AC input optocoupler CT MICRO CT354 T1 with phototransistor output and 3750 VRMS isolation voltage
Product Overview
The CT354 is an AC input optocoupler featuring a phototransistor optically coupled to two gallium arsenide infrared-emitting diodes, housed in a 4-pin Mini-Flat package. It offers high isolation of 3750 VRMS and operates within a temperature range of -55 C to 110 C. This series is designed for applications such as switch mode power supplies, computer peripheral interfaces, and microprocessor system interfaces. It is compliant with various regulatory approvals including UL, VDE, CQC, and IEC standards.
Product Attributes
- Brand: CT Micro
- Package Type: 4-Pin Mini-Flat
- Input Type: AC Input
- Output Type: Phototransistor
- Certifications: UL - UL1577 (E364000), VDE - EN60747-5-5(VDE0884-5), CQC GB4943.1, GB8898, IEC60065, IEC60950
Technical Specifications
| Parameter | Rating | Units | Notes |
|---|---|---|---|
| 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 Forward Current (IF) | 50 | mA | |
| Emitter Peak Transient Current (IF(TRANS)) | 1 | A | 1s P.W, 300pps |
| Emitter Power Dissipation (PD) | 70 | mW | |
| Detector Power Dissipation (PC) | 150 | mW | |
| Collector-Emitter Breakdown Voltage (BVCEO) | 80 | V | |
| Emitter-Collector Breakdown Voltage (BVECO) | 7 | V | |
| Collector Current (IC) | 50 | mA | |
| Forward Voltage (VF) | 1.24 (Typ) | V | IF=10mA |
| Input Capacitance (CIN) | 45 (Typ) | pF | f=1kHz |
| Collector-Emitter Dark Current (ICEO) | 100 (Max) | nA | VCE=20V, IF=0mA |
| Current Transfer Ratio (CTR) CT354 | 20 - 300 | % | IF= 1mA, VCE= 5V |
| Current Transfer Ratio (CTR) CT354A | 50 - 150 | % | IF= 1mA, VCE= 5V |
| Collector-Emitter Saturation Voltage (VCE(SAT)) | 0.1 (Typ) | V | IF= 20mA, IC= 1mA |
| Isolation Resistance (RIO) | 5x1010 (Min) | VIO= 500VDC | |
| Isolation Capacitance (CIO) | 0.6 (Typ) | pF | f=1MHz |
| Rise Time (tr) | 6 (Typ) | s | IC= 2mA, VCE= 2V, RL= 100 |
| Fall Time (tf) | 8 (Typ) | s | IC= 2mA, VCE= 2V, RL= 100 |
2410121512_CT-MICRO-CT354-T1_C453462.pdf
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