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ZR431 from HIT

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ZR431

Manufacturer: HIT, ZETEX

ADJUSTABLE PRECISION ZENER SHUNT REGULATOR

Partnumber Manufacturer Quantity Availability
ZR431 HIT, ZETEX 17132 In Stock

Description and Introduction

ADJUSTABLE PRECISION ZENER SHUNT REGULATOR Here are the factual details about part ZR431 from Ic-phoenix technical data files:  

### **Manufacturer:**  
- **ZR431** is manufactured by **Diodes Incorporated**.  

### **Specifications:**  
- **Type:** Adjustable Precision Shunt Regulator (Voltage Reference)  
- **Voltage Reference Range:** 2.5V (typical)  
- **Operating Voltage Range:** 1.24V to 18V  
- **Output Current:** Up to 100mA  
- **Tolerance:** ±0.5%, ±1%, ±2% (depending on variant)  
- **Temperature Stability:** Typically 50ppm/°C  
- **Package Options:** SOT-23, SOT-89, TO-92  

### **Descriptions:**  
- The **ZR431** is a precision shunt regulator designed for adjustable voltage reference applications.  
- It is commonly used in power supplies, battery chargers, and voltage monitoring circuits.  
- The device offers low dynamic impedance and stable performance over a wide temperature range.  

### **Features:**  
- **Adjustable Output Voltage** (via external resistors)  
- **Low Output Noise**  
- **Wide Operating Voltage Range** (1.24V to 18V)  
- **Low Temperature Coefficient**  
- **High Accuracy** (±0.5% available)  
- **Available in Multiple Package Options**  

Let me know if you need additional details.

Application Scenarios & Design Considerations

ADJUSTABLE PRECISION ZENER SHUNT REGULATOR

Alternative Part Number

  • TL431 --: Industry-standard adjustable shunt voltage reference, pin-compatible and functionally equivalent to the ZR431, widely available and low cost.
  • LM431 --: Adjustable precision shunt regulator with similar reference voltage and tolerance, direct functional replacement for the ZR431.
  • KA431 --: Adjustable shunt regulator offering comparable performance and pinout, suitable as a drop-in alternative to the ZR431.

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