Overview
The SM15T18CA-E3/57T is a Transient Voltage Suppressor (TVS) diode from Vishay General Semiconductor - Diodes Division. This component is part of the TransZorb® SM15T series, designed to protect sensitive electronics from voltage transients induced by inductive load switching and lightning.
It features a low profile SMC (DO-214AB) package, making it ideal for automated placement in various electronic systems. The device is available in both unidirectional and bidirectional configurations, catering to different application needs.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Reverse Standoff Voltage (typ) | VWM | 15.3 | V |
| Breakdown Voltage | VBR | 17.1 | V |
| Peak Pulse Power Dissipation | PPPM | 1500 | W |
| Peak Surge Current | IFSM | 200 | A |
| Clamping Voltage | VC | 32.5 | V |
| Operating Junction Temperature | TJ | -65 to +150 | °C |
| Package | SMC (DO-214AB) | ||
| Polarity | Bidirectional | ||
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
Key Features
- Low Profile Package: The SMC (DO-214AB) package is ideal for automated placement and space-saving designs.
- Glass Passivated Chip Junction: Ensures reliable and stable performance.
- Available in Unidirectional and Bidirectional: Catering to various application requirements.
- Excellent Clamping Capability: Provides effective protection against voltage transients.
- Low Inductance: Minimizes the impact of inductive loads.
- AEC-Q101 Qualified: Suitable for automotive applications with the appropriate ordering code.
- Meets MSL Level 1, per J-STD-020: Ensures reliability in various environmental conditions.
Applications
The SM15T18CA-E3/57T is used in sensitive electronics to protect against voltage transients induced by inductive load switching and lightning. Typical applications include:
- Consumer electronics
- Computer systems
- Industrial equipment
- Automotive systems
- Telecommunication devices
- Protection of ICs, MOSFETs, and signal lines of sensor units
Q & A
- What is the peak pulse power dissipation of the SM15T18CA-E3/57T?
The peak pulse power dissipation is 1500 W with a 10/1000 μs waveform.
- What is the breakdown voltage of this TVS diode?
The breakdown voltage is 17.1 V.
- What is the clamping voltage of the SM15T18CA-E3/57T?
The clamping voltage is 32.5 V.
- What are the operating temperature ranges for this component?
The operating junction temperature range is -65 to +150 °C.
- Is the SM15T18CA-E3/57T RoHS compliant?
- What package type does the SM15T18CA-E3/57T use?
- What is the polarity of the SM15T18CA-E3/57T?
- What are some typical applications for this TVS diode?
- Is the SM15T18CA-E3/57T AEC-Q101 qualified?
- What is the maximum forward surge current for this component?
