Overview
The 1SMB5931BT3G is a 3 Watt plastic surface mount Zener voltage regulator diode produced by onsemi. This component is part of the 1SMB59xxBT3G series, designed to provide reliable voltage regulation in a variety of applications. It features a Zener voltage range of 17.1 to 18.9 volts, making it suitable for use in circuits requiring stable voltage reference points.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (VZ) | 17.1 - 18.9 | V |
| Maximum Steady State Power Dissipation @ TL = 75°C | 3.0 | W |
| Maximum Steady State Power Dissipation @ TA = 25°C | 550 | mW |
| Thermal Resistance from Junction-to-Lead (RθJL) | 25 | °C/W |
| Thermal Resistance from Junction-to-Ambient (RθJA) | 226 | °C/W |
| Operating and Storage Temperature Range | -65 to +150 | °C |
| ESD Rating | Class 3 (> 16 kV) per Human Body Model | |
| Package Type | DO-214AA (SMB) | |
| Polarity | Cathode indicated by polarity band | |
| Flammability Rating | UL 94 V-0 |
Key Features
- Zener Voltage Range: 17.1 to 18.9 volts, providing a stable voltage reference.
- High Power Dissipation: Up to 3 watts, suitable for applications requiring robust voltage regulation.
- ESD Protection: ESD rating of Class 3 (> 16 kV) per Human Body Model, ensuring protection against electrostatic discharge.
- Flat Handling Surface: Accurate placement and handling due to the flat surface design.
- AEC-Q101 Qualified and PPAP Capable: Suitable for automotive and other applications requiring unique site and control change requirements.
- Pb-Free: Compliant with lead-free regulations, making it environmentally friendly.
Applications
- Voltage Regulation: Ideal for providing stable voltage references in power supplies, voltage regulators, and other electronic circuits.
- Overvoltage Protection: Can be used to protect circuits from voltage spikes and overvoltages.
- Automotive Systems: AEC-Q101 qualified, making it suitable for use in automotive electronics.
- General Purpose Electronics: Applicable in various general-purpose electronic devices requiring reliable voltage regulation.
Q & A
- What is the Zener voltage range of the 1SMB5931BT3G?
The Zener voltage range is from 17.1 to 18.9 volts.
- What is the maximum power dissipation of the 1SMB5931BT3G at 75°C?
The maximum power dissipation is 3.0 watts at 75°C.
- What is the thermal resistance from junction-to-ambient for the 1SMB5931BT3G?
The thermal resistance from junction-to-ambient is 226 °C/W.
- Is the 1SMB5931BT3G ESD protected?
Yes, it has an ESD rating of Class 3 (> 16 kV) per Human Body Model.
- What package type does the 1SMB5931BT3G come in?
The package type is DO-214AA (SMB).
- Is the 1SMB5931BT3G lead-free?
Yes, it is a Pb-Free device.
- What is the operating temperature range for the 1SMB5931BT3G?
The operating and storage temperature range is -65 to +150 °C.
- Can the 1SMB5931BT3G be used in automotive applications?
Yes, it is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and similar applications.
- What is the flammability rating of the 1SMB5931BT3G?
The flammability rating is UL 94 V-0.
- How is the polarity indicated on the 1SMB5931BT3G?
The polarity is indicated by a polarity band on the cathode side.
