Application Features
- Withstands vehicle vibration and wide-temperature cycling, resisting joint cracking
- Controllable BGA voiding, ensuring heat dissipation for high-power components
- Uniform joint impedance for reliable radar signal output
- Full solder climb on connectors, suited to BMS high-voltage applications
Industry Challenges
Strong vehicle vibration and shock can easily cause solder joint fatigue cracking and failure
Severe high-low temperature cycles can cause BGA voids to exceed limits, leading to thermal failures
Solder joints on high-frequency millimeter-wave radar boards affect signal stability
Automotive-grade high reliability requires strict control over impurity residues and batch traceability
Core Advantages
Vibration Resistance and Temperature Cycle Endurance
Excellent solder joint fatigue resistance, capable of withstanding temperature cycles from -40℃ to 125℃, suitable for bumpy and vibrating automotive operating conditions.
Low Voiding and High Thermal Conductivity
Controllable BGA voids and good thermal conduction ensure reliable heat dissipation for high-power devices in BMS and domain controllers.
Stable High-Frequency Signals
Uniform solder joint microstructure and consistent impedance ensure accurate acquisition and transmission of high-frequency signals for millimeter-wave radar.
High-Voltage and High-Current Compatibility
Sufficient wetting and full solder fillet formation meet the reliability requirements for BMS high-voltage sampling and high-current Connector Soldering.
Low Halogen and High Cleanliness
Strict Flux impurity control and low ionic residue reduce the risk of electrochemical corrosion on automotive boards.
Complete Batch Traceability
Full-process composition testing and complete batch records meet automotive-grade production control requirements.
Product Adaptation Solutions
Solder Paste · SMT Reflow Soldering
For SMT placement of ADAS, millimeter-wave radar, BMS, and domain controller motherboards; low-void automotive-grade solder paste suitable for high-frequency and high-power modules.
Solder Bar · Wave Soldering / Dip Soldering
For soldering automotive power boards and high-voltage connector assemblies; pure and stable solder bath with sufficient through-hole wetting, suitable for high-volume automotive production.
Solder Wire · Hand Soldering / Repair
For automotive prototype debugging, BMS, and domain controller board touch-up and rework; low spatter and minimal residue meet automotive board repair requirements.
Application Coverage
ADAS
Assisted Driving Motherboard / Sensing Board
Millimeter-Wave Radar
RF Board / Signal Processing Board
BMS
Battery Management Sampling Board / High-Voltage Board
Domain Controller
Intelligent Driving Domain Controller / Body Domain Controller Motherboard
Typical Process Scenarios
SMT Reflow Soldering
SMT placement of automotive main control boards, low-void soldering for high-power BGA, meeting automotive-grade reliability
Wave Soldering / Selective Wave Soldering
Soldering of high-voltage connectors and plug-in components, full solder fillets, reducing cold solder joint risk
Hand Soldering / Rework
Automotive prototype debugging, production line touch-up, and after-sales repair, suitable for automotive board operations
Quality Assurance
Jia Jinyuan new energy vehicle Electronic Solder paste, solder bars, and solder wires comply with the IPC-J-STD-006C high-reliability standard and meet RoHS environmental regulations. Vibration-resistant and temperature-cycle-enduring, with low voiding and low ionic residue, and batch traceability, suitable for the production of ADAS, millimeter-wave radar, BMS, domain controllers, and all other automotive product lines.






