDA1
Input (Filter 1)
Input (Filter 1, 2) Input (Filter 1, 2)
GND
GND
GND
GND
GND
GND
Input (Filter 2)
GND
GND
GND
GND
GND
Output (Filter 2) Output (Filter 1, 2)
Output (Filter 2)
GND
Output (Filter 2)
Output (Filter 2)
GND
Output (Filter 1)
Output (Filter 1)
Output (Filter 1) Output (Filter 1, 2)
Output (Filter 1)
GND
GND
GND
#4
150ohm
Output 2
Part Number
Li
SF18-0942GASBA1 10nH
SF18-1960DASBA1 3.3nH
Lp1
56nH
15nH
Lp2
56nH
12nH
SF18-1842PAUDA1
Input (GSM1800)
#1
50 ohm
#2
#3
Input (GSM1900)
#4
50 ohm
#1
#2
#3
#4
2−0.235
2−0.705
#5
#6
Output
Condition:
Lo=5.6nH
Output
#10
#9
#8
Lo
#7
100 ohm
2−0.235
2−0.705
Unit : mm
: Electrode
SAW Filters
RF SAW Filters for GSM SF18 Series (Diplex Type Dual Filter)
Characteristics
<GSM850> Part No.: SF18-0942GASBA1
0
-10
-20
-30
-40
-50
-60
781.5
S21 magn. [dB]
881.5
Frequency [MHz]
981.5
<GSM900> Part No.: SF18-0942GASBA1
0
-10
-20
-30
-40
-50
-60
842.5
S21 magn. [dB]
942.5
Frequency [MHz]
1042.5
<GSM1800> Part No.: SF18-1960DASBA1
0
-10
-20
-30
-40
-50
-60
1590
<GSM1900> Part No.: SF18-1960DASBA1
0
-10
-20
-30
-40
-50
-60
1710
S21 magn. [dB]
1840
Frequency [MHz]
2090
S21 magn. [dB]
1960
Frequency [MHz]
2210
<GSM1800> Part No.: SF18-1842PAUDA1
0
0
<GSM1900> Part No.: SF18-1842PAUDA1
0
0
S21 magn. [dB]
-50
-5
S21 magn. [dB]
-50
-5
-100
1590
1840
Frequency [MHz]
-10
2090
-100
1710
1960
Frequency [MHz]
-10
2210
Recommended Reflow Profile
Taping Dimensions
H
F
10 sec. max.
250°C max.
J
φK
A
T
R
D
220°C min.
Temperature (°C)
190°C
160°C
E
R
W
φL
G
R
R
1−5°C/ sec.
1−4°C/ sec.
B
(Unit: mm)
Part
Dimension
Part
Dimension
Part
Dimension
A
1.7±0.05
G
4.0±0.1
R
0.2 max.
B
2.05±0.05
H
4.0±0.1
W
0.85
+
0
-
0.5
D
8.0±0.1
J
2.0±0.05
T
0.2±0.05
E
3.5±0.05
K
1.5
+
0.1
-
0
F
1.75±0.1
L
0.8±0.05
1−3°C/ sec.
120 sec. max.
60 sec. max.
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