4 pin Mini Flat SOP photocoupler Cosmo KPC357NT0ATLD featuring 3750 Vrms isolation voltage and compact design
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
| Parameter | Symbol | Conditions | Min. | Typ. | Max. | Unit | |
| Input Characteristics | Forward current | IF | 50 | mA | |||
| Peak forward current | IFM | 1 | A | ||||
| Reverse voltage | VR | 6 | V | ||||
| Power dissipation | PD | 70 | mW | ||||
| Forward voltage | VF | IF=20mA | 1.2 | 1.4 | V | ||
| Output Characteristics | Collector-Emitter voltage | VCEO | 80 | V | |||
| Emitter-Collector voltage | VECO | 5 | V | ||||
| Collector current | IC | 50 | mA | ||||
| Collector power dissipation | PC | 150 | mW | ||||
| Collector dark current | ICEO | VCE=20V, IF=0 | 0.1 | uA | |||
| Transfer Characteristics | 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 voltage (1 minute) | Viso | 3750 | Vrms | ||||
| Capacitance | Terminal capacitance | Ct | V=0, f=1KHZ | 30 | 250 | pF | |
| Floating capacitance | Cf | V=0, f=1MHZ | 0.6 | 1.0 | p F | ||
| Isolation resistance | Riso | DC500V, 40 to 60%RH | 5x1010 | 1011 | |||
| Response Time | Response time (Rise) | tr | Vce=2V,Ic=2mA,RL=100 | 5 | 20 | us | |
| Response time (Fall) | tf | 4 | 20 | us | |||
| Operating Conditions | Total power dissipation | Ptot | 170 | mW | |||
| Operating temperature | Topr | -55 | 115 | ||||
| Storage temperature | Tstg | -55 | 125 | ||||
| Soldering temperature (10 seconds) | Tsol | 260 |
Applications
- Hybrid substrates that require high density mounting
- Programmable controllers
- DC-DC converters
- Telecommunication equipments
2410121520_Cosmo-KPC357NT0ATLD_C136410.pdf
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