C195-SMD [CRYSTEKMICROWAVE]
32.768KHz Ceramic SMD; 32.768kHz的陶瓷贴片
| 型号： | C195-SMD |
| 厂家： | 
CRYSTEK CORPORATION |
| 描述： | 32.768KHz Ceramic SMD |
| 文件： | 总1页 (文件大小：119K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
C195-SMD Model
32.768KHz Ceramic SMD Package
Frequency:
32.768KHz
Calibration Tolerance:
Turnover Temperature:
Frequency vs Temp.:
±20ppm Max
25°C ±5°C
-0.034 ±0.006ppm/°C2
(See Chart 1)
-40°C to 85°C
-55°C to 125°C
70K ohm Max
12.5pF Typ.
Operating Temp. Range:
Storage:
Crystal package to meet
today's demand for pick
ESR:
and
place
processing.
Load Capacitance:
Motional Capacitance:
Shunt Capacitance:
Drive Level:
Available on tape and reel
in quantities of 3K for SMT
placement.
0.003pF Typ.
1.33pF Typ.
1uW Max
Insulation Resistance:
Aging (1st yr)
500M ohm Min, DC100V±15V
±3ppm Max
C195-SMD
0.193 ±0.006
(4.90 ±0.15)
Solder Pad Layout
0.156
(3.95)
0.051
(1.30)
0.114
(2.90)
0.051
(1.30)
0.071 ±0.006
(1.80 ±0.15)
Internal Connection
0.021
(0.53)
0.063
(1.6)
Do not design
any patterns in
this area
0.087
(2.2)
0.126
(3.2)
0.039
(1.0 Max)
0.030
(0.75)
Dimensions inches (mm)
All dimensions are Max unless otherwise specified.
RECOMMENDED REFLOW SOLDERING PROFILE
Ramp-Up
3°C/Sec Max.
Critical Temperature
Zone
260°C
Chart 1
Ramp-Down
6°C/Sec.
Typical Temperature Characteristic
217°C
200°C
0
150°C
-50
Preheat
25
Temperature °C
90 Secs. Max.
-10
0
60
180 Secs. Max.
8 Minutes Max.
260°C for
10 Secs. Max.
NOTE: Reflow Profile with 240°C peak also acceptable.
TD-060402 Rev.C
Specifications subject to change without notice.
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