Overview
The SM15T33CAHM3_A/I is a transient voltage suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the SM15T series, which is designed to provide protection against voltage transients induced by inductive load switching and lightning. The SM15T33CAHM3_A/I is particularly suited for sensitive electronics in various industries, including consumer, computer, industrial, automotive, and telecommunications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Type | Zener | |
| Bidirectional Channels | 1 | |
| Voltage - Reverse Standoff (Typ) | 28.2 | V |
| Voltage - Breakdown (Min) | 31.4 | V |
| Voltage - Clamping (Max) @ Ipp | 45.7 | V |
| Current - Peak Pulse (10/1000µs) | 33 | A |
| Power - Peak Pulse | 1500 | W |
| Operating Temperature | -65°C to 150°C | |
| Qualification | AEC-Q101 | |
| Mounting Type | Surface Mount | |
| Package/Case | DO-214AB, SMC |
Key Features
- Low Profile Package: Ideal for automated placement and space-saving designs.
- High Peak Pulse Power Capability: 1500 W with a 10/1000 μs waveform, providing robust protection against transients.
- Excellent Clamping Capability: Effective in clamping voltage spikes to a safe level.
- Low Inductance: Minimizes the impact of inductive effects in high-frequency applications.
- AEC-Q101 Qualified: Suitable for automotive applications, ensuring high reliability and performance.
- Glass Passivated Chip Junction: Enhances the component's durability and reliability.
Applications
The SM15T33CAHM3_A/I TVS diode is used in a variety of applications to protect sensitive electronics from voltage transients. These include:
- Automotive Systems: Protection against load dump and other transient events in automotive electronics.
- Consumer Electronics: Protection of ICs, MOSFETs, and signal lines in consumer devices.
- Industrial Equipment: Protection against transients induced by inductive load switching and industrial motors.
- Telecommunications: Protection of sensitive electronics in telecommunications equipment.
- Computing: Protection of ICs and signal lines in computing hardware.
Q & A
- What is the primary function of the SM15T33CAHM3_A/I TVS diode?
The primary function is to protect sensitive electronics from voltage transients induced by inductive load switching and lightning. - What is the peak pulse power capability of the SM15T33CAHM3_A/I?
The peak pulse power capability is 1500 W with a 10/1000 μs waveform. - What is the operating temperature range of the SM15T33CAHM3_A/I?
The operating temperature range is -65°C to 150°C. - Is the SM15T33CAHM3_A/I qualified for automotive applications?
Yes, it is AEC-Q101 qualified, making it suitable for automotive applications. - What type of package does the SM15T33CAHM3_A/I use?
The component uses a DO-214AB (SMC) surface-mount package. - What is the maximum clamping voltage of the SM15T33CAHM3_A/I?
The maximum clamping voltage is 45.7 V at Ipp. - What are the typical applications of the SM15T series?
Typical applications include protection of ICs, MOSFETs, and signal lines in consumer, computer, industrial, automotive, and telecommunications equipment. - Does the SM15T33CAHM3_A/I have low inductance?
Yes, it has low inductance, which is beneficial in high-frequency applications. - How is the SM15T33CAHM3_A/I qualified in terms of moisture sensitivity?
It meets MSL level 1, per J-STD-020, with a maximum peak of 260 °C. - What is the failure mode of the SM15T33CAHM3_A/I in an overstress condition?
In an overstress condition, the failure mode is a short circuit.
