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Board to Board Connector
Industrial, IT Datacom
This floating BTB connector solves the alignment and reliability challenges that plague fixed-pitch connectors. Engineered for vertical SMT mounting with a 20.0mm stack height and 60 positions, it absorbs misalignment, withstands vibration, and maintains signal integrity across thousands of mating cycles.
At CONSHARE, we engineer solutions for the real problems design teams face: tolerance stack-up, assembly misalignment, thermal expansion mismatches, and long-term reliability in harsh environments. The 60-pin configuration strikes an optimal balance between signal density and board space, making it versatile for industrial controllers, telecom equipment, and medical devices.
The integrated floating design absorbs dimensional variation in both X and Y directions, translating directly into tangible benefits:
Lower assembly scrap rates: Tolerates pick-and-place misalignment and PCB dimensional variation
Thermal expansion compensation: Absorbs dimensional changes without stressing solder joints or bending contacts
Vibration and shock tolerance: Maintains contact integrity under dynamic loads in industrial and automotive environments
Simplified mechanical design: Eliminates the need for ultra-tight alignment tolerances across your assembly
Many engineers underestimate how much misalignment accumulates in multi-board assemblies. PCB tolerances, connector placement accuracy, housing tolerances, and thermal expansion differences can easily exceed what fixed connectors can handle.
This design provides generous float capacity in both axes—enough headroom to handle the tolerance stack-ups that cause field failures in lesser connectors. That extra margin can mean the difference between passing qualification on the first try and costly redesign cycles.
Every contact is precision-stamped from phosphor bronze, chosen for its excellent spring properties and corrosion resistance. The selective plating strategy optimizes both performance and cost:
Plating Layer | Location | Engineering Purpose |
|---|---|---|
Gold (contact area) | Mating interface | Low, stable contact resistance; excellent corrosion resistance; long cycle life |
Gold flash (solder area) | Solder tail surface | Solderability protection during storage; cost-optimized |
Nickel underplate | Base layer across all contacts | Copper diffusion barrier; corrosion protection; gold adhesion layer |
This approach delivers gold's reliability where it matters most—the mating interface—while maintaining cost efficiency elsewhere. It's the CONSHARE philosophy: performance where you need it, value where you don't.
Molded from black polyamide with a UL94V-0 flammability rating, the housing delivers:
High temperature resistance for standard SMT reflow processes
Excellent mechanical strength and dimensional stability
Compliance with flammability requirements for consumer, industrial, and automotive electronics
Matte black finish that blends cleanly with modern device aesthetics
The 20.0mm stack height version is part of a broader platform supporting multiple stack heights from the same base design:
Stack Height | Mating Height | Typical Applications |
|---|---|---|
11.70mm | 15.00mm | Low-profile assemblies, compact consumer electronics |
14.70mm | 15.00mm | General-purpose computing, embedded systems |
16.70mm | 23.00mm | Industrial controls, mid-height board spacing |
20.0mm | 25.00mm | High-density boards, industrial and telecom applications |
Standardizing on this platform across product lines delivers:
Engineering efficiency: One connector system instead of multiple
Purchasing leverage: Consolidated volumes improve pricing and MOQ flexibility
Supply chain resilience: Common tooling reduces qualification risk
Scalability: Move from lower pin counts to 60-pin versions without re-engineering the interface
CONSHARE supports custom stack heights and pin counts beyond standard offerings. Our engineering team can develop solutions tailored to your exact requirements.
This connector is designed first and foremost for signal applications, not power delivery. This focus delivers:
Finer pitch geometry without compromising creepage and clearance
Optimized contact geometry for signal integrity
Higher signal density in less board space
For mixed signal/power applications, our engineering team can help you develop an optimal pin configuration strategy.
The voltage rating supports most low-voltage signal and control applications, with adequate margin for transient spikes in industrial environments. The gold-plated contacts maintain consistent resistance over time, critical for:
High-speed signal integrity
Low-level signal detection from sensors
Consistent performance across temperature extremes
Robust safety margins make this connector suitable for:
Medical devices where patient safety and electrical isolation are paramount
Industrial equipment with noisy electrical environments
Products requiring third-party safety certifications (UL, CE, etc.)
In PLCs, industrial PCs, and factory automation equipment, the floating design absorbs vibration, thermal cycling, and multi-board misalignment while maintaining signal integrity. The 60-pin configuration provides enough I/O for most mid-range industrial control applications.
For diagnostic equipment, patient monitoring systems, and laboratory instruments, gold-plated contacts and high insulation resistance support low-level signal detection, consistent calibration performance, and compliance with medical electrical safety requirements.
In routers, switches, and telecom infrastructure, this 60-pin connector offers high density in a compact footprint, reliable signal transmission for data and control planes, and stack height options to accommodate different board layouts and shielding requirements.
For oscilloscopes, signal generators, and data acquisition systems, stable contact resistance and the floating design make this connector well-suited for applications where consistent performance directly impacts measurement accuracy.
This platform ranges from 20 positions through 60 and beyond. Practical guidelines:
Signal count + 20% spare capacity: Always design with spare pins for future revisions. The 60-pin version is popular for its ample capacity and headroom.
Ground pin strategy: Allocate 15-20% of pins to ground for better signal integrity.
Power requirements: Allocate additional pins and derate appropriately if carrying power.
The 20.0mm stack height works well for designs with components on both boards. When selecting:
Measure the tallest component on each board in the connector area
Add at least 0.5mm clearance per side for tolerance and thermal expansion
Consider airflow requirements and any shielding or EMI gaskets
Designed for standard SMT reflow processes:
No special process requirements
Compatible with lead-free and leaded solder processes
Tape-and-reel packaging for standard pick-and-place equipment
Every CONSHARE connector begins with precision tooling. Our stamping dies hold micron-level tolerances, ensuring consistent mating force, reliable contact resistance, and long service life across every unit.
Every design undergoes comprehensive testing: mating cycle durability, temperature cycling, vibration and shock, and electrical performance verification at extremes. We don't just rely on datasheets—we validate.
Beyond standard offerings, CONSHARE provides:
Custom pin counts and stack heights
Alternative plating options
Custom housing materials for extreme environments
Dedicated engineering support for your application challenges
A: It's designed primarily for general-purpose and moderate-speed signals. For high-speed applications (typically above 1 Gbps), we recommend consulting our engineering team to discuss impedance-controlled options or alternative platforms better suited for high-speed signal integrity.
A: With gold-plated contacts and precision phosphor bronze construction, it's designed for thousands of mating cycles under normal conditions. Exact life depends on alignment, normal force, and environment. For high-cycle applications, we can recommend enhanced plating or contact designs.
A: Measure the tallest component on each board, add at least 0.5mm clearance per side, and factor in thermal expansion, shielding, and airflow. Our application engineers can help calculate the optimal stack height for your specific design.
A: Yes, all CONSHARE connectors meet current RoHS and REACH requirements. We provide full compliance documentation, material declarations, and test reports upon request.
A: Absolutely. CONSHARE provides engineering samples for all standard products. We encourage thorough testing and validation in your specific application before finalizing production quantities.
A: Yes—customization is one of our core strengths. If you need a pin count or stack height not in our standard offering, our engineering team can develop a custom solution, typically faster and more cost-effective than a fully custom design.
