Overview
The SM15T30CAHM3/H is a transient voltage suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This component is designed to protect sensitive electronics from voltage transients induced by inductive load switching and lightning. It is part of the SM15T series, known for its high reliability and robust protection capabilities.
Key Specifications
| Parameter | Value |
|---|---|
| Type | Zener, Unidirectional |
| Unidirectional Channels | 1 |
| Voltage - Reverse Standoff (Typ) | 25.6V |
| Voltage - Breakdown (Min) | 28.5V |
| Voltage - Clamping (Max) @ Ipp | 41.5V |
| Current - Peak Pulse (10/1000µs) | 36A |
| Power - Peak Pulse | 1500W (1.5kW) |
| Operating Temperature | -65°C ~ 150°C (TJ) |
| 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 excellent protection against transient voltages.
- Low Inductance: Minimizes the impact of inductive effects in high-frequency applications.
- AEC-Q101 Qualified: Suitable for automotive applications, ensuring high reliability and performance under stringent conditions.
- Wide Operating Temperature Range: From -65°C to 150°C, making it versatile for various environmental conditions.
- Glass Passivated Chip Junction: Enhances the diode's durability and stability.
Applications
The SM15T30CAHM3/H TVS diode is used in a variety of applications to protect sensitive electronics from voltage transients. These include:
- Automotive Systems: Protects against transients in automotive electrical systems.
- Industrial Equipment: Safeguards industrial control systems and machinery from voltage spikes.
- Consumer Electronics: Protects ICs, MOSFETs, and signal lines in consumer devices.
- Telecommunication Systems: Ensures reliable operation in telecommunication equipment by protecting against transient voltages.
- Computer Systems: Provides protection for computer hardware against power surges and transients.
Q & A
- What is the primary function of the SM15T30CAHM3/H 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 SM15T30CAHM3/H?
The peak pulse power capability is 1500 W with a 10/1000 μs waveform. - What is the operating temperature range of the SM15T30CAHM3/H?
The operating temperature range is from -65°C to 150°C (TJ). - Is the SM15T30CAHM3/H qualified for automotive use?
Yes, it is AEC-Q101 qualified, making it suitable for automotive applications. - What package type does the SM15T30CAHM3/H come in?
The SM15T30CAHM3/H comes in a DO-214AB (SMC) package. - What is the voltage clamping capability of the SM15T30CAHM3/H?
The maximum voltage clamping capability is 41.5V at the peak pulse current (Ipp). - What are the typical applications of the SM15T30CAHM3/H?
Typical applications include protection in automotive, industrial, consumer electronics, computer systems, and telecommunication equipment. - Does the SM15T30CAHM3/H have low inductance?
Yes, it has low inductance, which is beneficial for high-frequency applications. - Is the SM15T30CAHM3/H suitable for automated placement?
Yes, it is designed with a low profile package that is ideal for automated placement. - What is the junction capacitance of the SM15T30CAHM3/H?
The junction capacitance is typically measured at zero bias and stand-off voltage, but specific values can be found in the detailed datasheet.
