OVERVIEW
Driving Innovation Across Every Automation System
Hirose delivers high-performance connector solutions trusted by the world’s leading automotive brands and emerging tech innovators. From LiDAR and lighting to battery systems and infotainment, our rugged, compact designs support next-generation vehicle performance in the harshest environments.
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SUCCESS STORIES: CASE STUDIES & EBOOKS
Real-World Solutions
Innovative Solutions for Real-World Challenges
Explore how Hirose’s connectors drive innovation across industries by solving complex design challenges. Learn from detailed case studies and short stories that showcase our expertise in advanced technologies.
RESOURCES: DESIGN GUIDES & TOOLS
Refine Your Design
Advanced Tools & Guides for Design Excellence
Comprehensive library to help tackle complex design challenges. From application blueprints to detailed technical brochures, discover how Hirose’s advanced solutions can elevate your product designs.
SUCCESS STORIES: CASE STUDIES & EBOOKS
Real-World Solutions
Innovative Solutions for Real-World Challenges
Explore how Hirose’s connectors drive innovation across industries by solving complex design challenges. Learn from detailed case studies and short stories that showcase our expertise in advanced technologies.
RESOURCES: DESIGN GUIDES & TOOLS
Refine Your Design
Advanced Tools & Guides for Design Excellence
Comprehensive library to help tackle complex design challenges. From application blueprints to detailed technical brochures, discover how Hirose’s advanced solutions can elevate your product designs.
Case Studies
Real-World Defense & Aerospace Solutions
See how top OEMs overcame design challenges in XR and tactical systems with Hirose connectors—achieving lighter, smaller, and more rugged solutions.
Application Guides
Design with Confidence
Explore connector blueprints for defense and aerospace XR devices—revealing placement, pitch, and layout strategies for robust, space-saving integration.
What are the primary design considerations for modern data centers? +
Modern data centers must support continuous availability, energy efficiency, scalability, security, and practical serviceability. Engineers must also account for increasing power density, thermal management, equipment space, redundancy, maintenance access, and future capacity. These requirements influence the design of every supporting infrastructure system, from power conversion and cooling to monitoring and communication.
Why is uptime critical in data center design? +
Data centers support cloud computing, artificial intelligence, communications, financial transactions, healthcare systems, enterprise applications, and other services that may require continuous availability. A disruption in power, cooling, monitoring, or communication can affect the equipment and services that depend on the facility. For this reason, data center infrastructure commonly includes redundancy, backup capacity, monitoring, fault isolation, and service procedures designed to reduce the risk and duration of interruptions.
What infrastructure systems support continuous data center operation? +
Continuous operation depends on coordinated power, cooling, monitoring, communication, and security systems. These may include utility power interfaces, switchgear, uninterruptible power supplies (UPS), batteries, generators, power distribution units (PDUs), HVAC or liquid-cooling equipment, environmental sensors, control systems, alarms, and facility management networks. Each subsystem performs a different function, but all must work together to maintain the operating conditions required by servers, storage, and networking equipment. The following sections explore the connector considerations for each of these infrastructure systems in greater detail.
What engineering challenges influence modern data center design? +
Modern data center infrastructure must support increasing power density, AI workloads, higher thermal loads, limited equipment space, long service life, and changing communication requirements. Engineers must balance electrical capacity, thermal management, mechanical reliability, cable routing, assembly, maintenance access, and future scalability. Conditions such as vibration from fans and pumps, repeated thermal cycling, moisture exposure, and high-current operation may also influence component and connector selection.
Why are connectors critical to data center infrastructure? +
Connectors are critical because they enable reliable power distribution, signal transmission, monitoring, and control throughout data center infrastructure. Every connection point has the potential to affect electrical performance, system reliability, serviceability, and long-term operation. Connectors are used throughout UPS systems, battery monitoring equipment, cooling systems, industrial networking, security devices, and facility controls, making them an essential part of maintaining continuous data center operation. Depending on the application, they may carry high current, high voltage, low-level signals, high-speed data, RF signals, or a combination of power and signal.
