Overview
The BZW50-39BRL is a Transient Voltage Suppressor (TVS) diode from STMicroelectronics, designed to protect sensitive electronic equipment from electrostatic discharges and electrical overstress. This component is part of the BZW50 TVS series, which offers high power capability and fast response times to transient overvoltages. The BZW50-39BRL is specifically a bidirectional TVS diode, making it suitable for applications requiring protection against both positive and negative voltage surges.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Power Dissipation (10/1000 μs) | 5000 | W |
| Power Dissipation on Infinite Heatsink | 6.5 | W |
| Non-Repetitive Surge Peak Forward Current (Unidirectional) | 500 | A |
| Storage Temperature Range | -65 to +175 | °C |
| Operating Junction Temperature Range | -55 to +175 | °C |
| Maximum Lead Temperature for Soldering | 260 | °C |
| Stand-off Voltage (VRM) | 39 | V |
| Breakdown Voltage (VBR) | 43.3 | V |
| Clamping Voltage (VCL) at 10/1000 μs | 69.4 | V |
| Peak Pulse Current (IPP) at 10/1000 μs | 72 | A |
| Dynamic Resistance (RD) | 0.063 | Ω |
| Leakage Current @ VRM | 5 | µA |
Key Features
- High Power Capability: Up to 5000 W peak pulse power dissipation (10/1000 μs) and up to 60 kW (8/20 μs).
- Fast Response Time: Instantaneous response to transient overvoltages, making it suitable for protecting voltage-sensitive devices such as MOS technology and low-voltage ICs.
- Low Clamping Factor: Efficient clamping action to protect against overvoltages.
- Unidirectional and Bidirectional Options: Available in both unidirectional and bidirectional configurations to suit various application needs.
- High Junction Temperature: Operating junction temperature up to 175°C, ensuring reliability and stability over time.
- Compliance with Standards: Complies with UL94 V0, J-STD-020 MSL level 1, J-STD-002, JESD 22-B102 E3, MIL-STD-750 method 2026, and IEC 61000-4-2 and IEC 61000-4-4 standards.
Applications
- Protection of Voltage-Sensitive Devices: Ideal for protecting MOS technology, low-voltage ICs, and other sensitive electronic components from transient overvoltages.
- Switch-Mode Power Supplies (SMPS): Suitable for use in high-end SMPS where low leakage current and high junction temperature are required.
- Electrostatic Discharge (ESD) Protection: Effective in protecting against ESD according to IEC 61000-4-2 and MIL STD 883 Method 3015.
- General Electronic Equipment: Can be used in various electronic systems requiring protection against electrical overstress and surges.
Q & A
- What is the peak pulse power dissipation of the BZW50-39BRL?
The peak pulse power dissipation is 5000 W (10/1000 μs).
- What are the stand-off and breakdown voltages for the BZW50-39BRL?
The stand-off voltage (VRM) is 39 V, and the breakdown voltage (VBR) is 43.3 V.
- What is the clamping voltage of the BZW50-39BRL at 10/1000 μs?
The clamping voltage (VCL) at 10/1000 μs is 69.4 V.
- What is the maximum operating junction temperature of the BZW50-39BRL?
The maximum operating junction temperature is 175°C.
- Is the BZW50-39BRL compliant with any industry standards?
Yes, it complies with several standards including UL94 V0, J-STD-020 MSL level 1, and IEC 61000-4-2 and IEC 61000-4-4.
- What types of devices can the BZW50-39BRL protect?
The BZW50-39BRL can protect voltage-sensitive devices such as MOS technology and low-voltage ICs.
- What is the dynamic resistance of the BZW50-39BRL?
The dynamic resistance (RD) is 0.063 Ω.
- What is the leakage current at VRM for the BZW50-39BRL?
The leakage current at VRM is 5 µA.
- Can the BZW50-39BRL be used in switch-mode power supplies?
Yes, it is suitable for use in high-end SMPS where low leakage current and high junction temperature are required.
- What is the storage temperature range for the BZW50-39BRL?
The storage temperature range is -65 to +175°C.
