SMT Automation & Feeder Yield
Rigorous control over pick-up surfaces, carrier tape pocket tolerances, and coplanarity to eliminate feeder mispicks and reflow misalignment.
Tape & ReelNozzle flat areaCoplanarity control
CUNECTRA · TWO CORE PRODUCT LINES
Cu-Al Busbars & PCB/SMT Precision Interconnects.
Engineering review for Cu-Al composite busbars, transition parts and PCB/SMT precision hardware in energy storage, distribution and power electronics. Confirm material, geometry, joints and processing against drawings and actual operating conditions.
Cu-Al Composite Busbars & PCB/SMT Precision InterconnectsPCB/SMT Interconnects · Cu-Al Composites
Tape & ReelReel packaging
2D / 3D / SampleDrawing input
Prototype → VolumeProject stages
CN / ENBilingual support
CU-AL · CORE PRODUCT LINE
Cu-Al Composite Busbars & Transition Parts
Cu-Al composite busbars, single-/double-sided clad sheets and bars, formed insulated conductors and transition parts. Review copper layout, contacts, processing, temperature rise and environment together; equal cross-section alone does not justify replacing copper.
01
Cu-Al cross-section
Copper face, aluminum layer & formed geometry
02
Formed insulated busbars
Insulation, bends & mounting holes
03
Cabinet transition joints
Contact interfaces, fasteners & insulation
Product & application illustrations
View product details →SOLUTIONS
Placement yield, current capacity and assembly retention must align.
Board-Level Current & Thermal Rise
Optimized solder wetting area, low contact resistance, and heavy copper conductors to minimize temperature rise and ensure mechanical retention under high load.
Thermal controlTorque retentionSoldering window
Precision Tooling & Rapid Prototyping
From 2D/3D CAD and sample reverse-engineering to progressive die stamping, plating, and reel packaging with low-cost prototype validation.
Custom toolingProgressive stampingRapid sampling
PRODUCT SCOPE
Cu-Al Composite Busbars & PCB/SMT Precision Interconnects
Two core businesses: Cu-Al composites and PCB/SMT interconnects. Five categories, six product paths.
01CU-AL · CORE PRODUCT LINE
Cu-Al Composite Busbars & Transition Parts
Cu-Al composite busbars, single-/double-sided clad sheets and bars, formed insulated conductors and transition parts. Review copper layout, contacts, processing, temperature rise and environment together; equal cross-section alone does not justify replacing copper.
02贴片汇流条与载流铜块
SMT Busbars & Conductor Blocks
Surface-mount busbars and copper blocks for board-level high-current reinforcement and thermal dissipation, in Tape & Reel packaging.
03SMT 贴片螺母与螺柱
SMT Nuts & Standoffs
Metric and inch SMT nuts, standoffs and spacers in Tape & Reel packaging, reflowed directly with SMD components.
04PCB 焊接端子与插针
PCB Solder & Plug Terminals
SMT tabs, through-hole pins, screw posts and battery contacts engineered for high current capacity, torque resistance and reliability.
05贴片式电源跳线与跨接片
SMT Power Jumpers & Crossovers
20A~70A+ rated arch jumpers for 3D PCB trace clearance, replacing manual wire soldering.
06精密冲压弹片与小五金
Precision Stamped Parts & Clips
PCB grounding spring clips, shield can clips, heatsink brackets and custom stamped contacts with progressive die stamping.
APPLICATIONS
Empowering high-reliability PCB automated manufacturing.
Automotive Electronics & BMS
Battery management sampling terminals, ECU retention nuts, and OBC high-current SMT busbars
Industrial PSUs & Inverters
Server power booster busbars, paralleled MOSFET conductor blocks, and inverter 3D bridge jumpers
ESS & Distribution Controllers
Control board high-current solder terminals, high/low voltage isolation jumpers, and cabinet board interconnects
Telecom & Assembly
Multi-layer PCB stacking standoffs, shield can retention clips, ground spring clips, and sensor electrodes
ENGINEERING INSIGHTS
Engineering notes to guide component selection.
01Cu-Al Composites / Incoming Inspection
Incoming Inspection of Copper Layers and Temper in Cu-Al Busbars
Read full guide→02Cu-Al Composites / DC ResistanceMeasuring and Comparing Cu-Al Busbar DC Resistance per Metre
Read full guide→03Cu-Al Composites / Thermal MovementAllowing Thermal Expansion and Terminal Movement in Long Cu-Al Busbars
Read full guide→RFQ
Describe the requirements to assess project feasibility.
To speed up evaluation, preparing these parameters is recommended. Incomplete drafts are welcome.