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Vishay 20 V General Purpose Zener Diode Single 1 W Surface Mount SMA 2-Pin SML4747-E3/61
Specifications
| Country of Origin | India |
|---|---|
| Brand | Vishay |
| Height | 2.29mm |
| Length | 4.5mm |
| Model | SML4747-E3/61 |
| Mount Type | Surface |
| Maximum Operating Temperature | 150°C |
| Package Type | SMA |
| Minimum Operating Temperature | -65°C |
| Pin Count | 2 |
| Number of Elements per Chip | 1 |
| Automotive Standard | AEC-Q101 |
| Maximum Power Dissipation Pd | 1W |
| Diode Configuration | Single |
| Test Current It | 12.5mA |
| Maximum Reverse Leakage Current | 5μA |
| Nominal Zener Voltage Vz | 20V |
| Zener Type | General Purpose |
| Maximum Zener Impedance | 22Ω |
| Vishay, 20V Zener Diode ±10% 1 W SMT 2-Pin SMABrand | Vishay |
Key Features
- Nominal Zener voltage is 20 volts with a tolerance of ±10%.
- Designed as a general purpose Zener diode for voltage regulation.
- Mount type is surface mount suitable for automated PCB assembly.
- Maximum power dissipation of 1 watt ensuring reliable operation under standard conditions.
- Has a maximum operating temperature of 150°C and minimum of -65°C.
- Complies with automotive standard AEC-Q101 for quality and reliability.
- Compact package dimensions with height 2.29 mm and length 4.5 mm.
- Test current specified at 12.5 mA with a maximum Zener impedance of 22 ohms.
Product Description
Vishay SML4747-E3/61 is a general purpose Zener diode designed for voltage regulation at a nominal Zener voltage of 20 V. The single diode element is housed in a compact 2-pin SMA surface mount package, capable of dissipating power up to 1 watt.
Suitable for electronics manufacturing and automotive applications, this diode complies with the automotive AEC-Q101 standard ensuring enhanced reliability and quality. The device supports a wide operating temperature range from -65°C to 150°C, making it ideal for use in demanding industrial and automotive electronic circuits.
The diode exhibits a maximum reverse leakage current of 5 microamperes and a maximum Zener impedance of 22 ohms at the specified test current of 12.5 mA, highlighting its stable voltage regulation performance. Its compact dimensions (height 2.29 mm, length 4.5 mm) facilitate efficient space utilization on PCBs and ease of integration in dense circuit assemblies.
This Vishay Zener diode is broadly used in power supply circuits, voltage reference designs, and electronic protection systems across industrial, automotive, and commercial electronics sectors. It provides precise voltage regulation for circuit stability and protection from voltage transients.
Nominal Zener Voltage: 20 V with ±10% tolerance ensures precise voltage control. Single element Zener diode for general purpose voltage regulation. Surface mount SMA package supports automated installation. Reliable power dissipation of 1 W for steady-state operation.
Wide operating temperature range from -65°C to 150°C for harsh environments. Compliant with automotive standard AEC-Q101 for quality assurance. Compact dimensions allow space-efficient PCB design. Low reverse leakage current minimizes unwanted power dissipation.
Explore additional Vishay semiconductor components and discrete semiconductors at EnvMart for industrial and electronic manufacturing requirements.
Explore more products in our Zener Diodes category.
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Frequently Asked Questions
The nominal Zener voltage is 20 volts with a tolerance of ±10%.
It has a maximum power dissipation of 1 watt, ensuring reliable operation under standard conditions.
This model has compact dimensions with a height of 2.29 mm and a length of 4.5 mm.
The diode operates within a temperature range from -65°C to 150°C.
The maximum Zener impedance is 22 ohms at the specified test current of 12.5 mA.
It has a maximum reverse leakage current of 5 microamperes.
The diode is housed in a surface mount SMA package, suitable for automated PCB assembly.
Yes, it complies with the automotive standard AEC-Q101 for quality and reliability.
This model features a single element configuration.
It is broadly used in power supply circuits, voltage reference designs, and electronic protection systems in industrial and automotive electronics.
The mount type is surface mount, making it suitable for automated installation.
The test current specified for this model is 12.5 mA.
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