What should engineers consider when selecting a connector? +
Connector selection begins with understanding the complete application—not simply matching electrical ratings. Engineers should evaluate electrical requirements, mechanical constraints, environmental conditions, manufacturing processes, serviceability, expected product life, and future maintenance. Selecting the appropriate connector early in the design process helps reduce redesigns, simplify assembly, and improve long-term reliability.
How do current and voltage requirements affect connector selection? +
Current and voltage requirements influence connector size, contact design, insulation, creepage, clearance, conductor size, and heat generation. Engineers should evaluate connector ratings under actual operating conditions, including ambient temperature, airflow, enclosure design, conductor size, and the number of simultaneously energized contacts rather than relying solely on published maximum ratings.
How do mechanical requirements influence connector selection? +
Mechanical considerations include available PCB space, connector height, mating direction, cable routing, retention force, alignment tolerance, insertion and extraction access, and expected mating cycles. Engineers should also consider vibration, cable movement, and service access to ensure the connector remains reliable throughout the product lifecycle.
How do environmental conditions influence connector selection? +
Temperature, humidity, condensation, dust, vibration, thermal cycling, and exposure to chemicals or coolants can all influence connector selection. Depending on the application, engineers may need connectors with enhanced sealing, corrosion-resistant materials, secure locking mechanisms, or higher operating temperature ratings. Evaluating the complete operating environment helps improve long-term reliability.
When are locking features needed? +
Locking features help prevent unintended disconnection in applications exposed to vibration, cable movement, repeated handling, heavy cable bundles, or limited mating visibility. They can also provide tactile, audible, or visual confirmation that the connector is fully mated, improving assembly quality and reducing the risk of connection errors.
How can connector selection improve long-term reliability? +
Long-term reliability depends on selecting connectors that match the application's electrical, mechanical, and environmental requirements. Factors such as contact design, secure retention, appropriate materials, environmental protection, and strain relief all contribute to maintaining stable electrical performance throughout the product lifecycle. Reliable connections can also reduce service interruptions and maintenance requirements.
How does connector selection improve assembly and serviceability? +
Connector selection influences manufacturing efficiency, installation, inspection, maintenance, and future upgrades. Features such as polarization, keying, visual mating confirmation, modular cable assemblies, and accessible connector locations help reduce assembly errors while simplifying field service. Connector designs that simplify mating can also reduce assembly time and associated labor costs. For example, one-action connection designs can reduce mating time from approximately three seconds to one second in applicable assembly processes. Designing for serviceability can shorten maintenance time and improve overall equipment availability.
When should connectors be selected during the design process? +
Connector selection should begin early enough to influence PCB layout, enclosure design, cable routing, thermal management, manufacturing, and service planning. Waiting until the final stages of development can limit design flexibility and may require costly redesigns. Early connector selection also provides more time to evaluate electrical performance, mechanical fit, environmental suitability, and manufacturing requirements.
UPS Systems
UPS systems require reliable connections across power conversion, battery monitoring, cooling, control, HMI, and communication systems.
Backup Power
Backup power systems require dependable connections for energy storage, charging, monitoring control, and power delivery during outages.
Power Distribution (PDU)
Power distribution systems require dependable connections for power delivery, monitoring, control, installation, and service throughout the facility.
Security Systems
Security systems connect cameras, access control, sensors, and monitoring equipment throughout data center facilities.
What connector considerations are important for UPS systems? +
UPS connector selection may involve high-current and high-voltage capability, stable contact performance, secure locking, thermal resistance, compact routing, and service access. Requirements vary across rectifiers, chargers, inverters, battery systems, cooling equipment, controls, and communication interfaces.
Where are connectors used inside a UPS? +
Connectors are used in AC/DC power conversion, rectifiers, chargers, DC links, inverters, battery monitoring, HMI and control boards, cooling fans, sensors, and industrial networking interfaces.
