Overview
The SM15T220AHM3/I is a transient voltage suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the SM15T series, which is designed to provide protection against voltage transients in various electronic systems. The SM15T220AHM3/I is particularly suited for applications requiring high peak pulse power capability and excellent clamping performance.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak Power Dissipation (10/1000 μs waveform) | PPPM | 1500 | W |
| Peak Pulse Current (10/1000 μs waveform) | IPPM | 4.6 | A |
| Stand-Off Voltage | VWM | 188 | V |
| Breakdown Voltage (Unidirectional) | VBR | 209 - 231 | V |
| Clamping Voltage (10/1000 μs waveform) | VC | 328 | V |
| Power Dissipation on Infinite Heatsink | PD | 6.5 | W |
| Peak Forward Surge Current (10 ms single half sine-wave) | IFSM | 200 | A |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 | °C |
| Package | SMC (DO-214AB) |
Key Features
- Low Profile Package: Ideal for automated placement and space-saving designs.
- High Peak Pulse Power Capability: 1500 W with a 10/1000 μs waveform, making it suitable for protecting against high-energy transients.
- Excellent Clamping Capability: Effective in limiting voltage transients to a safe level, protecting sensitive electronics.
- Low Inductance: Minimizes the impact of inductive loads on the transient voltage suppression.
- AEC-Q101 Qualified: Available in automotive-grade versions, ensuring reliability in harsh automotive environments.
- RoHS and Halogen-Free Compliance: Meets environmental and safety standards for commercial and automotive applications.
- High Temperature Rating: Operating junction temperature up to 150 °C, suitable for high-temperature applications.
Applications
The SM15T220AHM3/I is used in various applications to protect sensitive electronics against voltage transients. These include:
- Automotive Systems: Protection against load dump, inductive load switching, and other transient events in automotive electronics.
- Industrial Systems: Protection of control units, sensors, and other electronic components from switching transients and lightning-induced surges.
- Consumer Electronics: Protection of ICs, MOSFETs, and signal lines in consumer devices from voltage transients.
- Telecommunications and Computing: Protection of sensitive electronics from transient voltages in telecommunications and computing systems.
Q & A
- What is the peak pulse power dissipation of the SM15T220AHM3/I?
The peak pulse power dissipation is 1500 W with a 10/1000 μs waveform.
- What is the breakdown voltage range for the SM15T220AHM3/I?
The breakdown voltage range is 209 to 231 V for unidirectional types.
- What is the clamping voltage of the SM15T220AHM3/I?
The clamping voltage is 328 V for a 10/1000 μs waveform.
- What is the operating junction temperature range for this component?
The operating junction temperature range is -65 to +150 °C.
- Is the SM15T220AHM3/I AEC-Q101 qualified?
Yes, it is available in AEC-Q101 qualified versions, denoted by the HE3 or HM3 suffix.
- What package type is used for the SM15T220AHM3/I?
The component is packaged in an SMC (DO-214AB) package.
- What are the key applications of the SM15T220AHM3/I?
Key applications include automotive, industrial, consumer electronics, telecommunications, and computing systems.
- Does the SM15T220AHM3/I meet environmental compliance standards?
Yes, it is RoHS-compliant and halogen-free, meeting environmental and safety standards.
- What is the peak forward surge current rating for the SM15T220AHM3/I?
The peak forward surge current rating is 200 A for a 10 ms single half sine-wave.
- How does the SM15T220AHM3/I handle high-temperature conditions?
The component has a high temperature rating with an operating junction temperature up to 150 °C.
