Overview
The SMBJ30A-TR is a Transient Voltage Suppressor (TVS) diode manufactured by STMicroelectronics. It is designed to protect sensitive equipment against electrostatic discharges (ESD) and electrical overstress. This device complies with international standards such as IEC 61000-4-2 and MIL STD 883, method 3015, ensuring robust protection against transient overvoltages. The SMBJ30A-TR is particularly suited for high-end equipment and Switch-Mode Power Supplies (SMPS) due to its low leakage current and high junction temperature capabilities, providing reliability and stability over time.
Key Specifications
| Parameter | Value |
|---|---|
| Peak Pulse Power | 600 W (10/1000 μs), 4 kW (8/20 μs) |
| Stand-off Voltage | 30 V |
| Directionality | Uni-Directional |
| Leakage Current | 0.2 μA at 25 °C, 1 μA at 85 °C |
| Operating Junction Temperature | -55 °C to 150 °C |
| Clamp Voltage | 48.4 V |
| Peak Pulse Current | 13 A |
| Package | SMB |
| Lead Finishing | Matte Tin Plating |
Key Features
- High power capability: Up to 515 W (10/1000 μs) at Tjmax.
- Low leakage current: Ensures minimal current draw in standby conditions.
- High junction temperature: Operates reliably up to 150 °C.
- Compliance with IEC 61000-4-2 and MIL STD 883, method 3015: Robust protection against ESD and electrical overstress.
- Planar technology: Suitable for high-end equipment and SMPS.
- Uni-directional and bidirectional types available in the SMBJ series.
Applications
The SMBJ30A-TR is widely used in various applications requiring protection against transient overvoltages, including:
- Switch-Mode Power Supplies (SMPS)
- High-end electronic equipment
- Telecommunication systems
- Automotive electronics
- Industrial control systems
Q & A
- What is the peak pulse power of the SMBJ30A-TR?
The peak pulse power of the SMBJ30A-TR is 600 W (10/1000 μs) and 4 kW (8/20 μs). - What is the stand-off voltage of the SMBJ30A-TR?
The stand-off voltage of the SMBJ30A-TR is 30 V. - Is the SMBJ30A-TR uni-directional or bi-directional?
The SMBJ30A-TR is uni-directional. - What is the leakage current of the SMBJ30A-TR at 25 °C and 85 °C?
The leakage current is 0.2 μA at 25 °C and 1 μA at 85 °C. - What is the operating junction temperature range of the SMBJ30A-TR?
The operating junction temperature range is -55 °C to 150 °C. - What is the clamp voltage of the SMBJ30A-TR?
The clamp voltage is 48.4 V. - What is the peak pulse current of the SMBJ30A-TR?
The peak pulse current is 13 A. - In what package is the SMBJ30A-TR available?
The SMBJ30A-TR is available in the SMB package. - What is the lead finishing of the SMBJ30A-TR?
The lead finishing is matte tin plating. - What standards does the SMBJ30A-TR comply with?
The SMBJ30A-TR complies with IEC 61000-4-2 and MIL STD 883, method 3015.
