These sleeve terminals contain a centre ring of solder and a ring of glue at either end of the clear heatshrink
When heated, the solder melts and runs through the wires to complete the electrical join
The heatshrink shrinks 2:1 and glue melts to seal the ends, keeping moisture and dirt out, and also insulate the connection
These shrink solder sleeves also offer strain relief for the termination
Use a flame, soldering iron or hot air gun.
Now colour coded; 1mm = white, 3mm = red, 5mm = blue, 6mm = yellow
Specifications:
Shrink ratio 2:1
Operating temperature range: -55°C~125°C
Solder melts at: > 138°C
Shrink temperature: >=160°C
Dialectric strength: 1kv
Rated at: IP67