12SMX CRYSTALS
ISSUE 12; 1 NOVEMBER 2008 – RoHS 2002/95/EC
Holder Style
QUARTZ
CRYSTALS
Outline (mm) 12SMX–B
▪
▪
▪
▪
▪
▪
▪
▪
▪
▪
▪
▪
▪
▪
12SMX–B is a ceramic base with seam sealed metal lid.
Load Capacitance (CL): 10pF to 75pF or Series
Drive Level: 0.1mW max
Static Capacitance (C0): 7pF max
1.0
General Specifications
7.5 max
1.4 max
5.2 max
▪
12SMX–A, –C, –D are surface mount crystals encapsulated
in a ceramic base with a resin sealed ceramic lid.
Pad Connection
1. Crystal
2. GND
3. Crystal
4. GND
Note:- lid is connected to GND
12SMX–B is the preferred package style
±30ppm, ±50ppm, ±100ppm
0 to 50°C
–10 to 60°C
–40 to 85°C
–40 to 85°C
Frequency
Frequency + Holder and Pad Configuration +
Frequency Tolerance @ 25°C + Frequency Stability +
Operating Temperature Range + Circuit Condition +
Overtone Order
–20 to 70°C
2
4.5
3
Standard Frequency Tolerances and Stability
Operating Temperature Ranges
2.5
1.4
Loose in bulk pack or tape and reel
1
4
2.2
4.1
2.2
Outline (mm) 12SMX–C
Storage Temperature Range
Marking Includes
Minimum Order Information Required
7.5 max
1.4 max
5.2 max
Solder pad layout
2.2
2.5
5.0
Outline (mm) 12SMX–A
Outline (mm) 12SMX–D
2.4
2.6
2.4
5.2 max
7.5 max
1.4 max
Solder pad layout
2.0
2.2
4.1
2.2
2.4
5.2 max
7.5 max.
1.4 max.
Pad Connection
1. Crystal
2. NC
3. Crystal
4. NC
Solder pad layout
1.4
1.1
2.2
4.1
2.2
2
4.5
3
IQD Frequency Products Ltd, Station Road, Crewkerne, Somerset TA18 8AR, United Kingdom
Tel: +44 (1460) 270200; Fax: +44 (1460) 72578;
Email: info@iqdfrequencyproducts.com Web: www.iqdfrequencyproducts.com
2.5
4.5
1.0
1
4
2.2
2.2
1.1
Packaging
Solder pad layout
Electrical Specifications – maximum limiting values
Frequency Range
Frequency Tolerance
@25°C ±2°C
±20ppm to ±100ppm
Operating Temperature
Range
0 to 50°C
–10 to 60°C
–20 to 70°C
–40 to 85°C
8.0 to <10.0MHz
±20ppm to ±100ppm
0 to 50°C
–10 to 60°C
–20 to 70°C
–40 to 85°C
10.0 to <16.0MHz
±20ppm to ±100ppm
0 to 50°C
–10 to 60°C
–20 to 70°C
–40 to 85°C
16.0 to <50.0MHz
±20ppm to ±100ppm
0 to 50°C
–10 to 60°C
–20 to 70°C
–40 to 85°C
50.0 to <84.0MHz
±20ppm to ±100ppm
0 to 50°C
–10 to 60°C
–20 to 70°C
–40 to 85°C
Note :
12SMX–A, –C, –D packages may not be available for all combinations
For other frequency/specification combinations, please contact our sales office
Tape (mm)
Reel (mm)
Frequency Stability Available Over
Operating Temperature Range
Minimum
6.0 to <8.0MHz
±20ppm
±20ppm
±20ppm
±30ppm
±20ppm
±20ppm
±20ppm
±30ppm
±20ppm
±20ppm
±20ppm
±30ppm
±20ppm
±20ppm
±20ppm
±30ppm
±20ppm
±20ppm
±20ppm
±30ppm
±100ppm
60Ω
3rd Overtone
±100ppm
40Ω
Fundamental
±100ppm
60Ω
Fundamental
±100ppm
80Ω
Fundamental
Maximum
±100ppm
150Ω
Fundamental
QUARTZ
CRYSTALS
ESR
Max
Vibration
Mode
Ø25.0
4.0
2.0
Ø1.5
Ø13.0
16.0
7.9
5.4
8.0
2.15
120° (3 equal)
2.0
17.5
IQD Frequency Products Ltd, Station Road, Crewkerne, Somerset TA18 8AR, United Kingdom
Tel: +44 (1460) 270200; Fax: +44 (1460) 72578;
Email: info@iqdfrequencyproducts.com Web: www.iqdfrequencyproducts.com
Ø250.0
Ø80.0
7.5
DSP 与 ARM 处理器
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
