GNSS RF SAW Filter
SF14 Series
RoHS Compliant
Features
• Small size
• Low insertion loss
• High selectivity
• Hermetic seal
Application
• GNSS
How to Order
SF 14 - 1575 M 5 UB A1
① ② ③ ④ ⑤ ⑥ ⑦
①Type of Product (SAW Filter)
②Package Size
③Nominal Center Frequency
④Spec.
⑤Number of Terminals
⑥Input/ Output
⑦Custom Specification
Specifications
Part No. Output
Application Pass Band
Frequency
Insertion
Loss (dB)
Pass Band
Variation (dB)
VSWR
(In/ Out) Absolute Rejection (dB)
Operating
Temperature
Storage
Temperature
SF14-1575M5UBA1
Balanced
GPS Rx
1574.42MHz
-
1576.42MHz
1.6 max. 1.0 max.
1.6 max.
/
1.6 max.
810MHz
-
960MHz
1429MHz
-
1453MHz
1501MHz
-
1525MHz
1920MHz
-
1980MHz
1980MHz
-
2400MHz
2400MHz
-
2500MHz
-30 to +85°C-40 to +85°C
50 min. 35 min. 27 min. 41 min. 29 min. 46 min.
SF14-1575M5UBB1
GPS Rx
1574.42MHz
-
1576.42MHz
2.0 max. 1.0 max.
1.8 max.
/
1.8 max.
810MHz
-
960MHz
1429MHz
-
1453MHz
1453MHz
-
1525MHz
1625MHz
-
1920MHz
1920MHz
-
1980MHz
1980MHz
-
5000MHz
50 min. 35 min. 30 min. 23 min. 50 min. 35 min.
SF14-1575F5UUA1
Unbalanced
GPS Rx
1573.92MHz
-
1576.92MHz
1.4 max. 0.6 max.
1.7 max.
/
1.7 max.
843MHz
-
925MHz
1429MHz
-
1501MHz
1501MHz
-
1525MHz
1920MHz
-
1980MHz
1980MHz
-
2500MHz
2500MHz
-
3000MHz
40 min. 38 min. 30 min. 40 min. 40 min. 35 min.
SF14-1575F5UUC1
GPS Rx
1574.42MHz
-
1576.42MHz
0.8 max. 0.6 max.
1.8 max.
/
1.8 max.
824MHz
-
960MHz
1500MHz
-
1525MHz
1625MHz
-
1650MHz
1710MHz
-
2170MHz
— —
20 min. 20 min. 20 min. 20 min.
— —
SF14-1582M5UUD2
GPS
GLONASS
COMPASS
1574.39MHz
-
1576.45MHz
1.5 max.
—
2.0 max.
/
2.0 max.
10MHz
-
925MHz
925MHz
-
960MHz
1427MHz
-
1463MHz
1850MHz
-
1910MHz
1920MHz
-
1980MHz
2401MHz
-
2483MHz
1565.19MHz
-
1585.65MHz
2.0 max. 2.0 max.
/
2.0 max.
1559.05MHz
-
1563.15MHz
2.3 max. 2.2 max.
/
2.3 max.
1597.55MHz
-
1605.89MHz
2.2 max. 2.0 max.
/
2.0 max.
40 min. 40 min. 40 min. 37 min. 39 min. 38 min.
Recommended Land Pattern
0.2875
0.575
0.5
0.5
5−0.325
5−0.25
Unit : mm
: Electrode
#4
#5
#3
#2
#1
Dimensions
Unit: mm
Tol.: ±0.1mm
**: Type No.
*
: Monthly Code
#1 INPUT
#2 GND
#3 GND
#4 OUTPUT
#5 GND
#1 INPUT
#2 GND
#3 OUTPUT
#4 OUTPUT
#5 GND
K * *
*
5−0.25
0.5
0.5
5−0.325
0.575
0.2875
0.7
1.40.7 max.
1.1
Balance Output
Unbalance Output
#3
#2
#4
#5
#1
#3
#2
#4
#5
#1
Test Circuit
Rs
RL
Single Ended
Single Ended
Condition: Rs=50ohm
RL=100ohm
Port 2
Port 1
Balanced
Port 3
DUT Rs
RL
Single Ended
Condition: Rs=50ohm
RL=50ohm
Port 2
Port 1 DUT
＜Balance Output Type＞ ＜Unbalance Output Type＞
#1
#4
#3
#1
#4
GNSS RF SAW Filter
SF14 Series
Characteristics
Part No.: SF14-1575M5UA1
1375.42 1575.42 1775.42
Frequency [MHz]
0
−50
−100
Sds21 magn. [dB]
Part No.: SF14-1575M5UBB1
1375.42 1575.42 1775.42
Frequency [MHz]
0
−50
−100
Sds21 magn. [dB]
Part No.: SF14-1575F5UUA1
−100
−50
0
1375.42 1575.42 1775.42
S21 magn. [dB]
Frequency [MHz]
Part No.: SF14-1582M5UUD2
1400 1600 1800
Frequency [MHz]
0
−50
−100
Attenuation [dB]
Part No.: SF14-1575F5UUC1
−50
−25
0
1375.42 1575.42 1775.42
S21 magn. [dB]
Frequency [MHz]
Recommended Reflow Profile
1−3°C/ sec. 120 sec. max.
60 sec. max.
10 sec. max.
220°C min.
190°C
250°C max.
160°C
Temperature (°C)
1−5°C/ sec. 1−4°C/ sec.
Taping Dimensions
H
A
JT
φK
B
D
E F
G
R
R
W
φL
R
R
Part A B D E F
Dimension 1.4±0.1 1.7±0.1 8.0±0.2 3.5±0.05 1.75±0.1
Part G H J K L
Dimension 4.0±0.1 4.0±0.1 2.0±0.05 1.5±0.1 0.5±0.05
Part R W T
(Unit: mm)
Dimension 0.3 max. 0.8±0.1 0.2±0.05
