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color ring voltage regulator diodes

The color ring voltage regulator diodes are rare, with the majority coming from abroad, especially from Japan. Generally, the color ring voltage regulator diode is labeled with the model and parameters, and detailed information can be found in the component manual. The color ring voltage regulator diode has a small volume, low power, and a voltage stabilization value mostly within 10V, making it highly susceptible to breakdown and damage. The appearance of the color ring voltage regulator diode is very similar to the color ring resistance, so it is easy to get it wrong. The color ring on the color ring zener diode represents two meanings: one represents a number, and the other represents the number of Decimal separator (usually, the color ring zener diode is represented by one decimal place, which is brown. It can also be understood as magnification, that is: × 10 (to the 1st power), the specific color corresponds to the number of the same color ring resistor.

Due to the small size of low-power regulator diodes, it is difficult to label the model on the tube, so some foreign products use color rings to represent their nominal stable voltage value. Like color ring resistors, the colors of the ring are brown, red, orange, yellow, green, blue, purple, gray, white, and black, which are used to represent the values 1, 2, 3, 4, 5, 6, 7, 8, 9, and 0, respectively.

Some voltage regulator diodes only have 2 color rings, while others have 3. The first ring is closest to the negative electrode, followed by the second and third rings.

voltage regulator diodes, The effect of forward and reverse series connection is that if two voltage stabilizing diodes are connected in reverse series, when the voltage in the forward and reverse directions reaches the regulated value, the voltage is clamped (i.e. cannot rise again).

1. Often in high-power amplification circuits, the gate G and source S of the power transistor emit a voltage stabilizing diode, which protects the G-S by limiting the voltage and preventing the insulation layer between the G-S from being broken down by excessive voltage, voltage regulator diodes.

2. After two diodes are connected in reverse series, they can provide overvoltage protection for the circuit in parallel. When the circuit is overvoltage, the diodes first break through and short circuit;