TC-26 Datasheet, PDF (1/1 Pages) RSG Electronic Components GmbH – TUNING FORK QU ARTZ CRY STAL

TUNING FORK QUARTZ CRYSTAL
TC-26 & NC-38 Series
The tuning fork type quartz crystal provides
ultimate in size, performance, and economic
trade-offs. So it is used as a clock source in
communication equipment, measuring instr-
ument, microprocessor and other time man-
agement application.
FEATURES
Miniature Package
Low Cost
KHz Frequency
Tight Tolerance
Electrical Specifications
Parameter
Symb
Condition
Min
Frequency Range
FO
30
Frequency Tolerance
F/ FO
AT 25
10
Temperature Cofficient
K
REF TO 25
Operating Temperature Range
TOPR
-10
Storage Temperature Range
TSTG
-20
Shunt Capacitance
CO
Motional Capacitance
C1
1
Load Capacitance
CL
6
Insulation Resistance
IR
100VDC
500
Drive Level
DL
Aging(First year)
Fa
AT 25 3
-5.0
Equivalent Series Resistance(ESR) RS
DT-38
DT-26
Mechanical Dimensions(mm)
Typ
32.768
20
0.85
2
12.5
Max
100
100
-0.042
+60
+70
2
4
Series
1
+5.0
35
50
Units
KHz
ppm
ppm/( )²
pF
fF
pF
M
mW
ppm
K
K
TC-26
2.1Max
6.3Max
0.20 0.076( 2)
0.65
4.0Min
Parabolic Temperature Curve
T(
-20 -10 0
10 20 30 40 50 60 70
-10
-20
NC-38
-30
8.28Max
0.30 0.076( 2)
-40
3.1Max
0.80
9.0Min
-50
-60
F/f(ppm)
To determine frequency stability , use parabolic curvature(k).
For example: What is stability at 45
1).change in T( )=45-25=20
2).Change in frequency = -0.042ppm*( )²
= -0.042ppm*(20)²
= -16.8ppm(max)
4
RSG■
ELECTRONIC COMPONENTS
RSG Electronic Components GmbH ^■ Sprendlinger Landstr. 115 ^■ D-63069 Offenbach/Germany
Tel. [phone] ^■ Fax [phone] ^■ [e-mail] ^■ www.rsg-electronic.de
Änderungen vorbehalten / subject to change without notice