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NDR4001 Datasheet(PDF) 2 Page - REYCONNS CHINA LIMITED

Part No. NDR4001
Description  SAW Resonator
Download  5 Pages
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Manufacturer  REYCONNS [REYCONNS CHINA LIMITED]
Direct Link  http://www.reyconns.com/en/
Logo REYCONNS - REYCONNS CHINA LIMITED

NDR4001 Datasheet(HTML) 2 Page - REYCONNS CHINA LIMITED

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REYCONNS
SAW Resonator
NDR4001
REYCONNS CHINA LIMITED
www.reyconns.com
- 2 -
Electrical Characteristics
Characteristic
Sym
Minimum
Typical
Maximum
Unit
Absolute Frequency
fC
433.845
433.995
MHz
Center Frequency
(+25℃)
Tolerance from 433.920 MHz
fC
±
75
kHz
Insertion Loss
IL
1.6
2.0
dB
Unloaded Q
QU
10,200
Quality Factor
50
 Loaded Q
QL
1,700
Turnover Temperature
T0
0
25
Turnover Frequency
f0
fC
kHz
Temperature
Stability
Frequency Temperature Coefficient
FTC
0.032
ppm/℃2
Frequency Aging
Absolute Value during the First Year
fA
10
ppm/yr
DC Insulation Resistance Between Any Two Terminals
1.0
M
Motional Resistance
RM
20
26
Motional Inductance
LM
74.8619
H
Motional Capacitance
CM
1.7989
fF
RF Equivalent
RLC Model
Shunt Static Capacitance
C0
1.65
1.95
2.25
pF
RoHS Compliant
Electrostatic Sensitive Device
1.
Unless noted otherwise, case temperature TC = +25°C±2°C.
2.
The center frequency, fC, is measured at the minimum insertion loss point with the resonator in the 50Ω test system.
3.
Frequency aging is the change in fC with time and is specified at +65°C or less. Aging may exceed the specification for
prolonged temperatures above +65°C. Typically, aging is greatest the first year after manufacture, decreasing in
subsequent years.
4.
Turnover temperature, TO, is the temperature of maximum (or turnover) frequency, fO. The nominal frequency at any case
temperature, TC, may be calculated from: f = fO [1 - FTC (TO - TC)
2].
5.
This equivalent RLC model approximates resonator performance near the resonant frequency and is provided for
reference only. The capacitance CO is the static capacitance between the two terminals measured at low frequency
(10MHz) with a capacitance meter. The measurement includes case parasitic capacitance.
Test Circuit
Temperature Characteristics


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