How does long service life affect UPS connector selection? +
Long equipment life places greater emphasis on stable contact performance, terminal retention, secure locking, temperature resistance, vibration resistance, assembly quality, and accessible maintenance throughout the UPS lifecycle.
What connector considerations are important for backup power and battery systems? +
Connector selection may involve high-current capability, stable low-level signal connections, secure mating, clear polarization, compact routing, temperature resistance, and long-term contact reliability. Requirements vary across battery modules, charging circuits, sensing systems, control boards, and communication interfaces.
Where are connectors used in battery and backup power systems? +
Connectors are used between battery modules, charging equipment, battery management systems, voltage and temperature sensors, control boards, power distribution circuits, and communication modules. These interfaces may carry high current, sensing signals, control data, or a combination of power and signal.
Why is contact reliability important in battery systems? +
Stable contact performance supports accurate sensing, consistent charging, reliable power delivery, and dependable system monitoring. Contact design, terminal retention, crimp quality, vibration, temperature, contamination, and repeated thermal cycling can all influence long-term connection performance.
What connector considerations are important for power distribution systems? +
Connector selection may involve current and voltage capacity, conductor size, contact resistance, heat generation, grounding, terminal spacing, secure retention, panel space, installation access, and monitoring connections. Requirements should be evaluated under the actual load, temperature, enclosure, and service conditions.
Where are connectors used in power distribution equipment? +
Connectors are used in power inputs and outputs, circuit protection, busbar and cable interfaces, monitoring modules, sensors, control boards, displays, communication modules, and serviceable power-distribution assemblies.
How can connector selection improve PDU installation and serviceability? +
Modular interfaces, clear polarization, secure locking, accessible mating locations, and appropriately sized cable connections can simplify installation, inspection, and component replacement. These features can also help reduce wiring errors and limit disruption to adjacent equipment during service.
What connector considerations are important for data center security systems? +
Connector selection for data center security systems may involve compact size, reliable signal and power connections, secure locking, environmental conditions, and installation requirements. Requirements vary across cameras, access control systems, sensors, and monitoring equipment.
Where are connectors used in security and access control equipment? +
Connectors are used in cameras, access control panels, sensors, card readers, monitoring equipment, communication interfaces, and other security systems throughout data center facilities.
How can connector selection support reliable security system operation? +
Reliable connector selection can help maintain stable power, signal, and communication connections in security equipment. Secure mating, appropriate contact performance, and connector designs suited to the installation environment can support continuous system operation.
Cooling Systems (HVAC)
Cooling systems require dependable connections for fans, pumps, compressors, sensors, actuators, control electronics, and communication.
Monitoring & Controls
Monitoring systems connect sensors, controllers, and communication equipment to help maintain reliable facility performance.
Servers, Switches & High-Speed Computing
High-speed computing systems require dense interconnects that support increasing bandwidth, signal integrity, and equipment density.
What connector considerations are important for cooling systems? +
Cooling-system connector selection may involve operating temperature, moisture exposure, vibration, secure locking, terminal retention, compact routing, power capacity, sensor connections, and service access. Requirements vary across fans, pumps, compressors, heat exchangers, sensors, control boards, and communication modules.
Where are connectors used in HVAC and cooling equipment? +
Connectors are used in fan and blower assemblies, pumps, compressors, temperature and humidity sensors, actuators, control boards, power inputs, monitoring systems, and industrial communication interfaces.
How do temperature, moisture, and vibration affect connector selection? +
Elevated temperatures, condensation, coolant exposure, humidity, and repeated thermal cycling may influence connector materials, sealing, contact finishes, cable construction, and placement. Vibration from fans, pumps, and compressors may also require secure locking, strain relief, and stable terminal retention.
What connector considerations are important for monitoring and control systems? +
Connector selection may involve signal integrity, stable contact performance, secure locking, compact routing, EMI resistance, power delivery, and long-term reliability. Requirements vary across sensors, controllers, displays, gateways, communication modules, and monitoring equipment.
