Overview
The SM15T18AHE3_A/H is a transient voltage suppressor (TVS) diode from 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 where protection against inductive load switching and lightning-induced surges is crucial.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Working Voltage | VWM | 15.3 | V |
| Breakdown Voltage (Unidirectional) | VBR | 17.1 | V |
| Clamping Voltage at IPPM (10/1000 μs) | VC | 32.5 | V |
| Peak Pulse Power Dissipation (10/1000 μs waveform) | PPPM | 1500 | W |
| Peak Pulse Current (10/1000 μs waveform) | IPPM | 85.5 | A |
| Power Dissipation on Infinite Heatsink at TA = 50 °C | PD | 6.5 | W |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 | °C |
| Package Type | SMC (DO-214AB) |
Key Features
- Low Profile Package: Ideal for automated placement and space-saving designs.
- Glass Passivated Chip Junction: Ensures high reliability and stability.
- Available in Unidirectional and Bidirectional Configurations: Offers flexibility for various 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 interference and ensures efficient operation.
- 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/H is used in a variety of applications to protect sensitive electronics against voltage transients. These include:
- Consumer electronics
- Computer systems
- Industrial control systems
- Automotive systems
- Telecommunication equipment
- Protection of ICs, MOSFETs, and signal lines of sensor units
Q & A
- What is the primary function of the SM15T18AHE3_A/H TVS diode?
The primary function is to protect sensitive electronics against voltage transients induced by inductive load switching and lightning.
- What is the peak pulse power dissipation of the SM15T18AHE3_A/H?
The peak pulse power dissipation 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 SM15T18AHE3_A/H suitable for automotive applications?
- What package type does the SM15T18AHE3_A/H come in?
The component comes in an SMC (DO-214AB) package.
- What is the clamping voltage at IPPM (10/1000 μs) for this diode?
The clamping voltage at IPPM (10/1000 μs) is 32.5 V.
- What is the peak pulse current (IPPM) for the SM15T18AHE3_A/H?
The peak pulse current (IPPM) is 85.5 A.
- Does the SM15T18AHE3_A/H meet any specific moisture sensitivity levels?
- What are some typical applications for the SM15T18AHE3_A/H?
Typical applications include consumer electronics, computer systems, industrial control systems, automotive systems, and telecommunication equipment.
- What is the failure mode of the SM15T18AHE3_A/H in an overstress condition?
In an overstress condition, the failure mode is a short circuit.
