Overview
The SM15T39A-E3/9AT is a Transient Voltage Suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the SM15T series, designed to provide protection against voltage transients in various electronic systems. The SM15T39A-E3/9AT is housed in a DO-214AB (SMCJ) package, making it suitable for surface mount applications. It is particularly useful in protecting sensitive electronics from voltage spikes induced by inductive load switching, lightning, and other transient events.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Reverse Stand-Off Voltage (VWM) | VWM | 33.3 | V |
| Breakdown Voltage (VBR) | VBR | 37.1 - 41.9 | V |
| Peak Pulse Power (PPP) | PPP | 1500 | W |
| Peak Pulse Current (IPP) | IPP | See datasheet for specific values | A |
| Maximum Clamping Voltage (VC) | VC | 53.9 | V |
| Power Dissipation | PD | 6.5 | W |
| Peak Forward Surge Current (IFSM) | IFSM | 200 | A |
| Operating Junction Temperature | TJ | -65 to +150 | °C |
| Package Type | DO-214AB (SMCJ) | ||
| MSL Level | MSL 1 |
Key Features
- Low Profile Package: The SM15T39A-E3/9AT is housed in a DO-214AB (SMCJ) package, ideal for automated placement and space-saving designs.
- High Peak Pulse Power Capability: The device can handle up to 1500 W of peak pulse power with a 10/1000 μs waveform.
- Excellent Clamping Capability: It provides effective clamping of transient voltages, protecting sensitive electronics.
- Low Inductance: Designed to minimize inductance, ensuring better performance in high-frequency applications.
- AEC-Q101 Qualified: Available with automotive ordering codes, making it suitable for automotive applications.
- Glass Passivated Chip Junction: Enhances reliability and durability.
- Available in Unidirectional and Bidirectional Configurations: Offers flexibility in design and application.
Applications
The SM15T39A-E3/9AT is used in various applications to protect against voltage transients, including:
- Sensitive electronics in consumer devices.
- Computer and 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 SM15T39A-E3/9AT?
The primary function is to protect sensitive electronics from voltage transients and spikes.
- What is the peak pulse power capability of the SM15T39A-E3/9AT?
It can handle up to 1500 W of peak pulse power with a 10/1000 μs waveform.
- What package type is the SM15T39A-E3/9AT housed in?
The device is housed in a DO-214AB (SMCJ) package.
- What is the maximum operating junction temperature of the SM15T39A-E3/9AT?
The maximum operating junction temperature is 150 °C.
- Is the SM15T39A-E3/9AT AEC-Q101 qualified?
- What are the typical applications of the SM15T39A-E3/9AT?
It is used in consumer devices, computer and industrial equipment, automotive systems, and telecommunication devices.
- What is the reverse stand-off voltage (VWM) of the SM15T39A-E3/9AT?
The reverse stand-off voltage (VWM) is 33.3 V.
- What is the maximum clamping voltage (VC) of the SM15T39A-E3/9AT?
The maximum clamping voltage (VC) is 53.9 V.
- Is the SM15T39A-E3/9AT suitable for automated placement?
- What is the MSL level of the SM15T39A-E3/9AT?
The MSL level is 1.
