Optoelectronic Components for Smoke Detection

An electro-optical smoke detector consists of an emitting diode and photodiode assembly which exhibits a signal under the presence of smoke. Excelitas offers emitting diodes and photodiodes, as well as custom assemblies to address the requirements of electro-optical smoke detectors. 

Excelitas Optoelectronic Components for Smoke Detectors

Product List

Excelitas VTP Series Photodiodes
Part Number
VTE1291-1H

VTE1291-1H - IRED, T-1 ¾ (5mm) Plastic Package, 20mW, Beam angle of ±12°

The VTE1291-1H is a GaAlAs Infrared Emitting Diode in a lensed, plastic package with a narrow beam angle. This 880nm GaAlAs infrared emitting diode (IRED) is mounted in a T 1 ¾ (5mm diameter) lensed plastic package. This IRED has a narrow emission beam profile suitable for smoke detection, IR illumination and optical switching applications.
Excelitas VTE Series of Light Emitting Diodes
Part Number
VTE1291-2H

VTE1291-2H - IRED, T-1¾ (5mm) Plastic Package, 25mW, Beam angle of ±12°

The VTE1291-2H is a GaAlAs Infrared Emitting Diode (IRED) mounted in a T 1¾ (5mm diameter) lensed plastic package with a narrow beam angle. This 880 nm GaAlAs IRED has a narrow emission beam profile, a characteristic making it suitable for smoke detection, IR illumination and optical switching applications.
Excelitas VTE Series Light Emitting Diodes
Part Number
VTE1295H

VTE1295H - IRED, T-1 ¾ (5mm) Plastic Package with Custom Lens, 20mW, Beam angle of ±8°

The VTE1295H is a 895nm GaAlAs Infrared Emitting Diode mounted in a T 1¾ (5mm diameter) lensed plastic package with a narrow beam angle of ±8°. This IRED has a narrow emission beam profile, a characteristic making it suitable for smoke detection, IR illumination and optical switching applications.
Excelitas VTE Series of Blue Emitting Diodes
Part Number
VTE3310

VTE3310 - T-1 (3mm) Plastic Package Lensed, 1mW, Beam angle of ±5°

The VTE3310 is a 460nm, InGaN Blue emitting diode mounted in a long T-1 (3mm diameter) lensed plastic package. With a narrow beam angle ±5°, this Blue LED is suitable for smoke detection applications.
Excelitas VTE Series of Infrared Emitting Diodes
Part Number
VTE3374LAH

VTE3374LAH - IRED, T-1 (3mm) Plastic Package, 5mW, Beam angle of ±10°

The VTE3374LAH is a 880 nm GaAlAs Infrared Emitting Diode (IRED)mounted in a long T-1 (3 mm diameter) lensed plastic package. With a narrow beam angle of ±10°, this 880 nm GaAlAs IRED is suitable for smoke detection, IR illumination and optical switching applications.
Excelitas VTE Series Infrared Emitting Diodes
Part Number
VTE3375LA

VTE3375LA - T-1 (3mm) Plastic Package Lensed, 3mW, Beam angle of ±12.5°

The VTE3375LA is a 880 nm GaAlAs Infrared Emitting Diode (IRED) mounted in a long T-1 (3mm diameter) lensed plastic package. With a narrow beam angle of ±12.5°, this IRED is suitable for smoke detection, IR illumination and optical switching applications.
Excelitas VTP Series of Photodiodes
Part Number
VTP100H

VTP100H - Si PD, Flat Side-looker IRT, 7.45mm2

The VTP100H is a silicon photodiode in a visible-blocking plastic molded side-looker package with an enhanced response in the near IR spectral range. This silicon photodiode exhibits a very high shunt resistance, low dark current and low capacitance.
Excelitas VTP Series Industry Satandard Silicon Photodiodes 
Part Number
VTP1188SH

VTP1188SH - Si PD, Lensed Ceramic, 11mm2

The VTP1188SH is a silicon photodiode in a lensed ceramic package. This photodiode provides an enhanced response in the visible and near IR spectral range, as well as exhibits a very high shunt resistance, low dark current and low capacitance.
Excelitas VTP Series Silicon Photodiodes
Part Number
VTP1232H

VTP1232H - Si PD, T1 3/4 Lensed, 2.326mm2

The VTP1232H is a silicon photodiode in a clear end-looking T1¾ lensed package with an enhanced response in the visible and near IR spectral range. This photodiode exhibits a very high shunt resistance, low dark current and low capacitance.
Excelitas VTP Series Silicon Photodiodes
Part Number
VTP3410LAH

VTP3410LAH - Si PD, T1 Lensed IRT, 0.684mm2

The VTP3410LAH is is a silicon photodiode in a visible blocking end-looking long T1 lensed package with an enhanced response in the near IR spectral range. This photodiode exhibits a very high shunt resistance, low dark current and low capacitance.
Excelitas VTP Series Silicon Photodiodes
Part Number
VTP3420LA

VTP3420LA - T-1 Lensed IRT, 1.64mm2

The VTP3420LA is a silicon photodiode in a visible-blocking end-looking, long T1 lensed package with an enhanced response in the near IR spectral range. This photodiode exhibits a very high shunt resistance, low dark current and low capacitance.
Excelitas Industry Standard Silicon Photodiodes
Part Number
VTP7840H

VTP7840H - Si PD, Lensed Side-looker IRT, 5.27mm2

The VTP7840H is a silicon photodiode in a lensed, side-looking package with visible blocking. This photodiode provides a fast response, low dark current, and a wide field-of-view.