Photo Reflective Sensor

This is a reflective sensor combines a GaA1As infrared light emitting diode with a high sensitive Darlington phototransistor in a mini package.

Model: SEN130A3B

http://www.seeedstudio.com/depot/images/product/rs081.jpg

Features

Compact
High performance
High output
Easy to mount on PCB
Widely applicable

Application Ideas

Timing sensors
Edge sensors
Micro floppy disc drivers
Level sensors of liquid

Cautions

The warnings and wrong operations possible cause dangerous.

Schematic

It is the schematic, the circuit about Eagle resource like .pdf should linked here in order to avoid memory exhausted.

Specification

Maximum Ratings (Ta=25℃)

Item		Symbol	Rating	Unit
Input	Power Dissipation	PD	100	mW
	Reverse Voltage	VR	5	V
	Forward Current	IF	50	mA
	Pulse Forward current * 1	IFP	1	A
Output	Collector Power Dissipation	Pc	100	mW
	Collector Current	Ic	20	mA
	C-E Voltage	VCEO	30	V
	E-C Voltage	VECO	5	V
Operating Temperature		Topr	-10~+65	℃
Storage Temperature		Tstg	-25~+85	℃
Soldering Temperature *2		Tsol	260	℃

Electro-optical Characteristics (Ta=25℃)

Item		Symbol	Conditions	Min	Typ	Max	Unit
Input	Forward Voltage	VF	IF=20mA		1.2	1.6	V
	Reverse Current	IR	VR=5V			10	µA
	Capacitance	Ct	V=0V, f=1kHZ		25		pF
	Peak Wavelength	λP			940		nm
Output	Collector Dark Current	ICEO	VCE=20V			0.1	µA
	Light Current	IL	VCE=5V,IF=20mA	50			µA
	Leakage Current	ICEOD	VCE=5V,IF=10mA			1	µA
Switching Speeds	Rise Time	tr	Vcc=5V, Ic=1mA, RL=1kΩ		15		µsec
Switching Speeds	Fall Time	tf	Vcc=5V, Ic=1mA, RL=1kΩ		15		µsec

Pin definition and Rating

Mechanic Dimensions

Usage

Hardware Installation

Programming

Includes important code snippet. Demo code like :

Demo code
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Example

The projects and application examples.

Bill of Materials (BOM) /parts list

All the components used to produce the product.

FAQ

Please list your question here:

Support

If you have questions or other better design ideas, you can go to our forum or wish to discuss.

Version Tracker

Revision	Descriptions	Release
v0.9b	Initial public release	Oct 08, 2009

Bug Tracker

Bug Tracker is the place you can publish any bugs you think you might have found during use. Please write down what you have to say, your answers will help us improve our products.

Additional Idea

The Additional Idea is the place to write your project ideas about this product, or other usages you've found. Or you can write them on Projects page.

Resources

The resources need to be downloaded, like Eagle file, Demo code, project or other datasheet.

How to buy

Click here to buy: http://www.seeedstudio.com/depot/photo-reflective-sensor-p-543.html?cPath=144_148.

Licensing

This documentation is licensed under the Creative Commons Attribution-ShareAlike License 3.0 Source code and libraries are licensed under GPL/LGPL, see source code files for details.

External Links

Links to external webpages which provide more application ideas, documents/datasheet or software libraries