SM03B-PASS-TBT(LF)(SN)

The SM03B-PASS-TBT(LF)(SN) is a specific type of connector manufactured by JST (Japan Solderless Terminal), a well-known company in the field of electronic connectors. Here’s a detailed description of this component:

General Overview

The SM03B-PASS-TBT(LF)(SN) is a 3-pin connector designed for use in various electronic applications. It is part of JST's SM series, which is known for its compact design and reliability in connecting wires and circuits.

Physical Characteristics

• Connector Type: This is a wire-to-board connector, meaning it is designed to connect wires to a printed circuit board (PCB).
• Number of Pins: The connector features 3 pins, allowing for a three-wire connection.
• Pitch: The pin pitch (the distance between the centers of adjacent pins) is typically 2.0 mm, which is standard for this series, allowing for a compact layout on PCBs.
• Material: The housing is made from high-quality plastic, which provides durability and resistance to environmental factors. The pins are usually made from copper alloy, ensuring good electrical conductivity.
• Surface Finish: The "(SN)" in the part number indicates that the pins have a tin (Sn) plating, which enhances corrosion resistance and solderability.

Electrical Characteristics

• Current Rating: The connector is rated for a maximum current of around 3A, making it suitable for low to moderate power applications.
• Voltage Rating: It typically supports a voltage rating of up to 250V, which is adequate for many electronic devices.
• Contact Resistance: The contact resistance is low, ensuring efficient electrical performance.

Design Features

• Locking Mechanism: The connector is designed with a locking mechanism that ensures a secure connection, preventing accidental disconnection during operation.
• Orientation: The connector is designed for easy mating and unmating, with a clear orientation to prevent incorrect connections.
• 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 SM03B-PASS-TBT(LF)(SN) connector is widely used in various applications, including:

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

Summary

In summary, the SM03B-PASS-TBT(LF)(SN) from JST is a reliable, compact, and efficient 3-pin wire-to-board connector suitable for a wide range of electronic applications. Its robust design, combined with excellent electrical characteristics, makes it a popular choice among engineers and manufacturers in the electronics industry.