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KA431SMFTF from FAIRCHILD,Fairchild Semiconductor

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KA431SMFTF

Manufacturer: FAIRCHILD

Adjustable/2.5V, 2% Tolerance Shunt Regulator

Partnumber Manufacturer Quantity Availability
KA431SMFTF FAIRCHILD 12000 In Stock

Description and Introduction

Adjustable/2.5V, 2% Tolerance Shunt Regulator The KA431SMFTF is a three-terminal adjustable precision shunt regulator manufactured by Fairchild Semiconductor (now part of ON Semiconductor).  

### **Specifications:**  
- **Output Voltage Range:** 2.495V to 36V (adjustable)  
- **Reference Voltage:** 2.495V (typical)  
- **Operating Current (Iref):** 1mA (typical)  
- **Sink Current Capability:** 1mA to 100mA  
- **Temperature Stability:** 50ppm/°C (typical)  
- **Package:** SOT-23 (3-pin)  

### **Descriptions:**  
- The KA431SMFTF is a precision voltage reference with an adjustable output.  
- It is commonly used in power supply circuits, voltage monitoring, and error amplifiers.  
- The device features low dynamic output impedance and low noise.  

### **Features:**  
- Adjustable output voltage  
- Low temperature drift  
- High accuracy (0.5% reference voltage tolerance)  
- Fast turn-on response  
- Low output noise  
- Wide operating current range  

This information is based on Fairchild's datasheet for the KA431SMFTF.

Partnumber Manufacturer Quantity Availability
KA431SMFTF FAI 2189 In Stock

Description and Introduction

Adjustable/2.5V, 2% Tolerance Shunt Regulator The KA431SMFTF is a programmable precision voltage reference manufactured by Fairchild Semiconductor (FAI).  

### **Specifications:**  
- **Output Voltage Range:** 2.495V to 36V (adjustable)  
- **Reference Voltage:** 2.5V (typical)  
- **Tolerance:** ±1% (A grade)  
- **Operating Current:** 1mA (typical)  
- **Sink Current Capability:** 1mA to 100mA  
- **Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-5  

### **Descriptions:**  
The KA431SMFTF is a three-terminal adjustable shunt regulator with thermal stability and high precision. It is commonly used in power supply circuits, voltage monitoring, and error amplifiers.  

### **Features:**  
- Adjustable output voltage  
- Low dynamic output impedance  
- Low temperature drift  
- Fast turn-on response  
- Wide operating current range  
- Available in a small SOT-23-5 package  

This device is a drop-in replacement for the TL431 and similar shunt regulators.

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