49 Series MHz Crystals 49 Series MHz Crystal

TKD 49 Series MHz crystals provide dependable timing from 4 MHz to 30 MHz in classic through-hole and SMD packages. High accuracy, low ESR and wide frequency coverage make them a proven, cost-effective choice for industrial and consumer designs.

Ranges of 49 Series MHz Crystals

These resonators cover a broad MHz range in industry-standard packages, delivering tight tolerance and low ESR for reliable oscillation. They suit MCU clocks, networking equipment, home appliances and general electronic designs.

49S

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49SMD

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49 Series Crystal Package Options for MHz Timing Designs

Package choices

49S through-hole and 49SMD surface-mount packages suit different assembly lines, from manual insertion to fully automated SMT.

Frequency range

The 49 series spans roughly 4 MHz to 30 MHz, covering common MCU, USB and Ethernet clock frequencies.

Compatibility

Industry-standard footprints allow direct replacement across suppliers, simplifying second-sourcing and design maintenance.

Frequency, Load Capacitance and ESR in 49 Series Crystals

Frequency tolerance

Standard grades offer ±20 ppm to ±30 ppm; tighter grades support protocols that demand accurate carrier frequencies.

Load capacitance

Select CL (commonly 8–20 pF) to match the oscillator design so the crystal runs at the specified frequency.

ESR

Low ESR ensures reliable start-up across supply and temperature; check the oscillator's negative resistance margin in critical designs.

Frequency, Load Capacitance and ESR in 49 Series Crystals

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49 Series MHz Crystals | TKD

Ranges of 49 Series MHz Crystals

49S

49SMD

49 Series Crystal Package Options for MHz Timing Designs

Frequency, Load Capacitance and ESR in 49 Series Crystals