12SMX CRYSTALS
ISSUE 13; 1 NOVEMBER 2010 – RoHS 2002/95/EC
Outline (mm) 12SMX–A
Description
7.5 max
5.2 max
Standard 7 x 5mm SMD crystal
7 x 5mm SMD crystal available in three different pad designs
and two different package materials
12SMX-A, -C, -D are ceramic package with a resin sealed
ceramic lid, hermetically sealed
12SMX-B is a ceramic package with a seam sealed metal lid,
hermetically sealed. Please Note: 12SMX-B is the standard
package style
1.4 max
Solder Pad Layout
14SMX
For tighter tolerances and stabilities please see our 14SMX
2.4
2.0
Stock parts listed at the beginning of this chapter
2.2
4.5
Load Capacitance (CL): 10pF to 75pF or Series
Drive Level: 100µW max
2.2
4.1
Underside View
Outline (mm) 12SMX–B
Shunt Capacitance (C0): 7pF max
7.5 max
Pad Connection
1. Crystal
2. GND & Lid
3. Crystal
4. GND & Lid
5.2 max
Standard Frequency Tolerances and Stability
Operating Temperature Ranges
0 to 50°C
–10 to 60°C
–20 to 70°C
1.4 max
–40 to 85°C
Loose in bulk pack, 100pcs per bag
Tape and reel in accordance with EIA-481-D, 1kpcs per reel
Ordering Information (*minimum required)
1.1
2
Packaging
4
3
2.5
1
–40 to 85°C
1.4
1.0
Solder Pad Layout
Storage Temperature Range
2.2
4.1
2.2
4.5
Underside View
Outline (mm) 12SMX–C
7.5 max
5.2 max
Frequency*
Model*
Variant*
Frequency Tolerance (@25°C)*
Frequency Stability (over operating temperature range)*
Operating Temperature Range*
Load Capacitance*
1.4 max
Overtone
Solder Pad Layout
2.5
2.2 2.2
Example
10.0MHz 12SMX-B
50/50/–20 to 70C/10 FUND
5.0
Underside View
2.4
2.6
IQD Frequency Products Ltd, Station Road, Crewkerne, Somerset TA18 8AR, United Kingdom
+44 (0)1460 270200; Web: www.iqdfrequencyproducts.com
Registration No. FS566088
