Overview
The SM15T15A-M3/57T is a transient voltage suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the SM15T series, designed to provide protection against voltage transients in sensitive electronics. It is particularly useful in applications involving inductive load switching and lightning strikes on ICs, MOSFETs, and signal lines of sensor units.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Reverse Stand-Off Voltage (Typ) | VWM | 12.8 | V |
| Breakdown Voltage (Min/Max) | VBR | 14.3 / 15.8 | V |
| Peak Pulse Power (10/1000 μs waveform) | PPPM | 1500 | W |
| Peak Pulse Current (10/1000 μs waveform) | IPPM | 71.0 | A |
| 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 Type | SMC (DO-214AB) | ||
| Polarity | Unidirectional |
Key Features
- Low profile package ideal for automated placement
- Glass passivated chip junction for reliability
- Available in unidirectional and bidirectional configurations
- 1500 W peak pulse power capability with a 10/1000 μs waveform
- Excellent clamping capability and low inductance
- Meets MSL level 1, per J-STD-020, with a maximum peak of 260 °C
- AEC-Q101 qualified for automotive applications (with appropriate ordering code)
- RoHS-compliant and halogen-free options available
- Molding compound meets UL 94 V-0 flammability rating
Applications
The SM15T15A-M3/57T is used in various applications to protect sensitive electronics against voltage transients. These include:
- Consumer electronics
- Computer systems
- Industrial control systems
- Automotive systems
- Telecommunication equipment
It is particularly effective in protecting ICs, MOSFETs, and signal lines of sensor units from transients induced by inductive load switching and lightning.
Q & A
- What is the primary function of the SM15T15A-M3/57T?
The primary function is to protect sensitive electronics against voltage transients induced by inductive load switching and lightning.
- What is the peak pulse power capability of the SM15T15A-M3/57T?
The peak pulse power capability is 1500 W with a 10/1000 μs waveform.
- What are the operating junction and storage temperature ranges for this component?
The operating junction and storage temperature ranges are -65 to +150 °C.
- Is the SM15T15A-M3/57T RoHS-compliant?
- What package type does the SM15T15A-M3/57T use?
The package type is SMC (DO-214AB).
- Is the SM15T15A-M3/57T suitable for automotive applications?
- What is the typical thermal resistance, junction to ambient air, for this component?
The typical thermal resistance, junction to ambient air, is 75 °C/W.
- What is the maximum forward surge current for the SM15T15A-M3/57T?
The maximum forward surge current is 200 A for a 10 ms single half sine-wave.
- Does the SM15T15A-M3/57T meet any specific flammability standards?
- How is the SM15T15A-M3/57T packaged?
