4 Pin Mini Flat Photocoupler Cosmo KPC354NT0B Featuring Infrared Emitting Diodes and Phototransistor
Product Overview
The Cosmo KPC354NT Series is a 4-pin Mini-Flat phototransistor photocoupler. It features two infrared emitting diodes, connected in inverse parallel, optically coupled to a phototransistor detector. This series offers high input-output isolation voltage rated at 3750 Vrms and is packaged in a compact 4-pin SOP with a 2.0mm profile, making it suitable for high-density mounting applications. It is Pb-free and RoHS compliant.
Product Attributes
- Brand: Cosmo
- Model Series: KPC354NT
- Certifications: UL Approved (No. E169586), c-UL Approved (No. E169586), VDE Approved (No. 40014684), FIMKO Approved, CQC Approved
- Compliance: Pb free and RoHS compliant
- Package Type: Mini-flat (4 pin SOP)
- MSL Class: 1
Technical Specifications
| Parameter | Symbol | Conditions | Min. | Typ. | Max. | Unit |
| Absolute Maximum Ratings | ||||||
| Input Forward current | IF | ±50 | mA | |||
| Peak forward current | IFM | ±1 | A | |||
| Power dissipation | PD | 70 | mW | |||
| Output 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 | |
| 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=±1mA, VCE=5V | 20 | 400 | % | |
| 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 | Ω | |
| Floating capacitance | Cf | V=0, f=1MHZ | 0.6 | 1.0 | pF | |
| Response time (Rise) | tr | Vce=2V,Ic=2mA,RL=100Ω | 4 | 18 | us | |
| Response time (Fall) | tf | 3 | 18 | us | ||
2410121513_Cosmo-KPC354NT0B_C195045.pdf
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