B39431R820H210 EPCOS Inc, B39431R820H210 Datasheet - Page 3

• Manufacturer Part Number: B39431R820H210
• Description: RESONATOR SAW CER 433.92MHZ SMD
• Manufacturer: EPCOS Inc
• Series: B39431r
• Type: SAWr

Specifications of B39431R820H210

• Frequency: 433.92MHz
• Features: Built in Capacitor
• Impedance: 50 Ohm
• Capacitance: 2.5pF
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 4-SMD
• Size / Dimension: 0.197" L x 0.138" W (5.00mm x 3.50mm)
• Height: 0.057" (1.45mm)
• Frequency, Resonant: 433.92MHZ
• Tolerance,: 0.00017%
• Tolerance, -: 0.00017%
• Case Style: QCC4A
• Temp, Op. Max: 125(DEGREE C)
• Temp, Op. Min: -40(DEGREE C)
• Attenuation: 1.2DB
• Depth,: ROHS COMPLIANT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 495-2378-2; B39431R 820H210; B39431R0820H210

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
May 26, 2004
f
f
( T
433,845
min.
A
7500
10
—
—
—
—
—
—
—
– T
0
is reduced by approx. 0,3 pF.
0
)
2
)
433,920
–0,032
11500
63,16
typ.
2,13
1,2
2,5
14
—
—
433,995 MHz
-50/+50 ppm
max.
1,7
22
40
—
—
—
—
—
433,92 MHz
dB
fF
pF
ppm/K
˚C
R820
H
2