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

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

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

Heat Shrink Thermal Indicator LEAD-FREE Solder and Crimp Butt Connectors: Reliable, Visual Soldering for Secure Connections at Del City

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.


Item Description Price
1+ I Ext. Price I 100+ Ext. Price I I 1000+ Ext. Price I
Qty in
Package 		In Stock Add to Cart
980005TI NSPA MTI5-20, Lead-Free Thermal Indicator Heat Shrink, Crimp, & Solder Butt Connector, Clear, 24-22 Ga (10 MIN) drawing
1.40500 14.05 I 1.19500 11.95 I 1.02400 10.24
10 EA ✓
981005TI NSPA MTI5-16, Lead-Free Thermal Indicator Heat Shrink, Crimp, & Solder Butt Connector, Red, 22-18 Ga (10 MIN) drawing
1.47900 14.79 I 1.23200 12.32 I 1.05600 10.56
10 EA ✓
982005TI NSPA MTI5-14, Lead-Free Thermal Indicator Heat Shrink, Crimp, & Solder Butt Connector, Blue, 16-14 Ga (10 MIN) drawing
1.54700 15.47 I 1.28900 12.89 I 1.10500 11.05
10 EA ✓
983005TI NSPA MTI5-10, Lead-Free Thermal Indicator Heat Shrink, Crimp, & Solder Butt Connector, Yellow, 12-10 Ga (10 MIN) drawing
1.83600 18.36 I 1.53 15.30 I 1.31200 13.12
10 EA ✓

Lead-Free Heat Shrink, Solder & Crimp Butt Connectors

Lead-Free Butt Connectors

Lead-Free Butt Connectors Lead-Free Heat Shrink Lead-Free Butt Connectors Heat Shrink Butt Connector

Heat Shrink Lead-Free Solder and Crimp Butt Connectors: Secure and Durable Wire Termination Solutions at Del City

Del City's Heat Shrink Lead-Free Solder and Crimp Butt Connectors, also known as crimp connectors, are designed for mating, connecting, or terminating single wires in various applications. These connectors feature the dual benefits of both crimping and lead-free soldering, ensuring a more secure and reliable connection that is resistant to corrosion, moisture, and other harsh environmental factors. Ideal for use in automotive, industrial, and general electrical applications, these connectors ensure that electrical currents are transferred efficiently and securely.

The new lead-free solder used in these connectors is formulated with greater surface tension, providing added strength and enhancing the overall durability of the connection. The translucent heat shrink insulation is adhesive-lined to offer a waterproof seal, preventing exposure to moisture and contaminants while allowing for easy visual inspection. Each connector is also printed with gauge sizes to streamline the installation process, ensuring proper selection and use.

In comparison to vinyl or nylon alternatives, the heat shrink insulated terminals offer superior pull strength, making them more robust and ideal for applications where durability and resistance to environmental elements are essential. Furthermore, these connectors are RoHS compliant, meaning they adhere to strict environmental and safety standards.

Whether you're working on a project that involves automotive wiring, marine systems, or any other application requiring dependable wire connections, Del City's heat shrink lead-free solder and crimp connectors offer the performance and reliability you need.


  • New LEAD-FREE Solder has greater surface tension for added strength.
  • Translucent heat shrink is adhesive-lined and printed with gauge sizes.
  • Heat shrink insulated terminals have a greater pull strength than vinyl or nylon.
  • Click here for our suggested ratchet crimp tool.
  • Click here for heating tools.
  • RoHS Compliant
  • Cross-Reference to old lead items: 980005LF = 980005, 981005LF = 981005, 982005LF = 982005, 983005LF = 983005.

Item Description Price
1+ I Ext. Price I 100+ Ext. Price I I 1000+ Ext. Price I
Qty in
Package 		In Stock Add to Cart
980005LF NSPA MLF5-20, Lead-Free Heat Shrink, Crimp, & Solder Butt Connector, Clear, 24-22 Ga (10 MIN)
1.36100 13.61 I 1.15900 11.59 I 0.99300 9.93
10 EA ✓
981005LF NSPA MLF5-16, Lead-Free Heat Shrink, Crimp, & Solder Butt Connector, Red, 22-18 Ga (10 MIN)
1.43500 14.35 I 1.19600 11.96 I 1.02500 10.25
10 EA ✓
982005LF NSPA MLF5-14, Lead-Free Heat Shrink, Crimp, & Solder Butt Connector, Blue, 16-14 Ga (10 MIN)
1.50100 15.01 I 1.25100 12.51 I 1.07200 10.72
10 EA ✓
983005LF NSPA MLF5-10, Lead-Free Heat Shrink, Crimp, & Solder Butt Connector, Yellow, 12-10 Ga (10 MIN)
1.78300 17.83 I 1.48680 14.87 I 1.27400 12.74
10 EA ✓
Prop65 Warning