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HRS DH30B-37S: The Ultimate Guide to This Vital Connector

By Published On: October 31, 2025Categories: Blog, Electronic Components
HRS DH30B-37S

Table Of Contents

1. Introduction: The Unsung Hero of Electronics

In the vast and intricate world of modern electronics, every component plays a crucial role in ensuring the seamless operation of devices and systems. From consumer gadgets to heavy industrial machinery, the reliability of electrical connections is paramount. Among the myriad of electronic components, connectors stand as critical interfaces, bridging circuits and facilitating data and power transfer. When it comes to high-performance and dependable connections, Hirose (HRS) is a name that consistently emerges at the forefront. Their extensive range of HRS Connectors are trusted globally for their robust design and superior performance.

This comprehensive guide delves into one specific, yet highly significant,electronic part: the DH30B-37S. As a prominent member of the esteemed DH Series Connectors, the DH30B-37S is far more than just a piece of hardware; it’s a solution engineered for precision, durability, and versatility. Whether you’re a design engineer, a procurement specialist, or simply someone keen to understand the backbone of modern electronics, this article will illuminate the core attributes, applications, and enduring value of this vital 37 Position Receptacle Connector.

 

2. Understanding the HRS DH30B-37S Connector

HRS DH30B-37S Connector

The DH30B-37S is a high-density, multi-pin rectangular connector designed for demanding industrial and commercial applications. The ‘DH’ in its designation refers to the DH Series, known for its compact size, robust construction, and reliable signal integrity. The ’37S’ indicates its configuration as a 37-position (pin) receptacle (socket) connector, specifically designed to mate with a corresponding plug, creating a secure and stable electrical connection.

This particular connector is a testament to HRS’s commitment to quality and innovation in electronic components. Its primary function is to enable the secure and precise transmission of multiple signals or power lines within complex electronic systems. The choice of 37 positions is often ideal for applications requiring a significant number of I/O connections in a space-constrained environment, offering a balance between density and ease of handling.

Understanding the context of the DH Series Connectors helps appreciate the DH30B-37S. This series often features variations in pin count, gender, and mounting styles, providing flexibility for designers. The DH30B-37S, as a receptacle, is typically mounted on a panel or PCB, ready to receive its counterpart, forming a vital link in the electronic chain.

 

3. Key Features and Technical Specifications

The strength of the DH30B-37S lies in its meticulously engineered features and robust specifications, which make it a go-to choice for critical applications. Referencing the datasheet, we can outline some of its most compelling attributes:

  • High Pin Count:The 37 positions allow for extensive signal routing in a single compact connector, reducing the need for multiple smaller connectors and simplifying wiring.
  • Robust Construction:Designed to withstand harsh environments, the connector often features durable housing materials that protect against mechanical stress and environmental factors.
  • Secure Mating Mechanism:Many HRS Connectors, including those in the DH Series, employ positive locking mechanisms, such as screw-lock or latching, to ensure a stable and vibration-resistant connection, crucial for mobile or high-vibration applications.
  • High Reliability:Gold-plated contacts are typically used to ensure low contact resistance and excellent long-term reliability, preventing signal degradation over time.
  • Operating Temperature Range:A wide operating temperature range typically allows for use in industrial settings where temperature fluctuations are common.

Technical Specification Table of DH30B-37S

To provide a clear understanding of its capabilities, here’s a summary of key technical specifications for the DH30B-37S:

Feature Specification Benefit for Applications
Number of Positions 37 High
signal density, less cabling
Current Rating 1A per contact (typically) Suitable for signal and low-power applications
Voltage Rating 250V AC/DC (typically) Standard for many control and data circuits
Contact Resistance Max 30mΩ Ensures efficient signal transfer with minimal loss
Insulation Resistance Min 1000MΩ Excellent electrical isolation, preventing short circuits
Dielectric Withstanding Voltage AC 750V / 1 minute High electrical breakdown resistance
Operating Temperature -55°C to 85°C Wide environmental adaptability for industrial use
Mating Cycles 500 cycles (typically) Long operational
lifespan
Contact Material Copper alloy with gold plating Ensures high conductivity and corrosion resistance
Insulator Material PBT, LCP (or similar) High
dielectric strength and heat resistance

These specifications underscore why the DH30B-37S is considered a robust and reliable electronic part, capable of performing consistently in demanding scenarios. Designers looking for dependable HRS Connectors will find these details reassuring.

 

4. Design Excellence: Why DH30B-37S Stands Out

The design philosophy behind the DH Series Connectors, and specifically the DH30B-37S, focuses on a blend of compactness, durability, and ease of use. This 37 Position Receptacle Connector is engineered to optimize space while maintaining high performance, a critical requirement for many modern electronic components.

