B39431R770U310

B39431R770U310 Datasheet


B39431-R 770-U310

Part Datasheet
B39431R770U310 B39431R770U310 B39431R770U310 (pdf)
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SAW Components

Data Sheet R 770

SAW Components Resonator Data Sheet

Features s 1-port resonator 2 Resonators in 1 housing s Provides reliable, fundamental mode, quartz fre-
quency stabilization i.e. in transmitters or local oscillators s Protection layer Protec

Terminals s Ni, gold plated

R 770 433,81 / 434,06 MHz

Ceramic package QCC8C

Dimensions in mm, approx. weight 0,1 g

Pin configuration

Input Reso 1

Input Reso 2

Output Reso 1

Output Reso 2

Ground case
float

Type
Ordering code

R 770

B39431-R 770-U310

Electrostatic Sensitive Device ESD

R1 L1 C1 R2 L2 C2

Marking and Package according to C61157-A7-A56

Packing according to F61074-V8169-Z000

Maximum ratings

Operable temperature range TA

Storage temperature range Tstg

DC voltage

Source power

V dBm
between any terminals
2 Mar 03, 2004

SAW Components Resonator Data Sheet Characteristics Resonator 1 Reference temperature Terminating source impedance Terminating Load impedance:

Center frequency Resonator 11

R 770 433,81 / 434,06 MHz

TA = 25 ZS = 50 ZL = 50
min.
433,76
typ. 433,81
max. 433,86 MHz

Frequency offset Resonator 2 to Resonator 1 foffset 200,0 250,0 300,0 KHz

Minimum insertion attenuation Unloaded quality factor
αmin
7500 10100

Ageing of fc

Equivalent circuit elements Motional capacitance Motional inductance Motional resistance Parallel capacitance2

Temperature coefficient of frequency3 Turnover temperature
2,12
63,43
0,03
1 Center frequency is defined as the maximum of the real part of the admittance. 2 If used in two port configuration pin 1-input, pin 7-output C0 is reduced by approx. 0,3 pF. 3 Temperature dependence of fc TA = fc T0 1 + TCf TA T0 2
1,7 dB ± 50 ppm
fF µH 23 pF ppm/K2 35
3 Mar 03, 2004

SAW Components Resonator Data Sheet Characteristics Resonator 2 Reference temperature Terminating source impedance Terminating Load impedance:

Center frequency Resonator 21

R 770 433,81 / 434,06 MHz

TA = 25 ZS = 50 ZL = 50
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Datasheet ID: B39431R770U310 511336