Thermal Indicator Lead- Free Heat Shrink, Solder & Crimp Butt Connectors

Heat Shrink Solder and Crimp Connectors with Red Thermal Indicator for Reliable Automotive and Industrial Applications

Heat Shrink Thermal Indicator Lead-Free Solder and Crimp Butt Connectors are designed for mating, connecting, or terminating a single wire in demanding applications. These connectors combine both solder and crimp functionality for enhanced connectivity, providing extra security and reliability for automotive, industrial, and electrical applications. A key feature of these connectors is the red thermal indicator, which serves as a visual cue during the soldering process. The thermochromic dye in the solder sleeve changes from red to clear as heat is applied, indicating that the solder has fully melted and flowed into the crimp barrel window. This ensures a complete and secure solder joint, which prevents common soldering mistakes like cold solder joints, maximizing tensile strength and conductivity.

The lead-free solder used in these connectors offers added strength, enhanced by the no-clean flux coating, which cleans the metals as the solder melts, ensuring a quality solder termination. The heat shrink insulation is adhesive-lined, creating a durable, moisture-resistant seal that protects the connection from corrosion and other harsh environmental factors. Heat shrink terminals also provide greater pull strength than vinyl or nylon options, making them ideal for challenging conditions.

These thermal indicator connectors are ideal for applications requiring both a visual cue for precise soldering and a secure connection. Their design makes them perfect for automotive, marine, and industrial environments where strong, corrosion-resistant connections are critical.

The connectors feature an ElektraLink Lead-Free Red Thermal Indicator with flux coating and 42SN/58BI alloy, making them RoHS compliant. The shrink temperature is 212°F (100°C), with a melting temperature of 138°C, and they operate in a temperature range of -67°F (-55°C) to 257°F (125°C), ensuring durability and performance in extreme conditions.

• ElektraLink-Lead Free Red Thermal Indicator: Flux Coating with Thermochromic Dye; Red to Clear. 42SN / 58BI ALLOY . RoHS Compliant.
• Red thermal indicator provides an additional visual cue when solder has transformed and flowed into crimp barrel window.
• “No-clean” flux on solder sleeve cleans metals & provides quality solder termination
• Translucent heat shrink is adhesive-lined and printed with gauge sizes.
• Shrink Temperature: 212°F (100°C). Melting Temperature: 138°C
• Continuous Operating Temperature: -67°F (-55°C) TO 257°F (125°C)
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• Click here for a video on proper Thermal Indicator shrink tube butt connector installation.
• Click here for Heat Shrink, Crimp & Solder Butt Connector Data Sheet