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STL128D from ST,ST Microelectronics

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STL128D

Manufacturer: ST

High voltage fast switching NPN power transistor

Partnumber Manufacturer Quantity Availability
STL128D ST 50 In Stock

Description and Introduction

High voltage fast switching NPN power transistor The part **STL128D** is manufactured by **STMicroelectronics (ST)**.  

### **Specifications:**  
- **Type:** Schottky Diode  
- **Configuration:** Dual Common Cathode  
- **Voltage - DC Reverse (Vr) (Max):** 20V  
- **Current - Average Rectified (Io):** 1A per diode  
- **Forward Voltage (Vf) (Max):** 0.55V at 1A  
- **Reverse Recovery Time (trr):** Fast recovery, typical Schottky performance  
- **Operating Temperature Range:** -65°C to +125°C  
- **Package / Case:** SMB (DO-214AA)  

### **Descriptions:**  
- The **STL128D** is a **dual Schottky barrier diode** with a **common cathode configuration**, designed for high-efficiency rectification in low-voltage, high-frequency applications.  
- It is optimized for **switching power supplies, DC-DC converters, and reverse polarity protection circuits**.  
- The Schottky technology ensures **low forward voltage drop and fast switching performance**.  

### **Features:**  
- **Low forward voltage drop** (improves efficiency)  
- **High current capability** (1A per diode)  
- **Fast switching** (minimal reverse recovery time)  
- **Common cathode configuration** (simplifies PCB layout)  
- **SMB package** (compact and suitable for surface-mount applications)  
- **AEC-Q101 qualified** (for automotive applications, if applicable)  

This diode is commonly used in **power management, voltage clamping, and freewheeling diode applications**.  

Would you like any additional technical details?

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