Model 445
Surface Mount Quartz Crystal
FEATURES
• Standard 5.0mm x 3.2mm Glass Seal Package
• Fundamental Crystal Design
• Frequency Range 10 – 50 MHz
• Frequency Tolerance, ±20 ppm Standard [other tolerances available]
• Frequency Stability, ±30 ppm Standard [other stabilities available]
• Operating Temperature to -40°C to +85°C
• Tape & Reel Packaging Standard, EIA-481
• RoHS Compliant in Accordance with EU Directive 2011/65/EU
- Lead-Free Termination Finish
- Exemption 7(c)-I, Electrical and electronic components containing lead [Pb] in glass
APPLICATIONS
Model 445 is a low cost device used in a wide range of commercial applications including
notebooks, computer peripherals, audio visual, Bluetooth and USB interfaces, PDAs, and automotive electronics.
ORDERING INFORMATION
445
M
OPERATING TEMPERATURE RANGE
FREQUENCY IN MHz
W = 0°C to +50°C
A = -10°C to +60°C
M - indicates MHz and decimal point. 3
C = -20°C to +70°C [standard]
I = -40°C to +85°C [standard]
LOAD CAPACITANCE
A = 10 pF
B = 13 pF
C = 16 pF
D = 18 pF
E = 20 pF
F = 24 pF
G = 30 pF
H = 32 pF
J = 9 pF
FREQUENCY TOLERANCE @ 25°C
K = 8 pF
L = 12 pF
S = Series
2 = ± 20 ppm [standard]
3 = ± 30 ppm
STABILITY OVER TEMPERATURE
1 = ± 10 ppm 1
3 = ± 30 ppm [std]
5 = ± 50 ppm
X = ± 15 ppm 2
2 = ± 20 ppm
1] Only available with temperature range codes "W" and "A".
2] Only available with temperature range codes "W", "A" and "C".
3] Frequency is recorded with two leading digits before the ‘M’ and 5 significant digits after the ‘M’ (including zeros).
Not all performance combinations and frequencies may be available.
Contact your local CTS Representative or CTS Customer Service for availability.
PACKAGING INFORMATION [Reference]
Factory may package reels in quantities of 1k pcs. or 3k pcs. Reel size is 180mm.
Document No. 008-0360-0
Page 1- 2
Rev. C
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