Overview
The SM15T22AHE3_A/I is a transient voltage suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the SM15T series, which is designed to provide high overvoltage protection through clamping action. The SM15T22AHE3_A/I is particularly suited for protecting sensitive electronics against voltage transients induced by inductive load switching and lightning.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Reverse Stand-Off Voltage (VWM) | VWM | 22 V | V |
| Breakdown Voltage (VBR) | VBR | 24.7 V to 27.3 V | V |
| Peak Pulse Power Dissipation (PPPM) | PPPM | 1500 W | W |
| Peak Pulse Current (IPPM) | IPPM | See datasheet for specific values | A |
| Power Dissipation on Infinite Heatsink | PD | 6.5 W | W |
| Peak Forward Surge Current (IFSM) | IFSM | 200 A (10 ms single half sine-wave) | A |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 °C | °C |
| Package | SMC (DO-214AB) | ||
| Polarity | Unidirectional |
Key Features
- Low Profile Package: Ideal for automated placement and space-saving designs.
- High Overvoltage Protection: Provides 1500 W peak pulse power capability with a 10/1000 μs waveform.
- Excellent Clamping Capability: Effective in clamping voltage transients to protect sensitive electronics.
- Low Inductance: Enhances performance in high-frequency applications.
- AEC-Q101 Qualified: Available with automotive ordering codes (HE3 or HM3) for reliability in automotive systems.
- RoHS-Compliant and Halogen-Free: Meets environmental standards and is suitable for commercial and industrial applications.
- High Temperature Rating: Operating junction temperature up to 150 °C.
Applications
- Automotive Systems: Protection against voltage transients in electronic control units (ECUs), sensor units, and other automotive electronics.
- Consumer Electronics: Protection of sensitive electronics in consumer devices against voltage spikes and transients.
- Industrial and Telecommunication Equipment: Protection against transients induced by inductive load switching and lightning.
- Computing and Data Centers: Protection of server and data center equipment from voltage transients.
Q & A
- What is the primary function of the SM15T22AHE3_A/I diode?
The primary function is to provide high overvoltage protection through clamping action, protecting sensitive electronics from voltage transients.
- What is the peak pulse power dissipation of the SM15T22AHE3_A/I?
The peak pulse power dissipation is 1500 W with a 10/1000 μs waveform.
- What is the operating junction temperature range of the SM15T22AHE3_A/I?
The operating junction temperature range is -65 to +150 °C.
- Is the SM15T22AHE3_A/I AEC-Q101 qualified?
- What package type is used for the SM15T22AHE3_A/I?
The package type is SMC (DO-214AB).
- What are the typical applications of the SM15T22AHE3_A/I?
Typical applications include automotive systems, consumer electronics, industrial equipment, and telecommunication devices.
- Is the SM15T22AHE3_A/I RoHS-compliant and halogen-free?
- What is the peak forward surge current rating of the SM15T22AHE3_A/I?
The peak forward surge current rating is 200 A (10 ms single half sine-wave).
- How does the SM15T22AHE3_A/I protect against voltage transients?
- What is the maximum reverse leakage current at the stand-off voltage (VWM) for the SM15T22AHE3_A/I?
