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Vishay 20 V 1 W General Purpose Surface Mount Zener Diode SMA (DO-214AC) SML4747AHE3_A/H
Specifications
| Country of Origin | India |
|---|---|
| Brand | Vishay |
| Height | 2.29mm |
| Length | 4.5mm |
| Model | SML4747AHE3_A/H |
| Mount Type | Surface |
| Series | SML47xx |
| Maximum Operating Temperature | 150°C |
| Package Type | SMA (DO-214AC) |
| 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 | 14.5mA |
| Maximum Reverse Leakage Current | 5μA |
| Nominal Zener Voltage Vz | 20V |
| Zener Type | General Purpose |
| Maximum Zener Impedance | 22Ω |
Key Features
- Single diode configuration suitable for voltage regulation.
- Nominal Zener voltage of 20 V with ±5% tolerance.
- Maximum power dissipation of 1 watt for effective thermal handling.
- SMA DO-214AC package with 2-pin configuration for surface mounting.
- Low Zener impedance at 22Ω ensures stable operation.
- Maximum reverse leakage current of 5μA provides low leakage losses.
- Wide operating temperature range from -65°C to 150°C.
- Automotive grade compliant with AEC-Q101 standard.
Product Description
Vishay SML4747AHE3_A/H is a surface mount Zener diode designed for voltage regulation applications, providing a nominal Zener voltage of 20 V and power dissipation of 1 watt. Packaged in a compact SMA (DO-214AC) form factor, this diode is optimized for assembly on printed circuit boards using surface mount technology.
The device features a single diode configuration with a 2-pin package and a standard ±5% Zener voltage tolerance. With a low Zener impedance of 22Ω, it offers high regulation precision and low noise.
Its thermal characteristics permit operation over a wide temperature range from -65°C to 150°C, making it suitable for automotive and industrial environments. The diode also exhibits a maximum reverse leakage current of just 5μA, contributing to efficiency in power-sensitive circuits.
This model complies with automotive AEC-Q101 standards and meets IEC 61000-4-2 and IEC 61760-1 approvals. It is RoHS compliant, ensuring environmental and safety standards adherence.
Typical applications include voltage clamping and regulation in power supplies, industrial control systems, and automotive electronic circuits that require reliable, high-performance Zener voltage stabilization.
Single diode configuration suitable for voltage regulation. Nominal Zener voltage of 20 V with ±5% tolerance. Maximum power dissipation of 1 watt for effective thermal handling. SMA DO-214AC package with 2-pin configuration for surface mounting.
Low Zener impedance at 22Ω ensures stable operation. Maximum reverse leakage current of 5μA provides low leakage losses. Wide operating temperature range from -65°C to 150°C. Automotive grade compliant with AEC-Q101 standard.
Certified to IEC 61000-4-2, IEC 61760-1 standards and RoHS compliant. Explore the comprehensive range of Vishay semiconductor products on EnvMart for advanced electronic design solutions.
Explore more products in our Zener Diodes category.
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Frequently Asked Questions
The nominal Zener voltage of this diode is 20 V with a tolerance of ±5%.
This model has a maximum power dissipation of 1 watt, allowing for effective thermal handling.
It is packaged in an SMA (DO-214AC) form factor, suitable for surface mounting.
The maximum reverse leakage current for this Zener diode is 5μA, which helps in minimizing leakage losses.
This diode features a low Zener impedance of 22Ω, ensuring stable operation.
The operating temperature range for this model is from -65°C to 150°C.
This diode has a 2-pin configuration, which is standard for surface mount devices.
It complies with the AEC-Q101 automotive standard, ensuring suitability for automotive applications.
Typical applications include voltage clamping and regulation in power supplies, industrial control systems, and automotive electronic circuits.
The diode has a height of 2.29mm and a length of 4.5mm.
Yes, this model is RoHS compliant, adhering to environmental and safety standards.
This diode belongs to the SML47xx series of Zener diodes.
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