KT101X Series
cosmo
Description
The KT101X series consist of an infrared emitting
4PIN LSOP PHOTOTRANSISTOR
PHOTOCOUPLER
Schematic
1
4
2
diode, optically coupled to a phototransistor detector,
and is incorporated in a 4 pin LSOP wide body
package. It features a high current transfer ratio, low
coupling capacitance and high isolation voltage.
1. Anode
2. Cathode
3. Emitter
4. Collector
3
Features
1. Halogen free
2. Pb free and RoHS compliant
3. Temperature range -55℃ to 115℃
4. High isolation voltage 5000Vrms
5. Opaque type, SMD low profile 4 lead package
6. Current transfer ratio
(CTR : Min.50% at I
F
=5mA V
CE
=5V)
7. 8mm outer creepage distance
8. DC input with transistor output
9. MSL class 1
10. Agency Approvals:
• UL Approved (No. E169586): UL1577
• c-UL Approved (No. E169586)
• VDE Approved (No. 40031267): DIN EN60747-5-5
• FIMKO Approved: EN60065, EN60950, EN60335, EN60601
• CQC Approved: GB8898-2011, GB4943.1-2011
Applications
• Hybrid substrates that require high density mounting
• Programmable controllers
• Switch mode power supplies
• Microprocessor system interface
Cosmo Electronics Corp.
Document No. 69P00007.4
-1-
http://www.cosmo-ic.com
KT101X Series
cosmo
Outside Dimension
4PIN LSOP PHOTOTRANSISTOR
PHOTOCOUPLER
Unit : mm
TOLERANCE : ±0.2mm
Device Marking
Notes:
cosmo
cosmo
101
YWW
101□
YWW
□:CTR
rank
Y: Year code / WW: Week code
Cosmo Electronics Corp.
Document No. 69P00007.4
-2-
http://www.cosmo-ic.com
KT101X 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
Symbol
I
F
I
FP
V
R
P
D
V
CEO
V
ECO
I
C
P
C
Ptot
Viso
Topr
Tstg
Tsol
Rating
50
1
6
100
80
7
50
150
250
5000
-55 to +115
-55 to +125
260
4PIN LSOP PHOTOTRANSISTOR
PHOTOCOUPLER
(Ta=25℃)
Unit
mA
A
V
mW
V
V
mA
mW
mW
Vrms
℃
℃
℃
Electro-optical Characteristics
Parameter
Forward voltage
Input
Reverse current
Terminal capacitance
Collector dark current
Collector-Emitter breakdown
Output voltage
Emitter-Collector breakdown
voltage
Current transfer ratio
Collector-emitter saturation
Transfer
voltage
charac-
teristics Isolation resistance
Floating capacitance
Response time (Rise)
Response time (Fall)
(Ta=25℃)
Symbol
V
F
I
R
C
t
I
CEO
Conditions
I
F
=20mA
V
R
=4V
V=0, f=1KH
Z
V
CE
=20V, I
F
=0
Min.
–
–
–
–
80
7
50
15
–
5x10
10
–
–
Typ.
1.2
–
30
–
-
-
–
–
0.1
10
11
0.6
5
4
Max. Unit
1.4
10
250
0.1
-
-
600
–
0.3
–
1.0
–
–
V
uA
pF
uA
V
V
%
%
V
Ω
pF
us
us
BV
CEO
Ic=0.1mA, I
F
=0
BV
ECO
I
E
=100uA, I
F
=0
I
F
=5mA, V
CE
=5V
CTR
I
F
=1mA, V
CE
=5V
V
CE(sat)
I
F
=10mA, Ic=1mA
R
iso
C
f
tr
DC500V, 40 to 60%RH
V=0, f=1MH
Z
Vcc=2V,Ic=2mA,R
L
=100Ω
tf
–
Cosmo Electronics Corp.
Document No. 69P00007.4
-3-
http://www.cosmo-ic.com
KT101X Series
cosmo
4PIN LSOP PHOTOTRANSISTOR
PHOTOCOUPLER
Fig.1 Current Transfer Ratio
vs. Forward Current
5 0 0
Current Transfer Ratio
CTR ( % )
Classification table of current
transfer ratio is shown below.
CTR Rank
KT1015
KT1016
KT1017
KT1018
KT1019
KT1010
CTR ( % )
50 TO 150
100 TO 300
80 TO 160
130 TO 260
200 TO 400
50 TO 600
4 5 0
4 0 0
3 5 0
3 0 0
2 5 0
2 0 0
1 5 0
1 0 0
5 0
0
0
0 . 5
V
CE
=5V
Ta=25
℃
1
2
5 1 0
2 0
5 0
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
= 2 0 V
Collector Dark Current
I
CEO
( A )
0
25
55
75
100
125
200
150
100
50
0
-55
-6
10
10
10
10
-7
-8
-9
10
10
-1 0
-1 1
-5 5
-2 5
0
25
50
75
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 )
50
40
30
20
10
0
-55
Forward Current I
F
( mA )
200
100
50
20
10
5
2
1
0
0.5
1.0
1.5
Ta=75
℃
50
℃
25
℃
0
℃
-25
℃
0
25
50
75
115 125
2.0
2.5
3.0
Ambient Temperature Ta (℃)
Cosmo Electronics Corp.
Document No. 69P00007.4
Forward Voltage V
F
(V)
-4-
http://www.cosmo-ic.com
KT101X Series
cosmo
Fig.6 Collector Current
vs. Collector-Emitter Voltage
T a=25
℃
I
F
=30m A
I
F
=20m A
I
F
=10m A
4PIN LSOP PHOTOTRANSISTOR
PHOTOCOUPLER
Fig.7 Relative Current Transfer Ratio
vs. Ambient Temperature
150
I
40
30
20
10
Relative Current Transfer
Ratio ( % )
Collector Current I
C
(mA)
50
F
= 5 m A
V c e = 5 V
100
P
C
(M A X)
I
F
=5m A
50
0
-5 5
-2 5
0
25
50
75
115
0
5
10
Collector-Emitter Voltage V
CE
(V)
Ambient Temperature Ta (℃)
Fig.8 Collector-Emitter Saturation Voltage
vs. Ambient Temperature
0 .1 6
Fig.9 Collector-Emitter Saturation
Voltage vs. Forward Current
7
Collector-Emitter Saturation
Voltage V
CE
( V )
0 .1 4
0 .1 2
0 .1 0
0 .0 8
0 .0 6
0 .0 4
0 .0 2
0
-5 5
0
25
50
Collector-Emitter Saturation
Voltage V
CE
( V )
I
F
= 1 0 m A
Ic= 1 m A
T a = 25 ° C
6
Ic= 0 .5 m A
5
Ic= 1 m A
4
Ic= 3m A
3
2
1
0
5
10
Ic= 5 m A
Ic= 7m A
75
115
0
Ambient Temperature Ta (℃)
Forward Current I
F
(mA)
Fig.10 Response Time (Rise)
vs. Load Resistance
100
Fig.11 Response Time (Fall)
vs. Load Resistance
100
Response Rise Time ( us )
Response Fall Time ( us )
50
20
10
5
2
1
0 .5
0 .2
0 .1
V
C E
= 2 V
Ic = 2 m A
Ta=25°C
50
20
10
5
2
1
0 .5
0 .2
0 .1
tr
V
C E
= 2 V
Ic = 2 m A
T a = 2 5 °C
tf
0 .1
1
10
0 .1
1
10
Load Resistance R
L
(KΩ)
Load Resistance R
L
(KΩ)
Cosmo Electronics Corp.
Document No. 69P00007.4
-5-
http://www.cosmo-ic.com
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