SJK: High-precision oscillators & filters for global tech industries.
sjk@q-crystal.com+86 755 8835 2869
MHz Crystal
Quartz Crystal Resonators
SJK Crystal is a leading manufacturer of quartz crystal resonators, offering a complete range of SMD and through-hole crystal solutions for high-performance frequency control applications. Our crystal resonators deliver excellent frequency stability, low ESR, high reliability, and long service life, making them ideal for communication equipment, IoT devices, automotive electronics, industrial control, medical equipment, and consumer electronics.
SMD Crystal Resonators (Metal Seam-Sealed & Glass-Sealed)
SJK manufactures a full range of SMD quartz crystal resonators using both metal seam-sealed and glass-sealed package technologies to meet the diverse requirements of modern electronic designs.
Our compact SMD crystal series is available in industry-standard package sizes, including: 1210, 1612, 2016, 2520, 3225, 5032, 6035, 7050
Designed for high-density PCB assembly, our SMD crystal resonators provide high frequency accuracy, excellent temperature stability, low ESR, low aging, and superior long-term reliability. They are widely used in IoT devices, Bluetooth® modules, Wi-Fi equipment, GPS/GNSS systems, 5G communications, wearable electronics, industrial automation, medical devices, networking equipment, and automotive electronics.
Through-Hole Crystal Resonators (HC-49 / UM Series)
For applications requiring proven reliability and cost-effective performance, SJK also offers a comprehensive range of through-hole quartz crystal resonators, including: HC-49U, HC-49S, HC-49SMD, UM-1, UM-5
These through-hole crystal resonators feature excellent frequency stability, strong vibration resistance, high mechanical durability, and outstanding cost performance, making them ideal for industrial equipment, power supplies, instrumentation, communication systems, consumer electronics, and legacy electronic designs.
Custom Quartz Crystal Solutions
As a professional quartz crystal manufacturer, SJK provides standard and custom crystal resonators with flexible frequency options, load capacitance selection, frequency tolerance, operating temperature ranges, and package customization.
With advanced manufacturing capabilities, strict quality control, rapid sample delivery, and global technical support, SJK Crystal delivers one-stop frequency control solutions for OEM, ODM, and EMS customers worldwide.
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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
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 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.
Quartz Crystal Resonators
SJK Crystal is a leading manufacturer of quartz crystal resonators, offering a complete range of SMD and through-hole crystal solutions for high-performance frequency control applications. Our crystal resonators deliver excellent frequency stability, low ESR, high reliability, and long service life, making them ideal for communication equipment, IoT devices, automotive electronics, industrial control, medical equipment, and consumer electronics.
SMD Crystal Resonators (Metal Seam-Sealed & Glass-Sealed)
SJK manufactures a full range of SMD quartz crystal resonators using both metal seam-sealed and glass-sealed package technologies to meet the diverse requirements of modern electronic designs.
Our compact SMD crystal series is available in industry-standard package sizes, including: 1210, 1612, 2016, 2520, 3225, 5032, 6035, 7050
Designed for high-density PCB assembly, our SMD crystal resonators provide high frequency accuracy, excellent temperature stability, low ESR, low aging, and superior long-term reliability. They are widely used in IoT devices, Bluetooth® modules, Wi-Fi equipment, GPS/GNSS systems, 5G communications, wearable electronics, industrial automation, medical devices, networking equipment, and automotive electronics.
Through-Hole Crystal Resonators (HC-49 / UM Series)
For applications requiring proven reliability and cost-effective performance, SJK also offers a comprehensive range of through-hole quartz crystal resonators, including: HC-49U, HC-49S, HC-49SMD, UM-1, UM-5
These through-hole crystal resonators feature excellent frequency stability, strong vibration resistance, high mechanical durability, and outstanding cost performance, making them ideal for industrial equipment, power supplies, instrumentation, communication systems, consumer electronics, and legacy electronic designs.
Custom Quartz Crystal Solutions
As a professional quartz crystal manufacturer, SJK provides standard and custom crystal resonators with flexible frequency options, load capacitance selection, frequency tolerance, operating temperature ranges, and package customization.
With advanced manufacturing capabilities, strict quality control, rapid sample delivery, and global technical support, SJK Crystal delivers one-stop frequency control solutions for OEM, ODM, and EMS customers worldwide.
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.
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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