Overview
The SM15T22A-M3/9AT 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 protect sensitive electronics from voltage transients induced by inductive load switching and lightning. The SM15T22A-M3/9AT is known for its high peak pulse power capability and excellent clamping characteristics, making it an ideal choice for various industrial, automotive, and consumer applications.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Reverse Stand-Off Voltage | VWM | 18.8 | V |
| Breakdown Voltage | VBR | 20.9 | V |
| Maximum Clamping Voltage at Ipp | VC | 30.6 | V |
| Peak Pulse Power with a 10/1000 μs waveform | PPPM | 1500 | W |
| Peak Pulse Current with a 10/1000 μs waveform | IPPM | See datasheet for specific values | A |
| Power Dissipation on Infinite Heatsink at TA = 50 °C | 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.
- Excellent Clamping Capability: Effective in protecting against voltage transients.
- Low Inductance: Minimizes the impact of inductive loads.
- AEC-Q101 Qualified: Available for automotive applications, ensuring high reliability.
- RoHS-Compliant and Halogen-Free: Meets environmental and safety standards.
- Glass Passivated Chip Junction: Enhances durability and performance.
- Meets MSL Level 1, per J-STD-020: Ensures robustness against moisture and temperature variations.
Applications
- Protection Against Voltage Transients: In sensitive electronics, ICs, MOSFETs, and signal lines of sensor units.
- Consumer Electronics: Protects devices from power surges and spikes.
- Industrial Applications: Used in systems with inductive loads and high transient voltages.
- Automotive Systems: Protects automotive electronics from voltage transients and surges.
- Telecommunication Systems: Ensures reliability in communication equipment.
Q & A
- What is the reverse stand-off voltage of the SM15T22A-M3/9AT?
The reverse stand-off voltage is 18.8 V.
- What is the maximum clamping voltage at Ipp for the SM15T22A-M3/9AT?
The maximum clamping voltage at Ipp is 30.6 V.
- What is the peak pulse power capability of the SM15T22A-M3/9AT?
The peak pulse power capability is 1500 W with a 10/1000 μs waveform.
- What is the operating junction and storage temperature range for the SM15T22A-M3/9AT?
The operating junction and storage temperature range is -65 to +150 °C.
- Is the SM15T22A-M3/9AT AEC-Q101 qualified?
Yes, it is available in AEC-Q101 qualified versions for automotive applications.
- What package type is the SM15T22A-M3/9AT available in?
The component is available in the SMC (DO-214AB) package.
- What are the key applications of the SM15T22A-M3/9AT?
It is used in consumer electronics, industrial applications, automotive systems, and telecommunication systems to protect against voltage transients.
- Is the SM15T22A-M3/9AT RoHS-compliant and halogen-free?
Yes, it is RoHS-compliant and halogen-free, meeting environmental and safety standards.
- What is the maximum forward surge current for the SM15T22A-M3/9AT?
The maximum forward surge current is 200 A for a 10 ms single half sine-wave.
- What is the typical thermal resistance, junction to ambient air, for the SM15T22A-M3/9AT?
The typical thermal resistance, junction to ambient air, is 75 °C/W.
