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X0402NF 1AA2 from ST,ST,ST Microelectronics

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X0402NF 1AA2

Manufacturer: ST,ST, STM

4A SCRS

Partnumber Manufacturer Quantity Availability
X0402NF 1AA2,X0402NF1AA2 ST,ST, STM 20000 In Stock

Description and Introduction

4A SCRS The **X0402NF 1AA2** is a **thyristor** (SCR - Silicon Controlled Rectifier) manufactured by **STMicroelectronics (STM)**. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Type:** Standard SCR (Silicon Controlled Rectifier)  
- **Voltage Rating (VDRM/VRRM):** 400V  
- **Current Rating (IT(RMS)):** 0.8A  
- **Gate Trigger Current (IGT):** 5mA (typical)  
- **Gate Trigger Voltage (VGT):** 0.8V (typical)  
- **Holding Current (IH):** 5mA (typical)  
- **On-State Voltage (VTM):** 1.7V (at IT = 0.8A)  
- **Critical Rate of Rise of Off-State Voltage (dv/dt):** 50V/µs (min)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SMD (Surface Mount Device), DO-214AA (SMB)  

### **Descriptions:**  
- Designed for **general-purpose switching applications** in AC circuits.  
- Suitable for **low-power control** in industrial and consumer electronics.  
- Features **high surge current capability** and **reliable performance**.  

### **Features:**  
- **Low gate trigger current** for improved sensitivity.  
- **High voltage capability** (400V).  
- **Planar passivated** for enhanced reliability.  
- **Surface-mount package (SMB)** for compact PCB designs.  
- **Lead-free and RoHS compliant**.  

This information is based on STMicroelectronics' official datasheet for the **X0402NF 1AA2** SCR. For detailed application notes, refer to the manufacturer's documentation.

Application Scenarios & Design Considerations

4A SCRS

Alternative Part Number

  • BT169D --: Sensitive-gate SCR in a similar TO-92 package with comparable 0.8 A current rating, suitable for low-power switching applications.
  • 2N5060 --: Classic sensitive-gate SCR with 0.8 A rating and low gate trigger current, a common functional substitute for small-signal SCR circuits.
  • MCR100-6 --: Widely available 0.8 A sensitive-gate SCR in TO-92, offering similar gate trigger characteristics for general switching use.
  • BT149G --: Sensitive-gate SCR in a TO-92 package with comparable 400V/0.8A ratings, a common drop-in replacement for small-signal thyristors like the X0402 series.
  • 2N5064 --: Widely available sensitive-gate SCR (200V/0.8A) in TO-92, suitable for low-current switching applications where the X0402NF is used.
  • MCR100-8 --: Popular 600V/0.8A sensitive-gate SCR in TO-92 with similar gate trigger characteristics, a standard cross-reference for small thyristors.

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