SKU: SENS-3202
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Vishay VCNL36821S SMD-8P Ambient Light Sensor

₹49.00 (Inclusive of all taxes)
Out of Stock

The Vishay VCNL36821S is a high-performance SMD ambient light sensor (ALS) module designed for 1.7V to 3.6V systems. It provides accurate light intensity measurement with a spectral response close to the human eye, making it ideal for automatic display brightness control in portable electronics, IoT devices, and industrial panels.

Features

  • Vishay VCNL36821S SMD-8P package for surface-mount assembly.
  • Wide operating voltage range from 1.7V to 3.6V DC.
  • Extended operating temperature range from -40°C to +85°C.
  • Features integrated infrared (IR) filtering for accurate ambient light sensing.
  • Low power consumption suitable for battery-powered applications.

Out of stock

Description

The Vishay VCNL36821S ambient light sensor is a compact, surface-mount component that delivers precise measurement of ambient light intensity. Its design incorporates a photodiode with a spectral sensitivity closely matching the human eye’s photopic response, enhanced by an integrated IR-blocking filter to reject unwanted infrared light. This ensures high accuracy in diverse lighting conditions, from dim indoor environments to bright daylight.

Engineered for reliability in harsh conditions, the sensor operates across a wide temperature range from -40°C to +85°C. Its low-voltage operation and minimal power draw make it an optimal choice for integration into space-constrained, power-sensitive designs such as smartphones, tablets, wearables, and smart home automation systems, enabling intelligent, energy-efficient display management.

Key Features

  • High-accuracy ambient light sensing with human-eye spectral response.
  • Integrated infrared filtering for improved measurement precision.
  • Compact SMD-8P package for automated PCB assembly.
  • Wide supply voltage range (1.7V to 3.6V) for flexible system integration.
  • Robust performance across an extended industrial temperature range (-40°C to +85°C).
  • Low power consumption ideal for portable and battery-operated devices.
  • RoHS-compliant construction for environmentally conscious manufacturing.

Applications

  • Automatic display brightness adjustment in smartphones, tablets, and laptops.
  • Ambient light monitoring for energy-saving lighting control in smart home systems.
  • Backlight dimming in automotive dashboards and instrument clusters.
  • Light sensing in wearable devices and IoT sensor nodes for context-aware operation.
  • Industrial panel HMIs and control units requiring adaptive screen visibility.

Technical Specifications

Manufacturer Part NumberVCNL36821S
BrandVishay
Package / CaseSMD 8P
Operating Voltage1.7V to 3.6V DC
Operating Temperature-40°C to +85°C
Sensor TypeAmbient Light Sensor (ALS)
Key FeatureInfrared Filtering
ComplianceRoHS

Frequently Asked Questions

What is the operating voltage range for the Vishay VCNL36821S sensor?

The Vishay VCNL36821S ambient light sensor operates from a supply voltage of 1.7V to 3.6V DC. This range makes it compatible with common 3.3V logic systems and lower-voltage battery-powered applications, ensuring flexible integration without requiring a level shifter.

How does the integrated infrared filtering improve sensor performance?

The sensor incorporates an IR-blocking filter that attenuates infrared wavelengths, which are not visible to the human eye. This ensures the measured light intensity closely matches perceived brightness, leading to more accurate and reliable automatic brightness adjustments for displays under various artificial and natural light sources.

What are the typical applications for this SMD ambient light sensor?

Typical applications include automatic backlight dimming in consumer electronics like smartphones and tablets, ambient light monitoring in smart home and IoT devices, display management in automotive dashboards, and any system requiring energy-efficient, context-aware brightness control based on environmental lighting conditions.

Package Includes

  • 1 x Vishay VCNL36821S SMD-8P Ambient Light Sensor

Additional Information

Weight 0.01 kg
Dimensions 1 × 0.8 × 0.5 cm