Cylindrical Watch Crystals
B
A
C
E
D
Package Style
A
B
C
D
E
8.2 9.0 1.10 0.35 3.10
6.2 9.0 0.70 0.26 2.10
3x8
2x6
1x5
5.1
4.0 0.45 0.15 1.50
FEATURES
APPLICATIONS
Time Keeping
Range of Sizes
Low Cost
Datacommunications
Consumer Electronics
Automotive Electronics
High Shock Resistance
Extensive UK Stocks
AVAILABLE OPTIONS
STANDARD SPECIFICATION
Frequency Range:
307.2kHz
20 kHz to 165 kHz &
Frequency Range: 32.768 kHz
20PPM
Adjustment Tolerance at 25oC:
Frequency Stability: -0.038PPM/oC2
20PPM 50PPM 100PPM
6pF ~
4.0pF Max
Adjustment Tolerance
Load Capacity:
-10oC to +60oC
Operating Temperature Range:
Load Capacity:
E.S.R:
12.5pF
Shunt Capacity (C0):
35 kOhm
Also available from stock is a 32.768 kHz crystal specifically
designed for the Dallas Semiconductor RTC
Drive level:
Ageing:
1MicroWatt
1PPM 1st Year Typ.
Frequency Stability vs Operating Temperature Range
Tuning fork crystals exhibit a parabolic temperature coefficient with a response
curve typically as shown
Frequency Range
E.S.R
20.0 kHz
30.0 kHz
40.0 kHz
60.0 kHz
70.0 kHz
120.0 kHz
29.9 kHz
39.9 kHz
59.9 kHz
69.9 kHz
119.9 kHz
164.9 kHz
55k
45k
20k
15k
12k
10k
-20
0
20 40 60 70
Temperature Range
Handling Note
Crystals utilising a tuning fork element should not be subjected to
ultrasonic cleaning. This is because the blank can be damaged
due to the frequency of the ultrasonic bath being in resonance
with thecrystalitself.
307.20 kHz
6k
q u a r t z b a s e d f r e q u e n c y c o n t r o l c o m p o n e n t s
www.aelcrystals.co.uk
sales@aelcrystals.co.uk
Order Hotline +44 1293 524245