Quartz Crystals & Matching Transformers
Miniature Tuning Fork Quartz Crystals
Specification
Model Nominal Tolerance Temperature
Stability
Load
Series
Shunt
Drive
Number Frequency at 25ꢀC –10ꢀC to +70ꢀC Capacitance Resistance Capacitance Level
Hz
40,000
32,768
pF
12.5
12.5
Ohm
35,000
35,000
pF
2.3
2.3
mW
0.001
0.001
PPM
±60
±20
PPM
±45
±30
S40000
S32768
Matching Transformers
3
2
1
4
6
Specification
Parts Number
K4000001
K4000002
K4000003
K4000004
Operating Frequency
40.0 KHz
40.0 KHz
40.0 KHz
40.0 KHz
Variable Inductance (min.)
Unloaded Q (min.)
Turn Ratio
10.6 mH± 6% 10.6 mH± 6% 10.6 mH± 6% 10.6 mH± 6%
70
1:10
100
1:10
25
1:10
47
1:10
Matching Transducer
400EP14D
400EP14D
(Temperature
Compensated
Type
235SR130
400EP18A
S. Square Enterprise Company Limited
Pro-Wave Electronics Corporation
P.O. Box 1-70 Chung Ho, Taiwan, ROC;E-mail: prowave@ms3.hinet.net;Tel: 886-2-22465101(5 lines), 22459774;Fax: 886-2-22465105
http://www.s2.com.tw ; http://www.prowave.com.tw