Details, datasheet, quote on part number: KB837
CategoryOptoelectronics => Display
DescriptionMaterial: , Wavelength:
CompanyKingbright USA Corporation
DatasheetDownload KB837 datasheet
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Features, Applications


1.High isolation voltage between input and output (Viso=5000 Vrms) 2.Compact dual-in-line package KB837:1-channel type by UL and CUL, file NO. E225308


(3-channel) is optically coupled isolators containing a GaAs light emitting diode and an NPN silicon phototransistor. 2.The lead pitch 2.54mm 3.Solid insulation thickness between emitting diode and output phototransistor: 0.6mm.


1.Computer terminals 2.Registers, copiers, automatic vending machines 3.System appliances, measuring instruments 4.Programmable logic controller 5.Signal transmission between circuits of different potentials and impedances

TOLERANCE UNLESS OTHERWISE NOTED. Internal connection diagram

Forward current Input Reverse voltage Power dissipation Collector-emitter voltage Output Emitter-collector voltage Collector current Collector power dissipation Total power dissipation

Parameter Forward voltage Input Peak forward voltage Reverse current Output Collector dark current
Symbol VF VFM IR ICEO CTR VCE(sat) fc Rise time Fall time tr tf
Collector-emitter saturation voltage Cut-off frequency Response time

Classification table of current transfer ratio is shown below. Ic CTR= X 100% Model No. KB837AD KB837 Rank mark or D A,B or C B,C or D A,B,C D L, A,B,C,D or No mark CTR to 600


Some Part number from the same manufacture Kingbright USA Corporation
KB837-B Material: , Wavelength:
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