Overview
The SMBJ154A-TR is a uni-directional Transient Voltage Suppressor (TVS) diode produced by STMicroelectronics. This component is part of the SMBJ series, designed to protect sensitive equipment against electrostatic discharges and electrical overstress. The SMBJ154A-TR is particularly suited for high-end equipment and Switch-Mode Power Supplies (SMPS) where low leakage current and high junction temperature are crucial for reliability and stability over time.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Peak Pulse Power | 600 W (10/1000 μs), 4 kW (8/20 μs) | Stand-off Voltage | 154 V |
| Maximum Clamping Voltage | 317 V | Leakage Current | 0.2 μA at 25 °C, 1 μA at 85 °C |
| Operating Junction Temperature | -55 °C to 150 °C | Package/Case | DO-214AA (SMB) |
| PIN Count | 2 | ESD Protection | Yes, according to IEC 61000-4-2 and MIL STD 883, method 3015 |
Key Features
- Peak pulse power: 600 W (10/1000 μs) and 4 kW (8/20 μs)
- Stand-off voltage range from 5 V to 188 V (specifically 154 V for SMBJ154A-TR)
- Unidirectional configuration
- Low leakage current: 0.2 μA at 25 °C and 1 μA at 85 °C
- High junction temperature capability: up to 150 °C
- Lead finishing: matte tin plating
Applications
The SMBJ154A-TR is used in various applications to protect sensitive equipment against electrostatic discharges and electrical overstress. Key applications include:
- High-end equipment requiring low leakage current and high junction temperature stability
- Switch-Mode Power Supplies (SMPS)
- Protection against surges below 600 W (10/1000 μs)
- Electronic speed controller reference designs
Q & A
- Q: What is the primary function of the SMBJ154A-TR?
A: The SMBJ154A-TR is a uni-directional TVS diode designed to protect sensitive equipment against electrostatic discharges and electrical overstress.
- Q: What is the peak pulse power of the SMBJ154A-TR?
A: The peak pulse power of the SMBJ154A-TR is 600 W (10/1000 μs) and 4 kW (8/20 μs).
- Q: What is the maximum clamping voltage of the SMBJ154A-TR?
A: The maximum clamping voltage of the SMBJ154A-TR is 317 V.
- Q: What is the operating junction temperature range of the SMBJ154A-TR?
A: The operating junction temperature range is -55 °C to 150 °C.
- Q: What package type is the SMBJ154A-TR available in?
A: The SMBJ154A-TR is packaged in DO-214AA (SMB).
- Q: Does the SMBJ154A-TR provide ESD protection?
A: Yes, the SMBJ154A-TR provides ESD protection according to IEC 61000-4-2 and MIL STD 883, method 3015.
- Q: How can I obtain detailed information about the SMBJ154A-TR, such as application notes and datasheets?
A: You can find detailed information, including application notes and datasheets, on the STMicroelectronics website or through authorized distributors like Ovaga Technologies.
- Q: What is the warranty period for the SMBJ154A-TR purchased from Ovaga?
A: Ovaga offers a 1-year warranty on the SMBJ154A-TR, covering any defects in materials and workmanship under normal use.
- Q: How can I contact Ovaga for support or technical inquiries about the SMBJ154A-TR?
A: You can contact Ovaga via email at [email protected] for any after-sales support or technical inquiries, including requests for datasheets or pin diagrams.
- Q: What are the shipping options and lead times for the SMBJ154A-TR from Ovaga?
A: Ovaga offers shipping through various carriers such as DHL, FedEx, UPS, TNT, EMS, and Registered Air Mail, with typical delivery times ranging from 2-5 days.
