32.768KHz Ceramic SMD Package
Frequency:
Calibration Tolerance:
Turnover Temperature:
Frequency vs Temp.:
C195-SMD Model
32.768KHz
±20ppm Max
25°C ±5°C
-0.034 ±0.006ppm/°C
2
(See Chart 1)
Operating Temp. Range:
-40°C to 85°C
Storage:
-55°C to 125°C
ESR:
70K ohm Max
Load Capacitance:
12.5pF Typ.
Motional Capacitance:
0.003pF Typ.
Shunt Capacitance:
1.33pF Typ.
Drive Level:
1uW Max
Insulation Resistance:
500M ohm Min, DC100V±15V
Aging
(1st yr)
±3ppm Max
ree
dF S
a
Le oH ant
R pli
m
Co
Crystal package to meet
today's demand for pick
and
place
processing.
Available on tape and reel
in quantities of 3K for SMT
placement.
0.193 ±0.006
(4.90 ±0.15)
0.071 ±0.006
(1.80 ±0.15)
0.021
(0.53)
0.156
(3.95)
C195-SMD
Internal Connection
0.063
(1.6)
0.126
(3.2)
Solder Pad Layout
0.051
(1.30)
0.114
(2.90)
0.051
(1.30)
0.039
(1.0 Max)
Do not design
any patterns in
this area
0.087
(2.2)
0.030
(0.75)
Dimensions inches (mm)
All dimensions are Max unless otherwise specified.
RECOMMENDED REFLOW SOLDERING PROFILE
TEMPERATURE
260°C
217°C
200°C
150°C
PPM
Ramp-Up
3°C/Sec Max.
Critical Temperature
Zone
Ramp-Down
6°C/Sec.
Chart 1
Typical Temperature Characteristic
0
-50
Preheat
180 Secs. Max.
8 Minutes Max.
90 Secs. Max.
-10 0
25
Temperature °C
60
260°C for
10 Secs. Max.
NOTE: Reflow Profile with 240°C peak also acceptable.
Specifications subject to change without notice.
TD-060402 Rev.C
CRYSTEKCRYSTAL [ Crystek Corporation ]
