February 2010
MCT6, MCT61, MCT62
Dual Phototransistor Optocouplers
Features
■Two isolated channels per package
■Two packages fit into a 16 lead DIP socket
■Choice of three current transfer ratios
■Underwriters Laboratory (U.L.) recognized File E90700
■VDE approved for IEC60747-5-2
Description
The MCT6X Optocouplers have two channels for density applications. For four channel applications, two-packages fit into a standard 16-pin DIP socket. Each channel is an NPN silicon planar phototransistor optically coupled to a gallium arsenide infrared emitting diode.
Applications
■AC line/digital logic – isolate high voltage transients
■Digital logic/digital logic – eliminate spurious grounds
■Digital logic/AC triac control – isolate high voltage transients
■Twisted pair line receiver – eliminate ground loop feedthrough
■Telephone/telegraph line receiver – isolate high voltage transients
■High frequency power supply feedback control – maintain floating grounds and transients
■Relay contact monitor – isolate floating grounds and transients
■Power supply monitor – isolate transients
Schematic |
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Package Outlines |
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ANODE |
1 |
8 |
EMITTER |
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8 |
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1 |
CATHODE |
2 |
7 |
COLLECTOR |
CATHODE |
3 |
6 |
COLLECTOR |
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8 |
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8 |
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1 |
ANODE |
4 |
5 |
1 |
EMITTER |
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Equivalent Circuit
Optocouplers Phototransistor Dual — MCT62 MCT61, MCT6,
©2006 Fairchild Semiconductor Corporation |
www.fairchildsemi.com |
MCT6, MCT61, MCT62 Rev. 1.0.5 |
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Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only.
Symbol |
Rating |
Value |
Unit |
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TOTAL DEVICE |
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TSTG |
Storage Temperature |
-55 to +150 |
°C |
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TOPR |
Operating Temperature |
-55 to +100 |
°C |
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TSOL |
Lead Solder Temperature |
260 for 10 sec |
°C |
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(Refer to Reflow Temperature Profile) |
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PD |
Total Device Power Dissipation @ TA = 25°C |
400 |
mW |
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Derate above 25°C |
5.33 |
mW/°C |
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EMITTER (Each channel) |
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IF |
Forward Current – Continuous |
60 |
mA |
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IF(pk) |
Forward Current – Peak (PW = 1µs, 300pps) |
3 |
A |
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VR |
Reverse Voltage |
3.0 |
V |
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PD |
LED Power Dissipation @ TA = 25°C |
100 |
mW |
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Derate above 25°C (Total Input) |
1.3 |
mW/°C |
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DETECTOR (Each channel) |
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IC |
Collector Current – Continuous |
30 |
mA |
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PD |
Detector Power Dissipation @ TA = 25°C |
150 |
mW |
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Derate above 25°C |
2.0 |
mW/°C |
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Optocouplers Phototransistor Dual — MCT62 MCT61, MCT6,
©2006 Fairchild Semiconductor Corporation |
www.fairchildsemi.com |
MCT6, MCT61, MCT62 Rev. 1.0.5 |
2 |
Electrical Characteristics (TA = 25°C unless otherwise specified)
Individual Component Characteristics
Symbol |
Parameter |
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Test Conditions |
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Min. |
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Typ.* |
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Max. |
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Units |
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EMITTER |
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VF |
Input Forward Voltage |
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IF = 20mA |
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1.2 |
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1.5 |
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V |
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VR |
Reverse Voltage |
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IR = 10µA |
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3.0 |
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25 |
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V |
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IR |
Reverse Current |
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VR = 5V |
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0.001 |
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10 |
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µA |
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CJ |
Junction Capacitance |
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VF = 0V, f = 1MHz |
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50 |
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pF |
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DETECTOR |
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BVCEO |
Collector-Emitter Breakdown Voltage |
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IC = 1.0mA, IF = 0 |
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30 |
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85 |
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V |
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BVECO |
Emitter-Collector Breakdown Voltage |
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IE = 100µA, IF = 0 |
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6 |
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13 |
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V |
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ICEO |
Collector-Emitter Dark Current |
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VCE = 10V, IF = 0 |
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5 |
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100 |
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nA |
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CCE |
Capacitance |
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VCE = 0V, f = 1MHz |
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8 |
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pF |
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Transfer Characteristics |
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Symbol |
Characteristic |
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Test Conditions |
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Min. |
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Typ.* |
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Max. |
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Units |
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SWITCHING CHARACTERISTICS (AC) |
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ton |
Non-Saturated Turn-on Time |
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RL = 100Ω, IC = 2mA, VCC = 10V |
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2.4 |
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µs |
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toff |
Non-Saturated Turn-off Time |
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2.4 |
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µs |
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CURRENT TRANSFER RATIO, COLLECTOR-EMITTER (DC) |
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CTR |
MCT6 |
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IF = 10mA, VCE = 10V |
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20 |
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% |
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MCT61 |
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IF = 5mA, VCE = 5V |
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50 |
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MCT62 |
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100 |
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VCE(sat) |
Saturation Voltage |
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IF = 16mA, IC = 2mA |
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0.15 |
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0.40 |
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V |
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Isolation Characteristics |
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Symbol |
Characteristic |
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Test Conditions |
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Min. |
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Typ.* |
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Max. |
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Units |
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VISO |
Input-Output Isolation Voltage |
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II-O ≤ 10µA, t = 1min. |
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5000 |
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Vac(rms) |
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R |
ISO |
Isolation Resistance |
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V |
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= 500VDC |
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1011 |
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Ω |
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I-O |
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CISO |
Isolation Capacitance |
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f = 1MHz |
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0.5 |
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pF |
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*All typicals at TA = 25°C
Optocouplers Phototransistor Dual — MCT62 MCT61, MCT6,
©2006 Fairchild Semiconductor Corporation |
www.fairchildsemi.com |
MCT6, MCT61, MCT62 Rev. 1.0.5 |
3 |
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