Overview
The SM15T18CA-M3/57T is a surface mount 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 induced by inductive load switching and lightning in sensitive electronic circuits. It is ideal for use in various applications, including consumer, computer, industrial, automotive, and telecommunication systems.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Reverse Stand-Off Voltage (Typ) | VWM | 15.3 | V |
| Breakdown Voltage (Min/Max) | VBR | 17.1 / 18.9 | V |
| Peak Pulse Power (10/1000 μs waveform) | PPPM | 1500 | W |
| Peak Pulse Current (10/1000 μs waveform) | IPPM | See datasheet for specific values | A |
| Power Dissipation on Infinite Heatsink | PD | 6.5 | W |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 | °C |
| Package Type | SMC (DO-214AB) | ||
| Polarity | Bidirectional |
Key Features
- Low profile package ideal for automated placement.
- Glass passivated chip junction for high 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 SM15T18CA-M3/57T is designed for use in sensitive electronics to protect against voltage transients induced by inductive load switching and lightning. Typical applications include:
- Consumer electronics
- Computer systems
- Industrial control systems
- Automotive systems
- Telecommunication equipment
Q & A
- What is the primary function of the SM15T18CA-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 this TVS diode?
The peak pulse power capability is 1500 W with a 10/1000 μs waveform. - What are the operating junction and storage temperature ranges?
The operating junction and storage temperature ranges are -65 to +150 °C. - Is the SM15T18CA-M3/57T RoHS-compliant?
Yes, it is RoHS-compliant and also available in halogen-free versions. - What is the package type of this component?
The package type is SMC (DO-214AB). - Is this component suitable for automotive applications?
Yes, it is AEC-Q101 qualified for automotive applications with the appropriate ordering code. - What is the typical thermal resistance, junction to ambient air?
The typical thermal resistance, junction to ambient air, is 75 °C/W. - What are the typical applications for this TVS diode?
Typical applications include consumer electronics, computer systems, industrial control systems, automotive systems, and telecommunication equipment. - Does the component meet any specific flammability ratings?
Yes, the molding compound meets the UL 94 V-0 flammability rating. - What is the polarity of the SM15T18CA-M3/57T?
The polarity is bidirectional.
