SM05B-NSHSS Header: Description, Features, and Applications

What is the SM05B-NSHSS?

The SM05B-NSHSS is a surface mount connector header from JST, featuring a right-angle configuration with 5 positions and a 1.00 mm pitch. It is designed for use in compact electronic devices, offering reliable connections with a secure locking mechanism. The connector's low insertion force makes mating easy, ensuring a user-friendly experience. Compliant with RoHS standards, it is ideal for a wide range of applications, including consumer electronics, automotive systems, and industrial equipment, where space efficiency and stable connections are crucial.

Primary Features of SM05B-NSHSS

The SM05B-NSHSS is a 5-position, 1.00 mm pitch surface-mount right-angle header connector manufactured by JST. Below are its primary features:

Positions and Pitch: 5 positions with a 1.00 mm pitch, ideal for compact designs.

Mounting Style: Surface Mount Technology (SMT) for efficient PCB assembly.

Orientation: Right-angle configuration for side-entry connections.

Insulation: Polyamide/Nylon, providing durability and heat resistance.

Contacts: Tin-plated copper alloy for reliable conductivity and corrosion resistance.

Locking Mechanism: Latch holder design ensures secure mating with an audible click during connection.

Operating Temperature Range: -25°C to +85°C, suitable for various environments.

RoHS Compliance: The product is compliant with RoHS standards, indicated by the "(LF)(SN)" label.

Packaging: Typically sold in reels of 1500 units, designed for automated assembly processes.

SM05B-NSHSS Specifications

Advantages of Using SM05B-NSHSS

The SM05B-NSHSS connector offers several advantages that make it an excellent choice for various electronic applications. Here are the primary benefits:

Compact Design:

With a 1.00 mm pitch and 5 positions, this connector is designed for space-constrained applications, allowing for efficient use of PCB real estate.

Surface Mount Technology (SMT):

The surface mount design facilitates automated assembly processes, enhancing production efficiency and reducing labor costs.

Right-Angle Orientation:

The right-angle configuration allows for easy routing of wires and connections, making it suitable for tight spaces and minimizing the need for additional components.

Low Insertion Force:

The connector features a low insertion force design, which simplifies mating operations and reduces wear on contacts during installation.

Secure Locking Mechanism:

Equipped with a secure latch holder, the SM05B-NSHSS ensures reliable connections that can withstand vibrations and mechanical stress, reducing the risk of disconnection.

Wide Operating Temperature Range:

It operates effectively in temperatures ranging from -25°C to +85°C, making it suitable for various environments, including industrial and automotive applications.

High Electrical Ratings:

The connector supports a voltage rating of up to 50V and a current rating of 1A, making it versatile for different electronic circuits.

RoHS Compliance:

Being RoHS compliant ensures that the connector meets environmental regulations, making it a responsible choice for manufacturers concerned with sustainability.

Durability:

Constructed from robust materials like polyamide and tin-plated copper alloy, this connector is designed for longevity and reliability in demanding applications.

SM05B-NSHSS Applications

The SM05B-NSHSS connector is versatile and widely used in various applications due to its compact design and reliable performance. Here are some common applications:

Consumer Electronics:

Used in devices such as smartphones, tablets, and laptops where space-saving connectors are essential.

Automotive Systems:

Employed in automotive electronics for connecting sensors, control units, and other components that require robust connections in a compact form factor.

Industrial Equipment:

Suitable for industrial control systems, PLCs (Programmable Logic Controllers), and automation devices that require reliable wire-to-board connections.

Telecommunications:

Utilized in telecom equipment for connecting circuit boards within routers, switches, and other networking devices.

Medical Devices:

Commonly found in medical equipment where secure and reliable connections are critical for device functionality.

Home Appliances:

Used in various home appliances for internal wiring connections, ensuring efficient operation and compact designs.

IoT Devices:

Ideal for Internet of Things (IoT) applications where small size and low power consumption are important.

SM05B-NSHSS Equivalents

The SM05B-NSHSS connector from JST has several equivalents within the NSH series, each offering varying numbers of positions to meet different design needs. The primary difference among these connectors lies in the number of positions, ranging from 2 to 10 while maintaining the same 1.00 mm pitch and surface-mount technology. The connectors all feature a secure locking mechanism to ensure stable connections and are designed for compact, space-efficient applications. Additionally, the BM05B-NSHSS-TBT variant provides the same 5 positions as the original, but with a top-entry mounting style, providing more flexibility in specific designs. These equivalents allow for easy adaptation to different application requirements without compromising on functionality.

