Beijing Silk Road Enterprise Management Services Co., Ltd.
| Rise time | 9us |
| Fall time | 8us |
| Output Current | 50mA |
| Vce Saturation(VCE(sat)) | 60mV@20mA,1mA |
| Operating Temperature | -55℃~+110℃ |
| Load Voltage | 80V |
| Reverse Voltage | 6V |
| Current transfer ratio | 130%;260% |
| Forward Current(If) | 50mA |
| Pd - Power Dissipation | 200mW |
| Number of Channels | 1 |
| Load Type | Phototransistor |
| Input type | DC |
| Isolation Voltage(Vrms) | 3.75kV |
| Description | 50mA 60mV@20mA,1mA 80V 6V DC SOP-4-2.54mm Transistor, Photovoltaic Output Optoisolators RoHS |
| Mfr. Part # | CT357B(T1) |
| Package | SOP-4-2.54mm |
| Model Number | CT357B(T1) |
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Product Specification
| Rise time | 9us | Fall time | 8us |
| Output Current | 50mA | Vce Saturation(VCE(sat)) | 60mV@20mA,1mA |
| Operating Temperature | -55℃~+110℃ | Load Voltage | 80V |
| Reverse Voltage | 6V | Current transfer ratio | 130%;260% |
| Forward Current(If) | 50mA | Pd - Power Dissipation | 200mW |
| Number of Channels | 1 | Load Type | Phototransistor |
| Input type | DC | Isolation Voltage(Vrms) | 3.75kV |
| Description | 50mA 60mV@20mA,1mA 80V 6V DC SOP-4-2.54mm Transistor, Photovoltaic Output Optoisolators RoHS | Mfr. Part # | CT357B(T1) |
| Package | SOP-4-2.54mm | Model Number | CT357B(T1) |
The CT357 Series is a general-purpose, DC input phototransistor optocoupler featuring a 4-pin Mini-Flat package. It offers high isolation of 3750 VRMS and a wide operating temperature range of -55 C to 110 C. Available with multiple Current Transfer Ratio (CTR) selections, this optocoupler is suitable for applications such as DC-DC converters, programmable controllers, telecommunication equipment, and hybrid substrates requiring high-density mounting. The product is manufactured with a green package and holds various regulatory approvals including UL, VDE, CQC, and IEC standards.
| Parameter | Rating | Units | Notes |
|---|---|---|---|
| Absolute Maximum Ratings (at 25C) | |||
| Isolation Voltage (VISO) | 3750 | VRMS | |
| Operating Temperature (TOPR) | -55 ~ +110 | C | |
| Storage Temperature (TSTG) | -55 ~ +150 | C | |
| Soldering Temperature (TSOL) | 260 | C | |
| Total Power Dissipation (PTOT) | 200 | mW | |
| Emitter Characteristics | |||
| Forward Current (IF) | 50 | mA | |
| Peak Transient Current (IF(TRANS)) | 1 | A | 1s P.W, 300pps |
| Reverse Voltage (VR) | 6 | V | |
| Power Dissipation (PD) | 70 | mW | |
| Detector Characteristics | |||
| Power Dissipation (PC) | 150 | mW | |
| Collector-Emitter Breakdown Voltage (BVCEO) | 80 | V | |
| Emitter-Collector Breakdown Voltage (BVECO) | 6 | V | |
| Collector Current (IC) | 50 | mA | |
| Electrical Characteristics (TA = 25C unless otherwise specified) | |||
| Forward Voltage (VF) | 1.24 (Typ) | V | IF=10mA |
| Reverse Current (IR) | - (Max) 5 | A | VR = 6V |
| Input Capacitance (CIN) | - (Typ) 30 | pF | f=1MHz |
| Collector-Emitter Breakdown Voltage (BVCEO) | 80 | V | IC= 100A |
| Emitter-Collector Breakdown Voltage (BVECO) | 7 | V | IE= 1mA |
| Collector-Emitter Dark Current (ICEO) | - (Max) 100 | nA | VCE= 20V, IF=0mA |
| Transfer Characteristics | |||
| Current Transfer Ratio (CTR) CT357 | 50 (Min) - 600 (Max) | % | IF= 5mA, VCE= 5V |
| Current Transfer Ratio (CTR) CT357A | 80 (Min) - 160 (Max) | % | IF= 5mA, VCE= 5V |
| Current Transfer Ratio (CTR) CT357B | 130 (Min) - 260 (Max) | % | IF= 5mA, VCE= 5V |
| Current Transfer Ratio (CTR) CT357C | 200 (Min) - 400 (Max) | % | IF= 5mA, VCE= 5V |
| Current Transfer Ratio (CTR) CT357D | 300 (Min) - 600 (Max) | % | IF= 5mA, VCE= 5V |
| Collector-Emitter Saturation Voltage (VCE(SAT)) | - (Typ) 0.06 - (Max) 0.2 | V | IF= 20mA, IC= 1mA |
| Isolation Resistance (RIO) | 5x1010 | VIO= 500VDC | |
| Isolation Capacitance (CIO) | - (Typ) 0.5 - (Max) 1 | pF | f=1MHz |
| Switching Characteristics | |||
| Rise Time (tr) | - (Typ) 6 | s | IC= 2mA, VCE= 2V, RL= 100 |
| Fall Time (tf) | - (Typ) 8 | s | IC= 2mA, VCE= 2V, RL= 100 |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer
Year Established:
2009
Employee Number:
300~500
Ecer Certification：
Verified Supplier
Beijing Silk Road Enterprise Management Services Co.,Ltd. is a professional company focus on integrated circuit ic business. Beijing Silk Road will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Foun... Beijing Silk Road Enterprise Management Services Co.,Ltd. is a professional company focus on integrated circuit ic business. Beijing Silk Road will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Foun...
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