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BUILDING A CRYSTAL PART NUMBER

Package

Mode

Calibration Tolerance

Temperature Stability

Operating Temperature Range

Series/Parallel

Options

Code/Meaning

Code:   Meaning

Code:   Meaning

Code:   Meaning

Code:   Meaning

Code:   Meaning

Code:   Meaning

XCS75
XCS64
XCS53
XCS42
XCS32
XCS21
XCR1
HC49SM
HC49SSM
HC494PD
HC49USMD
XHFF
WXC38
WXC26
WXC15
WXP2A
XKC26
HC51U
HC49U
HC49S
HC49SS
UM1
UM5
CY309
CY310

1:   Fundamental
3:   3rd O/T
5:   5th O/T
7:   7th O/T
9:   9th O/T

 

A:   50 ppm
B:   30 ppm
C:   20 ppm
D:   15 ppm
E:   10 ppm
F:   5 ppm

100:   100 ppm
50:   50 ppm
30:   30 ppm
25:   25 ppm
20:   20 ppm
15:   15 ppm
10:   10 ppm

 

A:   0 to 70C
B:   -40 to 85C
C:   -10 to 60C
D:   -20 to 70C
F:   0 to 50C
G:   -10 to 70C
H:   -30 to 75C
I:   -55 to 105C
E:   -55 to 125C
X:   Special

S:   Series

Enter value of Load Capacitance for parallel circuits

MS:  Mylar Spacer
VS:  Vinyl Sleeve
CL:  Cut Leads
TP:  Tin Pads
3L:  3rd Lead
TR:  Tape & Reel;

TR (or just Tape) is default packing for SMD parts

EXAMPLES

XCS64-25M000-1B50D18

XCS64   =   6x3.5 mm ceramic SMD 4 pads package
25M000   =   25.000MHz
1   =   Fundamental
B   =   30 ppm calibration at 25C
50   =   50 ppm temperature stability
D   =   -20 to 70 operating temperature range over which 50 ppm stability applies
18   =   18 pF load capacitance
T&R packing as default for Qty over 100 pcs

(Note: Some part number options not available with all package types)