Overview
The SM15T6V8CA-E3/9AT is a surface mount transient voltage suppressor (TVS) diode from Vishay General Semiconductor - Diodes Division. This component is part of the SM15T series, designed to provide protection against voltage transients in various electronic systems. It is particularly useful in applications where sensitive electronics need protection from voltage spikes induced by inductive load switching, lightning, and other transient events.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Breakdown Voltage | VBR | 6.45 - 7.14 | V |
| Peak Pulse Power Dissipation (10/1000 μs waveform) | PPPM | 1500 | W |
| Peak Pulse Current (10/1000 μs waveform) | IPPM | 746 | A |
| Power Dissipation on Infinite Heatsink at TA = 50 °C | PD | 6.5 | W |
| Peak Forward Surge Current (10 ms single half sine-wave, unidirectional only) | IFSM | 200 | A |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 | °C |
| Package | DO-214AB (SMC) | ||
| Polarity | Unidirectional |
Key Features
- Low profile package ideal for automated placement
- Glass passivated chip junction for reliability
- Available in unidirectional and bidirectional configurations
- 1500 W peak pulse power capability with a 10/1000 μs waveform
- Excellent clamping capability to protect against voltage transients
- Low inductance design
- Meets MSL level 1, per J-STD-020, with a maximum peak of 260 °C
- AEC-Q101 qualified for automotive applications (with appropriate ordering code)
- RoHS-compliant and halogen-free options available
Applications
The SM15T6V8CA-E3/9AT is used in various applications to protect sensitive electronics against voltage transients. These include:
- Protection against voltage transients induced by inductive load switching and lightning in ICs, MOSFETs, and signal lines of sensor units.
- Consumer electronics
- Computer systems
- Industrial equipment
- Automotive systems
- Telecommunication devices
Q & A
- What is the primary function of the SM15T6V8CA-E3/9AT?
The primary function is to protect sensitive electronics from voltage transients induced by inductive load switching, lightning, and other transient events.
- What is the peak pulse power dissipation of the SM15T6V8CA-E3/9AT?
The peak pulse power dissipation is 1500 W with a 10/1000 μs waveform.
- What is the package type of the SM15T6V8CA-E3/9AT?
The package type is DO-214AB (SMC).
- Is the SM15T6V8CA-E3/9AT RoHS-compliant?
- What are the operating junction and storage temperature ranges for this component?
The operating junction and storage temperature ranges are -65 to +150 °C.
- Does the SM15T6V8CA-E3/9AT meet any specific automotive standards?
- What is the peak forward surge current rating for this component?
The peak forward surge current rating is 200 A for a 10 ms single half sine-wave, applicable to unidirectional types only.
- What are the typical applications of the SM15T6V8CA-E3/9AT?
Typical applications include protection in consumer electronics, computer systems, industrial equipment, automotive systems, and telecommunication devices.
- Does the SM15T6V8CA-E3/9AT have low inductance?
- How is the polarity indicated for unidirectional types of this component?
The polarity for unidirectional types is indicated by a band denoting the cathode end.
