Surface Acoustic Wave (SAW) Filters
400MHz Band SAW Filters for Low Power Radio Communications
LSFB44-426-800K0/LSFB44-429-800K0/LSFA02-434-002M0/LSFA02-422-800K0/LSFA02-440-400K0/LSFB20-469-001M0
Features
• RF filter for transmission and reception.
• Low power consumption.
• Miniature size and light weight
Applications
• For engine-starter.
• For transceiver.
• For pager.
• For radio phone.
Dimensions
LSFB44
Standard Frequency
Specifications
How to Order
LSF B 44 - 426 - 800K 0
qLSF······ Li2 B4 O7 SAW Filter
wB··········· Seam weld type
e44········· Package Number (01, 02·······)
r426······· Nominal Frequency
t800······· Pass Bandwidth 800kHz
y0··········· Sub-Number
wqer ty
(Unit : mm)
LSFA02LSFB20
Recommended Land Pattern
B44 B20
(Unit : mm)
#1
#1 #2 #3
#4
#5
#6
#7
#8
#2 #3
#4
#5
#6
#7
#8
CONNECTION
1:GND
2:IN(OUT)
3:GND
4:GND
5:GND
6:OUT(IN)
7:GND
8:GND
426
1H
#7
#8 #4
#6 #5
#1 #2 #3
#1
#8 #4
#2 #3
#7 #6 #5
3.50±0.10
3.50±0.101.30MAX.
2–1.0 8–0.7
5–0.8
0.50.5
1.27 1.27
7.0±0.2 1.8MAX.
0.8
5.0±0.2
1.1
2.54 2.54
CONNECTION
1:GND
2:GND
3:GND
4:IN(OUT)
5:GND
6:GND
7:GND
8:OUT(IN)
#8 #4
#8 #4
#7 #6 #5
#7 #6 #5
#1 #2 #3
#1 #2 #3
469 1H
KSS
11.0±0.3
#1 #2 #3 #4
7.62±0.15
(2.5423)
9.95±0.1
4.5±0.3
3.0±0.3
6.35±0.5
0.8MAX.
3.45±0.1
422 KSS 1H
φ0.45±0.05
φ0.45±0.05
φ1.1±0.1
(before solder DIP)
CONNECTION
1:IN(OUT)
2:GND
3:GND
4:OUT(IN)
Nominal Frequency(MHz) Type
LSFA02-422-800K0
LSFA02-426-400K0
LSFB44-426-800K0
LSFA02-429-800K0
LSFB44-429-800K0
421.90000
426.08125
426.54
429.5500
LSFA02-434-002M0
LSFA02-440-400K0
LSFB44-440-400K0
LSFB20-469-001M0
433.9200
440.2000
469.1875
Item
Nominal Frequency
Operating Temperature Range
Storage Temperature Range
Ripple
Insertion Loss
Guaranteed Attenuation
Terminating Impedance
Unit
MHz
˚C
˚C
dB
dB
dB
Ω
426.54
––––––
––––––
50 Typical
Conditions
––––––
−10~+60
−30~+70
Fo ± 400kHz
Fo ± 400kHz
(F−21.4)±400kHz
––––––
LSFB44-426-800K0
Specifications
0.4 *
2.8 *
60 *
* : Typ.
1.5 MAX.
3.5 MAX.
50 MIN.
Pb Free
RoHS Conforming
