The SM04B1-CPTK-1A-TB is a 4-position, 1.5mm pitch crimp-style connector manufactured by JST (Japan Solderless Terminal). It is part of the SM series of connectors, known for their compact size, high reliability, and secure locking mechanism. These connectors are commonly used in a wide range of applications where space is limited and a reliable connection is essential.

Applications:

• Consumer electronics (e.g., smartphones, tablets, laptops)
• Industrial equipment (e.g., sensors, actuators, control panels)
• Medical devices (e.g., diagnostic equipment, monitoring systems)
• Automotive electronics (e.g., infotainment systems, lighting controls)
• Robotics (e.g., signal and power connections)

Features:

• Compact size: 1.5mm pitch allows for high-density mounting.
• Crimp-style termination: Provides a secure and reliable wire connection.
• Positive locking mechanism: Prevents accidental disconnection.
• Polarization feature: Ensures correct mating orientation.
• Durable construction: Designed for reliable performance in harsh environments.
• RoHS compliant: Environmentally friendly and compliant with RoHS standards.

Benefits:

• Space saving: Compact size allows for high-density board layouts.
• Reliable connection: Crimp-style termination and locking mechanism ensure a secure connection.
• Ease of assembly: Simple crimping process simplifies assembly and reduces labor costs.
• Prevents mis-mating: Polarization feature prevents incorrect connections.
• Long-term reliability: Durable construction ensures long-term performance.

Additional Details:

The SM04B1-CPTK-1A-TB connector accepts wires in the range of AWG #26 to #32. The housing material is typically made of a durable plastic that can withstand high temperatures. The crimp terminals are made of tin-plated copper alloy. The mating force and withdrawal force are specified in the JST datasheet for this part number. This connector is widely used in applications where a small, reliable, and easy-to-assemble connection is required.