B39431R770U310 EPCOS Inc, B39431R770U310 Datasheet - Page 3

• Manufacturer Part Number: B39431R770U310
• Description: R 770 RESONATOR
• Manufacturer: EPCOS Inc
• Series: B39431r
• Type: SAWr

Specifications of B39431R770U310

• Frequency: 433.81MHz
• Features: Built in Capacitor
• Impedance: 50 Ohm
• Capacitance: 2.4pF
• Operating Temperature: -45°C ~ 120°C
• Mounting Type: Surface Mount
• Package / Case: 8-SMD
• Size / Dimension: 0.197" L x 0.197" W (5.00mm x 5.00mm)
• Height: 0.053" (1.35mm)
• Termination Style: SMD/SMT
• Operating Temperature Range: - 45 C to + 120 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 495-2377-2; B39431R 770U310; B39431R0770U310

Data sheet
Characteristics Resonator 1
Reference temperature:
Terminating source impedance:
Terminating load impedance:
1)
2)
3)
Please read cautions and warnings and
important notes at the end of this document.
Center frequency Resonator 1
Frequency offset Resonator 2 to
Resonator 1
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
SAW Components
SAW resonator
Center frequency is defined as maximum of the real part of the admittance.
If used in two port configuration (pin 1 - input, pin 7 - output) C
Temperature dependence of f
C
2)
C
: f
C
1)
(T
A
) = f
C
3)
(T
0
f
f
C
TC
T
Q
L
R
C
) (1 + TC
C
offset
0
1
1
T
Z
Z
min
1
0
U
A
S
L
f
3
= 25 ˚C
= 50
= 50
f
October 09, 2006
433.745
(T
200.0
min.
7500
A
—
—
—
—
—
—
—
5
– T
0
0
)
is reduced by approx. 0.3 pF.
2
)
433.810
10100
250.0
63.43
–0.03
typ.
2.12
1.3
2.4
17
—
—
433.81 / 434.06 MHz
–50/+50
433.845
max.
300.0
1.7
23
35
—
—
—
—
—
fF
ppm/K
˚C
ppm
MHz
KHz
dB
pF
H
R 770
2