Supply original B4B-PH-SM4-TB(LF)(SN), Rectangular Connectors - Headers, Male Pins, by JST

The "B4B-PH-SM4-TB(LF)(SN)" is a specific type of connector manufactured by JST (Japan Solderless Terminal), a well-known company specializing in electronic connectors. Here’s a detailed description of this connector:

General Overview

The B4B-PH-SM4-TB(LF)(SN) is a 4-position, wire-to-board connector designed for reliable electrical connections in various electronic applications. It is part of JST's PH series, which is known for its compact size and versatility, making it suitable for a wide range of devices, including consumer electronics, automotive applications, and industrial equipment.

Physical Characteristics

• Connector Type: Wire-to-board connector
• Number of Positions: 4
• Pitch: The connector typically features a 2.0 mm pitch, which refers to the distance between the centers of adjacent pins.
• Mounting Style: It is designed for surface mount (SM) applications, allowing for easy integration onto printed circuit boards (PCBs).
• Orientation: The connector is usually available in a vertical orientation, which helps in saving space on the PCB.

Material and Finish

• Housing Material: The connector housing is typically made from high-quality thermoplastic material, providing durability and resistance to heat and chemicals.
• Contact Material: The contacts are usually made from copper alloy, ensuring good electrical conductivity.
• Surface Finish: The "(LF)(SN)" designation indicates that the connector has a lead-free (LF) finish, often with a tin (Sn) plating, which is environmentally friendly and compliant with RoHS standards.

Electrical Characteristics

• Current Rating: The B4B-PH-SM4-TB(LF)(SN) can typically handle a current rating of up to 2A per contact, making it suitable for low to moderate power applications.
• Voltage Rating: The voltage rating is generally around 250V AC, allowing it to be used in various electronic circuits without risk of breakdown.

Features

• Locking Mechanism: The connector often includes a locking mechanism to ensure a secure connection, preventing accidental disconnection during operation.
• Easy Assembly: The design allows for straightforward assembly and disassembly, making it user-friendly for both manufacturers and end-users.
• Compact Design: Its small footprint makes it ideal for applications where space is limited.

Applications

The B4B-PH-SM4-TB(LF)(SN) connector is widely used in:

• Consumer electronics (e.g., smartphones, tablets)
• Automotive electronics (e.g., sensors, control units)
• Industrial equipment (e.g., automation systems)
• Home appliances (e.g., washing machines, refrigerators)

Conclusion

The B4B-PH-SM4-TB(LF)(SN) connector from JST is a reliable and versatile component that meets the needs of various electronic applications. Its compact design, robust materials, and environmentally friendly features make it a popular choice among engineers and manufacturers looking for efficient connectivity solutions.