PRODUCT
SPECIFICATION
DATE:06/04/2012
NO.61P04089
SHEET 1 OF 8
REV.
8
cosmo
ELECTRONICS CORPORATION
Photocoupler :
KT1210
4Pin Long Mini-Flat Package DC Input Response
Darlington Phototransistor Output
●
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. High current transfer ratio (CTR=2000%TYP.@ IF=1 mA, VCE=2V )
7. 8mm outer creepage distance.
8.Agency Approvals
‧
UL approved：UL1577 , No.E169586
‧
CUL approved：C22.2 No.1 & NTC No.5 , No.E169586
‧
VDE approved：EN 60747-5-5 No.40031267
‧
FIMKO approved：EN 60065 , EN 60950 , EN 60335-1
No.FI26204 M1
●
Applications
1. System appliances, measuring instruments.
2. Industrial robots.
3. Copiers, automatic vending machines.
4. Signal transmission between circuits of different potentials and
impedances.
5. Telephone sets.
6. Copiers, facsimiles.
7. Interface with various power supply circuits, power distribution boards.
8.Numerical control machines.
PRODUCT
SPECIFICATION
DATE:06/04/2012
NO.61P04089
SHEET 2 OF 8
REV.
8
cosmo
ELECTRONICS CORPORATION
Photocoupler :
KT1210
:
UNIT (mm)
1.
OUTSIDE
DIMENSION
cosmo
121
xxx
CTR Rank
Date Code
TOLERANCE :
±0.2mm
2. SCHEMATIC
:
TOP VIEW
1
4
2
3
1. Anode
2. Cathode
3. Emitter
4. Collector
PRODUCT
SPECIFICATION
DATE:06/04/2012
NO.61P04089
SHEET 3 OF 8
REV.
8
cosmo
ELECTRONICS CORPORATION
Photocoupler :
KT1210
Symbol
●
Absolute Maximum Ratings(T
A
=25℃)
Parameter
Forward current
Peak forward current
Reverse voltage
Power dissipation
Collector-emitter voltage
Emitter-collector voltage
Collector current
Collector power dissipation
Total power dissipation
Isolation voltage 1 minute
Operating temperature
Storage temperature
Soldering temperature 10 second
Rating
50
1
6
70
35
5
150
150
170
5000
-55 to +115
-55 to +125
260
Unit
mA
A
V
mW
V
V
mA
mW
mW
Vrms
℃
℃
℃
Input
Output
I
F
I
FP
V
R
P
D
V
CEO
V
ECO
I
C
P
C
P
tot
V
iso
T
opr
T
stg
T
sol
●
Electro-optical Characteristics(T
A
=25℃)
Parameter
Forward voltage
Peak forward voltage
Input
Reverse current
Terminal capacitance
Output Collector dark current
Current transfer ratio
Collector-emitter saturation
voltage
Transfer
charac- Isolation resistance
teristics Floating capacitance
Cut-off frequency
Response time (Rise)
Response time (Fall)
●
Classification
Symbol
Conditions
IF=20mA
IF
P
=0.5A
VR=4V
V=0, f=1kH
Z
V
CE
=10V, I
F
=0
I
F
=1mA, V
CE
=2V
V
F
V
FP
I
R
C
t
I
CEO
CTR
MIN.
–
–
–
–
–
200
–
TYP. MAX. Unit
1.2
1.4
V
–
3.5
V
–
10
uA
–
30
pF
–
1.0 uA
2000
-
%
-
10
11
0.4
7
200
200
1.0
–
–
-
-
-
V
ohm
pF
kHz
us
us
V
CE
(sat) I
F
=1mA, Ic=2mA
R
iso
C
f
fc
tr
tf
DC500V, 40 to 60%RH
V=0, f=1MH
Z
5x10
10
–
-
Vcc=5V,Ic=2mA,RL=100ohm
–
Vcc=5V,Ic=2mA,RL=100ohm
–
table of current transfer
ratio is shown below.
CTR RANK
KT1210
CTR(%)
Min.200
PRODUCT
SPECIFICATION
DATE:06/04/2012
NO.61P04089
SHEET 4 OF 8
REV.
8
cosmo
ELECTRONICS CORPORATION
( % )
Photocoupler :
KT1210
I
D i o d e p o w e r d i s s i p a t i o n P D ( m W )
Fig.1 Relative Current Transfer Ratio
vs. Ambient Temperature
1 5 0
= 1 m A
V
CE
= 2 V
F
Fig.2 Diode Power Dissipation
vs. Ambient Temperature
1 0 0
8 0
6 0
4 0
2 0
0
r a t i o
R e l a t i v e c u r r e n t
t r a n s f e r
1 0 0
5 0
0
- 5 5
- 2 5
0
2 5
5 0
7 5
1 0 0
1 1 5
- 5 5
0
2 5
5 0
7 5
1 0 0
1 2 5
Ambient temperature Ta(
℃
)
Ambient Temperature Ta(
℃
)
Fig.3 Collector-emitter Saturation
Voltage vs. Forward current
8.0
Collector-emitter saturation
voltage V
CE (sat)
(V)
Fig.4 Collector-emitter Saturation Voltage
vs. Ambient Temperature
Collector-emitter saturation voltage
V
CE (SAT)
(V)
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
-55
0
20
40
60
I
F
=1mA
Ic=2mA
Ta=25°C
Ic=0.5mA
Ic=1mA
Ic=3mA
Ic=5mA
Ic=7mA
Ic=30mA
6.4
4.8
3.2
1.6
0
0
0.8
Ic=50mA
1.6
2.4
3.2
4.0
80 100 115
Forward current IF (mA)
Ambient Temperature Ta(
℃
)
Fig.5 Current Transfer Ratio vs.
Forward Current
8000
V
CE
=2V
Ta=25°C
Fig.6 Forward Current vs.
Forward Voltage
500
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
Current transfer ratio (%)
6000
4000
2000
1000
0
0
0.2
0.5
1
2
5
10
Forward current IF (mA)
Forward Voltage VF(V)
PRODUCT
SPECIFICATION
DATE:06/04/2012
NO.61P04089
SHEET 5 OF 8
REV.
8
cosmo
ELECTRONICS CORPORATION
1 0
1 0
1 0
-
1 0
-
1 0
1 0
- 9
8
Photocoupler :
KT1210
V
C E
Fig.7 Collector Dark Current vs.
Ambient Temperature
- 5
= 1 0 V
( A )
- 6
C E O
Fig.8 Collector Current vs.
Collector-emitter Voltage
200
180
160
140
120
100
80
60
40
20
I
F
=5mA
I
F
=2mA
I
F
=1mA
Pc (MAX)
Ta =25°C
I
F
=15mA
I
c u r r e n t
7
Collector current Ic (mA)
I
F
=10mA
C o l l e c t o r
d a r k
- 1 0
1
-
0
1
1
- 5 5
0
2 0
4 0
6 0
8 0
1 0 0
1 1 5
0
1
2
3
4
5
Ambient temperature Ta(
℃
)
Collector-emitter voltang VCE (V)
Fig.9 Response Time vs. Load Resistance
1000
500
200
Response Time (us)
V
CC
=5V
Ic = 2mA
Ta = 25°C
tr
tf
100
50
20
10
5
2
1
0.01
0.1
td
ts
1
10
Load resistance RL (K ohm)
Fig.10 Test Circuit For Response Time
Pulse Input
I
F
R
IN
V
CC
R
L
=100Ω
Input
Output
10%
90%
td
tr
ts
tf
Output
PW=100 μs
Duty Cycle=1/10
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