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1SMA5943BT3G
+NomenclatureDIODE ZENER 56V 1.5W SMA
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FabricantSemi - conducteurs
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Pièce fabricant #1SMA5943BT3G
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Fiche technique 1SMA5943BT3G DataSheet
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Package DO-214AC
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En stock26687
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Spécifications
| Attribut | Valeur |
| Supplier | onsemi |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Voltage - Zener(Nom)(Vz) | 56 V |
| Tolerance | ±5% |
| Power - Max | 1.5 W |
| Impedance(Max)(Zzt) | 86 Ohms |
| Current - Reverse Leakage @ Vr | 500 nA @ 42.6 V |
| Voltage - Forward (Vf) (Max) @ If | 1.5 V @ 200 mA |
| Operating Temperature | -65°C ~ 150°C |
| Mounting Type | Surface Mount |
Présentation
Description
The diode operates with a Zener voltage of approximately 12V, and it features a power dissipation capability of 3 watts, allowing it to handle moderate amounts of power while providing consistent voltage regulation. It is commonly used as a voltage stabilizer or reference in various circuits, protecting devices from voltage spikes and ensuring stable operation.
The 1SMA5943BT3G is known for its reliability and durability, with the ability to function effectively over a wide range of temperatures and environmental conditions. It is a popular choice in applications such as power supplies, automotive systems, and consumer electronics, where maintaining a stable voltage is essential for performance and safety.
Equivalent
1. Nexperia BZX84-B16: Another Zener diode with similar voltage and power characteristics.
2. Diodes Inc. BZX55C16: Provides similar Zener voltage and power rating.
3. Vishay BZX79-C16: Offers comparable performance in a different package.
4. ON Semiconductor MMSZ5245BT1G: A part from the same manufacturer with similar specs.
Always verify specifications to ensure compatibility.
Features
1. Zener Voltage: It has a nominal Zener voltage of 12V, useful for creating stable reference voltages.
2. Power Dissipation: The diode has a power dissipation rating of 1.5 Watts, making it suitable for medium-power applications.
3. Package Type: It is housed in a DO-214AC (SMA) package, which is a surface-mount design for efficient PCB space utilization.
4. Reverse Voltage: The device is designed for a reverse voltage of up to 12V, ensuring reliable performance in specified conditions.
5. Temperature Range: It operates within a wide temperature range, which enhances its versatility in various environments.
6. Low Leakage: The diode features low reverse leakage current, contributing to efficient energy usage.
7. Regulation: Provides good voltage regulation with varying load currents.
These features make the 1SMA5943BT3G suitable for applications requiring precise voltage regulation and efficient power management in compact electronic devices.
Pinout
Manufacturer
Application
1. Power Supply Circuits: It helps in maintaining a constant output voltage despite variations in input voltage or load conditions.
2. Overvoltage Protection: Safeguards sensitive components by clamping excessive voltages.
3. Signal Clipping: Used in waveform shaping and limiting signal levels.
4. Reference Voltage: Provides a stable reference in precision applications like analog-to-digital converters (ADCs).
5. Telecommunications: Ensures stable voltage levels in communication devices.
These applications leverage the diode's ability to sustain a specified voltage, enhancing circuit reliability and performance.