CT MICRO CT184GB T1 4 Pin Mini Flat Phototransistor Optocoupler Suitable for Industrial Applications
Product Overview
The CT184GB is a 4-pin Mini-Flat phototransistor optocoupler from CT Micro, designed for high-isolation applications. It features a phototransistor optically coupled to two gallium arsenide infrared-emitting diodes, offering high isolation voltage of 3750 VRMS and a wide operating temperature range of -55 C to 110 C. The device is available with multiple CTR selections and boasts a creepage distance of 5mm. Its green package and pending regulatory approvals from UL, VDE, CQC, and IEC make it suitable for demanding industrial environments. Applications include DC-DC converters, programmable controllers, telecommunication equipment, and hybrid substrates requiring high-density mounting.
Product Attributes
- Brand: CT Micro
- Package Type: 4-Pin Mini-Flat
- Color: Green Package
- Certifications (Pending Approval): UL - UL1577, VDE - EN60747-5-5, CQC GB4943.1, GB8898, IEC60065, IEC60950
Technical Specifications
| Parameter | Rating | Unit | 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 Reverse Voltage (VR) | 6 | V | |
| 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 - 1.4 | V | IF = 10 mA |
| Reverse Current (IR) | - 5 | A | VR = 5V |
| Input Capacitance (CIN) | 10 - 250 | pF | f = 1MHz |
| Collector-Emitter Breakdown Voltage (BVCEO) | 80 | V | IC = 100A |
| Emitter-Collector Breakdown Voltage (BVECO) | 7 | V | IE = 100A |
| Collector-Emitter Dark Current (ICEO) | 0.01 - 0.08 | A | VCE = 48V |
| Collector-Emitter Dark Current (ICEO) | 2 - 50 | A | VCE = 48V, TA = 85C |
| Collector-Emitter Capacitance (CCE) | 10 | - | f = 1MHz |
| Current Transfer Ratio (CTR) | 100 - 400 | % | IF = 5mA, VCE = 5V |
| Current Transfer Ratio (CTR) | 30 - | % | IF = 1mA, VCE = 0.4V |
| CTR Symmetry | 0.5 - 2 | - | IF = 5mA, VCE = 5V |
| Collector-Emitter Saturation Voltage (VCE(SAT)) | - 0.4 | V | IF = 8mA, IC = 2.4mA |
| Off-state collector current (IC(off)) | 1 - 10 | A | VCE = 48V, VF = 0.7V |
| Isolation Resistance (RIO) | 1x10^12 - 10^14 | VIO = 500VDC | |
| Isolation Capacitance (CIO) | 0.5 | - | f=1MHz |
| Isolation Voltage (VISO) | 3750 | Vrms | AC, 60s |
| Isolation Voltage (VISO) | 10000 | - | AC, 1s in oil |
| Isolation Voltage (VISO) | 10000 | - | DC, 60s in oil |
| Rise Time (tr) | 5 | s | VCC = 10V, IC = 2mA, RL = 100 |
| Fall Time (tf) | 9 | - | |
| Turn-on time (ton) | 9 | - | |
| Turn-off time (toff) | 9 | - | |
| Turn-on time (ton) | 2 | - | VCC = 5V, IF = 16mA, RL = 1.9k |
| Storage time (ts) | 30 | - | |
| Turn-off time (toff) | 70 | - |
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