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MA721 from PAN,Panasonic

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MA721

Manufacturer: PAN, Panasonic

Small-signal device

Partnumber Manufacturer Quantity Availability
MA721 PAN, Panasonic 3680 In Stock

Description and Introduction

Small-signal device **MA721 Manufacturer: Panasonic**  

### **Specifications:**  
- **Type:** Passive Infrared (PIR) Motion Sensor  
- **Detection Range:** Up to 12 meters (adjustable)  
- **Detection Angle:** 360° (ceiling-mounted) or 180° (wall-mounted)  
- **Power Supply:** 12V DC or 24V AC  
- **Output:** Relay contact (NO/NC)  
- **Operating Temperature:** -10°C to +50°C  
- **Mounting:** Ceiling or wall  
- **IP Rating:** IP20 (indoor use)  

### **Descriptions:**  
The **Panasonic MA721** is a passive infrared (PIR) motion sensor designed for security and automation applications. It detects human movement within a wide coverage area and is commonly used in lighting control, HVAC systems, and alarm systems.  

### **Features:**  
- **Wide Detection Area:** Adjustable range up to 12 meters with 360° or 180° coverage.  
- **Dual Power Options:** Supports both 12V DC and 24V AC power inputs.  
- **Relay Output:** Provides Normally Open (NO) or Normally Closed (NC) contacts for integration with control systems.  
- **Sensitivity Adjustment:** Allows fine-tuning of detection range.  
- **Tamper-Proof Design:** Includes anti-masking feature to prevent obstruction.  
- **Compact & Versatile:** Suitable for residential, commercial, and industrial applications.  
- **Easy Installation:** Can be mounted on ceilings or walls.  

This sensor is ideal for energy-saving applications by triggering lights or alarms only when motion is detected.

Application Scenarios & Design Considerations

Small-signal device

Alternative Part Number

  • DB3 --: Trigger diode (diac) in the same class as the MA721, widely available and electrically similar for triggering thyristors.
  • SMDB3 --: Surface-mount diac with comparable breakover voltage, suitable drop-in replacement where SMD assembly is acceptable.
  • K2400G --: SIDAC/diac-type trigger device with similar breakover characteristics, usable as a functional substitute in trigger circuits.
  • DB2J31000L --: Schottky barrier diode in a similar small surface-mount package with comparable forward current and low forward voltage, suitable as a functional replacement.
  • RB751S-40 --: Small-signal Schottky diode with similar low forward voltage and fast switching characteristics, widely used in comparable signal-detection and clamping circuits.
  • BAT54 --: Common small-signal Schottky diode with low forward voltage drop and fast switching, a practical cross-series alternative for similar low-current applications.

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