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HC49153020SR3RDBUT Datasheet, PDF (7/31 Pages) List of Unclassifed Manufacturers – SPECIFYING QUARTZ CRYSTALS
WATCH CRYSTALS 32.768kHz
ISSUE 9; 12 JUNE 1998
Delivery Options
n Product available from stock. Please see p4 for details
Holder Style
n Watch crystals are press sealed. Two sizes are avail-
able: 3 × 8.2mm & 2 × 6.2mm
General Specifications
n Load Capacitance (CL): 6pF to 15pF
n Drive Level: 1.0mW max.
n Static Capacitance (C0): 1.6pF typical
Standard Frequency Tolerances and Stabilities
n ±20ppm, ±30ppm, ±50ppm, ±100ppm
Operating Temperature Ranges
n 0 to 50°C
–10 to 60°C
–20 to 70°C
–30 to 80°C
Storage Temperature Range
n –55 to 125°C
Marking
n Frequency (3 × 8.2mm only; 2 × 6.2mm product is
unmarked)
Minimum Order Information Required
n Frequency + Holder + Frequency Tolerance @ 25°C
+ Operating Temperature Range + Circuit Condition
Outline in mm (inches) - (scale 3:1)
6 .2 m a x
(0 .2 4 4 m a x )
A c tu a l
S iz e
Æ 0 .2
(Æ 0 .0 0 8 )
4 .0 m in
(0 .1 5 7 m in )
0 .6 (0 .0 2 4 )
Æ 2 .0
(Æ 0 .0 7 9 )
Æ 0 .3 5
(Æ 0 .0 1 4 )
8 .2 m a x
(0 .3 2 3 m a x )
A c tu a l
S iz e
1 0 .0
(0 .3 9 3 )
1 .1 (0 .0 4 3 )
Æ 3 .1 m a x .
(Æ 0 .1 2 2 m a x .)
Frequency Temperature Curve
D f/f0
(p p m )
–100
–200
Electrical Specification – maximum limiting values
Frequency Range
Frequency Tolerance
@ 25°C ±2°C
Operating
Temperature Range
32.768kHz
±10ppm to ±100ppm
0 to 50°C
–10 to 60°C
–20 to 70°C
–30 to 80°C
–300
–400
T 0– 1 0 0
Df / f 0 = -0.038(T - T0 )2 ± 10%
T o-5 0
25
To+ 50
To+ 100
To
T (° C )
Frequency Stability Available Over
Operating Temperature
Minimum
Maximum
–25ppm
–100ppm
–50ppm
–100ppm
–85ppm
–100ppm
–150ppm
–300ppm
ESR
Max
50kW
Vibration
Mode
Fundamental
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