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FF-555 Datasheet, PDF (1/2 Pages) Epson ToYoCom – SAW FILTER
SAW Filter
SAW FILTER
For Automotive
FF - 555
Frequency range : 300 MHz to 500 MHz
Thickness
: 1.5 mm Typ.
Applications
: Remote keyless entry, RF
Excellent shock resistance and environmental capability
(prevention for contamination)
Low-loss, Narrow Pass bandwidth, High stability by using
crystal substrate.
Actual size
Product number (please contact us)
FF-555 : Q51FF5550xxxx00
Specifications (characteristics)
Item
Nominal frequency range
Storage temperature
Operating temperature
Insertion Loss
Symbol
f_nom
T_stg
T_use
IL
Pass bandwidth
P_Bw
Attenuation
Turnover temperature
Temperature coefficient
Terminal impedance
G_Att
Ti
B
Zt
Product Name
(Standard form)
FF-555 433.920000MHz
①
②
①Model ②Frequency
Specifications
300 MHz to 500 MHz
-55 C to +125 C
-40 C to +85 C
3.5 dB Max.
f_nom  100 kHz Min.
f_nom -21.4 MHz 40 dB Min.
f_nom -10.7 MHz 40 dB Min.
+25 C 15 C
-(3.4 0.8)  10-8 / C2
370  Typ.
160  Typ.
Test fixture
Conditions / Remarks
Storage as single product.
Reference to minimum loss
(3 dB down)
Ex : 315 MHz
Ex : 433.92 MHz
50 
C
SAW
L
50 
C
L
Remarks
Ex: f_nom =315 MHz
C=4 pF
L=33 nH
Ex: f_nom =433.92 MHz
C=5 pF
L=18 nH
External dimensions
(Unit:mm)
#2
#3
#4
0.8
#4
#3
#2
43392F
#1
#5
#5
#1
E 129
#8
#7
#6
4.8 ±0.2
1.5 ±0.2
#1,#2,#5,#6 are connected to the cover.
#6
#7
#8
1.27
2.54
Pin map
Pin
3,7
4,8
1,2,5,6
Connection
IN, OUT
N.C.
GND
Footprint (Recommended)
0.95
2.54
3.5
(Unit:mm)