PHOTOCOUPLERKB357NTFeatures
1.Opaque type,mini-flat package.
2.Subminiature type(The volume is smaller than that of our conventional DIP type by as far as 30%).
3.Isolation voltage between input and output Viso:3750Vrms.4.Employs double transfer mold technology.5.Recognized by UL and CUL, file NO.E225308.6.Package: 1000Pcs / Reel.7.RoHS Compliant.Applications
1.Hybrid substrates that require high density mounting.2.Programmable controllers.
*PACKAGE DIMENSIONS (UNIT:mm)SMD Type
UNIT : MM[INCH]
TOLERANCE : ±0.5[±0.02] UNLESS OTHERWISE NOTED.
SPEC NO: DSAD2841APPROVED: J. Lu
REV NO: V.7 DATE: APR/06/2005 PAGE: 1OF 7
CHECKED: Tracy Deng DRAWN: Y.W.WANG ERP:1205000034
元器件交易网www.cecb2b.com
PHOTOCOUPLERKB357NT*Absolute Maximum Ratings (Ta=25°C)
ParameterForward current
Input
Reverse VoltagePower dissipationCollector-emitter voltageEmitter-collector voltage
Output
Collector current
Collector power dissipation
Total power dissipation
*1
SymbolIFVRPVCEOVECOICPCP totV isoT oprT stgT sol
Rating5067035 6501501703750-30 to +100-40 to +125
260
UnitmAVmWVVmAmWmWVrms°C°C°C
Isolation voltage
Operating temperatureStorage temperature
*2
Soldering temperature
*1 40 to 60％RH, AC for1 minute.*2 For 10 seconds.
*Electro-optical Characteristics
Parameter Forward voltage
Input
Peak forward voltage Reverse Current
Output Transfercharact-eristics
Collector dark current Current transfer ratio
Collector-emitter saturation voltage
Rise time
Responsetime
Fall time
SymbolVFVFMIRICEOCTRVCE (sat)
trtr
Vce=2V IC=2mA
RL=100ΩConditionsIF=20mAIFM=0.5AVR=4VVce=20V IF=0IF=5mA Vce=5VIF=20mA IC=1mA
Min.----50--Typ.1.2-----43
Max.1.43.010
UnitVVuA
10-7 A 6000.21818
％VuSuS
Model No.KB357NLTKB357N1TKB357N2TKB357N3TKB357N4TKB357N5TKB357N6TKB357N7TKB357N8TKB357N9TKB357N0TKB357NT
Rank mark
LABCDA or BB or CC or DA,B or CB,C or DA,B,C or DL,A,B,C,D or No mark
CTR(%)50 to 10080 to 160130 to 260 200 to 400300 to 60080 to 260 130 to 400200 to 60080 to 400130 to 60080 to 60050 to 600
SPEC NO: DSAD2841APPROVED: J. Lu
REV NO: V.7 DATE: APR/06/2005 PAGE: 2OF 7
CHECKED: Tracy Deng DRAWN: Y.W.WANG ERP:1205000034
元器件交易网www.cecb2b.com
PHOTOCOUPLERKB357NTFig. 1 Current Transfer Ratio vs. Forward CurrentFig. 2 Forward Current vs. Forward voltage
Fig. 3 Collector Current vs. Collector-emitter VoltageFig. 4 Relative Current Transfer Ratio vs. Ambient Temperature
Fig. 5 Collector-emitter Saturation
Voltage vs. Ambient Temperature
Fig. 6 Response Time vs. Load Resistance
SPEC NO: DSAD2841APPROVED: J. Lu
REV NO: V.7 DATE: APR/06/2005 PAGE: 3OF 7
CHECKED: Tracy Deng DRAWN: Y.W.WANG ERP:1205000034
元器件交易网www.cecb2b.com
PHOTOCOUPLERKB357NTFig. 7 Collector-emitter Saturation Voltage vs. Forward CurrentFig. 8 Collector Dark Current vs. Ambient TemperatureTest Circuit for Response TimeSPEC NO: DSAD2841APPROVED: J. Lu
REV NO: V.7 DATE: APR/06/2005 PAGE: 4OF 7
CHECKED: Tracy Deng DRAWN: Y.W.WANG ERP:1205000034
元器件交易网www.cecb2b.comPHOTOCOUPLERKB357NT* NOTES ON HANDLING1.Recommended soldering conditions (Dip soldering)(1) Dip solderingTemperatureTimeCycleFlux 260 or below (molten solder temperature)Less than 10 seconds.One cycle allowed to be dipped in solder including plastic nold portion.Rosin flux containing small amount of chlorine (The flux with a maximum chlorine content of 0.2 Wt % is recommended.)(2) CautionsFluxesAvoid removing the residual flux with freon-based and chlorine-based cleaning solvent.2.Cautions regarding noiseBe aware that power is suddenly into the component any surge current may cause damage happen,even if the voltage is within the absolute maximum ratings.SPEC NO: DSAD2841APPROVED: J. Lu
REV NO: V.7 DATE: APR/06/2005 PAGE: 5OF 7
CHECKED: Tracy Deng DRAWN: Y.W.WANG ERP:1205000034
元器件交易网www.cecb2b.com
PHOTOCOUPLERKB357NTNOTES ON HANDLING1.Recommended soldering conditions(1).Infrared reflow solderingPeak reflow temperature 235°C or below(package surface temperature)Time of temperature higher than 210°C 30 seconds or lessNumber or reflows ThreeFlux Rosin flux containing small amount of chlorine(The flux with a maximum chlorine content of 0.2Wt% is recommended.) Recommended Temperature Profile of infrared Reflow(heating) to 10 s235°C (peak temperature)to 30 s100 to 160°C 60 to 120s(preheating)210°CPackage surface Temperature T(°C)CAUTIONWithin this device there exists GaAs (Gallium Arsenide) material which is a harmful substance if ingested.GaAs dust and fumes are toxic. Do not break, cut or pulverize the product, or use chemicals to dissolve them.RESTRICTIONS ON PRODUCT USEThe information in this document is subject to change without notice. Before using this document, please confirm that this is the latest version. Not all devices / types availablein every country.We are mention about our product quality stablity, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing KINGBRIGHT products, to observestandards of safety, and to a avoid situations in which a malfunction or failure of a KINGBRIGHT product could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that KINGBRIGHT products are used withinspecified operating ranges as set forth in the most recent products specifications.SPEC NO: DSAD2841APPROVED: J. Lu
REV NO: V.7 DATE: APR/06/2005 PAGE: 6OF 7
CHECKED: Tracy Deng DRAWN: Y.W.WANG ERP:1205000034
元器件交易网www.cecb2b.com
PHOTOCOUPLERKB357NTOutlineandDimension(Tape)(Units : mm)
Tape Direction
OutlineandDimension(Reel)Packing:1000pcs/reelSPEC NO: DSAD2841APPROVED: J. Lu
REV NO: V.7 DATE: APR/06/2005 PAGE: 7OF 7
CHECKED: Tracy Deng DRAWN: Y.W.WANG ERP:1205000034
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