Compact Footprint

One of the primary advantages of the DH30B-37S is its relatively small form factor for a 37-pin connector. This enables engineers to create more compact designs, an ever-growing necessity in industries ranging from portable medical devices to industrial control panels where space is at a premium. The efficient arrangement of pins within the housing contributes significantly to this space-saving design.

Polarization and Mis-mating Prevention

HRS Connectors DH30B-37S

To prevent incorrect connections, which can lead to system damage or malfunction, HRS Connectors often incorporate polarization features. The DH30B-37S typically includes keying or unique housing shapes that ensure it can only be mated in the correct orientation. This simple yet critical design element enhances reliability and simplifies assembly during manufacturing and field service.

Ease of Assembly and Maintenance

While robust, the design also considers ease of assembly. The receptacles are often designed for straightforward panel mounting or PCB mounting (through-hole or SMT, depending on the variant). This facilitates efficient manufacturing processes. Furthermore, the clear pin assignments (often marked) aid in wiring and troubleshooting, simplifying maintenance down the line. The availability of crimp contacts for wires also means field repairability in some configurations.

 

5. Versatile Applications of the 37-Position Receptacle

HRS Connectors DH30B-37S

The robust features and reliable performance of the DH30B-37S make it suitable for a wide array of industries and applications where secure, multi-signal connections are paramount. Its ability to handle 37 distinct circuits in a single unit makes it invaluable for complex systems.

  • Industrial Automation and Robotics:In factories and manufacturing plants, the DH30B-37S is often found in control panels, programmable logic controllers (PLCs), and robotic systems. It facilitates the connection of sensors, actuators, and communication lines, ensuring precise and uninterrupted operation. The high vibration resistance of HRS Connectors is particularly beneficial here.
  • Medical Devices:From diagnostic equipment to patient monitoring systems, medical applications demand absolute reliability and safety. The DH30B-37Scan be used in connecting various modules within medical devices, transmitting critical data and power while adhering to stringent industry standards.
  • Telecommunications Equipment:Data communication infrastructure, including base stations, network switches, and data center equipment, often relies on high-density connectors for signal routing. The DH30B-37S provides a compact and reliable solution for managing numerous data and control lines.
  • Test and Measurement Equipment:Precision is key in test and measurement. This 37 Position Receptacle Connector is frequently employed in oscilloscopes, spectrum analyzers, and other testing apparatus where accurate and stable connections are essential for obtaining valid readings.
  • Broadcast and Audio-Visual Equipment:Professional AV systems require numerous connections for video, audio, and control signals. The DH30B-37S offers a compact way to consolidate these connections, simplifying setup and improving reliability in demanding live or studio environments.
  • Aerospace and Defense:While often requiring specialized versions, the general reliability and robust nature of the DH Series Connectors make them suitable for less extreme aerospace and defense applications where shock and vibration resistance are critical.

Across these diverse sectors, the DH30B-37S proves its worth as an indispensable electronic part, reliably connecting vital circuits and data paths, highlighting the importance of robust electronic components.

6. Advantages of Choosing DH Series Connectors from HRS

Beyond the specific attributes of the DH30B-37S, choosing HRS Connectors, and specifically those from the DH Series Connectors, brings several overarching benefits that resonate with engineers and product developers alike.

  • Unwavering Quality and Reliability:HRS has built a global reputation for manufacturing high-quality electronic parts. Their rigorous testing and quality control processes ensure that each DH30B-37S meets stringent performance standards, leading to fewer failures and higher system uptime.
  • Innovation and Expertise:With decades of experience, HRS continuously innovates, incorporating new materials and design principles to enhance connector performance. The DH Series Connectors are a product of this expertise, offering advanced features for modern electronic demands.
  • Broad Product Portfolio:While we focus on the DH30B-37S, the DH Series offers a range of pin counts and configurations, allowing designers to standardize on a familiar and reliable platform for various connection needs. This simplifies supply chains and reduces design complexities.
  • Global Support and Availability:As a major global manufacturer, HRS provides extensive technical support and ensures widespread availability of its electronic components. This is crucial for large-scale production and for securing critical electronic parts for ongoing projects.
  • Compliance and Standards:HRS Connectors typically adhere to relevant international industry standards (e.g., RoHS, UL/CSA), which is essential for global market access and product safety.

By opting for the DH30B-37S, you’re not just getting a 37 Position Receptacle Connector; you’re investing in the reputation and proven track record of one of the industry’s leading manufacturers of electronic components.

 

7. Installation Best Practices and Maintenance Tips

HRS Connectors DH30B-37S

Even the most robust electronic parts like the DH30B-37S require proper handling and installation to ensure their longevity and optimal performance. Following best practices can significantly extend the operational life of these critical HRS Connectors.

1) Installation Best Practices

  • Refer to Datasheet:Always consult the official HRS datasheet for specific mounting instructions, torque specifications for screws (if applicable), and recommended wire gauges.
  • Proper Wire Preparation:For crimp contacts, ensure wires are stripped to the correct length and crimped using the manufacturer-recommended tool. Incorrect crimping is a common cause of intermittent connections.
  • ESD Precautions:Handle all electronic components, including the DH30B-37S, with appropriate Electrostatic Discharge (ESD) precautions to prevent damage to sensitive internal circuitry.
  • Mechanical Alignment:When mating the 37 Position Receptacle Connector with its plug, ensure perfect alignment to prevent bent pins. Never force a connection. Listen for the positive click or observe the secure engagement of the locking mechanism.
  • Strain Relief:Implement proper strain relief for cables connected to the DH30B-37S to prevent stress on the contacts and solder joints. This is vital for applications subject to vibration or movement.

2) Maintenance Tips

  • Regular Inspection:Periodically inspect connections for signs of wear, corrosion, or damage. Discoloration, loose connections, or exposed wiring can indicate potential
  • Cleaning:If operating in dusty or dirty environments, connectors may accumulate debris. Use appropriate, non-conductive cleaning agents and methods (e.g., compressed air, lint-free swabs with isopropyl alcohol) to clean the contact areas. Ensure the connector is fully dry before re-mating.
  • Avoid Harsh Chemicals:Do not use abrasive cleaners or harsh solvents that could damage the connector housing or contact plating.
  • Secure Fasteners:For screw-lock variants of the DH Series Connectors, ensure mounting screws and coupling screws are tightened to the specified torque to maintain a secure connection.

By adhering to these simple yet effective guidelines, the longevity and high performance of your DH30B-37S and the entire electronic system can be ensured, reaffirming the value of quality electronic parts.

 

8. HRS Connectors FAQs

‘DH’ refers to the DH Series Connectors by Hirose. ’30’ might refer to a specific variant or size, ‘B’ indicates the shell size, and ’37S’ specifies a 37-position (pin) socket (receptacle) type connector.

With a typical current rating of 1A per contact, the DH30B-37S is primarily designed for signal transmission. While it can carry low-level power, it’s not ideal for high-power applications unless multiple pins are ganged together and properly rated for the total current. Always consult the datasheet for specific current limits.

Standard versions of the DH30B-37S are generally not rated for waterproofing. Some HRS series offer IP-rated connectors for harsh environments, but for this specific electronic part, check the datasheet. If waterproofing is required, additional sealing or an enclosure would be necessary.

Yes, depending on the specific model within the DH Series Connectors, you might find through-hole, surface-mount (SMT), or panel-mount options. The ‘B’ in DH30B-37S often indicates a specific mounting or termination style, so always verify with the official documentation.

For the DH30B-37S, the typical mating cycle durability is around 500 cycles. This ensures long-term reliability for most applications, but it’s important to avoid unnecessary mating and un-mating to maximize its lifespan.

 

9. Summary: The Enduring Value of DH30B-37S

The DH30B-37S from Hirose Electric stands as a testament to the critical role that high-quality electronic components play in the functionality and reliability of modern electronic systems. As a robust 37 Position Receptacle Connector within the acclaimed DH Series Connectors, it embodies precision engineering, durable construction, and versatile application potential. From the intricate demands of industrial automation to the critical precision of medical devices, this electronic part consistently delivers secure and stable connections, ensuring the seamless flow of data and power.

By choosing the DH30B-37S, engineers and designers benefit from HRS’s legacy of excellence, enjoying not only a reliable connector but also the assurance of extensive technical support and adherence to stringent quality standards. Understanding its features, proper installation, and maintenance best practices are key to unlocking its full potential and ensuring the long-term integrity of any electronic design. In a world increasingly reliant on complex electronic infrastructure, the unsung hero like the DH30B-37S remains an indispensable foundation for innovation and reliability.

 

Key Takeaways

  • TheDH30B-37S is a high-density, 37-position receptacle connector from HRS’s robust DH Series.
  • It offers superior reliability,signal integrity, and durability, critical for demanding electronic applications.
  • Key specifications include a 1A current rating per contact, 250V voltage rating, and a wide operating temperature range (-55°C to 85°C).
  • Its design features polarization for mis-mating prevention and a compact footprint, essential for modernelectronic components.
  • The connector is widely used in industrial automation, medical devices,telecommunications, and test/measurement equipment due to its versatility.
  • Proper installation and regular maintenance are crucial for maximizing the lifespan and performance of this vitalelectronic part.
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