Overview
The STMicroelectronics SMBJ18CA-TR is a bi-directional Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic equipment from 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 SMBJ18CA-TR is particularly suited for protecting against surges below 600 W (10/1000 μs) and complies with standards such as IEC 61000-4-2 and MIL STD 883, method 3015.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Part Number | SMBJ18CA-TR |
| Type of Diode | TVS, Bi-Directional |
| Peak Pulse Power Dissipation | 600 W (10/1000 μs), 4 kW (8/20 μs) |
| Standoff Voltage | 18 V |
| Breakdown Voltage (Min/Max) | 20 V / 21.1 V |
| Clamping Voltage (Max) | 39.3 V |
| Reverse Leakage Current | 0.2 μA at 25 °C, 1 μA at 85 °C |
| Max Forward Impulse Current | 21.5 A |
| Operating Temperature Range | -55 °C to +150 °C |
| Storage Temperature Range | -65 °C to +150 °C |
| Package Style | SMB (DO-214AA) |
| Mounting Method | Surface Mount |
Key Features
- High peak pulse power dissipation: 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.
- Bi-directional protection.
- Operating junction temperature up to 150 °C.
- Compliance with IEC 61000-4-2 and MIL STD 883, method 3015 for electrostatic discharge protection.
- Planar technology for high reliability and stability in high-end equipment and SMPS.
Applications
The SMBJ18CA-TR is suitable for a variety of applications where protection against electrical surges and electrostatic discharges is crucial. These include:
- High-end electronic equipment requiring low leakage current and high junction temperature stability.
- Switch-Mode Power Supplies (SMPS) where reliability and stability are paramount.
- Industrial and automotive systems that need robust protection against electrical overstress.
- Telecommunication and data communication systems requiring high surge protection.
Q & A
- What is the peak pulse power dissipation of the SMBJ18CA-TR?
The peak pulse power dissipation is 600 W (10/1000 μs) and 4 kW (8/20 μs).
- What is the standoff voltage of the SMBJ18CA-TR?
The standoff voltage is 18 V.
- What is the breakdown voltage range of the SMBJ18CA-TR?
The breakdown voltage range is from 20 V to 21.1 V.
- What is the maximum forward impulse current of the SMBJ18CA-TR?
The maximum forward impulse current is 21.5 A.
- What is the operating temperature range of the SMBJ18CA-TR?
The operating temperature range is from -55 °C to +150 °C.
- What type of package does the SMBJ18CA-TR use?
The SMBJ18CA-TR uses an SMB (DO-214AA) package.
- Is the SMBJ18CA-TR bi-directional?
Yes, the SMBJ18CA-TR is bi-directional.
- What standards does the SMBJ18CA-TR comply with for electrostatic discharge protection?
The SMBJ18CA-TR complies with IEC 61000-4-2 and MIL STD 883, method 3015.
- What is the storage temperature range of the SMBJ18CA-TR?
The storage temperature range is from -65 °C to +150 °C.
- What is the reverse leakage current of the SMBJ18CA-TR?
The reverse leakage current is 0.2 μA at 25 °C and 1 μA at 85 °C).
