IQD Frequency Products Ltd, Station Road, Crewkerne, Somerset TA18 8AR, United Kingdom
+44 (0)1460 270200; Web: www.iqdfrequencyproducts.com
Americas - California, +1 (0)650 798 5047; Asia Pacic - Taiwan, +886 (0)2 8758 2283
Registration No. FS566088
HC49/4HSMX CRYSTALS
ISSUE 17; 1 NOVEMBER 2010 – RoHS 2002/95/EC
Description
▪Industry standard low cost SMD crystal
▪SMD version of the HC49/4H
▪Resistance welded, hermetically sealed in an inert
atmosphere, glass to metal seals on leads. Lead wires are
mounted onto a plastic former to create a gull wing mount
▪Low prole versions available please contact our sales
ofces for details
▪Stock parts listed at the beginning of this chapter
General Specications
▪Load Capacitance (CL): 10pF to 75pF or Series
▪Drive Level: 500µW max
▪Ageing: ±5ppm typ per year at 25°C
▪Shunt Capacitance (C0): 7pF max
Standard Frequency Tolerances and Stabilities
▪±30ppm, ±50ppm, ±100ppm
Operating Temperature Ranges
▪ 0 to 50°C
▪–10 to 60°C
▪–20 to 70°C
▪–30 to 80°C
▪–40 to 85°C
▪–55 to 105°C
Storage Temperature Range
▪–55 to 125°C
Environmental
▪ Shock: 981m/s2, 6ms, 3 times in each of 3 mutually
perpendicular planes
▪ Vibration: 10Hz-60Hz, 0.75mm amplitude, 60Hz-500Hz,
98.1m/s2, 30mins in 3 mutually perpendicular planes
Packaging
▪Loose in bulk pack, 100pcs per bag
▪Tape and reel in accordance with EIA-481-D, 1kpcs per reel
(please see pages 372 & 373)
Ordering Information (*minimum required)
▪Frequency*
▪Model*
▪Frequency Tolerance (@25°C)*
▪Frequency Stability (over operating temperature range)*
▪Operating Temperature Range*
▪Load Capacitance*
▪Overtone*
Example
▪10.00MHz HC49/4HSMX
50/50/–40 to 85C/10 FUND
Outline (mm)
3.8 max
4.3 max*
4.9 max
10.3 max
0.7
13.4 max
0.6
4.4
11.4±0.2
Solder Pad Layout
2.0
4.0
15.0
HC49/3.5H 3.7mm max
* Lower Profile Options
HC49/3H 3.1mm max
HC49/2.5H 2.7mm max
IQD Frequency Products Ltd, Station Road, Crewkerne, Somerset TA18 8AR, United Kingdom
+44 (0)1460 270200; Web: www.iqdfrequencyproducts.com
Americas - California, +1 (0)650 798 5047; Asia Pacic - Taiwan, +886 (0)2 8758 2283
Registration No. FS566088
Electrical Specications - maximum limiting values
Frequency Range Frequency Tolerance
@25°C ±2°C
Operating Temperature
Range
Frequency Stability Available Over
Operating Temperature Range
ESR
Max
Vibration
Mode
Minimum Maximum
3.2 to <4.0MHz ±10ppm to ±100ppm 0 to 50°C ±15ppm ±100ppm 300Ω Fundamental
AT cut
–10 to 60°C ±20ppm
–20 to70°C
–30 to 80°C ±25ppm
–40 to 85°C ±30ppm
–55 to 105°C ±100ppm ±500ppm
4.0 to <5.5MHz 0 to 50°C ±15ppm ±100ppm 130Ω
–10 to 60°C ±20ppm
–20 to70°C
–30 to 80°C ±25ppm
–40 to 85°C ±30ppm
–55 to 105°C ±100ppm ±500ppm
5.5 to <8.0MHz 0 to 50°C ±15ppm ±100ppm 60Ω
–10 to 60°C ±20ppm
–20 to70°C
–30 to 80°C ±25ppm
–40 to 85°C ±30ppm
–55 to 105°C ±100ppm ±500ppm
8.0 to <40.0MHz 0 to 50°C ±15ppm ±100ppm 40Ω
–10 to 60°C ±20ppm
–20 to70°C
–30 to 80°C ±25ppm
–40 to 85°C ±30ppm
–55 to 105°C ±100ppm ±500ppm
27.0 to 50.0MHz Inclusive with
Frequency Stability
0 to 50°C ±50ppm ±100ppm Fundamental
BT cut
–10 to 60°C ±70ppm
–20 to70°C ±100ppm
26.0 to 100.0MHz ±10ppm to 100ppm 0 to 50°C ±15ppm ±100ppm 100Ω 3rd Overtone
AT cut
–10 to 60°C ±20ppm
–20 to70°C
–30 to 80°C ±25ppm
–40 to 85°C ±30ppm
–55 to 105°C ±100ppm ±500ppm
Note: For other frequency / specification combinations, please contact our sales offices