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C153-SMD Datasheet, PDF (1/1 Pages) Crystek Corporation – 32.768KHz SMD
C153-SMD Model
32.768KHz SMD Package
0.126 ±0.004
(3.2 ±0.1)
0.059 ±0.004
(1.5 ±0.1)
Internal Connection
0.095
(2.4)
0.036
(0.9 Max)
Solder Pad Layout
0.044
(1.1)
0.056
(1.4)
0.044
(1.1)
Crystal package to meet today's demand for pick and
place processing. Available on tape and reel in
quantities of 3K for SMT placement.
260°C
217°C
200°C
RECOMMENDED REFLOW SOLDERING PROFILE
Ramp-Up
3°C/Sec Max.
Critical Temperature Zone
Ramp-Down
6°C/Sec.
150°C
0.052
(1.3)
0.071
(1.8)
0.024
Dimensions inches (mm)
(0.6)
All dimensions are maximum unless otherwise specified
Do not design any
patterns in this area.
0.075
(1.9)
Preheat
180 Secs. Max.
90 Secs.
Max.
8 Minutes Max.
260°C for
10 Secs. Max.
NOTE: Reflow Profile with 240°C peak also acceptable.
Electrical:
Crystal Specifications
Frequency: 32.768 KHz
Mode: Tuning Fork
Load Cap: 12.5pF (See Table 1)
Calibration Tolerance: ±20ppm at 25°C
Stability: -0.035 ±0.006ppm/±C2
(See Chart 1)
Operating Temp. range: -40 to 85°C
Storage Temp. range: -55 to 125°C
Resistance: 70K Ω Max
Shunt Cap: 1.05pF Typ.
Aging: ±3ppm Max first year
Drive level: 1uW Max
Quality Factor: 30K Typ.
Spurious Response: Not Specified
C0/C1 Ratio: Not Specified
Pullability: Not Specified
Trim Sensitivity: Not Specified
Temp. Coefficient: Not Specified
Type/Angle of Quartz Cut: Not Specified
Insulation Resistance: 500 Megaohms Min at 100Vdc
Load Cap Options
Load Cap
Part Number
12.5pF
9.0pF
7.0pF
C153-SMD
C153-9-SMD
C153-7-SMD
Table 1
Typical Temperature Characteristic
0
-50
-10 0
25
Temperature °C
Chart 1
60
TD-060803 Rev. B
CRYSTEK 12730 Commonwealth Drive • Fort Myers, Florida 33913
Phone: 239-561-3311 • 800-237-3061
CORPORATION
Fax: 239-561-1025 • www.crystek.com