R38-32.768-6-5 [RALTRON]
Parallel - Fundamental Quartz Crystal,;
| 型号： | R38-32.768-6-5 |
| 厂家： | 
Raltron Electronics Corporation |
| 描述： | Parallel - Fundamental Quartz Crystal, 驱动 晶体 谐振器 |
| 文件： | 总1页 (文件大小：256K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TUNING FORK CRYSTAL UNITS
Page 1 of 1
SERIES R38
• FEATURES
•
•
•
DESIGNED FOR TIME OF DAY CLOCKS APPLICATIONS
SMALL COMPACT SIZE WITH PERFORMANCE AND ECONOMY
EXCELLENT SHOCK AND ENVIRONMENTAL CHARACTERISTICS
• SPECIFICATIONS
PARAMETERS
VALUE
32.768 kHz
NOMINAL FREQUENCY
±20 ppm Standard
±5 ppm and ±10 ppm Available
FREQUENCY TOLERANCE
TURNOVER TEMPERATURE
PARABOLIC CURVATURE CONSTANT (TYP)
LOAD CAPACITANCE
EQUIVALENT SERIES RESISTANCE (MAX)
DRIVE LEVEL (MAX)
25°C ±5°C
-0.034±0.006 ppm/°C²
6 to 12.5 pF
30 kΩ
1.0 µW
MOTIONAL CAPACITANCE (TYP)
SHUNT CAPACITANCE (TYP)
CAPACITANCE RATIO (TYP)
AGING (FIRST YEAR MAX)
0.0035 pF
1.6 pF
460
±3 ppm
QUALITY FACTOR (TYP)
60000
INSULATION RESISTANCE (MIN)
OPERATING TEMPERATURE RANGE
STORAGE TEMPERATURE RANGE
500 MΩ
-40°C to +85°C
-40°C to +85°C
±5 ppm max 75 cm drop test in
3 axes onto a hard surface
SHOCK RESISTANCE
Notes: FREQUENCY DEVIATION AT T IS GIVEN AS: ∆ f/f = K (To - T) ², WHERE K IS PARABOLIC CURVATURE CONSTANT
• MECHANICAL SPECIFICATION
Unit: mm/inch
• PART NUMBERING SYSTEM
LOAD
CAPACITANCE
pF
FREQUENCY
kHz
TOLERANCE
ppm
TYPE
-
-
-
-
-
Blank: ±20 ppm
5: ±5 ppm
R38
-
32.768
6 to 12.5
10: ±10 ppm
EXAMPLE: R38-32.768-6-10
Tuning Fork Crystal 3x8 mm,32.768 kHz,6 pF,±10 ppm
RALTRON ELECTRONICS ▪ 10400 N.W . 33r d STREET ▪ Miami, Florida 33172 ▪ U.S.A.
Telephone: +1-305-593-6033 ▪ Fax: +1-305-594-3973 ▪ e-mail: sales@raltron.com ▪ web site: http://www.raltron.com
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