B4B-PH-K-S(LF)(SN)

The “B4B-PH-K-S(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-K-S(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 use in tight spaces.

Physical Characteristics

• Connector Type: Wire-to-board connector
• Number of Positions: 4
• Pitch: The connector typically has a pitch of 2.0 mm, which refers to the distance between the centers of adjacent pins.
• Material: The housing is usually made from high-quality thermoplastic material, providing durability and resistance to heat and chemicals.
• Color: The housing is often a natural or light-colored plastic, which is standard for many JST connectors.

Electrical Specifications

• Current Rating: The connector can handle a current rating of up to 2.0 A per contact, making it suitable for low to moderate power applications.
• Voltage Rating: It typically supports a voltage rating of up to 250 V AC/DC, allowing it to be used in various electronic circuits.
• Contact Resistance: The contact resistance is low, ensuring efficient electrical conductivity and minimal power loss.

Termination Style

• Pin Type: The connector features male pins that are designed for soldering to a printed circuit board (PCB). The pins are often gold-plated (indicated by the “SN” in the part number), which enhances conductivity and prevents corrosion.
• Mounting Type: It is designed for through-hole mounting on PCBs, providing a secure and stable connection.

Features

• Low Profile: The compact design allows for space-saving in electronic devices, making it ideal for applications where size is a constraint.
• Locking Mechanism: The connector typically includes a locking mechanism to ensure a secure connection, preventing accidental disconnection during operation.
• Lead-Free: The “(LF)” in the part number indicates that the connector is lead-free, complying with environmental regulations such as RoHS (Restriction of Hazardous Substances).

Applications

The B4B-PH-K-S(LF)(SN) connector is commonly used in various applications, including:

• Consumer electronics (e.g., audio devices, home appliances)
• Industrial equipment
• Automotive electronics
• Telecommunications
• Medical devices

Summary

In summary, the B4B-PH-K-S(LF)(SN) connector from JST is a reliable, compact, and versatile wire-to-board connector suitable for a wide range of electronic applications. Its robust design, low profile, and lead-free construction make it an excellent choice for modern electronic devices requiring efficient and secure connections.