1N5257B_T50R

Product Category

The 1N5257B_T50R belongs to the category of Zener diodes, which are semiconductor devices designed to allow current to flow in the forward direction like a normal diode, but also in the reverse direction if the voltage is larger than the breakdown voltage known as the "Zener voltage."

Basic Information Overview

• Use: The 1N5257B_T50R Zener diode is primarily used for voltage regulation and protection in electronic circuits.
• Characteristics: It has a sharp breakdown voltage, low dynamic impedance, and high reliability.
• Package: The diode is typically available in a DO-35 package.
• Essence: Its essence lies in its ability to maintain a constant voltage across its terminals when the applied voltage varies.
• Packaging/Quantity: The 1N5257B_T50R is commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

• Voltage Range: 27V
• Power Dissipation: 1.5W
• Zener Voltage Tolerance: ±5%
• Operating Temperature Range: -65°C to +200°C

Detailed Pin Configuration

The 1N5257B_T50R Zener diode typically consists of two pins, with the cathode being shorter than the anode. The pinout configuration is as follows: - Anode (A) - Longer pin - Cathode (K) - Shorter pin

Functional Features

• Voltage Regulation: The diode maintains a nearly constant voltage across its terminals, providing stability in electronic circuits.
• Overvoltage Protection: It protects sensitive components by diverting excess voltage away from them.
• Stability: It offers stable and reliable performance under varying operating conditions.

Advantages and Disadvantages

• Advantages:
  • Precise voltage regulation
  • High reliability
  • Low dynamic impedance
• Disadvantages:
  • Limited power dissipation capability
  • Susceptibility to thermal runaway under certain conditions

Working Principles

The 1N5257B_T50R Zener diode operates based on the principle of the Zener effect, where it allows current to flow in the reverse direction once the voltage across its terminals reaches the Zener voltage. This characteristic makes it suitable for voltage regulation and protection applications.

Detailed Application Field Plans

The 1N5257B_T50R Zener diode finds extensive use in various applications, including: - Voltage regulators in power supplies - Overvoltage protection in electronic circuits - Signal clamping and limiting - Voltage reference circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N5257BT50R Zener diode include: - 1N5221BT50R (4.3V) - 1N5231BT50R (5.6V) - 1N5241BT50R (6.8V) - 1N5261B_T50R (47V)

This comprehensive range of alternative models allows for flexibility in selecting the appropriate Zener diode based on specific voltage regulation requirements.

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