General Purpose Optocoupler CT MICRO CT185GB T1 Featuring Multiple Current Transfer Ratio Selections
Key Attributes
Model Number:
CT185GB(T1)
Product Custom Attributes
Fall Time:
9us
Output Current:
50mA
Rise Time:
5us@2mA,100Ω
Vce Saturation(VCE(sat)):
300mV@2.4mA,8mA
Operating Temperature:
-55℃~+110℃
Load Voltage:
80V
Reverse Voltage:
6V
Current Transfer Ratio:
100%;400%
Forward Current(If):
50mA
Number Of Channels:
1
Load Type:
Phototransistor
Input Type:
DC
Isolation Voltage(Vrms):
3.75kV
Mfr. Part #:
CT185GB(T1)
Package:
SOP-4-2.54mm
Product Description
Product Overview
The CT185GB is a general-purpose optocoupler featuring a phototransistor optically coupled to a gallium arsenide infrared-emitting diode, housed in a 4-lead Mini-Flat package. It offers high isolation of 3750 VRMS, a creepage distance of 5mm, and an operating temperature range of -55 C to 110 C. This green package optocoupler is suitable for applications such as DC-DC converters, programmable controllers, and telecommunication equipment, particularly in hybrid substrates requiring high-density mounting. Multiple Current Transfer Ratio (CTR) selections are available.
Product Attributes
- Brand: CT Micro
- Package Type: 4-Pin Mini-Flat
- Emitting Diode: Gallium Arsenide Infrared-emitting diode
- Detector: Phototransistor
- Color: Green Package
- Regulatory Approvals (Pending): UL - UL1577, VDE - EN60747-5-5, CQC GB4943.1, GB8898, IEC60065, IEC60950
Technical Specifications
| Parameter | Ratings | 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: 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 | |
| Detector: Collector-Emitter Breakdown Voltage (BVCEO) | 80 | V | |
| Detector: Emitter-Collector Breakdown Voltage (BVECO) | 7 | V | |
| Detector: Collector Current (IC) | 50 | mA | |
| Electrical Characteristics (TA = 25C unless otherwise specified) | |||
| Emitter Characteristics | |||
| Forward Voltage (VF) | - | 1.24 - 1.4 | V (IF=10mA) |
| Reverse Current (IR) | - | - 5 | A (VR=5V) |
| Input Capacitance (CIN) | - | 10 - 250 | pF (f=1MHz) |
| Detector Characteristics | |||
| Collector-Emitter Breakdown Voltage (BVCEO) | 80 | - | V (IC=500A) |
| 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 - | pF (f=1MHz) |
| Transfer Characteristics | |||
| Current Transfer Ratio (CTR) | 100 - 400 | % | (IF=5mA, VCE=5V) |
| Current Transfer Ratio (CTR) | 30 - | - | % (IF=1mA, VCE=0.4V) |
| Collector-Emitter Saturation Voltage (VCE(SAT)) | - | - 0.3 | V (IF=8mA, IC=2.4mA) |
| Off-state Collector Current (IC(off)) | - | 1 - 10 | A (VCE=48V, VF=0.7V) |
| Isolation Characteristics | |||
| Isolation Resistance (RIO) | 1x1012 - 1014 | (VIO=500VDC) | |
| Isolation Capacitance (CIO) | - | 0.5 - | pF (f=1MHz) |
| Isolation Voltage (VISO) | 3750 | Vrms | AC, 60s |
| Isolation Voltage (VISO) | 10000 | - | Vrms (AC, 1s in oil) |
| Isolation Voltage (VISO) | 10000 | - | VDC (DC, 60s in oil) |
| Switching Characteristics | |||
| Rise Time (tr) | - | 5 - | s (VCC=10V, IC=2mA, RL=100) |
| Fall Time (tf) | - | 9 - | s |
| Turn-on Time (ton) | - | 9 - | s |
| Turn-on Time (ton) | - | 2 - | s (VCC=5V, IF=16mA, RL=1.9k) |
| Storage Time (ts) | - | 30 - | s |
| Turn-off Time (toff) | - | 70 - | s |
2410121512_CT-MICRO-CT185GB-T1_C191836.pdf
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