Overview
The 1SMB5953BT3 is a 3 Watt plastic surface mount Zener diode produced by onsemi. This component is part of the 1SMB59xxBT3G series, which offers a wide range of Zener voltage options from 3.3 V to 200 V. The 1SMB5953BT3 is specifically designed for applications requiring high power dissipation and stability. It features a robust design with a flat handling surface for accurate placement and is suitable for top side or bottom circuit board mounting.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Zener Voltage | VZ | 142.5 - 150 - 157.5 | V |
| Maximum Zener Impedance @ IZT | ZZT | 114 | Ω |
| Reverse Current @ VR | IR | 0.25 μA | A |
| Maximum DC Zener Current | IZM | 600 mA | A |
| Forward Voltage @ IF | VF | 1.5 V Max. @ IF = 200 mA(dc) | V |
| ESD Rating | - | Class 3 (> 16 kV) per Human Body Model | - |
| Maximum Lead Temperature for Soldering | - | 260°C for 10 Seconds | °C |
| Package | - | SMB (Pb-Free) | - |
Key Features
- Zener Voltage Range: 142.5 V to 157.5 V
- High Power Dissipation: 3 Watts
- 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 Device
- Corrosion Resistant and Readily Solderable Leads
- UL 94 V-0 Flammability Rating
Applications
- Voltage Regulation and Stabilization
- Overvoltage Protection
- Automotive and Industrial Power Supplies
- Consumer Electronics
- Telecommunication Equipment
- Medical Devices
Q & A
- What is the Zener voltage range of the 1SMB5953BT3?
The Zener voltage range of the 1SMB5953BT3 is from 142.5 V to 157.5 V.
- What is the maximum power dissipation of the 1SMB5953BT3?
The maximum power dissipation is 3 Watts.
- What is the ESD rating of the 1SMB5953BT3?
The ESD rating is Class 3 (> 16 kV) per Human Body Model.
- Is the 1SMB5953BT3 Pb-Free?
- What is the maximum lead temperature for soldering?
The maximum lead temperature for soldering is 260°C for 10 seconds.
- What are the common applications of the 1SMB5953BT3?
- Is the 1SMB5953BT3 AEC-Q101 qualified?
- What is the flammability rating of the 1SMB5953BT3?
- Can the 1SMB5953BT3 be mounted on either side of the circuit board?
- What is the forward voltage at IF = 200 mA(dc)?
