Product parameters
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PARAMETER |
X49SS4 |
CONDITIONS / REMARKS |
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Nominal frequency range |
3.2 ~ 40.0MHz |
Fundamental up to 40MHz and 3rd overtone above 24MHz. |
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Crystal cut and mode |
AT-cut / FUND & 3rd OT |
- |
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Frequency tolerance |
±10ppm |
±20ppm |
±30ppm |
Other options available. |
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Frequency stability |
±10ppm |
±30ppm |
Other options available. |
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Operating temperature range |
-20 to +70°C |
-40 to +85°C |
Other options available. |
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Equivalent series resistance |
120Ω ~ 100Ω |
FUND – 3.2 to 5.9MHz |
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Load capacitance |
4 ~ 32pF or SERIES |
Please specify. |
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Shunt capacitance |
<7pF |
-- |
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Drive level |
100μW TYP / 500μW MAX |
-- |
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Aging first year |
±5ppm |
@+25°C |
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Product Features
■ Low-profile design:
- Dimensions 13.0x4.7,height 4.0 or 4.7mm with 4 leads
■ Ideal for low frequencies:
■ Sealing technology:
- Features resistance-welded sealing
Applications
- Typical applications for Crystal Through Hole HC-49 SMD X49SS4 products encompass set-top boxes, clock/VCXO multipliers, fibre channel systems, Ethernet networks, and modem devices.
Product advantages
Surface-mount compatibility
Offers a surface-mount variant of the traditional 49S crystal format.
Extensive standard stock
Maintains a comprehensive inventory of standard frequency options to meet immediate demand.
Customization readiness
Customized versions are readily available to accommodate specific customer requirements.
certificate
The HC-49 SMD 4-pin X49SS4 series is RoHS and REACH compliant, and meets lead-free and halogen-free standards.
FAQ
Q: Why are crystal oscillators critical?
A: They deliver stable, precise frequencies, resist small temperature/environmental changes, and are vital for clocks, computers, telecom gear, and GPS.
Q: How do crystal oscillators work?
A: Using the piezoelectric effect: voltage makes a crystal (often quartz) vibrate at its natural resonant frequency, producing a matching electrical signal as a timing reference.
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