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HC49-4H Fiches technique(PDF) 1 Page - List of Unclassifed Manufacturers

No de pièce HC49-4H
Description  SURFACE MOUNT QUARTZ CRYSTALS
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Fabricant  ETC2 [List of Unclassifed Manufacturers]
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HC49-4H Fiches technique(HTML) 1 Page - List of Unclassifed Manufacturers

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162
HC49/4H SMX Crystals
ISSUE 13 ; 28 SEPTEMBER 2004
Delivery Options
I
Please contact our sales office for current leadtimes
Holder Style
I
HC49/4H SMX crystals are resistance welded,
hermetically sealed in an inert atmosphere with glass to
metal seals securing the lead wires. The lead wires are
formed into a gull wing and mounted on a plastic
former
I
Lower profiles available, please contact our sales office
General Specifications
I
Load Capacitance (CL): 10pF to 75pF or Series
I
Drive Level: 0.5mW max
I
Static Capacitance (C0): 9pF max
I
Ageing: ±3ppm typical per year
Standard Frequency Tolerances and Stabilities
I
±50ppm, ±100ppm
Operating Temperature Ranges
I
0 to 50°C
–20 to 70°C
–10 to 60°C
–30 to 80°C
Storage Temperature Range
I
–55 to 125°C
Environmental Specification
I
Shock: 981m/s2 for 6ms, three shocks in each direction
along three mutually perpendicular planes,
I
Vibration: 10 to 60Hz 0.75mm displacement, 60 to 500Hz
98.1m/s2 acceleration, 30 minute in each of three
mutually perpendicular planes
Solder Condition
I For typical soldering conditions, please see the relevant
page in Application Notes
Marking
I
Frequency only
Minimum Order Information Required
I
Frequency + Holder + Frequency Tolerance @ 25°C
+ Frequency Stability + Operating Temperature Range +
Circuit Condition + Overtone Order
3.8 max
10.3 max
13.4 max.
4.4
11.4±0.2
Solder pad layout
4.0
15.0
–25
Temperature (°C)
–50
0
+25
+100
+25
+70
–20
Typical Frequency Vs Temperature Curves for various
angles of AT-cut crystals
Outline in mm


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