Overview
The 1SMB5948BT3G is a 3 Watt Plastic Surface Mount Zener Voltage Regulator Diode produced by onsemi. This component is part of the 1SMB59xxBT3G series, which offers a wide range of Zener voltages from 3.3 V to 200 V. The 1SMB5948BT3G is specifically designed to provide a stable Zener voltage of 91 V, making it suitable for various voltage regulation and protection applications.
This diode is AEC-Q101 qualified and PPAP capable, ensuring its reliability and performance in automotive and other demanding environments. It features a flat handling surface for accurate placement and a package design that allows for top side or bottom circuit board mounting.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (VZ) | 91 - 95.55 | V |
| Maximum Zener Impedance (ZZT) | 4.1 | Ω |
| Reverse Current (IZT) | 200 | μA |
| Maximum DC Zener Current (IZM) | 250 | mA |
| Maximum Steady State Power Dissipation @ TL = 75°C | 3.0 | W |
| Thermal Resistance from Junction-to-Lead (RθJL) | 40 | °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 | - |
Key Features
- Zener Voltage Range: 91 V to 95.55 V
- ESD Rating of Class 3 (> 16 kV) per Human Body Model
- Flat Handling Surface for Accurate Placement
- Package Design for Top Side or Bottom Circuit Board Mounting
- AEC-Q101 Qualified and PPAP Capable
- Pb-Free Devices
- Corrosion Resistant and Readily Solderable Leads
- UL 94 V-0 Flammability Rating
Applications
- Voltage Regulation and Stabilization
- Overvoltage Protection
- Automotive Electronics
- Industrial Control Systems
- Consumer Electronics
- Telecommunication Equipment
Q & A
- What is the Zener voltage range of the 1SMB5948BT3G?
The Zener voltage range of the 1SMB5948BT3G is from 91 V to 95.55 V.
- What is the ESD rating of the 1SMB5948BT3G?
The ESD rating of the 1SMB5948BT3G is Class 3 (> 16 kV) per Human Body Model.
- Is the 1SMB5948BT3G AEC-Q101 qualified?
Yes, the 1SMB5948BT3G is AEC-Q101 qualified and PPAP capable.
- What is the maximum steady state power dissipation of the 1SMB5948BT3G at TL = 75°C?
The maximum steady state power dissipation is 3.0 W at TL = 75°C.
- What is the thermal resistance from junction-to-ambient (RθJA) of the 1SMB5948BT3G?
The thermal resistance from junction-to-ambient (RθJA) is 226 °C/W.
- What is the operating and storage temperature range of the 1SMB5948BT3G?
The operating and storage temperature range is -65 to +150 °C.
- Is the 1SMB5948BT3G Pb-free?
Yes, the 1SMB5948BT3G is a Pb-free device.
- What are the typical applications of the 1SMB5948BT3G?
Typical applications include voltage regulation, overvoltage protection, automotive electronics, industrial control systems, consumer electronics, and telecommunication equipment.
- Can the 1SMB5948BT3G be used in life support systems or medical devices?
No, the 1SMB5948BT3G should not be used in life support systems or any FDA Class 3 medical devices without proper authorization and indemnification.
- What is the flammability rating of the 1SMB5948BT3G?
The flammability rating is UL 94 V-0.
