Overview
The SM15T220AHE3/57T is a transient voltage suppressor (TVS) diode from Vishay General Semiconductor, part of the SM15T series. This device is designed to provide protection against voltage transients induced by inductive load switching, lightning, and other electrical surges. It is particularly suited for use in sensitive electronics across various industries, including consumer, computer, industrial, automotive, and telecommunications.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Working Voltage | VWM | 20.9 V to 23.1 V | V |
| Breakdown Voltage (Unidirectional) | VBR | 22.8 V to 25.2 V | V |
| Peak Pulse Power Dissipation (10/1000 μs waveform) | PPPM | 1500 W | W |
| Peak Pulse Current (10/1000 μs waveform) | IPPM | See datasheet for specific values | A |
| Power Dissipation on Infinite Heatsink at TA = 50 °C | PD | 6.5 W | W |
| Peak Forward Surge Current (10 ms single half sine-wave, unidirectional only) | IFSM | 200 A | A |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 °C | °C |
| Package | SMC (DO-214AB) | ||
| Polarity | Unidirectional, Bidirectional |
Key Features
- Low Profile Package: Ideal for automated placement and space-saving designs.
- Glass Passivated Chip Junction: Ensures high reliability and stability.
- Excellent Clamping Capability: Provides effective protection against voltage transients.
- Low Inductance: Minimizes the impact of inductive switching transients.
- AEC-Q101 Qualified: Available for automotive applications, ensuring high reliability in harsh environments.
- RoHS-Compliant and Halogen-Free: Meets environmental and safety standards.
- High Peak Pulse Power Capability: 1500 W with a 10/1000 μs waveform.
- Meets MSL Level 1, per J-STD-020: Can withstand high reflow temperatures up to 260 °C.
Applications
The SM15T220AHE3/57T is used in various applications to protect sensitive electronics from voltage transients, including:
- Consumer electronics
- Computer systems
- Industrial control systems
- Automotive systems (e.g., protection from load dump)
- Telecommunication equipment
- Protection of ICs, MOSFETs, and signal lines of sensor units
Q & A
- What is the primary function of the SM15T220AHE3/57T?
The primary function is to protect sensitive electronics from voltage transients induced by inductive load switching, lightning, and other electrical surges.
- What is the peak pulse power dissipation of the SM15T220AHE3/57T?
1500 W with a 10/1000 μs waveform.
- What are the operating junction and storage temperature ranges for this device?
-65 to +150 °C.
- Is the SM15T220AHE3/57T RoHS-compliant and halogen-free?
- What package type does the SM15T220AHE3/57T use?
SMC (DO-214AB).
- Is the SM15T220AHE3/57T AEC-Q101 qualified?
- What is the maximum forward surge current for this device?
200 A for a 10 ms single half sine-wave, unidirectional only.
- What are some typical applications for the SM15T220AHE3/57T?
Consumer electronics, computer systems, industrial control systems, automotive systems, and telecommunication equipment.
- What is the clamping voltage for the SM15T220AHE3/57T?
328 V for a 10/1000 μs waveform.
- Does the SM15T220AHE3/57T meet MSL Level 1, per J-STD-020?
