Overview
The SM15T18AHE3_A/I is a Transient Voltage Suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the SM15T series, designed to protect sensitive electronics from voltage transients induced by inductive load switching and lightning. The SM15T18AHE3_A/I is available in a surface mount package (DO-214AB) and is suitable for various applications including consumer, computer, industrial, automotive, and telecommunication systems.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Reverse Stand-Off Voltage | VWM | 15.3 | V |
| Breakdown Voltage (Unidirectional) | VBR | 17.1 - 18.9 | V |
| Peak Pulse Power Dissipation (10/1000 μs waveform) | PPPM | 1500 | W |
| Peak Pulse Current (10/1000 μs waveform) | IPPM | See table 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.
- Glass Passivated Chip Junction: Ensures reliability and stability.
- Available in Unidirectional and Bidirectional: Offers flexibility for different application needs.
- 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: Suitable for automotive applications.
- Meets MSL Level 1, per J-STD-020: Ensures reliability in various environmental conditions.
Applications
The SM15T18AHE3_A/I is used in various applications to protect sensitive electronics from voltage transients, including:
- Consumer electronics
- Computer systems
- Industrial control systems
- Automotive systems
- Telecommunication systems
- Protection of ICs, MOSFETs, and signal lines of sensor units
Q & A
- What is the primary function of the SM15T18AHE3_A/I?
The primary function is to protect sensitive electronics from voltage transients induced by inductive load switching and lightning.
- What is the peak pulse power dissipation of the SM15T18AHE3_A/I?
The peak pulse power dissipation is 1500 W with a 10/1000 μs waveform.
- What is the operating junction and storage temperature range of the SM15T18AHE3_A/I?
The operating junction and storage temperature range is -65 to +150 °C.
- Is the SM15T18AHE3_A/I suitable for automotive applications?
- What package type is the SM15T18AHE3_A/I available in?
The SM15T18AHE3_A/I is available in the SMC (DO-214AB) package.
- What are the key features of the SM15T18AHE3_A/I?
Key features include low profile package, glass passivated chip junction, high peak pulse power capability, excellent clamping capability, and low inductance.
- What are the typical applications of the SM15T18AHE3_A/I?
Typical applications include consumer electronics, computer systems, industrial control systems, automotive systems, and telecommunication systems.
- What is the peak forward surge current of the SM15T18AHE3_A/I?
The peak forward surge current is 200 A for a 10 ms single half sine-wave.
- Does the SM15T18AHE3_A/I meet any specific environmental standards?
- What is the failure mode of the SM15T18AHE3_A/I in an overstress condition?
The failure mode is a short circuit in an overstress condition.
