Overview
The SM15T39AHE3/57T is a transient voltage suppressor (TVS) diode from Vishay General Semiconductor - Diodes Division. This component is designed to protect sensitive electronics from voltage transients induced by inductive load switching, lightning, and other transient events. It is part of the SM15T series, which is known for its high reliability and robust protection capabilities.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Voltage - Reverse Standoff (Typ) | VWM | 33.3 | V |
| Voltage - Breakdown (Typ) | VBR | 37.5 | V |
| Peak Pulse Power Capability | PPPM | 1500 | W |
| Peak Pulse Current (10/1000 μs) | IPPM | 28 | A |
| Maximum Clamping Voltage (10/1000 μs) | VC | 53.9 | V |
| Power Dissipation on Infinite Heatsink | PD | 6.5 | W |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 | °C |
| Package | SMC (DO-214AB) |
Key Features
- Low profile package ideal for automated placement.
- Glass passivated chip junction for high reliability.
- Available in unidirectional and bidirectional configurations.
- 1500 W peak pulse power capability with a 10/1000 μs waveform.
- Excellent clamping capability and low inductance.
- Meets MSL level 1, per J-STD-020, with a maximum peak of 260 °C.
- AEC-Q101 qualified for automotive applications.
- RoHS-compliant and halogen-free options available.
- Matte tin plated leads, solderable per J-STD-002 and JESD 22-B102.
Applications
The SM15T39AHE3/57T is used in various applications to protect sensitive electronics against voltage transients. These include:
- Consumer electronics
- Computer systems
- Industrial control systems
- Automotive systems (AEC-Q101 qualified)
- Telecommunication equipment
- Protection of ICs, MOSFETs, and signal lines of sensor units.
Q & A
- What is the peak pulse power capability of the SM15T39AHE3/57T?
The peak pulse power capability is 1500 W with a 10/1000 μs waveform.
- What is the typical reverse standoff voltage (VWM) for this component?
The typical reverse standoff voltage (VWM) is 33.3 V.
- Is the SM15T39AHE3/57T AEC-Q101 qualified?
- What is the package type of the SM15T39AHE3/57T?
The package type is SMC (DO-214AB).
- What are the operating and storage temperature ranges for this component?
The operating and storage temperature ranges are -65 to +150 °C.
- Is the SM15T39AHE3/57T RoHS-compliant and halogen-free?
- What is the maximum clamping voltage (VC) for this component?
The maximum clamping voltage (VC) is 53.9 V.
- What are the typical applications of the SM15T39AHE3/57T?
Typical applications include protection in consumer electronics, computer systems, industrial control systems, automotive systems, and telecommunication equipment.
- What is the power dissipation on an infinite heatsink for this component?
The power dissipation on an infinite heatsink is 6.5 W.
- What is the peak pulse current (IPPM) for the SM15T39AHE3/57T?
The peak pulse current (IPPM) is 28 A.
