SJK: High-precision oscillators & filters for global tech industries.
sjk@q-crystal.com+86 755 8835 2869
As the fundamental timing source, they must meet strict requirements including high reliability, wide temperature tolerance, vibration resistance, EMI immunity, and multi-device synchronization.
SJK automotive-grade crystals have passed AEC-Q200 certification and have been recognized by multiple OEMs and automotive platforms, providing a reliable foundation for vehicle system safety.
|
|
Core Pain Points |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1
Pain Points
• Multi-sensor data misalignment
• System crashes at extreme temperatures (-40°C ~ 125°C)
• Frequency drift caused by vehicle vibration
2
SJK Crystal Advantages
• SJK Temperature Compensated Crystal Oscillator (TCXO)
(SJK-7X / SJK-7Q Series)
→ Multi-clock synchronization calibration ensures sensor timeline alignment, reducing decision misjudgment by 99%
• Automotive wide-temperature stability
→ No frequency drift from -40°C to 125°C
• Anti-vibration and shock-resistant design
→ Stable frequency even under bumps and sharp turns
(SJK-7X / SJK-7Q Series)
→ Multi-clock synchronization calibration ensures sensor timeline alignment, reducing decision misjudgment by 99%
• Automotive wide-temperature stability
→ No frequency drift from -40°C to 125°C
• Anti-vibration and shock-resistant design
→ Stable frequency even under bumps and sharp turns
3
Recommended Selection
• SJK-7X25000 + SJK-2N1000
• Standard configuration for autonomous driving systems, validated by multiple OEM bench tests
• Standard configuration for autonomous driving systems, validated by multiple OEM bench tests
1
Pain Points
• Voice response delay
• Bluetooth / 5G connection drops
• Lag in high-temperature cabin environments
• Bluetooth / 5G connection drops
• Lag in high-temperature cabin environments
2
SJK Crystal Advantages
• SJK HCMOS Clock Oscillator
(SJK-1N / SJK-0N Series)
→ Precise 24 / 25 / 27 MHz synchronization enabling voice response within 0.3 seconds and stable wireless connectivity
• Low EMI design
→ Reduces in-vehicle electromagnetic interference and improves gesture recognition accuracy to 99.8%
• Wide temperature range (-40°C ~ 85°C)
→ Ensures smooth infotainment operation under extreme climates
(SJK-1N / SJK-0N Series)
→ Precise 24 / 25 / 27 MHz synchronization enabling voice response within 0.3 seconds and stable wireless connectivity
• Low EMI design
→ Reduces in-vehicle electromagnetic interference and improves gesture recognition accuracy to 99.8%
• Wide temperature range (-40°C ~ 85°C)
→ Ensures smooth infotainment operation under extreme climates
3
Recommended Selection
• SJK-1N25000000 + SJK-7U24000000
• High-performance combination widely adopted by OEMs
• High-performance combination widely adopted by OEMs
“Zero Miss Detection, Maximum Safety”
1
Pain Points
• Detection distortion at high/low temperatures
• Limited installation space
• Start-up failure during emergency detection
• Limited installation space
• Start-up failure during emergency detection
2
SJK Crystal Advantages
• SJK SMD Crystals (SJK-7U / SJK-7Y Series)
→ ±0.5 ppm ultra-high stability ensures reliable detection accuracy
• Compact package sizes (3.2×2.5 mm to 1.6×1.2 mm)
→ Suitable for dashboard integration without structural modification
• Millisecond-level fast start-up
→ Immediate detection after vehicle shutdown
→ ±0.5 ppm ultra-high stability ensures reliable detection accuracy
• Compact package sizes (3.2×2.5 mm to 1.6×1.2 mm)
→ Suitable for dashboard integration without structural modification
• Millisecond-level fast start-up
→ Immediate detection after vehicle shutdown
3
Recommended Selection
• SJK-7F26000 + SJK-8W32000
• Dedicated CPD module solution with automotive safety certification
• Dedicated CPD module solution with automotive safety certification
1
Pain Points
• Millisecond-level communication requirements
• Signal distortion during high-speed driving
• Signal distortion during high-speed driving
2
SJK Crystal Advantages
• SJK TCXO (SJK-7X / SJK-5T Series)
→ ±0.5 ppm high stability reduces communication response to millisecond level and enables 3–5 seconds earlier collision warnings
• Low EMI and anti-interference design
→ 100% communication signal accuracy during high-speed operation
• 1.8V low-voltage compatibility
→ Efficient integration with V2X modules
→ ±0.5 ppm high stability reduces communication response to millisecond level and enables 3–5 seconds earlier collision warnings
• Low EMI and anti-interference design
→ 100% communication signal accuracy during high-speed operation
• 1.8V low-voltage compatibility
→ Efficient integration with V2X modules
3
Recommended Selection
• SJK-7X27000
• Mainstream model for V2X vehicle-road collaboration projects
• Mainstream model for V2X vehicle-road collaboration projects
1
Pain Points
• Potting deformation
• Electromagnetic interference from motors
• Cold-start failures
• Electromagnetic interference from motors
• Cold-start failures
2
SJK Crystal Advantages
• SJK GLASS-package crystals (SJK-7Z / SJK-7V Series)
→ Anti-deformation design suitable for potting processes without frequency drift
• Low EMI design
→ Resists motor electromagnetic interference
• Wide-temperature fast start-up
→ Reliable ignition at -40°C extreme cold
→ Anti-deformation design suitable for potting processes without frequency drift
• Low EMI design
→ Resists motor electromagnetic interference
• Wide-temperature fast start-up
→ Reliable ignition at -40°C extreme cold
3
Recommended Selection
• SJK-7Z20000000 + SJK-7R25000000
• Preferred models for body control units and electronic control manufacturers
• Preferred models for body control units and electronic control manufacturers
|
|
|
Key Automotive-Grade Advantages |
| Multi-sensor misalignment / AI misjudgment | SJK-7X / SJK-7Q TCXO + SJK-2N XO |
|
| Voice / communication delay | SJK-1N / SJK-0N XO + SJK-7U XTAL | Low EMI, wide frequency options, stable from -40°C to 85°C |
| CPD detection distortion / limited space | SJK-7F / SJK-7Y XTAL + SJK-8W TCXO | Compact size, ±10 ppm stability, ultra-low power, easy start-up |
| Potting deformation / EMI interference | SJK-7Z / SJK-7V GLASS crystal | Anti-deformation, high-temperature resistance, moisture resistance |
| System master control / shock resistance | SJK MEMS programmable oscillator | 60,000G shock resistance, 1 ps low jitter, ±25 ppm total frequency tolerance |
Get in touch with us
Just leave your email or phone number in the contact form so we can send you a free quote for our wide range of designs!
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