MCA230/231/255
PHOTODARLINGTON OPTOCOUPLER
FEATURES
•CTR Minimum MCA230/255, 100% MCA231, 200%
•Isolation Test Voltage, 5300 VACRMS
•Coupling Capacitance, 0.5 pF
•Fast Rise Time, 10 µs
•Fast Fall Time, 35 µs
•Underwriters Lab File #E52744
•VDE #0884 Available with Option 1
DESCRIPTION
The MCA230/231/255 are industry standard optocouplers, consisting of a Gallium Arsenide infrared LED and a silicon phototdarlington. These optocouplers are constructed with a high voltage insulation, double molded packaging process which offers 7.5 KV withstand test capability.
Maximum Ratings |
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Emitter |
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Reverse Voltage ................................................. |
|
6 V |
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Continuous Forward Current ........................ |
|
60 mA |
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Power Dissipation at 25°C.......................... |
|
135 mW |
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Derate Linearly from 25°C ...................... |
|
1.8 mW/°C |
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Detector |
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Collector-Emitter Breakdown Voltage |
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||
MCA230/231 ................................................. |
|
30 V |
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MCA255 ........................................................ |
|
55 V |
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Emitter-Collector Breakdown Voltage |
................7 V |
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Collector-Base Breakdown Voltage |
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MCA230/231 ................................................. |
|
30 V |
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MCA255 ........................................................ |
|
55 V |
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Power Dissipation at 25°C.......................... |
|
210 mW |
|
Derate Linearly from 25°C ...................... |
|
2.8 mW/°C |
|
Package |
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|
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Total Package Dissipation at 25°C |
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||
(LED plus Detector) ................................ |
|
260 mW |
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Derate Linearly from 25°C ...................... |
|
3.5 mW/°C |
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Storage Temperature .................. |
–55°C to +150°C |
||
Operating Temperature .............. |
–55°C to +100°C |
||
Lead Soldering Time at 260°C .................... |
|
10 sec. |
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Isolation Test Voltage ........................ |
|
5300 VACRMS |
|
Isolation Resistance |
|
1012 Ω |
|
V |
=500 V, T =25°C.................................. |
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|
IO |
A |
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1011 Ω |
V |
=500 V, T =100°C................................ |
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|
IO |
A |
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Dimensions in inches (mm) |
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2 |
1 |
Pin One ID. |
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3 |
Anode |
1 |
6 |
Base |
||
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||||
.248 (6.30) |
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Cathode |
2 |
5 |
Collector |
.256 (6.50) |
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||||
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4 |
5 |
6 |
NC |
3 |
4 |
Emitter |
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|
.335 (8.50) |
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|
|
.343 (8.70) |
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|
.039 |
|
.300 (7.62) |
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typ. |
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(1.00) |
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min. |
.130 (3.30) |
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.150 (3.81) |
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4° |
|
18°typ. |
.110 (2.79) |
typ. |
.020 (.051) min. |
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|
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.010 (.25) |
.150 (3.81) |
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|
.031 (0.80) |
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.018 (0.45) |
.014 (.35) |
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|
.035 (0.90) |
.300 (7.62) |
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|
.022 (0.55) |
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||
.100 (2.54) typ. |
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||
|
.347 (8.82) |
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Characteristics (TA=25°C)
|
Symbol |
Min. |
Typ. |
Max. |
Unit |
Condition |
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Emitter |
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Forward Voltage |
VF |
|
1.1 |
1.5 |
V |
IF=50 mA |
Reverse Current |
IR |
|
|
10 |
µA |
VR=3 V |
Junction |
CJ |
|
50 |
|
pF |
VR=3 V |
Capacitance |
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Detector |
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BVCEO |
|
30 |
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V |
IC=100 µA, IF=0 mA |
MCA230/231 |
|
30 |
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V |
IC=100 µA, IF=0 mA |
MCA255 |
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BVECO |
|
7 |
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V |
IE=10 µA, IF=0 mA |
BVCBO |
|
30 |
|
|
V |
IC=10 µA, IF=0 mA |
MCA230/231 |
|
55 |
|
|
V |
IC=10 µA, IF=0 mA |
MCA55 |
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ICEO |
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100 |
nA |
VCE=10 V, IF=0 mA |
Package |
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VCEsat |
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0.8 |
V |
ICE=2 mA, IF=16 mA |
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1.0 |
V |
IC=IF=50 mA |
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1.0 |
V |
IC=2 mA, IF=1 mA |
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1.0 |
V |
IC=10 mA, IF=5 mA |
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1.2 |
V |
IC=50 mA, IF=10 mA |
DC Current |
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Transfer Ratio |
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MCA230/255 |
CTR |
100 |
|
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% |
VCE=5 V, IF=10 mA |
MCA231 |
CTR |
200 |
|
|
% |
VCE=5 V, IF=1 mA |
Capacitance |
|
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Input to Output |
CIO |
|
0.5 |
|
pF |
|
Switching Times |
ton |
|
10 |
|
µs |
RL=100 Ω |
|
toff |
|
35 |
|
µs |
VCE=10 V |
5–1