SMD 4154 Dual Photodiode LED

Features

Model: dual photodiode, SMD type.
Wavelength range: 400–1100 nm, works with UV, visible and near-IR light;Clear resin encapsulation for good light transmission.
High sensitivity: up to 140 µA photocurrent
Fast response: 10 ns quick reaction time;Wide 120° viewing angle;
Compact size, easy to mount on PCBs.

Advantages

1.Fast and stable performance, reliable for continuous industrial use.
2.Good anti-interference ability, works well even in noisy environments.
3.Wide wavelength range fits most common light detection tasks.
4.Sensitive enough to pick up weak light signals.
5.Easy to integrate into existing systems, SMT-friendly packaging
Consistent quality, long working life.

Main Applications
 

1. UV Curing Systems
This photodiode works perfectly with all types of UV curing equipment. It can accurately monitor the UV light intensity used for curing printing inks, surface coatings, varnish layers and industrial adhesives. It is widely adopted in printing, packaging and electronic assembly production lines to ensure consistent curing quality.
2. Fluorescence Detection & Security Inspection
Capable of capturing subtle fluorescent signals steadily, this sensor fits various security detection scenarios well. It is commonly applied for banknote authenticity verification, passport security screening and forensic fluorescent analysis, delivering stable and reliable detection results.
3. Medical & Phototherapy Equipment
Featuring stable UVA spectral sensing performance, this dual photodiode is suitable for professional medical and phototherapy devices. It supports precise light monitoring for dermatological therapy treatment and assists in wavelength calibration for medical equipment sterilization procedures.
4. Industrial Inspection & Machine Vision
It effectively optimizes light contrast for machine vision systems on automated production lines. Helping factories accurately identify tiny defects including surface cracks, liquid leaks and foreign contaminants, it greatly improves industrial inspection accuracy and efficiency.