STMicroelectronics

SMAJ28A-TR

SMAJ28A-TR Description

The SMAJ28A-TR is a high-performance TVS diode from STMicroelectronics, designed for general-purpose applications. This Zener diode features a peak pulse current of 39A (8/20µs) and a power rating of 400W. With a reverse standoff voltage of 28V and a maximum clamping voltage of 59V at Ipp, the SMAJ28A-TR offers robust protection for sensitive electronic circuits.

SMAJ28A-TR Features

• Voltage - Breakdown (Min): 31.1V
• Voltage - Clamping (Max) @ Ipp: 59V
• Voltage - Reverse Standoff (Typ): 28V
• Current - Peak Pulse (10/1000µs): 39A (8/20µs)
• Power - Peak Pulse: 400W
• Mounting Type: Surface Mount
• Package: Tape & Reel (TR)
• RoHS Status: ROHS3 Compliant
• REACH Status: REACH Unaffected
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

The SMAJ28A-TR's unique features include its high peak pulse current and power rating, making it suitable for demanding applications. Its surface-mount design allows for easy integration into various electronic devices. The diode's high reverse standoff voltage and low clamping voltage provide excellent protection against voltage transients.

SMAJ28A-TR Applications

The SMAJ28A-TR is ideal for a wide range of general-purpose applications, including:

1. Automotive Electronics: Protecting automotive control units, sensors, and communication interfaces from voltage spikes.
2. Industrial Control Systems: Safeguarding PLCs, motor drives, and HMIs from electrical noise and transients.
3. Telecommunications Equipment: Shielding communication interfaces, power supplies, and signal processing circuits from voltage surges.
4. Consumer Electronics: Providing protection for smartphones, tablets, and other portable devices against voltage fluctuations.

Conclusion of SMAJ28A-TR

The SMAJ28A-TR from STMicroelectronics is a versatile and reliable TVS diode, offering excellent protection for a variety of electronic devices. Its high peak pulse current, power rating, and robust voltage protection make it an ideal choice for general-purpose applications. With its surface-mount design and RoHS3 compliance, the SMAJ28A-TR is a cost-effective and environmentally friendly solution for protecting sensitive circuits from voltage transients.