Overview
The SM15T33CA is a Transient Voltage Suppressor (TVS) diode produced by STMicroelectronics. It is part of the SM15T TVS series, designed to protect sensitive electronic equipment against various types of electrical overstress, including electrostatic discharges (ESD) and electrical surges. This component complies with international standards such as IEC 61000-4-2, MIL STD 883 Method 3015, and IEC 61000-4-4 and 5. The SM15T33CA is particularly suited for applications requiring high reliability and stability, especially in high-end equipment and Switch-Mode Power Supplies (SMPS).
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Power (10/1000 μs) | 1500 | W |
| Peak Pulse Power (8/20 μs) | Up to 10 kW | W |
| Stand-off Voltage Range | 5 V to 188 V | V |
| Maximum Stand-off Voltage (VRM) | 28.2 | V |
| Directionality | Bidirectional | |
| Low Leakage Current | 0.2 µA at 25 °C | µA |
| Operating Junction Temperature Range | -55 to 150 °C | °C |
| Package Type | SMC (DO-214AB) | |
| Lead Finishing | Matte Tin Plating | |
| RoHS Compliance | Ecopack2 |
Key Features
- High power capability: Up to 1500 W peak pulse power with a 10/1000 μs waveform and up to 10 kW with an 8/20 μs waveform.
- Low leakage current: 0.2 µA at 25 °C, ensuring minimal current draw during normal operation.
- High operating junction temperature: Up to 150 °C, making it suitable for high-temperature applications.
- Unidirectional and bidirectional types available, offering flexibility in design.
- Low inductance and excellent clamping capability, providing effective transient voltage suppression.
- Compliant with various international standards for ESD and electrical overstress protection.
- AEC-Q101 qualified for automotive applications (with specific ordering codes).
- Lead finishing with matte tin plating for reliable soldering.
Applications
The SM15T33CA is ideal for protecting sensitive electronics against voltage transients in various applications, including:
- Industrial equipment: Protecting against transients induced by large coils or industrial motors.
- Consumer electronics: Safeguarding ICs, MOSFETs, and signal lines in consumer devices.
- Computer systems: Ensuring protection of sensitive components in computer hardware.
- Automotive systems: Qualified to AEC-Q101 standards, making it suitable for automotive applications.
- Telecommunication systems: Protecting against electrical surges and ESD in telecommunication equipment.
Q & A
- What is the peak pulse power rating of the SM15T33CA?
The SM15T33CA has a peak pulse power rating of 1500 W with a 10/1000 μs waveform and up to 10 kW with an 8/20 μs waveform.
- What is the maximum stand-off voltage (VRM) of the SM15T33CA?
The maximum stand-off voltage (VRM) of the SM15T33CA is 28.2 V.
- What is the operating junction temperature range of the SM15T33CA?
The operating junction temperature range of the SM15T33CA is -55 to 150 °C.
- Is the SM15T33CA RoHS compliant?
- What package type does the SM15T33CA come in?
The SM15T33CA comes in an SMC (DO-214AB) package.
- What are the typical applications of the SM15T33CA?
The SM15T33CA is used in industrial, consumer, computer, automotive, and telecommunication systems to protect against voltage transients and ESD.
- Is the SM15T33CA AEC-Q101 qualified?
- What is the leakage current of the SM15T33CA at 25 °C?
The leakage current of the SM15T33CA is 0.2 µA at 25 °C.
- What is the lead finishing of the SM15T33CA?
The SM15T33CA has matte tin plating for reliable soldering.
- What are the dimensions of the SM15T33CA package?
The SM15T33CA package dimensions are 8 x 5.9 x 2.3 mm.
