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Light Sensor - EKPS021A

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Special filter epoxy encapsulation;
Special response characteristics similar to the human eyes;
Linear output with light changes;
Have certain temperature stability;
Low dark current,low intensity of illumination.

Model Number: EKPS021A

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Product Specification

Light sensor, with a chip built in, is sensitive to ambient light. Its photopic response is close to human eye. Being compliant with RoHs, it can be used as replacement of Cds photocell.

EKPS021A Light Sensor Features:
Special filter epoxy encapsulation;
Special response characteristics similar to the human eyes;
Linear output with light changes;
Have certain temperature stability;
Low dark current,low intensity of illumination.

EKPS021A Light Sensor Typical Applications:
Direct replacement of CdS LDR;
Adjust background light,such as PDA,television,Cameras,
LCD/LED displays and mobile phones,etc.;
Electronic toys and lighting equipment

EKPS021A Light Sensor Structure Diagram: (unit:mm)

EKPS021A Light Sensor Ultimate parameters: Ta=25℃

parameters	Symbol	Rating	Unit
Positive Breakdown Voltage	Vdd	70	V
Reverse Breakdown Voltage	-Vdd	7	V
Max. Power	PD	100	mW
Working Temperature	Topr	-25~+70	℃
Storage Temperataure	Tstg	-25~+80	℃
Welding Temperataure（5″ ）	Tsol	260	℃

※1 welding at the place 4mm away from the gel, and welding time is no more than 5 seconds.

EKPS021A Light Sensor Electrical Optical Characteristics Ta=25℃

Parameters		Symbol	Test Conditions	Min.	Typ.	Max.	Unit
Light Current	EKPS5021A	IC（Vdd=5V Rss=1k）	Vdd=5V, Ev= 10Lux		2.5		μA
			Vdd=5V, Ev= 20Lux		5.5
			Vdd=5V, Ev= 100Lux		45
Dark Current		Idrk	Vdd=5V, Ee= 0 ※2			10	nA
Spectrum		λ		450~1050			nm
Saturation Voltage		Vdd-Vss			0.3		V
Rise Time		tr	Vdd=5V, IC=5mA RL=1K		3.2		μS
Fall time		tf	Vdd=5V, IC=5mA RL=1K		4.8		μS