SJK: High-precision oscillators & filters for global tech industries.
sjk@q-crystal.com+86 755 8835 2869
Crystal Units
SJK Crystal , as a leading crystal oscillator manufacturer in China, provides a complete range of high-performance passive crystal (Quartz Crystal Resonator) solutions. Our passive crystal product portfolio covers a wide frequency range from 1MHz to 200MHz, meeting the diverse requirements of various industries and applications.
SMD Crystal Resonators (Seam / Glass Package)
We offer mainstream metal seam-sealed packages and glass-sealed SMD crystal packages. With a complete range of compact sizes including 1210, 1612, 2016, 2520, 3225, 5032, 6035, and 7050, our SMD crystals feature high precision, ultra-small form factor, and excellent thermal stability, making them ideal for modern electronic devices.
Through-Hole Crystal Resonators (DIP / 49 Series)
We provide traditional through-hole crystal products, including HC-49U, HC-49S, HC-49SMD, UM-1, and UM-5 series. These products offer excellent cost-effectiveness, strong shock resistance, and reliable performance, and are widely used in consumer electronics, industrial control, and general electronic applications.
Automotive-Grade Passive Crystals
Designed to meet the stringent reliability requirements of automotive electronics, we provide automotive-grade crystal resonators such as A7F (2016), A7E (2520), and A7U (3225). These products are qualified for demanding automotive environments, ensuring stable operation under extreme temperatures and harsh operating conditions.
SJK passive crystal resonators are widely used in IoT devices, communication equipment, Bluetooth applications, 5G products, handheld terminals, NFC devices, automotive electronics, security monitoring systems, and other industries.
With extensive product availability, competitive pricing, and strong customization capabilities, SJK Crystal provides one-stop frequency component solutions, including crystal customization, technical support, and professional application guidance.
Send your inquiry
Ultra-compact SMD3215 package (3.2×1.5×0.75mm), thin and lightweight, ideal for space-limited automotive PCB designs
Ultra-miniature SMD2016 package (2.0×1.6×0.50mm), ultra-thin and lightweight, perfectly suited for compact automotive PCB layouts
Ultra-miniature SMD1612 package (1.6×1.2×0.35mm), ultra-thin, lightweight and low-profile, ideal for ultra-compact electronic products
Ultra-miniature 2016 SMD package (2.0×1.6×0.50mm), ultra-thin, lightweight and low-profile for compact PCB layout
Compact plastic molded SMD tuning fork crystal, dimension of 8.0×3.8×2.5mm, ideal for compact electronic designs
Compact cylindrical SMD package, available in two sizes: 2.0×6.0mm and 3.0×8.0mm, adaptable to diverse PCB layout designs
Standard HC-49S through-hole package, low-profile design with dimensions of 11.0×4.6×3.0mm / 2.0mm, easy for assembly
The 7S Series SMD 1210 Crystal Units are compact, surface-mounted devices designed for precise frequency control in electronic circuits. With their reliable performance and high stability, these crystal units are ideal for applications in telecommunications, automotive systems, and consumer electronics, ensuring consistent operation across a range of environments.
The 7K Series SMD 32.768kHz Crystal Unit is a highly stable and precise timing component designed for various electronic applications, particularly in real-time clocks and microcontroller circuits. Its compact surface-mount design ensures easy integration into modern devices while providing reliable frequency performance with minimal power consumption.
The 6A Series HC-49U crystal units are precision frequency control devices designed to provide stable oscillation in electronic circuits. Known for their compact size and reliability, these quartz crystals are commonly used in various applications, including timers, oscillators, and frequency synthesizers, where accurate timing is essential.
SJK Crystal , as a leading crystal oscillator manufacturer in China, provides a complete range of high-performance passive crystal (Quartz Crystal Resonator) solutions. Our passive crystal product portfolio covers a wide frequency range from 1MHz to 200MHz, meeting the diverse requirements of various industries and applications.
SMD Crystal Resonators (Seam / Glass Package)
We offer mainstream metal seam-sealed packages and glass-sealed SMD crystal packages. With a complete range of compact sizes including 1210, 1612, 2016, 2520, 3225, 5032, 6035, and 7050, our SMD crystals feature high precision, ultra-small form factor, and excellent thermal stability, making them ideal for modern electronic devices.
Through-Hole Crystal Resonators (DIP / 49 Series)
We provide traditional through-hole crystal products, including HC-49U, HC-49S, HC-49SMD, UM-1, and UM-5 series. These products offer excellent cost-effectiveness, strong shock resistance, and reliable performance, and are widely used in consumer electronics, industrial control, and general electronic applications.
Automotive-Grade Passive Crystals
Designed to meet the stringent reliability requirements of automotive electronics, we provide automotive-grade crystal resonators such as A7F (2016), A7E (2520), and A7U (3225). These products are qualified for demanding automotive environments, ensuring stable operation under extreme temperatures and harsh operating conditions.
SJK passive crystal resonators are widely used in IoT devices, communication equipment, Bluetooth applications, 5G products, handheld terminals, NFC devices, automotive electronics, security monitoring systems, and other industries.
With extensive product availability, competitive pricing, and strong customization capabilities, SJK Crystal provides one-stop frequency component solutions, including crystal customization, technical support, and professional application guidance.
Founded in 1989, SJK specializes in the manufacturing of crystal resonators and oscillators. With extensive experience in miniaturization, high precision, and low power consumption, our components are widely used across multiple industries.
Useful Links
Contact Us
Tel: +86 755 8835 2869
Email: sjk@q-crystal.com
Add: 12/F, Building 3C, TianAn Cloud Park Phase 1, Bantian, Longgang District, Shenzhen, 518129, China