SM05B-NSHSS Compared to Other Connectors in terms of durability

When comparing the SM05B-NSHSS connector to other connectors in terms of durability, several factors come into play, including material composition, design features, and application suitability. Below is a comparison based on these criteria:

Durability Comparison of SM05B-NSHSS with Other Connectors

Key Durability Aspects

Material Composition:

The SM05B-NSHSS utilizes durable polyamide for insulation and tin-plated copper for contacts, which provides good conductivity and resistance to corrosion. In contrast, connectors like TE Connectivity's 179228-5 use brass with gold plating, offering superior corrosion resistance but at a higher cost.

Temperature Range:

The operating temperature range of the SM05B-NSHSS (-25°C to +85°C) is suitable for many applications, but connectors like the TE Connectivity variant can operate in more extreme conditions (-40°C to +105°C), making them more durable in harsh environments.

Current and Voltage Ratings:

While the SM05B-NSHSS has a current rating of 1A and a voltage rating of 50V, other connectors may offer higher ratings (e.g., Molex with up to 2A), which can be beneficial in high-power applications.

Locking Mechanism:

The secure latch holder of the SM05B-NSHSS enhances its durability by ensuring a reliable connection that withstands vibrations and mechanical stress. This feature may not be present in all comparable connectors.

Insertion Force:

The low insertion force characteristic of the SM05B-NSHSS allows for easier mating and demating, potentially reducing wear over time compared to connectors that require more force.

Working Principle of SM05B-NSHSS

The SM05B-NSHSS connector operates based on a secure locking mechanism and a low insertion force design, facilitating reliable electrical connections in compact electronic assemblies. Here’s an overview of its working principle:

1. Contact Structure:

The connector features a secure locking structure that ensures proper alignment and connection between the header and the mating connector. This design prevents contact deformation during mating, which is critical for maintaining electrical integrity.

2. Low Insertion Force:

The SM05B-NSHSS is designed to allow for low insertion force during mating operations. This characteristic reduces stress on both the connector and the PCB, making it easier to connect and disconnect without damaging the components.

3. Latch Mechanism:

It incorporates a latch holder that provides tactile feedback (an audible click) when the connector is fully engaged. This feature not only enhances user experience but also ensures that the connection remains secure during operation, even in environments subject to vibrations.

4. Electrical Performance:

The connector supports a current rating of 1A and a voltage rating of 50V, making it suitable for various applications. It maintains a contact resistance of up to 30 mΩ initially, ensuring efficient conductivity.

5. Material Composition:

Constructed from durable materials such as polyamide for insulation and tin-plated copper alloy for contacts, the SM05B-NSHSS is designed to withstand operating temperatures ranging from -25°C to +85°C, ensuring reliability across diverse environmental conditions.

6. Environmental Compliance:

The connector is RoHS compliant, indicating that it meets environmental standards regarding hazardous substances, which is essential for modern electronic manufacturing.

The SM05B-NSHSS operates effectively by combining a low insertion force design with secure locking mechanisms to provide reliable connections in compact electronic devices. Its robust construction and compliance with electrical standards make it suitable for a wide range of applications in consumer electronics, automotive systems, and industrial equipment.

SM05B-NSHSS Datasheet

SM05B-NSHSS Datasheet

Conclusion of SM05B-NSHSS

The SM05B-NSHSS connector from JST is a highly versatile and reliable component, designed for space-constrained applications where stability and ease of use are crucial. Featuring a 1.00 mm pitch and surface mount technology (SMT), this connector is ideal for compact electronic devices such as consumer electronics, automotive systems, and industrial equipment. Its secure locking mechanism ensures a stable connection, while the low insertion force provides user-friendly mating. With a RoHS-compliant design and robust electrical properties, the SM05B-NSHSS is an excellent choice for designers seeking a reliable and efficient solution for high-density connections. Additionally, the availability of equivalent connectors within the NSH series allows for flexibility in design, offering various options to meet specific application requirements while maintaining similar performance standards.