Overview
The SMBJ8.5CA-TR is a bidirectional Transient Voltage Suppressor (TVS) diode produced by STMicroelectronics. This component is designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. It 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 crucial for reliability and stability.
Key Specifications
| Property | Value |
|---|---|
| VR (V standoff) | 8.5 |
| Watts (W) | 600 |
| IPP 10x1000µs (A) | 41.7 |
| MIN VBR@IT (V) | 9.44 |
| MAX VBR@IT (V) | 10.4 |
| Vc (V) | 14.4 |
| IT (mA) | 1 |
| Ir@Vr (µA) | 20 |
| Operating Temperature Max (°C) | 150 |
| Polarity | Bidirectional |
| Package | DO-214AA (SMB) |
| Peak Pulse Power - 10x1000 (W) | 600 |
| Surge Life | 41.7 |
| Tolerance % | 5 |
Key Features
- Excellent clamping capability
- Low incremental surge resistance
- Typical Ir less than 1µA above 12V
- Surface mount package to optimize board space
- Low profile package
- Typical failure mode is short from over-specified voltage or current
- Whisker test conducted based on JEDEC JESD201A per its table 4a and 4c
- ESD protection of data lines in accordance with IEC 61000-4-2 (IEC801-2)
- EFT protection of data lines in accordance with IEC 61000-4-4 (IEC801-4)
Applications
- Computers
- Consumer electronics
- I/O Interfaces
- VCC buses
- Vulnerable circuits in industrial and telecommunications applications
Q & A
- What is the primary function of the SMBJ8.5CA-TR diode?
The primary function of the SMBJ8.5CA-TR diode is to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.
- What is the standoff voltage (VR) of the SMBJ8.5CA-TR?
The standoff voltage (VR) of the SMBJ8.5CA-TR is 8.5V.
- What is the peak pulse power rating of the SMBJ8.5CA-TR?
The peak pulse power rating of the SMBJ8.5CA-TR is 600W.
- What is the maximum operating temperature of the SMBJ8.5CA-TR?
The maximum operating temperature of the SMBJ8.5CA-TR is 150°C.
- What type of package does the SMBJ8.5CA-TR use?
The SMBJ8.5CA-TR uses a DO-214AA (SMB) package.
- Is the SMBJ8.5CA-TR a unidirectional or bidirectional diode?
The SMBJ8.5CA-TR is a bidirectional diode.
- What are some common applications for the SMBJ8.5CA-TR?
Common applications include computers, consumer electronics, I/O interfaces, VCC buses, and vulnerable circuits in industrial and telecommunications applications.
- Does the SMBJ8.5CA-TR provide ESD protection?
- What is the typical failure mode of the SMBJ8.5CA-TR?
The typical failure mode of the SMBJ8.5CA-TR is short from over-specified voltage or current.
- Is the SMBJ8.5CA-TR RoHS compliant?
