445W21AXXMXXXXX Datasheet, PDF (1/2 Pages) CTS Corporation – Surface Mount Quartz Crystal

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 2005/95/EC
- Lead-Free Termination Finish
- Exemption 5 for Pb in glass material used for cover attach
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
W = 0°C to +50°C
A = -10°C to +60°C
C = -20°C to +70°C (standard)
I = -40°C to +85°C (standard)
FREQUENCY TOLERANCE @ 25°C
2 = ± 20 ppm (standard)
3 = ± 30 ppm
FREQUENCY IN MHz
M - indicates MHz and decimal point. ³
A = 10 pF
B = 13 pF
C = 16 pF
D = 18 pF
LOAD CAPACITANCE
E = 20 pF
F = 24 pF
G = 30 pF
H = 32 pF
J = 9 pF
K = 8 pF
L = 12 pF
S = Series
STABILITY OVER TEMPERATURE
1 = ± 10 ppm ¹
X = ± 15 ppm ²
2 = ± 20 ppm
3 = ± 30 ppm (std)
5 = ± 50 ppm
Example Part Numbers:
445C23D14M31818
445I23E14M31818
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
Device quantity is 1,000 pieces minimum per 180mm reel.
DIMENSIONS IN MILLIMETERS
4.0
8.0
Ø1.50
1.75
1.95
17.5
2.0
Ø13.5
120°
5.40
12.0
Ø60 Ø180
3.5
DIRECTION OF FEED
Document No. 008-0360-0
Ø21.4
Page 1- 2
www.ctscorp.com
Rev. B