CDLL973A Allicdata Electronics
Allicdata Part #:

CDLL973A-ND

Manufacturer Part#:

CDLL973A

Price: $ 2.07
Product Category:

Discrete Semiconductor Products

Manufacturer: Microsemi Corporation
Short Description: DIODE ZENER 33V 500MW DO213AB
More Detail: Zener Diode 33V 500mW ±10% Surface Mount DO-213AB
DataSheet: CDLL973A datasheetCDLL973A Datasheet/PDF
Quantity: 1000
329 +: $ 1.86015
Stock 1000Can Ship Immediately
$ 2.07
Specifications
Series: --
Packaging: Bulk 
Part Status: Active
Voltage - Zener (Nom) (Vz): 33V
Tolerance: ±10%
Power - Max: 500mW
Impedance (Max) (Zzt): 58 Ohms
Current - Reverse Leakage @ Vr: 500nA @ 25V
Voltage - Forward (Vf) (Max) @ If: 1.1V @ 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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Diodes - Zener - Single

The CDLL973A Zener diode is suitable for use in a wide range of applications, from switching applications to voltage regulation, and is becoming increasingly popular due to its wide operating temperature range, low forward voltage, and small size.

A Zener diode is a type of diode which uses a reverse biased PN junction to produce a predictable breakdown voltage. It differs from an ordinary diode in that when the voltage applied to it exceeds its breakdown voltage, the current flowing through it does not continue to increase with the applied voltage, but instead remains nearly constant. This effect is called Zener breakdown, and can be used to provide a stable voltage reference or voltage regulator.

Features and Benefits

The CDLL973A has many features and benefits, including:

  • Wide operating temperature range (–55°C to 125°C) for use in extreme climates.
  • Low forward voltage (1.1 V max) for efficiency in low-voltage applications.
  • Small size (2 mm x 1.2 mm x 0.6 mm) for use in space limited applications.
  • High surge current (1 A) for reliable operation in short circuit protection applications.
  • High leakage current (500 nA max) for low power drain in standby applications.

Applications

The CDLL973A is suitable for a wide range of applications, including:

  • Switching applications, such as contactors and relays.
  • Voltage regulation, where the diode is used to maintain the voltage at a given level.
  • Lighting and power supply applications, where the diode is used to limit the voltage.
  • Protection applications, where the diode is used to protect sensitive circuits from high voltage or current.

Working Principle

When the applied voltage across the Zener diode is below the diode\'s breakdown voltage, the diode behaves like an ordinary diode, passing no current. However, when the applied voltage exceeds the breakdown voltage, the current flowing through the diode increases exponentially. This is known as Zener breakdown, and is a result of the field across the junction becoming strong enough to cause a breakdown of the junction. This process is slightly more temperature-dependent than an ordinary diode, and may be affected by other parameters such as humidity and pressure. The breakdown voltage of a Zener diode is generally consistent from diode to diode.

The Zener diode will then regulate the voltage across itself, allowing only the current necessary to maintain the voltage to flow. This regulation can be used for voltage reference or voltage regulation applications, such as battery charging or low-voltage protection.

Conclusion

The CDLL973A Zener diode is an ideal solution for voltage regulation and protection applications, thanks to its wide operating temperature range, low forward voltage, high surge current, and small size. Its wide range of applications make it a versatile component for a variety of applications.

The specific data is subject to PDF, and the above content is for reference

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