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ZXRE125DFTA from ZETEX

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ZXRE125DFTA

Manufacturer: ZETEX

SOT23 MICROPOWER 1.22V VOLTAGE REFERENCE

Partnumber Manufacturer Quantity Availability
ZXRE125DFTA ZETEX 5294 In Stock

Description and Introduction

SOT23 MICROPOWER 1.22V VOLTAGE REFERENCE The part **ZXRE125DFTA** is manufactured by **ZETEX** (now part of Diodes Incorporated). Below are the specifications, descriptions, and features based on available factual information:  

### **Specifications:**  
- **Type:** Voltage Reference (Shunt Regulator)  
- **Reference Voltage:** 1.25V (typical)  
- **Tolerance:** ±1%  
- **Operating Current Range:** 100µA to 20mA  
- **Temperature Coefficient:** 50ppm/°C (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT23-3  

### **Descriptions:**  
- The ZXRE125DFTA is a precision shunt voltage reference with a fixed 1.25V output.  
- It is designed for low-power applications requiring stable voltage references.  
- The device operates as a two-terminal component, similar to a Zener diode but with improved accuracy and temperature stability.  

### **Features:**  
- **Low Voltage Operation:** 1.25V reference suitable for low-voltage circuits.  
- **High Accuracy:** ±1% voltage tolerance ensures precision.  
- **Low Temperature Coefficient:** 50ppm/°C for stable performance across temperature variations.  
- **Wide Operating Current Range:** Functions from 100µA to 20mA.  
- **Small Footprint:** SOT23-3 package for space-constrained applications.  

For detailed electrical characteristics and application notes, refer to the official datasheet from Diodes Incorporated (formerly ZETEX).

Application Scenarios & Design Considerations

SOT23 MICROPOWER 1.22V VOLTAGE REFERENCE

Alternative Part Number

  • LM4040DIM3-1.2 --: Precision 1.2V shunt voltage reference in SOT-23, similar tolerance and function to the ZXRE125, widely available and pin-compatible in most designs.
  • TL431AIDBZR --: Adjustable shunt reference that can be set to 1.25V, very common and cost-effective substitute for 1.2V reference applications with adequate accuracy.
  • LM385BZ-1.2 --: 1.2V micropower shunt reference with good stability, suitable drop-in alternative for low-current reference circuits though in TO-92 package.

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