X121A [ETC]
IC ; IC内部から
| 型号： | X121A |
| 厂家： | 
ETC |
| 描述： | IC
|
| 文件： | 总2页 (文件大小：89K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
HC49/4H & HC49/3H CRYSTALS
Outline in mm (inches) - HC49/4H & HC49/4H-3L
ISSUE 9; 18 OCTOBER 1999
Delivery Options
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4
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Common frequencies are available from stock. Please
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see p4 for details
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Holder Style
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HC49/4H & HC49/3H crystals are resistance welded,
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=
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hermetically sealed in an inert atmosphere with glass
to metal seals securing the lead wires.
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Holders suffixed ‘–3L have a centre third wire which
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grounds the case
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General Specifications
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Load Capacitance (CL): 10pF to 75pF or Series
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Drive Level: 500mW max.
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Static Capacitance (C0): 7pF max.
Typical Frequency vs Temperature Curves
for various angles of AT-cut crystals
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Ageing: ±3ppm typical per year
Standard Frequency Tolerances and Stabilities
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±10ppm, ±±0ppm, ±30ppm, ±50ppm, ±100ppm
+
2
5
Operating Temperature Ranges
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0 to 50°C
–10 to 60°C
–±0 to 70°C
–30 to 80°C
–40 to 90°C
–55 to 105°C
0
Storage Temperature Range
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–55 to 1±5°C
Environmental Specification
Shock: 981m/s± for 6ms, three shocks in each direc-
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tion along three mutually perpendicular planes
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2
5
Vibration: 10 to 60Hz 0.75mm displacement, 60 to
500Hz 98.1m/s± acceleration, 30 minutes in each of
three mutually perpendicular planes
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e
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°
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Typical Frequency vs Temperature Curves
for various angles of BT-cut crystals
Marking
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Frequency only
+
1
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Outline in mm (inches) - HC49/3H & HC49/3H-3L
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P
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C
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Europe Tel: +44 (0)1460 74433 Fax: +44 (0)1460 7±578
±0
Americas Tel: +1 919 941 0430 Fax: +1 919 941 0530
Minimum Order Information Required
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Frequency + Holder + Frequency Tolerance @ ±5°C + Frequency Stability + Operating Temperature Range +
Circuit Condition + Overtone Order
Electrical Specification – maximum limiting values
Frequency Range
Frequency Tolerance
@ 25°C 2°C
Operating
Temperature Range
Frequency Stability Available Over
Operating Temperature
ESR
max.
Vibration
Mode
Minimum
±±5ꢀꢀp
±20ꢀꢀp
±20ꢀꢀp
±25ꢀꢀp
±30ꢀꢀp
±±00ꢀꢀp
±±5ꢀꢀp
±20ꢀꢀp
±20ꢀꢀp
±25ꢀꢀp
±30ꢀꢀp
±±00ꢀꢀp
±±0ꢀꢀp
±±5ꢀꢀp
±±5ꢀꢀp
±20ꢀꢀp
±50ꢀꢀp
±50ꢀꢀp
±±0ꢀꢀp
±±5ꢀꢀp
±±5ꢀꢀp
±20ꢀꢀp
±50ꢀꢀp
±50ꢀꢀp
±±0ꢀꢀp
±±5ꢀꢀp
±±5ꢀꢀp
±20ꢀꢀp
±50ꢀꢀp
±50ꢀꢀp
±50ꢀꢀp
±50ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±5ꢀꢀp
±20ꢀꢀp
±20ꢀꢀp
±25ꢀꢀp
±50ꢀꢀp
±50ꢀꢀp
Maximum
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±500ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±500ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
±±00ꢀꢀp
3.50 to < 5.0MHz
±±5ꢀꢀp to ±±00ꢀꢀp
±±5ꢀꢀp to ±±00ꢀꢀp
±±5ꢀꢀp to ±±00ꢀꢀp
±±5ꢀꢀp to ±±00ꢀꢀp
±±5ꢀꢀp to ±±00ꢀꢀp
0 to 50°C
–±0 to 60°C
–20 to 70°C
–30 to 80°C
–40 to 90°C
–55 to ±05°C
0 to 50°C
Fundapental
AT cut
200W
±20W
70W
50W
30W
5.0 to < 8.0MHz
8.0 to < ±2.0MHz
±2.0 to < 25.0MHz
25.0 to 32.0MHz
Fundapental
AT cut
–±0 to 60°C
–20 to 70°C
–30 to 80°C
–40 to 90°C
–55 to ±05°C
0 to 50°C
Fundapental
AT cut
–±0 to 60°C
–20 to 70°C
–30 to 80°C
–40 to 90°C
–55 to ±05°C
0 to 50°C
Fundapental
AT cut
–±0 to 60°C
–20 to 70°C
–30 to 80°C
–40 to 90°C
–55 to ±05°C
0 to 50°C
Fundapental
AT cut
–±0 to 60°C
–20 to 70°C
–30 to 80°C
–40 to 90°C
–55 to ±05°C
0 to 50°C
20.0 to 40.0MHz
25.0 to 70.0MHz
Inclusive with Frequency
Stability
Fundapental
BT cut
50W
–±0 to 60°C
–20 to 70°C
–30 to 80°C
0 to 50°C
±±5ꢀꢀp to ±±00ꢀꢀp
3rd Overtone
AT cut
±00W
–±0 to 60°C
–20 to 70°C
–30 to 80°C
–40 to 90°C
–55 to ±05°C
Please Note: Frequencies 3.0 to 3.5MHz are available; ꢀlease contact the sales office for pore inforpation.
Europe Tel: +44 (0)1460 74433 Fax: +44 (0)1460 7±578
±1
Americas Tel: +1 919 941 0430 Fax: +1 919 941 0530
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