Overview
The 1SMB5931BT3 is a 3 Watt Plastic Surface Mount Zener Voltage Regulator produced by ON Semiconductor (onsemi). This Zener diode is designed for overvoltage protection and surge current handling in electronic circuits. It is particularly suited for industrial applications due to its high surge immunity and ESD protected pins. The device is reflow solderable, making it easy to integrate into various electronic systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Product Status | Obsolete | |
| Voltage - Zener (Nom) (Vz) | 18 V | |
| Tolerance | ±5% | |
| Power - Max | 3 W | |
| Impedance (Max) (Zzt) | 12 Ohms | |
| Current - Reverse Leakage @ Vr | 1 µA @ 13.7 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 |
Key Features
- High Surge Immunity: Offers high surge immunity, ensuring reliable operation in harsh environments.
- ESD Protected Pins: Provides ESD protection for the pins, preventing damage from electrostatic discharges.
- Reflow Solderable Leads: Allows for reflow soldering of the leads, making it easy to integrate into electronic circuits.
Applications
The 1SMB5931BT3 is commonly used in various industrial and automotive applications where overvoltage protection and surge current handling are essential.
- Industrial control systems
- Automotive electronics
- Power supplies
- Telecommunications equipment
Q & A
- What is the nominal Zener voltage of the 1SMB5931BT3?
The nominal Zener voltage of the 1SMB5931BT3 is 18 V.
- What is the maximum power handling of the 1SMB5931BT3?
The maximum power handling of the 1SMB5931BT3 is 3 W.
- What is the tolerance of the Zener voltage for the 1SMB5931BT3?
The tolerance of the Zener voltage for the 1SMB5931BT3 is ±5%.
- What is the maximum reverse leakage current at the specified reverse voltage?
The maximum reverse leakage current at the specified reverse voltage is 1 µA @ 13.7 V.
- What is the forward voltage drop at the maximum forward current?
The forward voltage drop at the maximum forward current is 1.5 V @ 200 mA.
- What is the operating temperature range of the 1SMB5931BT3?
The operating temperature range of the 1SMB5931BT3 is -65°C to 150°C.
- What type of mounting does the 1SMB5931BT3 use?
The 1SMB5931BT3 uses surface mount technology.
- What package type is the 1SMB5931BT3 available in?
The 1SMB5931BT3 is available in the DO-214AA, SMB package.
- Is the 1SMB5931BT3 ESD protected?
Yes, the 1SMB5931BT3 has ESD protected pins.
- Can the 1SMB5931BT3 be reflow soldered?
Yes, the 1SMB5931BT3 has reflow solderable leads.
