1N4733A

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1N4733A

+BOM

DIODE ZENER 5.1 V 1W DO-41G

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thuộc tính Giá trị
Package / Case Tape & Reel (TR)
Part Status Active
Voltage - Zener(Nom)(Vz) 5.1 V
Tolerance ±5%
Power - Max 1 W
Impedance(Max)(Zzt) 7 Ohms
Current - Reverse Leakage @ Vr 10 µA @ 1 V
Voltage - Forward (Vf) (Max) @ If 1 V @ 100 mA
Mounting Type Through Hole

Tổng quan

Description

The 1N4733A is a 5.1V, 1W Zener diode designed for voltage regulation and protection in electronic circuits. It operates in the reverse breakdown (Zener) region, maintaining a stable voltage across its terminals when the current exceeds the minimum knee current.
### Key Features:
- Zener Voltage (Vz): 5.1V (typical at 49mA)
- Power Dissipation (Pz): 1W
- Tolerance: ±5%
- Max. Reverse Leakage Current: 5µA (below breakdown)
- Package: DO-41 (axial lead)
### Applications:
- Voltage regulation in power supplies
- Overvoltage protection
- Reference voltage source
### Notes:
- Requires a current-limiting resistor in series.
- Operates effectively within 20mA–178mA (1W limit).
A cost-effective, reliable choice for low-power regulation.

Equivalent

The 1N4733A is a 5.1V, 1W Zener diode. Equivalent products include:
- BZX55C5V1 (5.1V, 500mW)
- 1N5231B (5.1V, 500mW)
- MM3Z5V1 (5.1V, 200mW SMD)
- BZT52C5V1 (5.1V, 200mW SMD)
Check voltage, power rating, and package compatibility when substituting. For exact 1W replacements, consider 1N5333B (5.1V, 5W) if higher power is acceptable.

Features

The 1N4733A is a 5.1V, 1W Zener diode with the following key features:
- Voltage (Vz): 5.1V ±5% (at 49mA test current)
- Power Dissipation (Pz): 1W
- Zener Impedance (Zz): 8Ω max (at 49mA)
- Operating Temperature: -65°C to +200°C
- Package: DO-41 (axial leaded)
- Applications: Voltage regulation, overvoltage protection, and reference voltage circuits
It provides stable voltage clamping and is commonly used in power supplies and electronic circuits requiring precise voltage control.

Manufacturer

The 1N4733A is a 5.1V Zener diode manufactured by Vishay Intertechnology, a global leader in discrete semiconductors and passive electronic components.
Vishay is a well-established, publicly traded company (NYSE: VSH) known for producing high-quality diodes, resistors, capacitors, and optoelectronics. Founded in 1962, it serves industries like automotive, industrial, computing, and consumer electronics.
The 1N4733A is part of Vishay’s 1N47xx series of axial-lead Zener diodes, commonly used for voltage regulation and protection in circuits.

Application

The 1N4733A is a 5.1V, 1W Zener diode commonly used for voltage regulation and protection in various applications. Key areas include:
1. Voltage Regulation – Stabilizing DC voltage in power supplies.
2. Overvoltage Protection – Safeguarding sensitive circuits from voltage spikes.
3. Signal Clipping/Limiting – Shaping waveforms in audio and RF circuits.
4. Reference Voltage – Providing stable voltage references in analog/digital circuits.
5. Consumer Electronics – Used in TVs, radios, and power adapters.
Its reliability and low cost make it popular in hobbyist projects and industrial designs.

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