Overview
The SZ1SMB5918BT3G is a single Zener diode designed and optimized for automotive applications. It is manufactured by onsemi and is part of the 1SMB5918B series. This diode is specifically engineered to provide excellent performance in voltage regulation, waveform clipping, and MOSFET gate protection. It features a nominal Zener voltage of 5.1V with a tolerance of ±5% and a maximum power dissipation of 3W. The device is AEC-Q101 qualified and PPAP capable, ensuring its reliability in harsh automotive environments.
Key Specifications
| Parameter | Value |
|---|---|
| Product Status | Active |
| Voltage - Zener (Nom) (Vz) | 5.1 V |
| Tolerance | ±5% |
| Power - Max | 3 W |
| Impedance (Max) (Zzt) | 4 Ohms |
| Current - Reverse Leakage @ Vr | 5 µA @ 2 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 | SZ1SMB5918 |
Key Features
- Zener Voltage Range: The SZ1SMB5918BT3G offers a nominal Zener voltage of 5.1V with a tolerance of ±5%.
- ESD Rating: Class 3 (>16 kV) per Human Body Model, ensuring reliable operation in harsh environments.
- Flat Handling Surface: Facilitates accurate placement and handling during manufacturing processes.
- Package Design: Allows for top side or bottom circuit board mounting, offering flexibility in PCB design and layout.
- AEC-Q101 Qualified and PPAP Capable: Ensures reliable operation in automotive environments and supports the production part approval process (PPAP).
Applications
- Voltage Regulation: Provides stable voltage levels for various electrical systems.
- Waveform Clipping: Prevents excessive voltage spikes and surges from affecting system performance.
- MOSFET Gate Protection: Safeguards sensitive MOSFET components from unexpected voltage transients.
Q & A
- What is the nominal Zener voltage of the SZ1SMB5918BT3G?
The nominal Zener voltage of the SZ1SMB5918BT3G is 5.1V with a tolerance of ±5%.
- What is the maximum power dissipation of the SZ1SMB5918BT3G?
The maximum power dissipation of the SZ1SMB5918BT3G is 3W.
- What is the operating temperature range of the SZ1SMB5918BT3G?
The operating temperature range of the SZ1SMB5918BT3G is -65°C to 150°C.
- Is the SZ1SMB5918BT3G AEC-Q101 qualified?
Yes, the SZ1SMB5918BT3G is AEC-Q101 qualified and PPAP capable.
- What is the ESD rating of the SZ1SMB5918BT3G?
The ESD rating of the SZ1SMB5918BT3G is Class 3 (>16 kV) per Human Body Model.
- What are the typical applications of the SZ1SMB5918BT3G?
The SZ1SMB5918BT3G is typically used for voltage regulation, waveform clipping, and MOSFET gate protection.
- What is the package type of the SZ1SMB5918BT3G?
The SZ1SMB5918BT3G comes in a DO-214AA, SMB package.
- How does the SZ1SMB5918BT3G ensure accurate placement during manufacturing?
The SZ1SMB5918BT3G features a flat handling surface for accurate placement and handling during manufacturing processes.
- Is the SZ1SMB5918BT3G RoHS compliant?
Yes, the SZ1SMB5918BT3G is RoHS compliant.
- What is the maximum forward voltage of the SZ1SMB5918BT3G?
The maximum forward voltage of the SZ1SMB5918BT3G is 1.5V at 200mA.
