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Photocoupler 4 PIN MINI FLAT SOP package Cosmo KPC357NT0CTLD with high isolation voltage and RoHS compliance

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Photocoupler 4 PIN MINI FLAT SOP package Cosmo KPC357NT0CTLD with high isolation voltage and RoHS compliance

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 : 600%;50%

Forward Current(If) : 50mA

Number of Channels : 1

Load Type : Phototransistor

Input type : DC

Isolation Voltage(Vrms) : 3.75kV

Description : 50mA 100mV@1mA,20mA 80V 6V DC SOP-4-2.54mm Transistor, Photovoltaic Output Optoisolators RoHS

Mfr. Part # : KPC357NT0CTLD

Model Number : KPC357NT0CTLD

Package : SOP-4-2.54mm

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Cosmo KPC357NT Series 4-PIN MINI-FLAT PHOTOTRANSISTOR PHOTOCOUPLER

The KPC357NT is a DC-input, single-channel photocoupler featuring a light-emitting diode optically coupled to a phototransistor. Housed in a compact 4-pin Mini-Flat (SOP) package with a 2.0mm profile, it offers high-density mounting capabilities. It provides an input-output isolation voltage of 3750 Vrms, making it suitable for applications requiring robust isolation. Key advantages include its Pb-free and RoHS compliance, high current transfer ratio (CTR), and MSL class 1 rating. The device is approved by UL, c-UL, VDE, FIMKO, and CQC.

Product Attributes

  • Brand: Cosmo
  • Model Series: KPC357NT
  • Package: 4-PIN MINI-FLAT (SOP)
  • Certifications: UL Approved (No. E169586), c-UL Approved (No. E169586), VDE Approved (No. 40014684), FIMKO Approved, CQC Approved
  • Compliance: Pb free and RoHS compliant
  • Moisture Sensitivity Level: MSL class 1

Applications

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

Technical Specifications

Parameter Symbol Conditions Min. Typ. Max. Unit
Absolute Maximum Ratings
Input Forward current IF 50 mA
Peak forward current IFM 1 A
Reverse voltage VR 6 V
Power dissipation PD 70 mW
Collector-Emitter voltage VCEO 80 V
Emitter-Collector voltage VECO 5 V
Collector current IC 50 mA
Collector power dissipation PC 150 mW
Total power dissipation Ptot 170 mW
Isolation voltage (1 minute) Viso 3750 Vrms
Operating temperature Topr -55 +115
Storage temperature Tstg -55 +125
Soldering temperature (10 seconds) Tsol 260
Electro-optical Characteristics
Forward voltage VF IF=20mA 1.2 1.4 V
Reverse current IR VR=4V 10 uA
Terminal capacitance Ct V=0, f=1KHZ 30 250 pF
Collector dark current ICEO VCE=20V, IF=0 0.1 uA
Collector-Emitter breakdown voltage BVCEO Ic=100uA , IF=0 80 - - V
Emitter-Collector breakdown voltage BVECO IE=100uA, IF=0 5 - - V
Current transfer ratio CTR IF=5mA, VCE=5V 50 600 %
Current transfer ratio CTR IF=1mA, VCE=5V 15 %
Collector-Emitter saturation voltage VCE(sat) IF=20mA, Ic=1mA 0.1 0.3 V
Isolation resistance Riso DC500V, 40 to 60%RH 5x1010 1011
Floating capacitance Cf V=0, f=1MHZ 0.6 1.0 pF
Response time (Rise) tr Vce=2V,Ic=2mA,RL=100 5 20 us
Response time (Fall) tf 4 20 us

2410121520_Cosmo-KPC357NT0CTLD_C189998.pdf


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