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THEORY OF OPERATION OPB732 / OPB732WZ
The OPB732 (PCB mount, no mounting tabs) and OPB732WZ
(mounting tabs and wires) are non-focused analog output reflective
sensors designed to operate from .05” [1.27mm] to 2”[50.8mm] or
greater with an output signal significantly above the typical back-
ground signal in a dark environment. These sensors are tested against
a white 90% reflectance white card at a distance of 1.0” to guaran-
tee a minimum Ic (ON) collector current of 0.25mA @ VCE = 0.4V and
IF = 30mA. Other surfaces will give different signal levels.
Infrared light with a center wavelength of about 850nm is emitted
from an LED with a total half power angle (?HP, Beam Angle) around
10 18°. When the light strikes an object, it is reflected back toward
the phototransistor. The amount of current Ic (ON) generated from the
phototransistor is dependent upon the amount of light striking it. The
following graph shows the effect of target distance on the output
current of the OPB732.
OCB100-KIT
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相关代理商/技术参数
OCB100-KIT 制造商:TT Electronics / OPTEK Technology 功能描述:Auto-Calibration Design Kit
OCB-1250 制造商:Heyco Products Inc 功能描述:
OCB-1375 制造商:Heyco Products Inc 功能描述:
OCB-1500 制造商:Heyco Products Inc 功能描述:
OCB350L062Z 功能描述:光学开关（透射型，光电晶体管输出） Calibration Circuit With OPB350L062 RoHS:否 制造商:Omron Electronics 输出设备:Phototransistor 槽宽:3.4 mm 光圈宽度:0.5 mm 集电极—发射极最大电压 VCEO:30 V 最大集电极电流:20 mA 正向电流: 安装风格:Through Hole 最大工作温度:+ 85 C 最小工作温度:- 25 C 封装:
OCB350L125Z 功能描述:光学开关（透射型，光电晶体管输出） Calibration Circuit With OPB350L125 RoHS:否 制造商:Omron Electronics 输出设备:Phototransistor 槽宽:3.4 mm 光圈宽度:0.5 mm 集电极—发射极最大电压 VCEO:30 V 最大集电极电流:20 mA 正向电流: 安装风格:Through Hole 最大工作温度:+ 85 C 最小工作温度:- 25 C 封装:
OCB350L187Z 功能描述:光学开关（透射型，光电晶体管输出） Calibration Circuit With OPB350L187 RoHS:否 制造商:Omron Electronics 输出设备:Phototransistor 槽宽:3.4 mm 光圈宽度:0.5 mm 集电极—发射极最大电压 VCEO:30 V 最大集电极电流:20 mA 正向电流: 安装风格:Through Hole 最大工作温度:+ 85 C 最小工作温度:- 25 C 封装:
OCB350L250Z 功能描述:光学开关（透射型，光电晶体管输出） Calibration Circuit With OPB350L250 RoHS:否 制造商:Omron Electronics 输出设备:Phototransistor 槽宽:3.4 mm 光圈宽度:0.5 mm 集电极—发射极最大电压 VCEO:30 V 最大集电极电流:20 mA 正向电流: 安装风格:Through Hole 最大工作温度:+ 85 C 最小工作温度:- 25 C 封装: