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參數(shù)資料
| 型號： | A120A |
| 英文描述： | IC |
| 中文描述： | 集成電路 |
| 文件頁數(shù)： | 22/31頁 |
| 文件大小： | 226K |
| 代理商： | A120A |
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HC49 CRYSTALS
ISSUE 8; 18 MAY 1998
Delivery Options
Common frequencies are available from stock. Please
see p5 for details
3 day Express Manufacturing Service, subject to piece
part stock availability
Holder Style
HC49 crystals are resistance welded, hermetically
sealed in an inert atmosphere with glass to metal seals
securing the lead wires; HC49/T is truncated version;
HC50 is plug–in version
HC43 crystals are cold welded; HC43/T is truncated
version; HC42 is plug-in version
Holders suffixed ‘–3L have a centre third wire which
grounds the case; this is not applicable to the HC50
and HC42
Truncated versions are only available in the frequency
range 4.0 to 300.0MHz
General Specifications
Load Capacitance (C
L
): 10pF to 75pF or Series
Drive Level: 1mW max.
Static Capacitance (C
0
): 7pF max.
Ageing: ±3ppm typical per year
Standard Frequency Tolerances and Stabilities
±5ppm, ±10ppm, ±15ppm, ±20ppm, ±30ppm,
±50ppm, ±100ppm
Operating Temperature Ranges
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
–55 to 125°C
Environmental Specification
Shock: 981m/s
2
for 6ms, three shocks in each direc-
tion along three mutually perpendicular planes
Vibration: 10 to 60Hz 0.75mm displacement, 60 to
500Hz 98.1m/s
acceleration, 30 minutes in each of
three mutually perpendicular planes
Marking
Includes Frequency
EuropeTel:+44(0)146074433
Fax:+44(0)146072578
22
Americas Tel:+19199410430
Fax:+19199410530
Q
C
2
2
, "
) + - *
) * . / + #
) + - *
Outline in mm (inches) - HC49 & HC49-3L
Outline in mm (inches) - HC50 & HC42
," "
) + - *
) * . / + #
) + - *
2
2
Outline in mm (inches) - HC49/T & HC49/T-3L
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