Overview
The SM15T18CAHE3_A/H 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 in sensitive electronic circuits. It is particularly useful in applications where protection against inductive load switching and lightning-induced transients is crucial.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Working Voltage | VWM | 15.3 | V |
| Breakdown Voltage (Unidirectional) | VBR | 17.1 - 18.9 | 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 | 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) | ||
| Termination Style | SMD/SMT |
Key Features
- Low Profile Package: Ideal for space-constrained applications and automated placement.
- Glass Passivated Chip Junction: Ensures high reliability and stability.
- Available in Unidirectional and Bidirectional Configurations: Flexible options for different application needs.
- High Peak Pulse Power Capability: 1500 W peak pulse power dissipation with a 10/1000 μs waveform.
- Excellent Clamping Capability: Effective in protecting against voltage transients.
- Low Inductance: Minimizes the impact of inductive switching transients.
- AEC-Q101 Qualified: Suitable for automotive applications.
- RoHS-Compliant and Halogen-Free: Meets environmental and safety standards.
Applications
The SM15T18CAHE3_A/H is used in various applications requiring protection against voltage transients, including:
- 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 SM15T18CAHE3_A/H?
The primary function is to protect sensitive electronic circuits against voltage transients induced by inductive load switching and lightning.
- What is the peak pulse power dissipation of the SM15T18CAHE3_A/H?
The peak pulse power dissipation is 1500 W with a 10/1000 μs waveform.
- What are the operating temperature ranges for this component?
The operating junction and storage temperature range is -65 to +150 °C.
- Is the SM15T18CAHE3_A/H AEC-Q101 qualified?
- What type of package does the SM15T18CAHE3_A/H use?
The component uses an SMC (DO-214AB) package.
- Is the SM15T18CAHE3_A/H RoHS-compliant and halogen-free?
- What are the typical applications of the SM15T18CAHE3_A/H?
Typical applications include consumer electronics, computer systems, industrial control systems, automotive systems, and telecommunication equipment.
- What is the clamping voltage of the SM15T18CAHE3_A/H?
The clamping voltage at IPPM (10/1000 μs) is 32.5 V.
- What is the power dissipation on an infinite heatsink for this component?
The power dissipation on an infinite heatsink at TA = 50 °C is 6.5 W.
- What is the failure mode of the SM15T18CAHE3_A/H in an overstress condition?
In an overstress condition, the failure mode is a short circuit.
