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1SMB5939BT3G
+NomenclatureDIODE ZENER 39V 3W SMB
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FabricantSemi - conducteurs
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Pièce fabricant #1SMB5939BT3G
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Fiche technique 1SMB5939BT3G DataSheet
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Spécifications
| Attribut | Valeur |
| Part Status | Active |
| Voltage - Zener (Nom) (Vz) | 39 V |
| Tolerance | ±5% |
| Power - Max | 3 W |
| Impedance (Max) (Zzt) | 45 Ohms |
| Current - Reverse Leakage @ Vr | 1 µA @ 29.7 V |
| Voltage - Forward (Vf) (Max) @ If | 1.5 V @ 200 mA |
| Operating Temperature | -65°C ~ 150°C |
| Mounting Type | Surface Mount |
| Package / Case | DO-214AA, SMB |
| Supplier Device Package | SMB |
| Base Product Number | 1SMB5939 |
Présentation
Description
This diode features a low clamping voltage and fast response time, ensuring that it effectively limits voltage transients to safe levels. The 1SMB5939BT3G is housed in a surface-mount package, which provides ease of integration into compact electronic designs.
With its high power handling capability, it can absorb significant energy from transient events, safeguarding connected components like microcontrollers, processors, and other sensitive devices.
Additionally, it complies with RoHS standards, ensuring environmental safety. The 1SMB5939BT3G is an ideal choice for engineers looking to enhance the robustness of their designs against electrical overstress.
Equivalent
Features
1. Peak Power Dissipation: It can handle peak power of up to 400W for a 10/1000µs waveform.
2. Reverse Standoff Voltage: It has a reverse standoff voltage (V_R) of 39V, making it suitable for protecting circuits operating around this voltage level.
3. Clamping Voltage: The device clamps voltage to a maximum of 60V when subjected to a transient surge, ensuring sensitive components are safeguarded.
4. Low Leakage Current: It exhibits a low leakage current of about 5 µA at V_R, minimizing power loss during normal operation.
5. Package Type: Available in a DO-214AB (SMB) package, making it suitable for surface mount applications.
6. RoHS Compliant: The component is compliant with international standards for environmental safety.
These features make the 1SMB5939BT3G ideal for protecting sensitive electronic components in various applications.
Pinout
Function: This component is designed for voltage regulation and protection applications. Specifically, it provides a stable Zener voltage of 39V, allowing it to clamp voltage spikes and protect sensitive electronic circuits from overvoltage conditions. It can be used in various applications, such as voltage reference and transient voltage suppression.
Key specifications include a power dissipation of 1W and a reverse breakdown voltage tolerance, making it suitable for applications requiring overvoltage protection in automotive and industrial environments.