KPC355NT Series
cosmo
Description
The KPC355NT series consist of a photodarlington
optically coupled to a gallium arsenide infrared-emitting
diodes in a 4-pin Mini-Flat package. The input-output
4PIN MINI-FLAT PHOTODARLINGTON
PHOTOCOUPLER
1
Schematic
2
4
3
isolation voltage is rated at 3750 Vrms.
1. Anode
2. Cathode
3. Emitter
4. Collector
Features
1. Halogen free
2. Pb free and RoHS compliant
3. High current transfer ratio
(CTR : Min.600% at I
F
=1mA, Vce=2V)
4. High isolation voltage between input and output
(Viso : 3750Vrms)
5. Mini-flat package: compact 4 pin SOP with a 2.0mm profile
6. Agency Approvals:
• UL1577, File No. E169586
• VDE EN 60747-5-2, File No.40014684
• FIMKO EN 60065 , File No. FI 23147 A2
• FIMKO EN 60950-1 File No. FI 24583 A2
• CQC GB4943 / GB8898-2011, File No. CQC10001049555 / CQC08001023986
Applications
• System appliances, measuring instruments
• Industrial robots
• Copiers, automatic vending machines
• Signal transmission between circuits of different potentials and impedances
• Telephone sets
• Copiers, facsimiles
• Interface with various power supply circuits, power distribution boards
• Numerical control machines
Cosmo Electronics Corp.
Document No. 69P04007.1
-1-
http://www.cosmo-ic.com
KPC355NT Series
cosmo
Outside Dimension
4PIN MINI-FLAT PHOTODARLINGTON
PHOTOCOUPLER
Unit : mm
4.40
±
0.5
3.90
±
0.5
0.40
0.50
7.00
±
0.4
2.54
TOLERANCE : ±0.2mm
Device Marking
Notes:
Cosmo
355NT
YWW
□
Y: Year code / WW: Week code
□:CTR
rank
Cosmo Electronics Corp.
Document No. 69P04007.1
-2-
http://www.cosmo-ic.com
0.10
±
0.10
2.0
±
0.5
KPC355NT Series
cosmo
Absolute Maximum Ratings
Parameter
Forward current
Peak forward current
Input
Reverse voltage
Power dissipation
Collector-Emitter voltage
Emitter-Collector voltage
Output
Collector current
Collector power dissipation
Total power dissipation
Isolation voltage 1 minute
Operating temperature
Storage temperature
Soldering temperature 10 seconds
I
C
P
C
Ptot
Viso
Topr
Tstg
Tsol
150
150
170
3750
-55 to +115
-55 to +125
260
mA
mW
mW
Vrms
℃
℃
℃
(Ta=25℃)
Conditions
I
F
=20mA
I
FM
=0.5A
V
R
=4V
V=0, f=1KH
Z
V
CE
=10V, I
F
=0
I
F
=1mA, V
CE
=2V
I
F
=20mA, Ic=1mA
DC500V
V=0, f=1MH
Z
Vcc=5V,Ic=2mA,R
L
=100Ω
Vce=2V,Ic=2mA,R
L
=100Ω
Min.
–
–
–
–
–
600
–
5x10
10
–
–
–
–
Typ. Max.
1.2
–
–
30
–
1.4
3.5
10
–
1.0
Unit
V
V
uA
pF
uA
%
V
Ω
pF
kHz
us
us
V
R
P
D
V
CEO
V
ECO
6
70
35
5
V
mW
V
V
Symbol
I
F
I
FM
Rating
50
1
4PIN MINI-FLAT PHOTODARLINGTON
PHOTOCOUPLER
(Ta=25℃)
Unit
mA
A
Electro-optical Characteristics
Parameter
Forward voltage
Peak forward voltage
Input
Reverse current
Terminal capacitance
Output
Collector dark current
Current transfer ratio
Collector-Emitter
saturation
Transfer Isolation resistance
charac-
teristics Floating capacitance
Cut-off frequency
Response time (Rise)
Response time (Fall)
Symbol
V
F
V
FM
I
R
Ct
I
CEO
CTR
V
CE
(sat)
Riso
Cf
fc
tr
tf
1600 7500
-
-
0.6
7
60
53
1.0
–
1.0
–
300
250
Cosmo Electronics Corp.
Document No. 69P04007.1
-3-
http://www.cosmo-ic.com
KPC355NT Series
cosmo
4PIN MINI-FLAT PHOTODARLINGTON
PHOTOCOUPLER
Fig.1 Current Transfer Ratio
vs. Forward Current
100 00
V
C E
=2V
Ta=25°C
Current Transfer Ratio
CTR ( % )
Classification table of current
transfer ratio is shown below.
CTR RANK
KPC355NT0E
CTR ( % )
Min.600
80 00
60 00
40 00
20 00
0
0 .1
0 .2
0.5
1.0
2
5 .0
10
Forward Current I
F
(mA)
Fig.2 Collector Power Dissipation
vs. Ambient Temperature
Collector Power Dissipation
P
C
( mW )
Fig.3 Collector Dark Current
vs. Ambient Temperature
-5
10
V
C E
= 1 0 V
Collector Dark Current
I
CEO
( A )
0
25
55
75
100
125
200
150
100
50
0
-55
10
-6
10
10
10
10
10
-7
-8
-9
-10
-11
-55
0
20
40
60
80
100
115
Ambient Temperature Ta (℃)
Ambient Temperature Ta (℃)
Fig.4 Forward Current
vs. Ambient Temperature
60
Fig.5 Forward Current
vs. Forward Voltage
500
Forward Current I
F
( mA )
Forward Current I
F
( mA )
50
40
30
20
10
0
-55
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
0
25
50
75
115 125
Ambient Temperature Ta (℃)
Cosmo Electronics Corp.
Document No. 69P04007.1
Forward Voltage V
F
(V)
-4-
http://www.cosmo-ic.com
KPC355NT Series
cosmo
Fig.6 Collector Current
vs. Collector-Emitter Voltage
200
4PIN MINI-FLAT PHOTODARLINGTON
PHOTOCOUPLER
Fig.7 Relative Current Transfer Ratio
vs. Ambient Temperature
150
I
F
Relative Current Transfer
Ratio ( % )
Collector Current I
C
(mA)
Ta =25°C
I
F
=15m A
180
160
140
120
100
80
60
40
20
0
1
2
3
4
5
I
F
=5m A
I
F
=2m A
I
F
=1m A
Pc (M AX)
V
C
= 1 m A
= 2 V
E
100
I
F
=10m A
50
0
-5 5
-2 5
0
25
50
75
100 115
Collector-Emitter Voltage V
CE
(V)
Ambient Temperature Ta (℃)
Fig.8 Collector-Emitter Saturation
Voltage vs. Forward Current
Collector-Emitter Saturation
Voltage V
CE
( V )
8 .0
6 .4
4 .8
3 .2
1 .6
0
0
0 .8
1 .6
2 .4
3 .2
4 .0
Ic = 0 .5 m A
Ic = 1 m A
Ic = 3 m A
Ic = 5 m A
Ic = 7 m A
Ic = 3 0 m A
Ic = 5 0 m A
Fig.9 Response Time
vs. Load Resistance
1000
500
V
C C
=2V
Ic = 2m A
Ta = 25°C
T a = 2 5 °C
Response Time ( us )
200
100
50
20
10
5
tr
tf
td
ts
2
1
0.01
0.1
1
10
Forward Current I
F
(mA)
Load Resistance R
L
(KΩ)
Cosmo Electronics Corp.
Document No. 69P04007.1
-5-
http://www.cosmo-ic.com
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