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Emitter Assembly Pulse Oximetry Sensors - ELM-4000 Series

?? Dual Drive
? Lead Frame Construction
? Pulse Oximetry Component
? Clear Epoxy
? Low Cost
? 660 nm ±3 nm Peak Wavelength Red LED
? Three IR Wavelength Choices

Model Number: ELM-4000 Series
Data Sheet:

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Product Specification

MEAS Emitter Assembly
ELM-4000 Series
Photo Optic Sensor

? Dual Drive
? Lead Frame Construction
? Pulse Oximetry Component
? Clear Epoxy

The ELM-4000 Series Emitter Assemblies are specially designed for medical applications where selection of peak wavelength is a key requirement. Emission source material is GaAIAs in conjunction with GaAIP complete with clear epoxy lens.

Emitter Assembly ELM-4000 Series Pulse Oximetry Sensor Features
? Low Cost
? 660 nm ±3 nm Peak Wavelength Red LED
? Three IR Wavelength Choices
? Dual Drive

Emitter Assembly ELM-4000 Series Pulse Oximetry Sensor Applications
? Pulse Oximetry
? Finger/Ear Probes
? Disposable Strip or Butterfly

Emitter Assembly ELM-4000 Series Pulse Oximetry Sensor Specifications

RED 660nm
Parameter @ 25oC	Symbol	Conditions	Min.	Typ.	Max.	Unit
Forward Voltage	V_f	If=20mA		1.85	2.3	V
Reverse Voltage	VB_r	Ibr=10μA	3			V
Reverse Current	I_r	Vr=3V			100	μA
Radiated Power	P_o	If=20mA		1		mW
Peak Wavelength	λ_p	If=20mA	657	660	663	nm

INFRARED 880nm (ELM-4001)
Forward Voltage	V_f	If=20mA			1.5	V
Reverse Voltage	VB_r	Ibr=10μA	3			V
Peak Wavelength	λ_p	If=20mA	870	880	890	nm
Spectral Bandwidth	λΔ	If=20mA		60	80	nm
Radiated Power	P_o	If=20mA	≥0.6	1		mW

INFRARED 940nm (ELM-4002)
Forward Voltage	V_f	If=20mA		1.2	1.4	V
Reverse Voltage	VB_r	Ibr=10μA	5			V
Peak Wavelength	λ_p	If=20mA	930	940	950	nm
Spectral Bandwidth	λΔ	If=20mA		45		nm
Radiated Power	P_o	If=20mA	≥0.6	1		mW

INFRARED 905nm (ELM-4003)
Forward Voltage	V_f	If=20mA		1.2	1.4	V
Reverse Voltage	VB_r	Ibr=10μA	5			V
Peak Wavelength	λ_p	If=20mA	900	905	910	nm
Spectral Bandwidth	λΔ	If=20mA		70		nm
Radiated Power	P_o	If=20mA	≥0.6	1		mW

Emitter Assembly ELM-4000 Series Pulse Oximetry Sensor Ordering Information：

Description	Part Number
Emitter Assembly; Lead Frame; 660nm/880nm	ELM-4001
Emitter Assembly; Lead Frame; 660nm/940nm	ELM-4002
Emitter Assembly; Lead Frame; 660nm/905nm	ELM-4003