| Allicdata Part #: | CDLL4737A-ND |
| Manufacturer Part#: |
CDLL4737A |
| Price: | $ 2.50 |
| Product Category: | Discrete Semiconductor Products |
| Manufacturer: | Microsemi Corporation |
| Short Description: | DIODE ZENER 7.5V DO213AB |
| More Detail: | Zener Diode 7.5V ±5% Surface Mount DO-213AB |
| DataSheet: |  CDLL4737A Datasheet/PDF |
| Quantity: | 1000 |
| 272 +: | $ 2.25174 |
Specifications
| Series: | -- |
| Packaging: | Bulk |
| Part Status: | Active |
| Voltage - Zener (Nom) (Vz): | 7.5V |
| Tolerance: | ±5% |
| Impedance (Max) (Zzt): | 4 Ohms |
| Current - Reverse Leakage @ Vr: | 3µA @ 5V |
| Voltage - Forward (Vf) (Max) @ If: | 1.2V @ 200mA |
| Operating Temperature: | -65°C ~ 175°C |
| Mounting Type: | Surface Mount |
| Package / Case: | DO-213AB, MELF |
| Supplier Device Package: | DO-213AB |
Description
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The CDLL4737A is a single Zener diode that is widely used in various applications. The diode is a semiconductor device with a wide range of uses, ranging from protection against overvoltage and current spikes, to regulating the output of power supplies. As a Zener diode, the CDLL4737A is designed for applications that require precision voltage regulation, such as in voltage regulators and voltage references. This article will provide an overview of the application fields and working principles of the CDLL4737A.
Application Fields
The CDLL4737A is a widely used diode in various applications. Its ability to regulate voltage with a high degree of accuracy and reliability makes it ideal for use in a wide range of circuits and systems. Some of the applications where it is commonly used include:- Voltage Regulators The CDLL4737A is a popular choice for applications where absolute voltage regulation is required. The diode is designed to precisely regulate the output voltage of the circuit, ensuring that the load receives the correct voltage despite fluctuations in the input voltage or load current.
- Power Supplies The CDLL4737A is also used in power supplies for various reasons, such as protection against overvoltage and current spikes, as well as for voltage regulation. The diode is able to provide stable output voltages, even when subjected to varying input voltages and load currents.
- Voltage References The CDLL4737A is also used in a variety of circuits as a reference voltage source. The diode is able to maintain a precise output voltage despite fluctuations in the supply voltage. This makes it an ideal choice for applications that require accurate voltage reference, such as in digital-to-analog converters.
- Overvoltage Protection In some applications, such as in automotive electronics, the CDLL4737A is used to provide protection against excessive voltage. The diode has a low breakdown voltage, meaning that it can be used to protect sensitive components from damage due to transient voltage spikes.
- Isolation The CDLL4737A is also used in circuits that require electrical isolation. The diode is able to maintain an electrical barrier between two circuits, allowing direct current signals to pass, while blocking high frequency signals. This prevents interference between the two circuits, which is ideal for applications such as EMI/RFI suppression.
Working Principle
The CDLL4737A is a Zener diode, so it operates on the same principle as other Zener diodes. The diode is composed of a single semiconductor component, which contains two regions of opposite doping. When a reverse bias voltage is applied across the diode, it allows electrons to flow from the n-type region to the p-type region, resulting in an inversion layer. In the reverse breakdown region, the diode exhibits a sudden increase in conductivity. This enables it to regulate the voltage across its terminals with a high degree of precision. The breakdown voltage of the CDLL4737A is 11.2V, meaning that it will begin to regulate the voltage at any voltage higher than 11.2V. The diode is able to maintain a precise output voltage despite changes in the input voltage or load current. The CDLL4737A is able to provide a high degree of protection against overvoltage and current spikes. When the input voltage exceeds the breakdown voltage, the diode begins to conduct, allowing a higher current to flow. This causes the diode to dissipate the excess energy, and prevents it from reaching downstream components.Conclusion
The CDLL4737A is a single Zener diode with a wide range of applications. It is designed for use in voltage regulation, power supplies, voltage references, overvoltage protection, and isolation applications. The diode is able to provide precise voltage regulation, protection against overvoltage, and electrical isolation.The specific data is subject to PDF, and the above content is for reference
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