Fox Crystals

SMD MHz Crystals

Our MHz Crystals offer precise frequency control for a wide range of electronic applications. These surface-mount devices provide exceptional stability and reliability. Designed for ease of integration, our SMD MHz Crystals are compatible with automated assembly processes for a wide range of consumer electronics, industrial automation, and communication systems.

Series	Package	Height	Frequency Range	Tightest Tolerance	Tighest Stability	Widest Temp Range	CL Range	ESR Range (Based on Frequency)
FCABS	1210 4-SMD	0.5 mm	32 - 80 MHz	±10 ppm	±10 ppm	-40 to +85°C	6 - 12 pF	60 - 100 Ω
FC0BS	1612 4-SMD	0.4 mm	23.9 - 80 MHz	±10 ppm	±10 ppm	-55 to +125°C	4 - 20 pF	100 - 150 Ω
FC1BS	2016 4-SMD	0.55 mm	16 - 200 MHz	±10 ppm	±10 ppm	-55 to +125°C	7 - 20 pF	60 - 200 Ω
FC2BS	2520 4-SMD	0.65 mm	12 - 80 MHz	±10 ppm	±10 ppm	-55 to +125°C	8 - 20 pF	40 - 200 Ω
FC3BS	3225 4-SMD	0.8 mm	8 - 54 MHz	±10 ppm	±5 ppm	-55 to +125°C	7 - 20 pF	40 - 500 Ω
FC5AQ	5032 2-SMD	1.2 mm	8 - 48 MHz	±20 ppm	±10 ppm	-40 to +85°C	7 - 20 pF	50 - 100 Ω
FC5BS	5032 4-SMD	1 mm	8 - 200 MHz	±10 ppm	±5 ppm	-55 to +125°C	10 - 20 pF	20 - 70 Ω
FC6AS	6035 2-SMD	1.4 mm	8 - 50 MHz	±20 ppm	±20 ppm	-55 to +125°C	10 - 20 pF	40 - 150 Ω
FC6BS	6035 4-SMD	1.1 mm	7.3728 - 133 MHz	±10 ppm	±5 ppm	-40 to +85°C	7 - 22 pF	20 - 100 Ω
FC7AS	7050 2-SMD	1.4 mm	6 - 50 MHz	±30 ppm	±15 ppm	-40 to +85°C	10 - 20 pF	40 - 80 Ω
FC7BS	7050 4-SMD	1.1 mm	6 - 50 MHz	±10 ppm	±5 ppm	-55 to +125°C	10 - 20 pF	20 - 80 Ω
FC8AQ	1045 2-SMD	1.2 mm	3.2 - 7 MHz	±20 ppm	±20 ppm	-40 to +85°C	10 - 20 pF	150 Ω
FC8AC	11x5 4-SMD	2.1 mm	3.2 - 7.2 MHz	±20 ppm	±15 ppm	-40 to +85°C	12 - 27 pF	50 - 200 Ω
FC9SD	HC-49/US 2-SMD	3.2 mm	4 - 40 MHz	±10 ppm	±5 ppm	-55 to +125°C	10 - 30 pF	30 - 150 Ω
FC4SD	HC-49/US 2-SMD	4.5 mm	3.2 - 40 MHz	±10 ppm	±5 ppm	-55 to +125°C	10 - 20 pF	30 - 300 Ω

AEC-Q200 Automotive Grade SMD MHz Crystals

Our AEC-Q200 Automotive Grade MHz Crystals are engineered to meet the demands of the automotive industry in form factors optimized for standard pick and place assembly. Tested to AEC-Q200 standards and manufactured on TS16949 qualified lines, these crystals are engineered to deliver superior frequency stability and low power consumption.

Series	Package	Height	Frequency Range	Tightest Tolerance	Tightest Stability	Widest Temp Range	CL Range	ESR Range (Based on Frequency)
FC1BA	2016 4-SMD	0.55 mm	16 -54 MHz	±10 ppm	±20 ppm	-55 to +125°C	7 - 22 pF	60 - 200 Ω
FC2BA	2520 4-SMD	0.65 mm	12 - 54 MHz	±10 ppm	±20 ppm	-55 to +125°C	7 - 20 pF	40 - 200 Ω
FC3BA	3225 4-SMD	0.8 mm	8 - 64 MHz	±10 ppm	±20 ppm	-55 to +125°C	7 - 20 pF	30 - 500 Ω
FC5BA	5032 4-SMD	1 mm	8 - 54 MHz	±10 ppm	±20 ppm	-55 to +125°C	7 - 20 pF	20 - 70 Ω
FC7BA	7050 4-SMD	1.1 mm	6 - 50 MHz	±10 ppm	±20 ppm	-55 to +125°C	7 - 20 pF	20 - 70 Ω

Through Hole MHz Crystals

Our Through Hole Crystals deliver dependable frequency control for a wide range of electronic applications. These crystals offer excellent stability and durability, suitable for both commercial and industrial environments. They are designed for easy integration into through hole PCB designs and are available in various frequencies and package sizes.

