PRODUCT
SPECIFICATION
DATE：05/05/2011
NO.62P42005
SHEET 1 OF 6
REV.
3
cosmo
ELECTRONICS CORPORATION
Photocoupler：
KMOC3081H
Zero Crossing Optoisolators TRIAC
Driver Output (800V Volts Peak)
Features
1. Compact long creepage distance type package.
2. 800V peak blocking voltage.
3. Isolation voltage between input and output (Viso：5000Vrms).
For 115/240 Vac(rms) Application：
1. Solenoid/Valve Controls.
2. Lighting Controls.
3. Static Power Switches.
4. AC Motor Drives.
5. Temperature Controls.
6. E.M. Contactors.
7. AC Motor Starters.
8. Solid State Relays.
9. Programmable controllers.
PRODUCT
SPECIFICATION
DATE：05/05/2011
NO.62P42005
SHEET 2 OF 6
REV.
3
cosmo
ELECTRONICS CORPORATION
Photocoupler：
KMOC3081H
1. OUTSIDE DIMENSION：UNIT (mm)
3 0 8 1
X X X
Anode
7 . 3 0
D a t e C o d e
1 0 . 1 6 ( t y p . )
6 . 5 0
3 . 5 0
3 . 0 0
0 . 2 5
1 . 2 0
1 0 - 1 2
5 . 0 8
2 . 5 4
0 . 5
2 . 7 0
0 . 3
TOLERANCE :
±0.2mm
2. SCHEMATIC：TOP VIEW
1
2
3
Zero
Crossing
Circuit
6
4
1. Anode
2. Cathode
3. NC
4. Main Terminal
6. Main Terminal
PRODUCT
SPECIFICATION
DATE：05/05/2011
NO.62P42005
SHEET 3 OF 6
REV.
3
cosmo
ELECTRONICS CORPORATION
Forward current
Input
Photocoupler：
KMOC3081H
Parameter
Symbol
Absolute Maximum Ratings
Rating
50
1
6
70
800
100
1
300
330
5000
-40 to +100
-50 to +125
260
Unit
mA
A
V
mW
V
PEAK
mA
A
mW
mW
Vrms
℃
℃
℃
I
F
I
FM
V
R
P
D
V
DRM
I
T(RMS)
I
TSM
P
D
P
tot
V
iso
T
opr
T
stg
T
sol
Peak forward current
Reverse voltage
Power dissipation
Off-State Output Terminal voltage
Output
On-State R.M.S. Current
Peak Repetitive Surge Current (PW=10ms.DC 10%)
Power dissipation
Total power dissipation
Isolation voltage 1 minute
Operating temperature
Storage temperature
Soldering temperature 10 second
Electro-optical Characteristics
Parameter
Forward voltage
Input
Reverse current
Peak Blocking Current
Output
ON-State Voltage
Holding Current
Symbol
V
F
I
R
I
DRM
V
TM
I
H
Conditions
I
F
=10mA
V
R
=4V
V
DRM
=800V
I
TM
=100mA
Min.
-
-
-
-
-
600
-
-
5x10
10
-
Typ.
1.2
-
-
1.8
0.1
-
10
-
10
11
-
Max.
1.4
10
500
3
-
-
20
500
-
15
Unit
V
uA
nA
V
mA
V/uS
V
uA
Ohm
mA
Critical rate of rise of OFF-state
dV/dt
V
DRM
=(1/
2
)*Rated
voltage
Tranfer Inhibit Voltage (MT1-MT2 Voltage
charac- above which device not trigger.)
teristics
Leakage in Inhibited State
Isolation resistance
Minimum trigger current
V
INH
I
DRM2
IF=15mA
I
F
=Rated I
FT
, Rated V
DRM
,
Off State
DC500V
Main Terminal Voltage=3V
R
iso
I
FT
PRODUCT
SPECIFICATION
DATE：05/05/2011
NO.62P42005
SHEET 4 OF 6
REV.
3
cosmo
ELECTRONICS CORPORATION
50
Photocoupler：
KMOC3081H
Diode Power Dissipation P
D
(mW)
100
80
70
60
40
20
0
-30
Fig.1 Forward Current vs.
Ambient Temperature
Fig.2 Diode Power Dissipation vs.
Ambient Temperature
Forward Current I
F
(mA)
40
30
20
10
0
-30
0
25
55
75
100
125
0
25
50
75
100
Ambient Temperature Ta(℃)
Ambient Temperature Ta(℃)
Fig.3 On-State R.M.S. Current
vs. Ambient Temperature
On-State R.M.S. Current (mA)
Total Power Dissipation P
C
(mW)
0
25
55
75
100
125
120
100
80
60
40
20
0
-30
Fig.4 Total Power Dissipation vs.
Ambient Temperature
600
500
400
330
300
200
100
0
-30
0
25
50
75
100
Ambient Temperature Ta(℃)
Ambient Temperature Ta(℃)
Fig.5 Peak Forward Current
vs. Duty Ratio
10000
Pulse width <=100us
Fig.6 Forward Current
vs. Forward Voltage
500
Peak Forward Current I
FM
(mA)
Ta=25°C
Forward Current I
F
(mA)
200
100
50
20
10
5
2
1
0
0.5
1.0
1.5
2.0
2.5
3.0
Ta=75°C
50°C
25°C
0°C
-25°C
1000
100
10
10
-3
10
-2
10
-1
1
Duty Ratio
Forward Voltage V
F
(V)
PRODUCT
SPECIFICATION
DATE：05/05/2011
NO.62P42005
SHEET 5 OF 6
REV.
3
cosmo
ELECTRONICS CORPORATION
+400
+300
Output Pulse Width 80us
I
F
=30mA,f=60Hz,Ta=25°C
Photocoupler：
KMOC3081H
1.4
Fig.7 On-State Characteristics
Fig.8 Inhibit Voltage vs. Temperature
On-State Current (mA)
V
INH
, Normalized
+200
+100
0
-100
-200
-300
-400
-3
-2
-1
0
+1
+2
+3
Normalized to Ta=25°C
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
-40
-20
0
20
40
60
80
100
On-State Voltage (V)
Ambient Temperature Ta(℃)
Fig.9 Leakage with LED off vs.
Ambient Temperature
500
Fig.10 I
DRM2
,Leakage in Inhibit
State vs. Temperature
1.5
1.4
Peak Blocking Current I
DRM
(nA)
I
F
=0,V
DRM
=Rated
200
I
DRM2
Normalized
IF=RATED IFT
1.3
1.2
1.1
1
0.9
0.8
0.7
0.6
100
50
20
10
5
-40 -20 0 20 40 60 80 100
-40
-20
0
20
40
60
80
100
Ambient Temperature Ta(℃)
Ambient Temperature Ta(℃)
Fig.11 Trigger Current vs.
Ambient Temperature
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
-40 -20
0
Normalized To Ta=25°C
I
FT
, Normalized
20
40
60
80 100
Ambient Temperature Ta(℃)
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