B39321R805H210 EPCOS Inc, B39321R805H210 Datasheet - Page 3

• Manufacturer Part Number: B39321R805H210
• Description: RESONATOR SAW CER 318MHZ SMD
• Manufacturer: EPCOS Inc
• Series: B39321r
• Type: SAWr

Specifications of B39321R805H210

• Frequency: 318MHz
• Features: without Capacitor
• Impedance: 50 Ohm
• Capacitance: 2.4pF
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SMD
• Size / Dimension: 0.197" L x 0.138" W (5.00mm x 3.50mm)
• Height: 0.057" (1.45mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 495-1670-2; B39321R 805H210; B39321R0805H210; B39321R805H210W1

Data Sheet
Characteristics
Reference temperature:
Terminating source impedance:
Terminating load impedance:
Center frequency
Minimum insertion attenuation
Unloaded quality factor
Ageing of f
Equivalent circuit elements
Motional capacitance
Motional inductance
Motional resistance
Parallel capacitance
Temperature coefficient of frequency
Turnover temperature
1)
2)
3)
Temperature dependence of f
SAW Components
Resonator
Center frequency is defined as maximum of the real part of the admittance
If used in two port configuration (pin 1-input, pin 3-output) C
c
1)
2)
c
:
f
c
( T
A
) = f
3)
c
( T
T
Z
Z
A
S
L
0
)(1 + TC
3
= 25 ˚C
= 50
= 50
f
Q
C
L
R
C
TC
T
c
1
min
0
1
1
0
U
Sep 30, 2002
f
f
( T
317,925
min.
A
8000
15
—
—
—
—
—
—
—
– T
0
is reduced by approx. 0,3 pF.
0
)
2
)
318,00
130,46
–0,032
17000
typ.
1,92
1,2
2,4
15
—
—
318,075 MHz
–10/+50 ppm
max.
1,6
19
35
—
—
—
—
—
318,00 MHz
R 805
dB
fF
pF
ppm/K
˚C
H
2