CRZ20(TE85L,Q,M)

Series:	--
Part Status:	Active
Voltage - Zener (Nom) (Vz):	20V
Tolerance:	±10%
Power - Max:	700mW
Impedance (Max) (Zzt):	30 Ohms
Current - Reverse Leakage @ Vr:	10µA @ 14V
Voltage - Forward (Vf) (Max) @ If:	1V @ 200mA
Operating Temperature:	-40°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	SOD-123F
Supplier Device Package:	S-FLAT (1.6x3.5)

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The CRZ20 (TE85L,Q,M) Diode - Zener - Single

The CRZ20 (TE85L,Q,M) is a semiconductor device designed to act as a voltage regulator. It is of the diode-zener variety, meaning it is a single device composed of one PN junction dener layer, typically of gallium arsenide, between two layers of the same material.The main purpose of the CRZ20 is to provide a stable voltage in order to protect semiconductor components from variations in their power supplies. This, in turn, provides protection against over-voltage and over-current conditions in electronic devices, allowing them to remain operational in even the harshest conditions.The working principle of the CRZ20 is based on the semi-conductor PN Junction, or the junction between an area of positive and negative doped semiconductor material. This PN junction behaves as a forward biased diode, allowing current to flow in the forward direction - from anode to cathode - when a potential difference is applied across it.When the voltage across the PN junction exceeds a certain threshold, the diode switches from forward to reverse bias and the reverse current pumps out of it rather than going in. This occurs when a small amount of electron donors are present, forming a depletion region that acts as an insulator.The reverse current pumps out of the PN junction, preventing a further rise in voltage. This is the voltage regulation effect that helps to maintain a stable output voltage.Aside from voltage regulation, the CRZ20 also provides surge protection and temperature compensation. The increase in current can cause a surge that can damage other components, so the diode absorbs the excess energy, dissipating it as heat that is then dissipated by the surrounding environment. The temperature compensation feature allows for the output voltage to remain stable across a wide temperature range.The CRZ20 is frequently used in power supplies, motor drives, digital amplifiers, and other components that require reliable voltage regulation. It is designed with a breakdown voltage of 20V +/- 5%, making it an ideal choice for those applications.Overall, the CRZ20 is a reliable and robust diode-zener suitable for many different applications. Thanks to its low breakdown voltage, temperature compensation, and surge protection features, it provides a stable voltage, ensuring reliable and optimal performance of the components it is connected to.

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