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Vishay 9.1 V General Purpose Zener Diode Single 1 W Power Surface Mount DO-214AC SML4739-E3/61
Specifications
| Country of Origin | India |
|---|---|
| Brand | Vishay |
| Height | 2.29mm |
| Length | 4.5mm |
| Model | SML4739-E3/61 |
| Mount Type | Surface |
| Maximum Operating Temperature | 150°C |
| Package Type | DO-214AC |
| Minimum Operating Temperature | -65°C |
| Standards/Approvals | RoHS |
| Pin Count | 2 |
| Number of Elements per Chip | 1 |
| Automotive Standard | AEC-Q101 |
| Maximum Power Dissipation Pd | 1W |
| Diode Configuration | Single |
| Test Current It | 28mA |
| Maximum Reverse Leakage Current | 10μA |
| Nominal Zener Voltage Vz | 9.1V |
| Zener Type | General Purpose |
| Maximum Zener Impedance | 5Ω |
| Vishay, 9.1V Zener Diode ±10% 1 W SMT 2-Pin SMABrand | Vishay |
Key Features
- Designed for surface mounting with a compact DO-214AC package.
- Nominal Zener voltage of 9.1 volts with a tolerance of ±10%.
- Capable of dissipating a maximum power of 1 watt continuously.
- Features low maximum reverse leakage current of 10 microamperes for efficient operation.
- Operates reliably within a temperature range of -65°C to 150°C.
- Automotive qualified to AEC-Q101 standard for high reliability applications.
- Includes 2 pins and a test current of 28 milliamperes for standardized testing.
- General purpose Zener type suitable for voltage regulation and protection circuits.
Product Description
Vishay SML4739-E3/61 is a single Zener diode designed for surface mount technology with a DO-214AC package. It provides a nominal Zener voltage of 9.1 volts and can dissipate up to 1 watt of power, suitable for high-performance voltage regulation and protection applications in electronic circuits.
This general purpose Zener diode offers a tolerance of ±10% on voltage and features a maximum reverse leakage current of 10 microamperes, ensuring reduced current loss during steady state operation. Its low maximum Zener impedance of 5 ohms facilitates stable voltage regulation with minimal noise.
The diode is qualified for automotive applications conforming to the AEC-Q101 standard, making it suitable for demanding environments requiring reliability and stability. It operates effectively within a temperature range from -65°C to 150°C, accommodating a broad spectrum of industrial and commercial uses.
The compact dimensions of 4.5 mm length and 2.29 mm height make it ideal for PCB designs where space saving is critical. The 2-pin configuration supports surface mounting techniques for efficient assembly.
Compact DO-214AC surface mount package enhances PCB design flexibility. Nominal Zener voltage 9.1 V with ±10% tolerance ensures precise voltage control. 1 W maximum power dissipation suitable for moderate power applications.
Low leakage current and impedance improve circuit efficiency. Wide operating temperature range for industrial and automotive uses. AEC-Q101 automotive qualification supports quality and reliability demands. Small footprint supports high-density electronic assemblies.
The Vishay SML4739-E3/61 Zener diode is widely used in industrial electronics, power supply protection, automotive electronics, telecommunications equipment, and other semiconductor applications requiring stable voltage reference and reverse voltage protection. Its robust ratings and automotive qualification make it a preferred choice for engineers designing reliable electronic systems.
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Frequently Asked Questions
The nominal Zener voltage of this diode is 9.1 volts with a tolerance of ±10%.
This model can dissipate a maximum power of 1 watt continuously.
The maximum reverse leakage current is 10 microamperes.
It operates reliably within a temperature range of -65°C to 150°C.
The diode comes in a compact DO-214AC surface mount package.
This unit has a 2-pin configuration for surface mounting.
It is qualified to the AEC-Q101 automotive standard for high reliability applications.
The maximum Zener impedance is 5 ohms, which helps facilitate stable voltage regulation.
The test current for this Zener diode is 28 milliamperes.
This general purpose Zener diode is suitable for voltage regulation and protection circuits in various electronic applications.
The diode has a height of 2.29 mm and a length of 4.5 mm, making it suitable for space-constrained PCB designs.
This model is RoHS compliant, indicating it meets environmental standards for hazardous substances.
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