Overview
The SM15T30AHM3/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 protect sensitive electronics from voltage transients induced by inductive load switching and lightning. The SM15T30AHM3/I is particularly suited for applications in consumer, computer, industrial, automotive, and telecommunication sectors.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Power Dissipation (10/1000 μs waveform) | 1500 | W |
| Peak Pulse Current (10/1000 μs waveform) | 36 | A |
| Clamping Voltage (VC) at IPPM (10/1000 μs) | 41.5 | V |
| Reverse Stand-Off Voltage (VWM) | 30.3 to 33.7 | V |
| Maximum Reverse Leakage at VWM (ID) | 1.0 | μA |
| Operating Junction and Storage Temperature Range (TJ, TSTG) | -65 to +150 | °C |
| Package Type | Surface Mount DO-214AB (SMC) | |
| Polarity | Unidirectional |
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 protect sensitive electronics.
- Low Inductance: Minimizes the impact of inductive loads on the component.
- AEC-Q101 Qualified: Suitable for automotive applications, ensuring reliability and performance under stringent conditions.
- Glass Passivated Chip Junction: Enhances reliability and durability.
- Meets MSL Level 1, per J-STD-020: Ensures compatibility with various manufacturing processes.
Applications
The SM15T30AHM3/I TVS diode is used in a variety of applications to protect against voltage transients, including:
- Automotive Systems: Protection from load dump and other transient events in automotive electronics.
- Consumer Electronics: Protection of sensitive components in consumer devices from voltage spikes.
- Industrial Equipment: Protection against transients induced by large coils or industrial motors.
- Telecommunication Equipment: Protection of signal lines and sensitive electronics from transient voltages.
- Computer Systems: Protection of ICs, MOSFETs, and other sensitive components from voltage transients.
Q & A
- What is the peak pulse power dissipation of the SM15T30AHM3/I?
The peak pulse power dissipation is 1500 W with a 10/1000 μs waveform. - What is the clamping voltage of the SM15T30AHM3/I?
The clamping voltage (VC) at IPPM (10/1000 μs) is 41.5 V. - What is the package type of the SM15T30AHM3/I?
The package type is Surface Mount DO-214AB (SMC). - Is the SM15T30AHM3/I AEC-Q101 qualified?
Yes, it is AEC-Q101 qualified, making it suitable for automotive applications. - What is the operating junction and storage temperature range of the SM15T30AHM3/I?
The operating junction and storage temperature range is -65 to +150 °C. - What are the primary applications of the SM15T30AHM3/I?
The primary applications include protection in automotive, consumer electronics, industrial equipment, telecommunication equipment, and computer systems. - What is the maximum reverse leakage at VWM for the SM15T30AHM3/I?
The maximum reverse leakage at VWM is 1.0 μA. - Does the SM15T30AHM3/I meet MSL Level 1, per J-STD-020?
Yes, it meets MSL Level 1, per J-STD-020. - What is the peak forward surge current for the SM15T30AHM3/I?
The peak forward surge current is 200 A for a 10 ms single half sine-wave. - Is the SM15T30AHM3/I available in both unidirectional and bidirectional configurations?
No, the SM15T30AHM3/I is specifically a unidirectional TVS diode.