Series	Package	Height	Frequency Range	Tightest Tolerance	Tightest Stability	Widest Temp Range	CL Range	ESR Range (Based on Frequency)
FC9ST	HC-49/US	2.5 mm	3.2 - 80 MHz	±10 ppm	±5 ppm	-55 to +125°C	10 - 20 pF	30 - 150 Ω
FC4ST	HC-49/US	3.5 mm	3.2 - 80 MHz	±10 ppm	±5 ppm	-55 to +125°C	10 - 20 pF	30 - 300 Ω

SMD kHz Crystals

Our kHz Crystals are designed to provide precise timing for low-frequency applications. These surface-mount crystals ensure exceptional stability and low power consumption, making them ideal for use in battery-operated devices and wearable electronics where efficiency is crucial. Available in a variety of package sizes, they are easy to integrate into complex circuit designs, supporting diverse applications.

Series	Package	Height	Frequency Range	Tightest Tolerance	Widest Temp Range	CL Range	ESR Range (Based on Frequency)
FK121	1210 2-SMD	0.5 mm	32.768 kHz	±20 ppm	-40 to +85°C	7 - 12.5 pF	90k Ω
FK161	1610 2-SMD	0.5 mm	32.768 kHz	±20 ppm	-40 to +85°C	6 - 12.5 pF	90k Ω
FK122	2012 2-SMD	0.6 mm	32.768 kHz	±10 ppm	-55 to +125°C	4 - 12.5 pF	90k - 110k Ω
FK135	3215 2-SMD	0.9 mm	32.768 kHz	±10 ppm	-40 to +85°C	6 - 12.5 pF	70k Ω
FK13L	3215 2-SMD	0.9 mm	32.768 kHz	±10 ppm	-40 to +85°C	6 - 12.5 pF	50k Ω
FK145	4115 2-SMD	0.9 mm	32.768 kHz	±10 ppm	-40 to +85°C	6 - 12.5 pF	70k Ω
FKFSX	7 x 1.5 mm , 3 SMD	1.4 mm	32.768 kHz	±20 ppm	-40 to +85°C	7 - 12.5 pF	65k Ω
FKFSR	4-SOJ, 5.50 mm pitch	2.5 mm	32.768 kHz	±20 ppm	-40 to +85°C	6 - 12.5 pF	50k Ω

AEC-Q200 Automotive Grade SMD kHz Crystals

Our AEC-Q200 Automotive Grade SMD kHz Crystals are designed to meet the demands of the automotive industry in form factors optimized for standard pick and place assembly. Tested to AEC-Q200 standards and manufactured on TS16949 qualified lines, these crystals are engineered to deliver superior frequency stability and low power consumption.

Series	Package	Height	Frequency Range	Tightest Tolerance	Widest Temp Range	CL Range	ESR Range (Based on Frequency)
FK12A	2012 2-SMD	0.6 mm	32.768 kHz	±20 ppm	-40 to +125°C	6 - 12.5 pF	90k Ω
FK13A	3215 2-SMD	0.9 mm	32.768 kHz	±5 ppm	-40 to +125°C	6 - 12.5 pF	70k Ω

Through Hole kHz Crystals

Our Through Hole kHz Crystals deliver reliable low-frequency control across a wide range of electronic applications. Designed for integration into through hole PCB designs, these crystals offer excellent stability and durability, ensuring dependable performance in both commercial and industrial applications.

Series	Package	Frequency Range	Tightest Tolerance	Widest Temp Range	CL Range	ESR Range (Based on Frequency)
FKT26	2 x 6 Cylindrical Can	32.768 kHz	±20 ppm	-40 to +85°C	6 - 12.5 pF	35k Ω
FKT38	3 x 8 Cylindrical Can	32.768 kHz	±20 ppm	-40 to +85°C	6 - 12.5 pF	35k Ω