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DIODE ZENER 18V 500MW SOD123
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FabricanteDiodes Incorporated
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Peça do Fabricante #MMSZ5248B-7-F
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Ficha Técnica MMSZ5248B-7-F DataSheet
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Pacote SOD-123
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Em Estoque10801
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Especificações
| Atributo | Valor |
| Supplier | Diodes Incorporated |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Voltage - Zener(Nom)(Vz) | 18 V |
| Tolerance | ±5% |
| Power - Max | 500 mW |
| Impedance(Max)(Zzt) | 21 Ohms |
| Current - Reverse Leakage @ Vr | 100 nA @ 14 V |
| Voltage - Forward (Vf) (Max) @ If | 900 mV @ 10 mA |
| Operating Temperature | -65°C ~ 150°C |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key specifications include a nominal Zener voltage of 18V, with a power dissipation of 500mW. It offers a tolerance of ±5% on the Zener voltage, making it reliable for precise voltage regulation. The diode also features a low dynamic impedance, which enhances its performance in circuits with variable loads.
This component is widely used in stabilizing and limiting voltage in electronic circuits, providing ESD protection, and performing voltage shifting tasks. Its compact design and efficient functionality make it a popular choice in consumer electronics, telecommunications, and industrial applications. The "7-F" suffix typically indicates a specific packaging or lead-free status, aligning with environmental compliance standards.
Equivalent
1. 1N4746A - A Zener diode with similar voltage and power ratings.
2. BZX55C18 - Offers comparable specifications for voltage.
3. BZX84C18 - Another Zener diode with similar voltage characteristics.
Always verify specifications such as power rating, package type, and manufacturer tolerances when selecting equivalents.
Features
The diode offers a relatively low Zener impedance and delivers stable performance over a range of currents, ensuring reliable voltage regulation. It has a maximum reverse current (I_R) of 0.1µA, indicating low leakage and efficient operation in reverse-bias conditions. The device is RoHS compliant, which means it is free from hazardous substances and is environmentally friendly.
Its compact size, reliable performance, and compliance with modern electronic standards make the MMSZ5248B-7-F suitable for use in power management, voltage stabilization, and reference applications in consumer electronics, telecommunications, and industrial systems.
Pinout
- Pin Count: The MMSZ5248B-7-F has a two-pin configuration, typical for Zener diodes, with an anode and a cathode.
- Function: The primary function of this Zener diode is to provide voltage regulation. It achieves this by allowing current to flow in the reverse direction when a specific breakdown voltage is reached, known as the Zener voltage. This makes it useful for applications such as voltage clamping, voltage regulation, and as a reference voltage source in electronic circuits.
The MMSZ5248B-7-F typically features a Zener voltage of 18V, suitable for a variety of electronic applications that require stable voltage regulation.
Manufacturer
Application
1. Voltage Regulation: Ensures a stable output voltage in power supply circuits.
2. Overvoltage Protection: Safeguards sensitive electronic components from voltage spikes.
3. Reference Voltage: Acts as a precise reference in analog-to-digital converters (ADCs) and digital-to-analog converters (DACs).
4. Clipping Circuits: Limits voltage swings in signal processing applications.
5. Switching Power Supplies: Provides regulation and protection in power management systems.
These applications make the MMSZ5248B-7-F suitable for use in consumer electronics, automotive, industrial, and communications systems.