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LL4448 from ST,ST Microelectronics

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LL4448

Manufacturer: ST

Small signal switching diode. Reverse voltage 75 V. Average rectified current 150 mA.

Partnumber Manufacturer Quantity Availability
LL4448 ST 10000 In Stock

Description and Introduction

Small signal switching diode. Reverse voltage 75 V. Average rectified current 150 mA. Part LL4448 is manufactured by STMicroelectronics. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** STMicroelectronics  
- **Part Number:** LL4448  
- **Type:** Dual common cathode ultrafast switching diode  
- **Configuration:** Two diodes in a single package with common cathode  
- **Maximum Repetitive Reverse Voltage (V_RRM):** 100 V  
- **Average Forward Current (I_F(AV)):** 1 A per diode  
- **Peak Forward Surge Current (I_FSM):** 30 A (non-repetitive)  
- **Forward Voltage Drop (V_F):** 1.3 V (typical) at 1 A  
- **Reverse Recovery Time (t_rr):** 50 ns (typical)  
- **Operating Temperature Range:** -65°C to +150°C  
- **Package:** SOD-323 (SC-76)  

### **Descriptions:**  
- The LL4448 is a dual common cathode ultrafast switching diode designed for high-speed switching applications.  
- It is optimized for low forward voltage drop and fast reverse recovery time.  
- Suitable for rectification, freewheeling, and protection circuits in power supplies and switching systems.  

### **Features:**  
- **Ultrafast switching** for high-efficiency applications  
- **Low leakage current**  
- **High reliability**  
- **Common cathode configuration** for compact PCB design  
- **Pb-free and RoHS compliant**  

This information is based on STMicroelectronics' datasheet for the LL4448 diode.

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