SKU: SENS-3206
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TONYU PD673B-A2 4.8mm Plugin Ambient Light Sensor ROHS

₹7.00 (Inclusive of all taxes)
Out of Stock

The TONYU PD673B-A2 is a compact 4.8mm plugin ambient light sensor designed for automatic brightness control in consumer electronics and IoT devices. It features a spectral response close to the human eye and low power consumption, making it suitable for battery-powered applications.

Features

  • 4.8mm plugin form factor for easy PCB integration
  • Human-eye spectral response with infrared filtering
  • Low power consumption for battery-sensitive designs
  • Wide detection range for adaptive brightness control
  • ROHS compliant for environmental safety

Out of stock

Description

The TONYU PD673B-A2 ambient light sensor is a photodiode-based component that converts light intensity into an electrical signal. Its spectral sensitivity is optimized to match the photopic response of the human eye, enhanced by an integrated infrared filter to reject unwanted IR radiation. This ensures accurate ambient light level detection for precise display backlight adjustment.

Designed for surface-mount assembly, the sensor operates with low power draw, making it ideal for portable electronics, smart home devices, and industrial panels where energy efficiency and reliable ambient light measurement are critical. The compact, plugin package facilitates straightforward integration into automated manufacturing processes.

Key Features

  • 4.8mm diameter plugin photodiode with human-eye spectral sensitivity
  • Integrated infrared (IR) filtering for accurate visible light measurement
  • Low capacitance (10pF) for fast signal response and low-noise operation
  • Peak spectral response at 950nm, suitable for broad ambient light detection
  • ROHS-compliant construction for use in environmentally conscious designs
  • Compact SMD package for space-constrained PCB layouts
  • Optimized for automatic display brightness control and energy-saving systems

Applications

  • Automatic backlight dimming for LCD displays in smartphones, tablets, and laptops
  • Ambient light sensing in IoT devices and smart home automation panels
  • Brightness control for automotive instrument clusters and infotainment systems
  • Energy-saving light management in consumer electronics and industrial HMIs

Technical Specifications

Manufacturer Part NumberPD673B-A2
BrandTONYU
Sensor TypeAmbient Light Sensor (Photodiode)
Package TypePlugin, Surface Mount
Diameter4.8 mm
Peak Wavelength950 nm
Capacitance10 pF
ComplianceROHS

Frequently Asked Questions

What is the primary application of the PD673B-A2 ambient light sensor?

The PD673B-A2 is primarily used for automatic brightness adjustment in electronic displays. It measures ambient light levels to dynamically optimize screen backlight intensity, enhancing user comfort and conserving battery power in devices like smartphones, tablets, and automotive dashboards.

Does this sensor require any external components to function?

Yes, as a photodiode, the PD673B-A2 requires external signal conditioning circuitry. A transimpedance amplifier (TIA) is typically needed to convert its small photocurrent into a measurable voltage signal. The low 10pF capacitance simplifies amplifier design for stable, low-noise operation.

How does the infrared filtering benefit the sensor's accuracy?

The integrated IR filter blocks infrared wavelengths, ensuring the sensor responds primarily to visible light. This mimics the human eye's sensitivity, preventing false high readings from IR sources (like heaters or sunlight) and leading to more accurate and natural ambient light measurements for display control.

Package Includes

  • 1 x TONYU PD673B-A2 Plugin Ambient Light Sensor

Additional Information

Weight 0.01 kg
Dimensions 10 × 8 × 5 cm