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Test methods and effects of Heat Shrinkable Braided Sleeve

January 15, 2024

Heat Shrinkable Braided Sleeve is one of the basic electronic devices made of semiconductor materials. It has the function of increasing current and is an important component of electronic circuits. There are many kinds of common crystallized Heat Shrinkable Braided Sleeve in China, with different pin arrangements and applications. For Heat Shrinkable Braided Sleeve with uncertain pin arrangement, it is necessary to measure to determine the correct position of each pin, or search the transistor operating manual to determine the characteristics of the Heat Shrinkable Braided Sleeve and the corresponding performance parameters and materials, the Heat Shrinkable Braided Sleeve is woven with environmentally friendly and energy-saving PET yarn, which has strong elasticity, abrasion resistance, flame retardant grade and elastic properties.

Heat Shrinkable Sleeve

touch the red test lead of the digital multimeter to the positive level of the Heat Shrinkable Braided Sleeve, and touch the black test lead to the negative level of the Heat Shrinkable Braided Sleeve. If the meter rod points to a maximum value or close to the maximum value, the pipe is in compliance with the standard, To detect the positive direction characteristics, touch the black test lead (positive level in the meter) of the digital multimeter to the positive level of the heat shrink braided casing, and touch the red test lead (negative level in the meter) to the negative level of the heat shrink braided casing.
If the pointer does not go to 0 but stops in the middle of the dial, the resistance value at this time is the positive resistance of the Heat Shrinkable Braided Sleeve. Generally, the lower the positive resistance, the better. If the positive resistance is 0 Value indicates that the core tube is damaged due to short circuit. If the forward resistance is close to the maximum value, it indicates that the core tube is short-circuited. Short-circuited and open-circuited pipes cannot be used.
For electronic switches, Heat Shrinkable Braided Sleeve have little resistance under reverse voltage and are in an on-off state, which is equivalent to a connected power switch; under reverse voltage, the resistance is very large and are in a cut-off state, like a broken switch, using the switching characteristics of the heat-shrinkable braided sleeve, it can form other sequential logic circuits, the heat-shrinkable braided sleeve can detect the sound in the recorder, and the variable-capacity heat-shrinkable braided sleeve can be used. A limiting component in the tuner of a TV.
After the forward direction of the Heat Shrinkable Braided Sleeve is passed through, the resistance in the forward direction basically remains unchanged (0.7V for silicon tubes and 0.3V for germanium tubes). Using this feature, as a limiting component in the power circuit, the data can be The signal strength is limited within the range, and the relay Heat Shrinkable Braided Sleeve plays a relay role in the inductor of the power supply circuit and the AC current such as the automobile relay.
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