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SE531 from Philips

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SE531

Manufacturer: Philips

High slew rate operational amplifier

Partnumber Manufacturer Quantity Availability
SE531 Philips 800 In Stock

Description and Introduction

High slew rate operational amplifier The part **SE531** is a **Schottky Rectifier Diode** manufactured by **Philips** (now **NXP Semiconductors**). Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Type:** Schottky Rectifier Diode  
- **Maximum Average Forward Current (IF(AV)):** 3 A  
- **Peak Forward Surge Current (IFSM):** 80 A  
- **Maximum Reverse Voltage (VRRM):** 30 V  
- **Forward Voltage Drop (VF):** 0.55 V (typical at 3 A)  
- **Reverse Leakage Current (IR):** 0.5 mA (maximum at 30 V)  
- **Operating Junction Temperature (Tj):** -65°C to +125°C  
- **Package:** DO-201AD (Axial Lead)  

### **Descriptions:**  
- Designed for **high-efficiency rectification** in power supplies, converters, and switching applications.  
- Utilizes **Schottky barrier technology** for low forward voltage drop and fast switching.  
- Suitable for **surface-mount and through-hole** assembly (depending on variant).  

### **Features:**  
- **Low forward voltage drop** for reduced power loss.  
- **Fast switching speed** for high-frequency applications.  
- **High surge current capability** for reliable performance.  
- **High-temperature operation** for robust applications.  

This diode is commonly used in **DC-DC converters, power supplies, and reverse polarity protection circuits**.  

(Note: Philips' semiconductor division is now part of **NXP Semiconductors**, so newer datasheets may reference NXP.)

Application Scenarios & Design Considerations

High slew rate operational amplifier

Alternative Part Number

  • 1N4148 --: Widely available fast switching diode often used as a general-purpose replacement in circuits where the SE531 signal diode was applied; different series name and very low cost.
  • BAV21 --: High-voltage switching diode from a different series with similar small-signal diode characteristics, suitable as a functional substitute for many SE531 applications.
  • 1N914 --: Classic small-signal switching diode with comparable forward current and voltage ratings, commonly cross-referenced for older Philips signal diodes like the SE531.

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