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SM15T33A from ST,ST Microelectronics

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SM15T33A

Manufacturer: ST, STM

TRANSZORB SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR

Partnumber Manufacturer Quantity Availability
SM15T33A ST, STM 37020 In Stock

Description and Introduction

TRANSZORB SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR The SM15T33A is a Transil™ bidirectional TVS (Transient Voltage Suppressor) diode manufactured by STMicroelectronics (STM).  

### **Specifications:**  
- **Voltage - Reverse Standoff (Typ):** 28.5V  
- **Voltage - Breakdown (Min):** 31.6V  
- **Voltage - Clamping (Max) @ Ipp:** 48.4V @ 24A  
- **Current - Peak Pulse (10/1000µs):** 24A  
- **Power - Peak Pulse:** 600W  
- **Operating Temperature:** -55°C to +150°C  
- **Package:** DO-214AC (SMA)  

### **Descriptions:**  
- Designed to protect sensitive electronics from high-voltage transients.  
- Bidirectional clamping for both positive and negative voltage spikes.  
- Low leakage current.  
- Fast response time for ESD (Electrostatic Discharge) and surge protection.  

### **Features:**  
- **High Surge Capability:** Handles high transient currents.  
- **Low Clamping Voltage:** Provides effective protection for downstream components.  
- **RoHS Compliant:** Meets environmental standards.  
- **AEC-Q101 Qualified:** Suitable for automotive applications.  
- **Bidirectional Operation:** Protects against both positive and negative transients.  

This diode is commonly used in power supplies, communication lines, and automotive systems for transient voltage suppression.

Application Scenarios & Design Considerations

TRANSZORB SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR

Alternative Part Number

  • 1.5SMC33A --: Same 1500W SMC package unidirectional TVS with 33V standoff and identical clamping behavior, direct drop-in replacement.
  • SMCJ33A --: 1500W SMC unidirectional TVS diode with matching 33V standoff voltage and similar clamping voltage, widely available alternative.
  • P6SMB33A --: 600W SMB unidirectional TVS with same 33V standoff; lower power rating but usable in less demanding surge environments and smaller footprint.

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