Overview
The SMBJ48CA-TR, produced by STMicroelectronics, is a high-power Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. This bidirectional TVS diode is part of the SMBJ series, which is renowned for its reliability and stability in high-end equipment and Switch-Mode Power Supplies (SMPS).
Key Specifications
| Property | Value |
|---|---|
| Peak Pulse Power Dissipation | 600 W (10/1000 μs), 4 kW (8/20 μs) |
| Stand-off Voltage (VR) | 48 V |
| Breakdown Voltage (VBR) | 53.3 V to 58.9 V |
| Clamping Voltage (Vc) | 77.4 V |
| Peak Pulse Current (IPP) | 7.8 A (10/1000 μs) |
| Leakage Current (Ir) | 1 μA at 85°C |
| Operating Junction Temperature | -55°C to 150°C |
| Polarity | Bidirectional |
| Package | DO-214AA (SMB) |
| Mounting | Surface Mount (SMD) |
| RoHS Compliance | Ecopack2 |
Key Features
- High peak pulse power dissipation of up to 600 W (10/1000 μs) and 4 kW (8/20 μs).
- Low leakage current of 1 μA at 85°C, ensuring minimal interference with circuit operations.
- Bidirectional protection, offering comprehensive surge protection in both directions.
- High junction temperature capability, with an operating junction temperature range of -55°C to 150°C.
- Compact DO-214AA (SMB) package, suitable for surface-mount applications and optimizing board space.
- Compliance with industry standards for ESD protection (IEC 61000-4-2) and EFT protection (IEC 61000-4-4).
Applications
- Power supplies and Switch-Mode Power Supplies (SMPS).
- Industrial automation and control systems.
- Telecommunications equipment and data lines.
- Computers and consumer electronics.
- Vulnerable circuits in industrial and telecommunications applications.
Q & A
- What is the peak pulse power dissipation of the SMBJ48CA-TR? The peak pulse power dissipation is up to 600 W (10/1000 μs) and 4 kW (8/20 μs).
- What is the stand-off voltage of the SMBJ48CA-TR? The stand-off voltage is 48 V.
- What is the breakdown voltage range of the SMBJ48CA-TR? The breakdown voltage range is from 53.3 V to 58.9 V.
- What is the maximum operating junction temperature of the SMBJ48CA-TR? The maximum operating junction temperature is 150°C.
- Is the SMBJ48CA-TR RoHS compliant? Yes, the SMBJ48CA-TR is RoHS compliant with an Ecopack2 grade.
- What type of package does the SMBJ48CA-TR use? The SMBJ48CA-TR uses a DO-214AA (SMB) package.
- What are the typical applications of the SMBJ48CA-TR? Typical applications include power supplies, industrial automation, telecommunications equipment, and consumer electronics.
- Does the SMBJ48CA-TR provide bidirectional protection? Yes, the SMBJ48CA-TR provides bidirectional protection.
- What is the leakage current of the SMBJ48CA-TR? The leakage current is 1 μA at 85°C.
- Is the SMBJ48CA-TR compliant with industry standards for ESD and EFT protection? Yes, it is compliant with IEC 61000-4-2 for ESD and IEC 61000-4-4 for EFT protection).
