Photo Optic Sensors

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Photo Optic Components

Our Photo Optic Components line includes both emitter and detector assemblies. Our ELM-3000 and ELM-4000 emitter series include one Red LED at 660nm and an accompanying Infrared LED operating at either 880nm or 940nm. We offer two choices of packaging: clear epoxy molded lead frame and leadless ceramic. Our ceramic (EPM-2001) and lead frame (EPM-4001) photo detectors are spectrally matched to the ELM-3000 and ELM-4000 series, respectively. You may use the pairing table below to conveniently match your needs to our offering.

Spectrally Paired

Type

Part Number

Red Peak Wavelength

IR Peak Wavelength

Package/
Substrate

Yes

Emit

ELM-4001

660 ±3 nm

880 ±10 nm

3-Pin, Molded,
Lead frame

Detect

EPM-4001

N/A

N/A

2-Pin, Molded,
Lead frame

Yes

Emit

ELM-4002

660 ±3 nm

940 ±10 nm

3-Pin, Molded,
Lead frame

Detect

EPM-4001

N/A

N/A

2-Pin, Molded,
Lead frame

Yes

Emit

ELM-3001

660 ±3 nm

880 ±10 nm

3-Lead Ceramic

Detect

EPM-2001

N/A

N/A

2-Lead Ceramic

Yes

Emit

ELM-3003

660 ±3 nm

940 ±10 nm

3-Lead Ceramic

Detect

EPM-2001

N/A

N/A

2-Lead Ceramic

Yes

Emit

ELM-3002

660 ±3 nm

880 ±10 nm

2-Lead Ceramic

Detect

EPM-2001

N/A

N/A

2-Lead Ceramic

Yes

Emit

ELM-3004

660 ±3 nm

940 ±10 nm

2-Lead Ceramic

Detect

EPM-2001

N/A

N/A

2-Lead Ceramic

MEAS offers other lines of photo optic components such as photo interrupters, phototransistors, reflective sensors, and infrared emitter packages. Please contact a sales representative for information related to these products.

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