Overview
The SM15T33AHM3/I 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 SM15T33AHM3/I is particularly suited for applications requiring high peak pulse power capability and excellent clamping characteristics.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak Pulse Power Dissipation (10/1000 μs waveform) | PPPM | 1500 | W |
| Peak Pulse Current (10/1000 μs waveform) | IPPM | 33 | A |
| Reverse Stand-Off Voltage | VWM | 37.5 | V |
| Breakdown Voltage (VBR) | VBR | 45.7 | V |
| Clamping Voltage (VC) at IPPM (10/1000 μs) | VC | 53.9 | V |
| Power Dissipation on Infinite Heatsink at TA = 50 °C | PD | 6.5 | W |
| Peak Forward Surge Current (10 ms single half sine-wave) | IFSM | 200 | A |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 | °C |
| Package Type | DO-214AB (SMC) |
Key Features
- Low Profile Package: Ideal for space-constrained applications and automated placement.
- High Peak Pulse Power Capability: 1500 W with a 10/1000 μs waveform.
- Excellent Clamping Capability: Effective in protecting against voltage transients.
- Low Inductance: Minimizes the impact of inductive effects.
- AEC-Q101 Qualified: Available for automotive applications with the ordering code HE3 or HM3.
- Meets MSL Level 1: Per J-STD-020, with a maximum peak of 260 °C.
- Available in Unidirectional and Bidirectional Configurations: Versatile for various application needs.
Applications
The SM15T33AHM3/I is used in sensitive electronics to protect against voltage transients induced by inductive load switching and lightning. Typical applications include:
- Consumer electronics
- Computer systems
- Industrial control systems
- Automotive systems
- Telecommunication equipment
- Protection of ICs, MOSFETs, and signal lines of sensor units.
Q & A
- What is the peak pulse power dissipation of the SM15T33AHM3/I?
The peak pulse power dissipation is 1500 W with a 10/1000 μs waveform.
- What is the maximum operating junction temperature for this component?
The maximum operating junction temperature is 150 °C.
- What package type is used for the SM15T33AHM3/I?
The package type is DO-214AB (SMC).
- Is the SM15T33AHM3/I AEC-Q101 qualified?
- What is the clamping voltage at IPPM (10/1000 μs) for this diode?
The clamping voltage at IPPM (10/1000 μs) is 53.9 V.
- What are the typical applications of the SM15T33AHM3/I?
Typical applications include protection in consumer electronics, computer systems, industrial control systems, automotive systems, and telecommunication equipment.
- What is the reverse stand-off voltage (VWM) of the SM15T33AHM3/I?
The reverse stand-off voltage (VWM) is 37.5 V.
- Does the SM15T33AHM3/I meet MSL level 1?
- What is the peak forward surge current rating for this diode?
The peak forward surge current rating is 200 A for a 10 ms single half sine-wave.
- Is the SM15T33AHM3/I available in both unidirectional and bidirectional configurations?
