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SS543AT from HONEYWELL

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SS543AT

Manufacturer: HONEYWELL

Surface Mount Sensors

Partnumber Manufacturer Quantity Availability
SS543AT HONEYWELL 4075 In Stock

Description and Introduction

Surface Mount Sensors The **SS543AT** is a **Hall-effect sensor** manufactured by **Honeywell**. Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Operating Voltage:** 3.8 V to 24 V  
- **Output Type:** Open-collector (sinking)  
- **Output Current (max):** 20 mA  
- **Operating Temperature Range:** -40°C to +150°C  
- **Magnetic Sensitivity:** Typically operates at **±75 G** (Gauss)  
- **Switching Frequency:** Up to **25 kHz**  
- **Package Type:** **SOT-89** (3-pin surface-mount package)  

### **Descriptions:**  
- The **SS543AT** is a **bipolar latching Hall-effect sensor**, meaning it responds to both **North and South** magnetic poles.  
- It is designed for **high-temperature environments**, making it suitable for automotive and industrial applications.  
- The sensor provides a **digital output** that switches in response to changes in magnetic field polarity.  

### **Features:**  
- **Latching (Bipolar) Operation:** Requires alternating magnetic polarities to switch states.  
- **Reverse Polarity Protection:** Can withstand reverse voltage up to **-24 V**.  
- **High Sensitivity:** Low magnetic field requirement for switching.  
- **Robust Construction:** Designed for harsh environments, including automotive under-hood applications.  
- **Solid-State Reliability:** No moving parts, ensuring long-term durability.  

This sensor is commonly used in **speed sensing, position detection, and rotary encoding applications**.  

Let me know if you need further details.

Application Scenarios & Design Considerations

Surface Mount Sensors

Alternative Part Number

  • HMC5883L --: Honeywell 3-axis magnetometer in the same sensor family, commonly used as a functional substitute for SS543AT magnetic sensing applications.
  • A1302 --: Linear Hall-effect sensor with similar analog magnetic sensing function, widely available and pin-compatible in many designs.
  • DRV5053 --: Analog bipolar Hall-effect sensor offering comparable magnetic field sensing performance and a different naming series for easy distinction.
  • BAT54AT --: Schottky diode in SOT-23 with similar low forward voltage and current rating, widely available and pin-compatible.
  • 1N5819W --: Schottky barrier diode with comparable voltage and current specs, common alternative for general rectification.
  • PMEG2010AEA --: Low VF Schottky diode in small package, suitable replacement for low-voltage rectification applications.

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