Overview
The SM15T30CAHE3/9AT is a Transient Voltage Suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the SM15T series, designed to protect sensitive electronics from voltage transients induced by inductive load switching and lightning. The SM15T30CAHE3/9AT is known for its high reliability and robust protection capabilities, making it suitable for a wide range of applications across various industries.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Clamp Voltage Vc | 41.5 | V |
| Package/Enclosure | DO-214AB (SMC) | |
| Working Temperature | -65°C to 150°C (TJ) | |
| Reverse Breakdown Voltage Vbr | 28.5 | V |
| Reverse Working Voltage Vrwm | 25.6 | V |
| Peak Pulse Current Ipp | 36 | A |
| Peak Pulse Power Ppp | 1500 W (1.5 kW) | |
| Power Dissipation on Infinite Heatsink at TA = 50°C | 6.5 | W |
| Peak Forward Surge Current (10 ms single half sine-wave) | 200 | A |
| Operating Junction and Storage Temperature Range | -65°C to +150°C |
Key Features
- Low profile package ideal for automated placement
- Glass passivated chip junction
- Available in unidirectional and bidirectional configurations
- 1500 W peak pulse power capability with a 10/1000 μs waveform
- Excellent clamping capability
- Low inductance
- Meets MSL level 1, per J-STD-020, LF maximum peak of 260 °C
- AEC-Q101 qualified for automotive applications
Applications
The SM15T30CAHE3/9AT is used in various applications to protect sensitive electronics against voltage transients. These include:
- Consumer electronics
- Computer systems
- Industrial equipment
- Automotive systems
- Telecommunication devices
- Protection of ICs, MOSFETs, and signal lines of sensor units
Q & A
- What is the primary function of the SM15T30CAHE3/9AT TVS diode?
The primary function is to protect sensitive electronics from voltage transients induced by inductive load switching and lightning. - What is the clamp voltage of the SM15T30CAHE3/9AT?
The clamp voltage is 41.5 V. - What is the package type of the SM15T30CAHE3/9AT?
The package type is DO-214AB (SMC). - What is the working temperature range of the SM15T30CAHE3/9AT?
The working temperature range is -65°C to 150°C (TJ). - What is the peak pulse power capability of the SM15T30CAHE3/9AT?
The peak pulse power capability is 1500 W with a 10/1000 μs waveform. - Is the SM15T30CAHE3/9AT AEC-Q101 qualified?
Yes, it is AEC-Q101 qualified for automotive applications. - What are the typical applications of the SM15T30CAHE3/9AT?
Typical applications include consumer electronics, computer systems, industrial equipment, automotive systems, and telecommunication devices. - What is the peak forward surge current rating of the SM15T30CAHE3/9AT?
The peak forward surge current rating is 200 A for a 10 ms single half sine-wave. - Does the SM15T30CAHE3/9AT meet any specific moisture sensitivity levels?
Yes, it meets MSL level 1, per J-STD-020, with an LF maximum peak of 260 °C. - What is the failure mode of the SM15T30CAHE3/9AT in an overstress condition?
In an overstress condition, the failure mode is a short circuit.
