Description

High-Sensitivity Cadmium Sulfide (CdS) LDR Light Dependent Resistors (Premium Ambient Photoresistor Selection - 3mm, 5mm, and 20mm Diameter Variants).

Industrial-grade LDR Light Dependent Resistors (Photoresistors), precision-engineered to act as highly responsive ambient light telemetry transducers for electronic hardware grids. Operating via a ratiometric photoconductive architecture, these passive silicon sensors dynamically scale their internal electrical resistance inversely relative to incident light lux parameters—dropping to low-ohm continuity under bright saturation and peaking to mega-ohm thresholds in total darkness to stream immediate analog lighting updates to upstream system processors.

This unified master catalog features three specialized hardware physical diameters optimized for distinct engineering implementations:

• The 3mm Micro Variant (3528 Series): Engineered for high-density SMD/PTH conversion layouts, wearable IoT devices, and ultra-confined structural enclosures.

• The 5mm Standard Variant (55xx Series): The global standard benchmark configuration for academic laboratories and solderless breadboard integration.

• The 20mm High-Surface Variant (20528 Series): Architected with an expanded active optical footprint to maximize photon capture in low-lux conditions, delivering rugged thermal endurance for heavy-duty outdoor control frameworks.

Forged from premium semi-conductive compounds ensuring high-fidelity responsive velocity and minimal latching drift. The definitive hardware benchmark standard for manufacturing automated residential dusk-to-dawn street lighting switches, optimizing solar-panel tracing trackers, upgrading industrial luxury display auto-dimmers, and integrating reliable non-contact environmental triggers into Arduino, ESP32, and Raspberry Pi automated automation arrays.

Quick Technical Specifications:

• Sensor Type: Cadmium Sulfide (CdS) Photoresistor.

• Operation: Resistance (ohms) changes directly with darkness and inversely with light intensity.

• Available Variants:

  • 3mm Diameter - for miniature spaces.

  • 5mm Diameter - standard and most common.

  • 20mm Diameter - high sensitivity and for heavy-duty outdoor loads.

• Compatibility: Easy and direct analog reading compatible with all microcontrollers and multimeters.

المواصفات

• الوزن: داخلي وخارجي

Pros and cons

• منتج مستدام، مثالي للاستخدام اليومي
• قد يتغير لونه عند التعرض لأشعة الشمس المباشرة