Overview
The BZW50-22B is a Transient Voltage Suppressor (TVS) diode from STMicroelectronics, designed to protect sensitive electronic equipment against electrostatic discharges and electrical overstress. This component utilizes planar technology, making it compatible with high-end equipment and Switch-Mode Power Supplies (SMPS) where low leakage current and high junction temperature are crucial for reliability and stability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Power Dissipation (10/1000 µs) | 5000 | W |
| Peak Pulse Power Dissipation (8/20 µs) | Up to 60 kW | W |
| Stand-off Voltage | 22 V | V |
| Breakdown Voltage (VBR) at IBR (1 mA) | 24.4 V | V |
| Clamping Voltage (VCL) at IPP (10/1000 µs) | 39.4 V | V |
| Peak Pulse Current (IPP) (10/1000 µs) | 127 A | A |
| Leakage Current (IRM) at VRM | 5 µA | µA |
| Operating Junction Temperature Range | -55 to +175 °C | °C |
| Maximum Lead Temperature for Soldering | 260 °C | °C |
| Lead Finishing | Matt tin plating |
Key Features
- High power capability: Up to 5000 W (10/1000 µs) and up to 60 kW (8/20 µs)
- Unidirectional and bidirectional types available
- Operating junction temperature up to 175 °C
- Low leakage current and high junction temperature for reliability and stability
- Compliance with various standards: IEC 61000-4-2, MIL STD 883 Method 3015, UL94 V0, J-STD-020 MSL level 1, etc.
- ECOPACK packages for environmental compliance
Applications
The BZW50-22B TVS diode is suitable for protecting sensitive electronic equipment in various applications, including:
- Switch-Mode Power Supplies (SMPS)
- High-end electronic equipment
- Voltage-sensitive devices such as MOSFETs and ICs
- Systems requiring protection against electrostatic discharges and electrical overstress
Q & A
- What is the primary function of the BZW50-22B TVS diode?
The primary function is to protect sensitive electronic equipment against electrostatic discharges and electrical overstress.
- What is the peak pulse power dissipation of the BZW50-22B?
Up to 5000 W (10/1000 µs) and up to 60 kW (8/20 µs).
- What is the operating junction temperature range of the BZW50-22B?
-55 to +175 °C.
- Is the BZW50-22B available in both unidirectional and bidirectional types?
- What standards does the BZW50-22B comply with?
IEC 61000-4-2, MIL STD 883 Method 3015, UL94 V0, J-STD-020 MSL level 1, among others.
- What is the maximum lead temperature for soldering?
260 °C.
- What type of lead finishing does the BZW50-22B have?
Matt tin plating.
- What are some common applications for the BZW50-22B?
SMPS, high-end electronic equipment, and voltage-sensitive devices like MOSFETs and ICs.
- Does the BZW50-22B come in environmentally compliant packages?
- What is the storage temperature range for the BZW50-22B?
-65 to +175 °C.
