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參數(shù)資料
| 型號： | CM7V-T1A/M32.768KHZ+/-20PPM |
| 廠商： | GOLLEDGE ELECTRONICS LTD |
| 元件分類： | Quartz Crystal |
| 英文描述： | QUARTZ CRYSTAL RESONATOR, 0.032768 MHz |
| 封裝： | MINIATURE, CERAMIC PACKAGE-2 |
| 文件頁數(shù)： | 1/1頁 |
| 文件大小： | 35K |
| 代理商： | CM7V-T1A/M32.768KHZ+/-20PPM |
SM Watch Crystal
CM7V
Tel: +44 1460 256 100
Fax: +44 1460 256 101
E-mail: sales@golledge.com
Web: www.golledge.com
05 Apr 2011
ACTUAL SIZE
0.70
3.30
(max)
1.60
(max)
SOLDER PAD LAYOUT
1.50
TOP VIEW
1.80
1.00
0.65
(max)
Features
Miniature ceramic package with metal lid
High shock & vibration resistance
Extended temperature range option
Low power consumption
Scale 3:1
Specifications
Product name + termination + option codes +
frequency + calibration tolerance
eg: CM7V-T1A 32.768kHz ±20ppm -40+85°C
CM7V-T1A/M 32.768kHz ±100ppm -55+125°C
Option code X (eg CM7V-T1A/X) denotes a custom spec.
Ordering Information
CM7V
Parameters
Product
Option
Code
Standard.
Optional - Please specify required code(s) when ordering
Available on T&R 1k, 3k or 14k pcs/reel.
Ask about higher shock & vibration specifications.
Terminations:
Gold plated pads
T1A
Frequency range:
32.768kHz
Calibration tolerance:
±20ppm
±100ppm
specify
Operating temperature range:
-40 to +85°C
-55 to +125°C
M
Storage temperature range:
-55 to +125°C
Circuit condition:
7pF
specify
9pF
specify
12.5pF
Other values
specify
Static capacitance (C
0):
1.2pF typ
Motional capacitance (C
1):
3.7fF typ
Equivalent series resistance:
50k typ, 70k max @ 25°C
Ageing:
±3ppm max first year
Drive level:
1.0W max
Turnover temperature (T
0):
+25°C ±5°C
Frequency / temp coefficient:
-0.035ppm/°C2 ±10%
Shock resistance:
±5ppm, 5,000g, 0.3ms, sine
Vibration resistance:
±5ppm, 20g, 10.0 ~ 2,000Hz
Soldering condition:
Reflow, 260°C, 20 sec max
PHOTO NOT AVAILABLE
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