Overview
The SM15T18CAHM3/H is a 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 various electronic systems. The SM15T18CAHM3/H is particularly suited for applications requiring high peak pulse power capability and excellent clamping characteristics.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak Pulse Power Dissipation (10/1000 μs waveform) | PPPM | 1500 | W |
| Peak Pulse Current (10/1000 μs waveform) | IPPM | 59.5 | A |
| Reverse Stand-Off Voltage (VWM) | VWM | 15.3 | V |
| Breakdown Voltage (VBR) | VBR | 17.1 - 18.9 | V |
| Clamping Voltage (VC) at IPPM (10/1000 μs) | VC | 25.2 | V |
| 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 Type | DO-214AB (SMC) |
Key Features
- Low Profile Package: Ideal for automated placement and space-saving designs.
- Glass Passivated Chip Junction: Ensures reliable and stable operation.
- 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 effects.
- AEC-Q101 Qualified: Suitable for automotive applications.
- RoHS Compliant and Halogen-Free: Meets environmental and safety standards.
Applications
The SM15T18CAHM3/H is used in various applications to protect sensitive electronics against voltage transients, including:
- Inductive load switching and lightning-induced transients.
- Protection of ICs, MOSFETs, and signal lines in consumer, computer, industrial, automotive, and telecommunication systems.
Q & A
- What is the peak pulse power dissipation of the SM15T18CAHM3/H?
1500 W with a 10/1000 μs waveform.
- What is the reverse stand-off voltage (VWM) of this component?
15.3 V.
- What is the clamping voltage (VC) at IPPM for this diode?
25.2 V.
- What is the operating junction and storage temperature range?
-65 to +150 °C.
- Is the SM15T18CAHM3/H AEC-Q101 qualified?
- What package type does the SM15T18CAHM3/H use?
DO-214AB (SMC).
- What is the peak forward surge current rating?
200 A for 10 ms single half sine-wave.
- Is the SM15T18CAHM3/H RoHS compliant and halogen-free?
- What are the typical applications of the SM15T18CAHM3/H?
Protection against voltage transients in consumer, computer, industrial, automotive, and telecommunication systems.
- What is the power dissipation on an infinite heatsink at TA = 50 °C?
6.5 W.
