Overview
The SM6T18CAHM3/H is a transient voltage suppressor (TVS) diode from Vishay General Semiconductor - Diodes Division. This component is part of the SM6T series, known as TRANSZORB® devices, which are designed to protect sensitive electronics from voltage transients induced by inductive load switching and lightning.
It is available in a surface-mount SMB (DO-214AA) package, making it ideal for automated placement in various electronic systems. The SM6T18CAHM3/H is AEC-Q101 qualified, ensuring its suitability for automotive applications, and is also RoHS-compliant and halogen-free.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Reverse Standoff (Typ) | 15.3 | V |
| Voltage - Breakdown (Min) | 17.1 | V |
| Voltage - Clamping (Max) @ Ipp | 25.2 | V |
| Current - Peak Pulse (10/1000µs) | 24 | A |
| Power - Peak Pulse | 600 | W |
| Operating Temperature | -65°C to 150°C (TJ) | °C |
| Package / Case | DO-214AA (SMB) | |
| Polarity | Bidirectional | |
| Thermal Resistance, Junction to Ambient Air | 100 | °C/W |
Key Features
- Low profile SMB (DO-214AA) package, ideal for automated placement.
- Glass passivated chip junction for enhanced reliability.
- Low inductance design.
- Meets MSL level 1, per J-STD-020, with a maximum peak of 260 °C.
- AEC-Q101 qualified for automotive applications.
- RoHS-compliant and halogen-free.
- Molding compound meets UL 94 V-0 flammability rating.
- Terminals are matte tin plated, solderable per J-STD-002 and JESD 22-B102.
Applications
The SM6T18CAHM3/H is used in various applications to protect sensitive electronics against voltage transients. These include:
- Automotive systems
- Consumer electronics
- Computer and industrial equipment
- Telecommunication devices
- Protection of ICs, MOSFETs, and signal lines of sensor units.
Q & A
- What is the primary function of the SM6T18CAHM3/H?
The primary function is to protect sensitive electronics from voltage transients induced by inductive load switching and lightning.
- What package type does the SM6T18CAHM3/H come in?
The component comes in a surface-mount SMB (DO-214AA) package.
- Is the SM6T18CAHM3/H suitable for automotive applications?
- What is the peak pulse power rating of the SM6T18CAHM3/H?
The peak pulse power rating is 600 W.
- What is the operating temperature range of the SM6T18CAHM3/H?
The operating temperature range is -65°C to 150°C (TJ).
- Is the SM6T18CAHM3/H RoHS-compliant and halogen-free?
- What is the thermal resistance, junction to ambient air, of the SM6T18CAHM3/H?
The thermal resistance, junction to ambient air, is 100 °C/W.
- What are the typical applications of the SM6T18CAHM3/H?
Typical applications include protection of ICs, MOSFETs, and signal lines of sensor units in automotive, consumer, computer, industrial, and telecommunication systems.
- Does the SM6T18CAHM3/H meet any specific industry standards?
- What is the polarity of the SM6T18CAHM3/H?
The SM6T18CAHM3/H is a bidirectional TVS diode.
