1N3000B

Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	62V
Tolerance:	±5%
Power - Max:	10W
Impedance (Max) (Zzt):	17 Ohms
Current - Reverse Leakage @ Vr:	10µA @ 47.1V
Voltage - Forward (Vf) (Max) @ If:	1.5V @ 2A
Operating Temperature:	-65°C ~ 175°C
Mounting Type:	Chassis, Stud Mount
Package / Case:	DO-203AA, DO-4, Stud
Supplier Device Package:	DO-213AA
Base Part Number:	1N3000

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1N3000B is a type of Zener diode. It is a single diode that allows current to flow in one direction only and not in the opposite direction. As its name suggests, it works like a light switch, allowing current flow in one direction and blocking it in the other direction. This allows it to function as a voltage regulator, generating a stabile output when exposed to changes in input voltage.The 1N3000B diode is typically used in power supplies, audio amplifiers, voltage regulators and noise suppression circuits. It provides protection from voltage transients and transient voltage spikes, reducing the possibility of damaging or overloading circuits. In circuits where only one polarity of the input voltage is active, this diode can prevent voltage from flowing in the wrong direction, potentially damaging other components in the circuit. The 1N3000B Zener diode works by limiting the amount of voltage going in the opposite direction. It uses the principle of "reverse breakdown voltage," in which a diode\'s properties change when the voltage across it reaches a certain value, allowing current to pass from the anode to the cathode instead of simply blocking it. This threshold is known as the "zener voltage," and it can be controlled in manufacturing to a high level of precision. The larger the zener voltage, the higher the current necessary to create the breakdown.The 1N3000B Zener diode is made up of two regions – a lightly doped P-type semiconductor sandwiched between two N-type semiconductors. Positive voltage applied to the anode, or the P-type region, creates a band-to-band PN junction. The depletion zone, made up of two regions where no current can flow, is created at the PN junction. The depleted zone acts like a insulating barrier and blocks current until a certain voltage is reached. Once the voltage across the junction reaches a specific value, the diode enters a state of reverse breakdown and current is allowed to flow from the anode to the cathode.The reverse breakdown voltage of the 1N3000B is typically 3V, and the maximum power it can handle is 400mW. In addition, the maximum forward current that can flow through the diode safely is approximately 1.4A. Due to its small size and relatively high power rating, it can be used in a wide range of applications, from power supplies to audio amplifiers.In summary, the 1N3000B Zener diode is a single diode that is used in a variety of applications as a voltage regulator, providing protection from voltage transients, surges, and spikes. It works by limiting the amount of current flowing in the opposite direction by leveraging the principle of "reverse breakdown voltage." It typically has a 3V reverse breakdown voltage and can handle up to 400mW of power. It is versatile, small, and relatively inexpensive and can be used in a wide variety of applications.

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