Overview
The SM15T18CAHM3_A/H is a transient voltage suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the SM15T series, known as TransZorb® TVS diodes, which are designed to protect sensitive electronics from voltage transients induced by inductive load switching and lightning strikes. The SM15T18CAHM3_A/H is particularly suited for automotive applications due to its AEC-Q101 qualification.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Mfr | Vishay General Semiconductor - Diodes Division | Series | SM15T, TransZorb® |
| Product Status | Active | Type | Zener (Bidirectional) |
| Bidirectional Channels | 1 | Voltage - Reverse Standoff (Typ) | 15.3V |
| Voltage - Breakdown (Min) | 17.1V | Voltage - Clamping (Max) @ Ipp | 25.2V |
| Current - Peak Pulse (10/1000µs) | 59.5A | Power - Peak Pulse | 1500W (1.5kW) |
| Operating Temperature | -65°C ~ 150°C (TJ) | Grade | Automotive |
| Qualification | AEC-Q101 | Mounting Type | Surface Mount |
Key Features
- Transient Voltage Suppression: Protects against voltage transients induced by inductive load switching and lightning strikes.
- Bidirectional Protection: Offers protection in both forward and reverse directions.
- High Peak Pulse Power: Capable of handling up to 1500W of peak pulse power.
- Automotive Grade: Qualified to AEC-Q101 standards, making it suitable for automotive applications.
- Wide Operating Temperature Range: Operates from -65°C to 150°C.
- Surface Mount Package: SMC (DO-214AB) package for easy integration into surface mount designs.
Applications
- Automotive Systems: Suitable for use in various automotive electronic systems due to its AEC-Q101 qualification.
- Industrial Electronics: Protects sensitive electronics in industrial environments from voltage transients.
- Consumer Electronics: Used in consumer devices to ensure protection against voltage spikes and surges.
- Sensor Units and ICs: Protects signal lines of sensor units and integrated circuits from transient voltages.
- MOSFET Protection: Safeguards MOSFETs from voltage transients during inductive load switching.
Q & A
- What is the primary function of the SM15T18CAHM3_A/H diode?
The primary function is to protect sensitive electronics from voltage transients induced by inductive load switching and lightning strikes.
- What is the voltage breakdown minimum for this diode?
The voltage breakdown minimum is 17.1V.
- What is the peak pulse power handling capability of this diode?
The diode can handle up to 1500W of peak pulse power.
- What is the operating temperature range for the SM15T18CAHM3_A/H?
The operating temperature range is from -65°C to 150°C.
- Is the SM15T18CAHM3_A/H qualified for automotive use?
Yes, it is qualified to AEC-Q101 standards, making it suitable for automotive applications.
- What type of package does the SM15T18CAHM3_A/H use?
The diode is packaged in an SMC (DO-214AB) surface mount package.
- What is the maximum clamping voltage for this diode?
The maximum clamping voltage is 25.2V.
- Is the SM15T18CAHM3_A/H RoHS-compliant?
Yes, the diode is RoHS-compliant with exemptions.
- What is the peak pulse current rating for the SM15T18CAHM3_A/H?
The peak pulse current rating is 59.5A.
- Can the SM15T18CAHM3_A/H be used in industrial and consumer electronics?
Yes, it can be used in both industrial and consumer electronics to protect against voltage transients.
