Overview
The SMBJ70A-TR is a Transient Voltage Suppressor (TVS) diode manufactured by STMicroelectronics. This component is part of the SMBJ series, designed to protect sensitive equipment against electrostatic discharges and electrical overstress. The SMBJ70A-TR is particularly suited for applications requiring high reliability and stability, such as in high-end equipment and Switch-Mode Power Supplies (SMPS).
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Category | Circuit Protection - TVS - Diodes |
| Package | DO-214AA, SMB |
| Voltage - Reverse Standoff (Typ) | 70V |
| Voltage - Breakdown (Min) | 77.8V |
| Voltage - Clamping (Max) @ Ipp | 146V |
| Current - Peak Pulse (10/1000µs) | 27A (8/20µs) |
| Power - Peak Pulse | 600W |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| Leakage Current | 0.2 μA at 25 °C, 1 μA at 85 °C |
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.
- Directionality: Unidirectional.
- Low Leakage Current: 0.2 μA at 25 °C and 1 μA at 85 °C.
- Operating Junction Temperature: Up to 150 °C.
- High Power Capability: Up to 350 W at Tjmax (10/1000 µs).
- Lead Finishing: Matte tin plating.
Applications
The SMBJ70A-TR is used in various applications to protect sensitive equipment against electrostatic discharges and electrical overstress. These include:
- General Purpose Protection: Protecting electronic circuits from voltage surges and spikes.
- High-End Equipment: Used in high-reliability applications such as in SMPS, medical devices, and industrial control systems.
- Automotive and Aerospace: Compliant with standards such as IEC 61000-4-2 and MIL STD 883, method 3015, making it suitable for automotive and aerospace applications.
Q & A
- What is the primary function of the SMBJ70A-TR?
The primary function of the SMBJ70A-TR is to protect sensitive equipment against electrostatic discharges and electrical overstress.
- What is the peak pulse power of the SMBJ70A-TR?
The peak pulse power of the SMBJ70A-TR is 600 W (10/1000 μs) and 4 kW (8/20 μs).
- What is the operating junction temperature range of the SMBJ70A-TR?
The operating junction temperature range is from -55°C to 150°C.
- What type of packaging does the SMBJ70A-TR use?
The SMBJ70A-TR is packaged in DO-214AA, SMB.
- Is the SMBJ70A-TR RoHS compliant?
Yes, the SMBJ70A-TR is RoHS compliant with an Ecopack2 grade.
- What are the typical applications of the SMBJ70A-TR?
Typical applications include general purpose protection, high-end equipment, and automotive and aerospace systems.
- What is the leakage current of the SMBJ70A-TR?
The leakage current is 0.2 μA at 25 °C and 1 μA at 85 °C.
- What standards does the SMBJ70A-TR comply with?
The SMBJ70A-TR complies with IEC 61000-4-2, MIL STD 883, method 3015, and other relevant standards.
- What is the maximum clamping voltage of the SMBJ70A-TR?
The maximum clamping voltage is 146V.
- How is the lead finishing of the SMBJ70A-TR?
The lead finishing is matte tin plating.
