4 pin Mini Flat SOP photocoupler Cosmo KPC357NT0ATLD featuring 3750 Vrms isolation voltage and compact design

Key Attributes
Model Number: KPC357NT0ATLD
Product Custom Attributes
Fall Time:
4us
Output Current:
50mA
Rise Time:
5us@2mA,100Ω
Vce Saturation(VCE(sat)):
100mV@1mA,20mA
Operating Temperature:
-55℃~+115℃
Load Voltage:
80V
Reverse Voltage:
6V
Current Transfer Ratio:
80%;160%
Forward Current(If):
50mA
Number Of Channels:
1
Load Type:
Phototransistor
Input Type:
DC
Isolation Voltage(Vrms):
3.75kV
Mfr. Part #:
KPC357NT0ATLD
Package:
SOP-4-2.54mm
Product Description

Product Overview

The KPC357NT Series is a 4-pin Mini-Flat phototransistor photocoupler from Cosmo Electronics Corp. It features a DC-input single channel with a light-emitting diode optically coupled to a phototransistor, offering high input-output isolation voltage of 3750 Vrms. Its compact 4-pin SOP package with a 2.0mm profile makes it suitable for high-density mounting applications.

Product Attributes

  • Brand: Cosmo
  • Model: KPC357NT Series
  • Package: 4-pin Mini-Flat (SOP)
  • Compliance: Pb free and RoHS compliant
  • Certifications: UL Approved (No. E169586), c-UL Approved (No. E169586), VDE Approved (No. 40014684), FIMKO Approved, CQC Approved
  • MSL Class: 1

Technical Specifications

ParameterSymbolConditionsMin.Typ.Max.Unit
Input CharacteristicsForward currentIF50mA
Peak forward currentIFM1A
Reverse voltageVR6V
Power dissipationPD70mW
Forward voltageVFIF=20mA1.21.4V
Output CharacteristicsCollector-Emitter voltageVCEO80V
Emitter-Collector voltageVECO5V
Collector currentIC50mA
Collector power dissipationPC150mW
Collector dark currentICEOVCE=20V, IF=00.1uA
Transfer CharacteristicsCurrent transfer ratioCTRIF=5mA, VCE=5V50600%
Current transfer ratioCTRIF=1mA, VCE=5V15%
Collector-Emitter saturation voltageVCE(sat)IF=20mA, Ic=1mA0.10.3V
Isolation voltage (1 minute)Viso3750Vrms
CapacitanceTerminal capacitanceCtV=0, f=1KHZ30250pF
Floating capacitanceCfV=0, f=1MHZ0.61.0p F
Isolation resistanceRisoDC500V, 40 to 60%RH5x10101011
Response TimeResponse time (Rise)trVce=2V,Ic=2mA,RL=100520us
Response time (Fall)tf420us
Operating ConditionsTotal power dissipationPtot170mW
Operating temperatureTopr-55115
Storage temperatureTstg-55125
Soldering temperature (10 seconds)Tsol260

Applications

  • Hybrid substrates that require high density mounting
  • Programmable controllers
  • DC-DC converters
  • Telecommunication equipments

2410121520_Cosmo-KPC357NT0ATLD_C136410.pdf

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