HC49153020SR3RDBUT Datasheet, PDF (26/31 Pages) List of Unclassifed Manufacturers – SPECIFYING QUARTZ CRYSTALS

HC51 & HC47 CRYSTALS
ISSUE 8; 19 JUNE 1997
Outline in mm (inches) - HC51 & HC51-3L
Delivery Options
n _{Common frequencies are available from stock. Please}
see p6 for details
n _{3 day Express Manufacturing Service, subject to piece}
part stock availability
Holder Style
n _{HC51 crystals are resistance welded, hermetically}
sealed in an inert atmosphere with glass to metal seals
securing the lead wires; HC48 is plug–in version
n _{HC47 crystals are cold welded; HC36 is plug–in ver-}
sion
n _{Holders suffixed ‘–3L have a centre third wire which}
grounds the case; this is not applicable to the HC36
and HC48
Æ 0.76
(Æ 0.03)
19.43 max
(0.765 max)
12.7 min
(0.5 min)
Æ 0.76
(Æ 0.03)
12.34 (0.486)
8.86
(0.349)
Pin connections
1. Crystal
2. Case & ground
3. Crystal
12.34 (0.486)
12 3
8.86
(0.349)
19.05 (0.75)
19.05 (0.75)
General Specifications
n _{Load Capacitance (CL): 10pF to 75pF or Series}
n _{Drive Level: 1mW max.}
n _{Static Capacitance (C0): 9pF max.}
n _{Ageing: ±3ppm typical per year}
Standard Frequency Tolerances and Stabilities
n _{±10ppm, ±15ppm, ±20ppm, ±30ppm, ±50ppm,}
±100ppm
Operating Temperature Ranges
n _{0 to 50°C}
–10 to 60°C
–20 to 70°C
–30 to 80°C
–40 to 90°C
–55 to 105°C
–55 to 125°C
Storage Temperature Range
n _{–55 to 125°C}
Environmental Specification
n _{Shock: 981m/s}² _{for 6ms, three shocks in each direc-}
tion along three mutually perpendicular p lanes
n _{Vibration: 10 to 60Hz 0.75mm displacement, 60 to}
500Hz 98.1m/s² acceleration, 30 minutes in each of
three mutually perpendicular planes
Outline in mm (inches) - HC48 & HC36
Æ 1 .2 7
(Æ 0 .0 5 )
1 2 .3 4 (0 .4 8 6 )
1 9 .4 3 m a x
(0 .7 6 5 m a x )
6 .0 5 m in
(0 .2 3 8 m in )
1 9 .0 5 (0 .7 5 )
8 .8 6
(0 .3 4 9 )
Typical Frequency vs Temperature Curves
for various angles of AT-cut crystals
+ 25
0
Marking
n _{Includes Frequency}
Minimum Order Information Required
n _{Frequency + Holder + Frequency Tolerance @ 25°C}
+ Frequency Stability + Operating Temperature
Range + Circuit Condition + Overtone Order
–25
–50
–20
+ 25
T e m p e ra tu re (° C )
+ 70
+ 100
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