Where are connectors used in monitoring and control equipment? +
Connectors are used in environmental sensors, PLCs, control boards, HMIs, displays, gateways, communication modules, power-monitoring equipment, and building management systems.
How do reliable connectors improve monitoring system performance? +
Reliable electrical connections help maintain accurate sensor readings, dependable communications, and consistent equipment monitoring. Stable contacts, proper shielding, secure retention, and appropriate connector selection can help reduce communication errors and simplify long-term maintenance.
What connector considerations are important for high-speed computing? +
Connector selection for servers, switches, storage, and AI systems may involve bandwidth, insertion loss, return loss, crosstalk, impedance control, shielding, PCB routing, thermal performance, and mechanical alignment.
Where are high-speed connectors used in servers and switches? +
High-speed connectors are commonly used between processors, accelerator cards, storage devices, networking equipment, backplanes, and high-speed cable assemblies throughout modern server architectures.
Why is signal integrity important in high-speed connector selection? +
As data rates increase, connector performance becomes part of the complete signal channel. Engineers evaluate insertion loss, return loss, crosstalk, impedance matching, PCB routing, and shielding to help maintain reliable signal transmission.
How does contact resistance affect connector performance? +
Contact resistance contributes to voltage drop and heat generation at the connection point. In high-current applications, even a small increase in resistance can produce additional heating and reduce available operating margin. Contact geometry, normal force, plating, conductor size, crimp quality, contamination, mating condition, and long-term wear can all influence resistance throughout the connector lifecycle.
How do temperature and current derating affect connector selection? +
A connector’s allowable current may decrease as ambient temperature rises or as more contacts carry current simultaneously. Engineers should review derating data under conditions that reflect the actual design, including wire size, airflow, enclosure temperature, contact loading, and nearby heat sources. Evaluating temperature rise rather than relying only on a maximum current rating helps reduce the risk of excessive heating.
How does thermal cycling affect connector reliability? +
Repeated heating and cooling cause connectors, conductors, PCBs, and housings to expand and contract at different rates. Over time, this movement can influence contact interfaces, solder joints, terminal retention, and mechanical alignment. Connector materials, contact design, mounting structure, and strain management should therefore be evaluated for the expected temperature range and number of operating cycles.
How do vibration and mechanical movement affect connectors? +
Vibration and movement can place stress on contact interfaces, terminals, solder joints, cables, and housings. Sources may include fans, pumps, compressors, removable modules, cable pull, or equipment handling. Secure locking, stable terminal retention, strain relief, floating structures, and appropriate cable routing can help maintain reliable electrical and mechanical connections.
How do connectors affect signal integrity and EMI performance? +
Connector geometry, impedance, shielding, grounding, pin assignment, and contact arrangement can influence insertion loss, return loss, crosstalk, and electromagnetic interference. At higher data rates, the connector should be evaluated as part of the complete signal channel, including PCB traces, vias, cables, launch geometry, and adjacent signals.
How do creepage and clearance affect high-voltage connector design? +
Clearance is the shortest distance through air between conductive parts, while creepage is the shortest distance along an insulating surface. Both influence insulation performance in high-voltage designs. Required distances depend on working voltage, transient conditions, insulation materials, pollution level, altitude, applicable standards, and the surrounding equipment design.
What testing is used to evaluate connector reliability? +
Connector evaluation may include temperature-rise, contact-resistance, dielectric, insulation-resistance, vibration, mechanical-shock, thermal-cycling, humidity, corrosion, mating-cycle, retention, and environmental-sealing tests. High-speed connectors may also be evaluated for insertion loss, return loss, crosstalk, and complete-channel performance. The appropriate test plan depends on the application, operating environment, expected life, and applicable industry requirements.
Data Center SolutionsExplore connector solutions for key data center infrastructure applications. Explore Solutions → |
Application GuidesExplore connector recommendations across data center infrastructure applications. View Guides → |
Data Center BlogExplore technical blogs covering data center infrastructure, connector selection, and design considerations. Read Blog → |
Connector SelectorSearch and compare connector options based on your design requirements. Find a Connector → |
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