Overview
The SMBJ24CA-TR, produced by STMicroelectronics, is a Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. This component utilizes planar technology, making it suitable for high-end equipment and Switch-Mode Power Supplies (SMPS) where low leakage current and high junction temperature are critical for reliability and stability over time.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak Pulse Power Dissipation (10/1000μs) | PPPM | 600 | W |
| Standoff Voltage Range | VR | 24.0 | V |
| Breakdown Voltage (VBR) @ IT Test Current | VBR | 26.70 - 29.50 | V |
| Maximum Clamping Voltage (VC) @ Ipp | VC | 38.9 | V |
| Maximum Peak Pulse Current (Ipp) | Ipp | 15.5 | A |
| Maximum Reverse Leakage Current (IR) @ VR | IR | 1 | µA |
| Operating Temperature Range | TJ | -65 to 150 | °C |
| Storage Temperature Range | TSTG | -65 to 175 | °C |
| Typical Thermal Resistance Junction to Lead | RƟJL | 20 | °C/W |
| Typical Thermal Resistance Junction to Ambient | RƟJA | 100 | °C/W |
Key Features
- Excellent clamping capability to protect against voltage transients.
- Low incremental surge resistance for effective transient absorption.
- Typical reverse leakage current less than 1μA when VBR min > 12V.
- Surface mount design to optimize board space with a low profile package.
- Fast response time, typically less than 1.0ps from 0V to VBR min.
- High temperature reflow soldering capability up to 260°C for 30 seconds.
- UL Recognized compound meeting flammability classification V-0 and RoHS compliant.
- ESD protection of data lines in accordance with IEC 61000-4-2 and EFT protection in accordance with IEC 61000-4-4.
Applications
The SMBJ24CA-TR TVS diode is ideal for protecting I/O interfaces, VCC bus, and other vulnerable circuits in various applications, including:
- Telecom equipment
- Computer systems
- Industrial electronics
- Consumer electronics
Q & A
- What is the peak pulse power dissipation of the SMBJ24CA-TR?
The peak pulse power dissipation is 600W at 10/1000μs waveform.
- What is the standoff voltage range for the SMBJ24CA-TR?
The standoff voltage range is 24.0 volts.
- What is the breakdown voltage (VBR) range for the SMBJ24CA-TR?
The breakdown voltage range is 26.70 to 29.50 volts at the specified test current.
- What is the maximum clamping voltage (VC) for the SMBJ24CA-TR?
The maximum clamping voltage is 38.9 volts at the specified peak pulse current.
- What is the maximum reverse leakage current (IR) for the SMBJ24CA-TR?
The maximum reverse leakage current is 1 μA at the specified standoff voltage.
- What is the operating temperature range for the SMBJ24CA-TR?
The operating temperature range is -65 to 150°C.
- Is the SMBJ24CA-TR RoHS compliant?
Yes, the SMBJ24CA-TR is RoHS compliant and meets flammability classification V-0).
- What are the typical thermal resistances for the SMBJ24CA-TR?
The typical thermal resistance from junction to lead is 20°C/W, and from junction to ambient is 100°C/W).
- What kind of ESD protection does the SMBJ24CA-TR offer?
The SMBJ24CA-TR offers ESD protection of data lines in accordance with IEC 61000-4-2 and EFT protection in accordance with IEC 61000-4-4).
- In which applications is the SMBJ24CA-TR commonly used?
The SMBJ24CA-TR is commonly used in telecom, computer, industrial, and consumer electronic applications to protect sensitive circuits from voltage transients).
