Overview
The SMCJ28A-TR is a 1500 W, 28 V Transient Voltage Suppressor (TVS) diode manufactured by STMicroelectronics. This component is designed to protect sensitive electronic equipment against electrostatic discharges (ESD) and electrical overstress (EOS) in accordance with standards such as IEC 61000-4-2, MIL STD 883 Method 3015, and IEC 61000-4-4 and 5. The SMCJ28A-TR is part of the SMCJ series, which is known for its high reliability and stability, making it suitable for use in high-end equipment and Switch-Mode Power Supplies (SMPS).
Key Specifications
| Attribute | Value |
|---|---|
| Breakdown Voltage-Min | 31.1 V |
| Breakdown Voltage-Max | 32.7 V |
| Clamping Voltage-Max | 59 V |
| Directional | Uni-Directional |
| Peak Output Current | 169 A (10/1000 μs), 182.1 A (8/20 μs) |
| Reverse Leakage Current | 0.2 µA |
| Peak Power | 1500 W |
| Standoff Voltage | 28 V |
| Operating Temperature Range | -55°C to +150°C |
| Storage Temperature Range | -65°C to +150°C |
| Package Style | SMC (DO-214AB) |
| Mounting Method | Surface Mount |
Key Features
- Halogen-free and RoHS compliant, ensuring environmental sustainability.
- Designed for surface mount applications to optimize board space.
- Low profile package with built-in strain relief.
- Glass passivated junction for enhanced reliability.
- Low inductance and excellent clamping capability.
- Fast response time, typically less than 1 ps from 0 V to Vbrmin.
- Repetition Rate (duty cycle): 0.05%.
Applications
The SMCJ28A-TR is suitable for a variety of applications, including:
- General purpose protection against electrostatic discharges and electrical overstress.
- Use in high-end equipment and Switch-Mode Power Supplies (SMPS) where low leakage current and high junction temperature are required.
- Protection of sensitive electronic components in industrial, automotive, and consumer electronics.
Q & A
- What is the peak power rating of the SMCJ28A-TR?
The peak power rating is 1500 W for 10/1000 μs pulses.
- What is the standoff voltage of the SMCJ28A-TR?
The standoff voltage is 28 V.
- Is the SMCJ28A-TR RoHS compliant?
Yes, the SMCJ28A-TR is RoHS compliant and halogen-free.
- What is the operating temperature range of the SMCJ28A-TR?
The operating temperature range is -55°C to +150°C.
- What is the package style of the SMCJ28A-TR?
The package style is SMC (DO-214AB).
- What are the key standards that the SMCJ28A-TR complies with?
The SMCJ28A-TR complies with IEC 61000-4-2, MIL STD 883 Method 3015, and IEC 61000-4-4 and 5.
- What is the reverse leakage current of the SMCJ28A-TR?
The reverse leakage current is 0.2 µA.
- What is the clamping voltage of the SMCJ28A-TR?
The clamping voltage is 59 V.
- Is the SMCJ28A-TR suitable for surface mount applications?
Yes, it is designed for surface mount applications to optimize board space.
- What is the storage temperature range of the SMCJ28A-TR?
The storage temperature range is -65°C to +150°C.
