Overview
The STIEC45-33AS is a Transil (TVS) diode designed by STMicroelectronics to protect DC power supply lines in accordance with IEC 61000-4-5 standards. This device is engineered to safeguard circuits against electrical fast transients (EFT) as per IEC 61000-4-4 and ETS EN 300 386, as well as electrostatic discharges (ESD) according to IEC 61000-4-2 and MIL STD 883 Method 3015. Utilizing planar technology, the STIEC45-33AS is particularly suited for high-end equipment and Switch-Mode Power Supplies (SMPS) where low leakage current and high junction temperature are critical for reliability and stability.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | STIEC45-33AS |
| Package | SMC (SMC footprint in accordance with IPC 7351 standard) |
| Stand-off Voltage (VRM) | 33 V |
| Peak Pulse Current (Ipp) | 500 A (1.2/50 μs, 8/20 μs) |
| Leakage Current | 0.2 μA at 25 °C, 1 μA at 85 °C |
| Operating Junction Temperature (Tj) | -55 °C to 150 °C |
| Directionality | Unidirectional |
| RoHS Compliance | Ecopack2 |
Key Features
- High peak current capability: 500 A (1.2/50 μs, 8/20 μs).
- Low leakage current: 0.2 μA at 25 °C, 1 μA at 85 °C.
- High junction temperature: up to 150 °C.
- Planar technology for high reliability and stability in high-end equipment and SMPS.
- Compliance with IEC 61000-4-5, IEC 61000-4-4, ETS EN 300 386, and IEC 61000-4-2 standards.
- JEDEC registered package outline.
Applications
The STIEC45-33AS is designed for use in various high-end applications, including:
- Switch-Mode Power Supplies (SMPS).
- DC power supply lines requiring protection against electrical fast transients and electrostatic discharges.
- High-reliability and high-stability equipment where low leakage current and high junction temperature are essential.
Q & A
- What is the primary function of the STIEC45-33AS?
The STIEC45-33AS is designed to protect DC power supply lines against electrical fast transients and electrostatic discharges in accordance with various international standards. - What is the peak pulse current capability of the STIEC45-33AS?
The peak pulse current capability is 500 A (1.2/50 μs, 8/20 μs). - What is the stand-off voltage of the STIEC45-33AS?
The stand-off voltage (VRM) is 33 V. - What is the operating junction temperature range of the STIEC45-33AS?
The operating junction temperature range is -55 °C to 150 °C. - Is the STIEC45-33AS RoHS compliant?
Yes, the STIEC45-33AS is RoHS2 compliant. - What type of package does the STIEC45-33AS use?
The STIEC45-33AS is packaged in SMC (SMC footprint in accordance with IPC 7351 standard). - What are the key features of the planar technology used in the STIEC45-33AS?
The planar technology provides low leakage current and high junction temperature, making it suitable for high-end equipment and SMPS. - What standards does the STIEC45-33AS comply with?
The STIEC45-33AS complies with IEC 61000-4-5, IEC 61000-4-4, ETS EN 300 386, and IEC 61000-4-2 standards. - What is the directionality of the STIEC45-33AS?
The STIEC45-33AS is a unidirectional device). - Where can I find CAD symbols, footprints, and 3D models for the STIEC45-33AS?
You can download these resources from the STMicroelectronics website).
