Overview
The SMBJ40A-TR is a Transil diode designed by STMicroelectronics to protect sensitive equipment against transient overvoltages, electrostatic discharges, and electrical overstress. This device is part of the SMBJ series, which is known for its high reliability and stability in various applications. The SMBJ40A-TR utilizes Planar technology, making it suitable for high-end equipment and Switched Mode Power Supplies (SMPS) where low leakage current and high junction temperature are critical.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Power (10/1000 μs) | 600 | W |
| Peak Pulse Power (8/20 μs) | 4 kW | |
| Stand-off Voltage (VRM) | 40 | V |
| Maximum Operating Junction Temperature (Tjmax) | 150 | °C |
| Minimum Operating Junction Temperature (Tjmin) | -55 | °C |
| Leakage Current at 25 °C | 0.2 μA | |
| Leakage Current at 85 °C | 1 μA | |
| Directionality | Unidirectional | |
| Package | SMB |
Key Features
- High peak pulse power capability: 600 W (10/1000 μs) and 4 kW (8/20 μs).
- Low leakage current: 0.2 μA at 25 °C and 1 μA at 85 °C.
- High operating junction temperature: up to 150 °C.
- Planar technology for high reliability and stability in high-end equipment and SMPS applications.
- Protection against electrostatic discharges according to IEC 61000-4-2 and MIL STD 883, method 3015.
- Protection against electrical overstress according to IEC 61000-4-4 and 5.
- Unidirectional and bidirectional types available in the SMBJ series.
Applications
- High-end equipment requiring high reliability and stability.
- Switched Mode Power Supplies (SMPS) where low leakage current and high junction temperature are critical.
- Protection against transient overvoltages in sensitive electronic circuits.
- Electrostatic discharge protection in accordance with IEC 61000-4-2 and MIL STD 883, method 3015.
Q & A
- What is the peak pulse power of the SMBJ40A-TR? The peak pulse power of the SMBJ40A-TR is 600 W (10/1000 μs) and 4 kW (8/20 μs).
- What is the stand-off voltage (VRM) of the SMBJ40A-TR? The stand-off voltage (VRM) of the SMBJ40A-TR is 40 V.
- What is the maximum operating junction temperature of the SMBJ40A-TR? The maximum operating junction temperature of the SMBJ40A-TR is 150 °C.
- What is the leakage current of the SMBJ40A-TR at 25 °C and 85 °C? The leakage current is 0.2 μA at 25 °C and 1 μA at 85 °C.
- What type of package does the SMBJ40A-TR use? The SMBJ40A-TR is packaged in an SMB package.
- Is the SMBJ40A-TR unidirectional or bidirectional? The SMBJ40A-TR is unidirectional, though the SMBJ series also includes bidirectional types.
- What standards does the SMBJ40A-TR comply with for electrostatic discharge protection? The SMBJ40A-TR complies with IEC 61000-4-2 and MIL STD 883, method 3015 for electrostatic discharge protection.
- What are the typical applications of the SMBJ40A-TR? Typical applications include high-end equipment and Switched Mode Power Supplies (SMPS) where low leakage current and high junction temperature are critical.
- What technology does the SMBJ40A-TR use? The SMBJ40A-TR uses Planar technology for high reliability and stability.
- Is the SMBJ40A-TR RoHS compliant? Yes, the SMBJ40A-TR is RoHS compliant with an Ecopack2 grade.
