PRODUCT
SPECIFICATION
DATE: 11/29/2012
NO.61P04076
SHEET 1 OF 6
REV.
6
cosmo
ELECTRONICS CORPORATION
Photocoupler :
KPC355NT
High Reliability Photocoupler
●
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.
‧
UL approved：No.E169586
‧
VDE approved：No.40014684
‧
FIMKO approved：EN 60065 No. FI 23147 A1
EN 60950 No. FI 24583 A1
‧
CQC approved：No. CQC04001010530
●
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: 11/29/2012
NO.61P04076
SHEET 2 OF 6
REV.
6
cosmo
ELECTRONICS CORPORATION
Photocoupler :
KPC355NT
:
UNIT (mm)
1.
OUTSIDE
DIMENSION
Date Code
CTR Rank
4.40
±
0.5
3.90
±
0.5
0.40
0.50
7.00
±
0.4
2.54
0.10
±
0.10
2.0
±
0.5
TOLERANCE :
±0.2mm
2. SCHEMATIC
:
TOP VIEW
1
4
2
3
1.Anode
2.Cathode
3.Emitter
4.Collector
PRODUCT
SPECIFICATION
DATE: 11/29/2012
NO.61P04076
SHEET 3 OF 6
REV.
6
cosmo
ELECTRONICS CORPORATION
Photocoupler :
KPC355NT
Symbol
●
Absolute Maximum Ratings
Parameter
Forward current
Peak forward current
Reverse voltage
Power dissipation
Collector-emitter voltage
Emittor-collector voltage
Collector current
Collector power dissipation
Total power dissipation
Isolation voltage 1 minute
Operating temperature
Storage temperature
Soldering temperature 10 second
Input
Output
I
F
I
FM
V
R
P
D
V
CEO
V
ECO
I
C
P
C
P
tot
V
iso
T
opr
T
stg
T
sol
Rating
50
1
6
70
35
5
150
150
170
3750
-55 to +115
-55 to +125
260
Unit
mA
A
V
mW
V
V
mA
mW
mW
Vrms
℃
℃
℃
●
Electro-optical Characteristics
Parameter
Forward voltage
Peak forward voltage
Input
Reverse current
Terminal capacitance
Output Collector dark current
Current transfer ratio
Collector-emitter saturation
l
Tranfer Isolation resistance
charac- Floating capacitance
teristics
Cut-off frequency
Response time (Rise)
Response time (Fall)
●
Classification
MIN.
IF=20mA
–
V
F
–
V
FM
IFM=0.5A
VR=4V
–
I
R
V=0, f=1kH
Z
–
C
t
–
I
CEO
V
CE
=10V, I
F
=0
600
CTR
I
F
=1mA, V
CE
=2V
–
V
CE
(sat) I
F
=20mA, Ic=1mA
10
5x10
R
iso DC500V
V=0, f=1MH
Z
–
C
f
Vcc=5V,Ic=2mA,RL=100ohm
–
fc
–
tr
Vce=2V,Ic=2mA,RL=100ohm
–
tf
Symbol
Conditions
TYP. MAX. Unit
1.2
1.4
V
–
3.5
V
–
10
uA
–
30
pF
–
1.0 uA
1600 7500 %
-
1.0
V
–
ohm
-
0.6
1.0
pF
–
kHz
7
60
300 us
53
250 us
table of current transfer
ratio is shown below.
CTR RANK
KPC355NT0E
CTR(%)
Min.600
PRODUCT
SPECIFICATION
DATE: 11/29/2012
NO.61P04076
SHEET 4 OF 6
REV.
6
cosmo
ELECTRONICS CORPORATION
Photocoupler :
KPC355NT
Fig.2
Diode power dissipation P (mW)
Fig.1
Forward Current vs.Ambient
Temperature
5 0
Diode Power Dissipation
vs. Ambient Temperature
1 0 0
8 0
6 0
4 0
2 0
0
- 5 5
0
2 5
5 0
7 5
1 0 0
1 2 5
Forward current IF (mA)
4 0
3 0
2 0
1 0
- 5 5
0
2 5
5 5
7 5
1 0 0
1 2 5
Ambient temperature Ta(
℃)
Ambient temperature Ta(
℃)
Fig.3
Peak Forward Current vs.
Duty Ratio
1 0 0 0 0
Pulse width
≦
100us
Ta=25
℃
Fig.4
Forward Current vs.
Forward Voltage
5 0 0
2 0 0
Peak forward current IFM (mA)
Forward current IF (mA)
1 0 0 0
1 0 0
5 0
Ta=75°
50°
25°
0°
-25°
1 0 0
2 0
5
1 0
2
0
1 0
- 3
1 0
- 2
1 0
- 1
1
1
0
0 . 5
1 . 0
1 . 5
2 . 0
2 . 5
3 . 0
Duty ratio
Forward Voltage VF (V)
Fig.5
Current Transfer Ratio vs.
Forward Current
V
CE
=2V
Ta=25°C
Fig.6
Collector Current vs.
Collector-Emitter Voltage
200
180
Ta =25°C
I
F
=15mA
10000
Current Transfer Ratio ( % )
8000
6000
4000
2000
0
0.1 0.2
0.5 1.0
2
5.0
10
Collector current Ic (mA)
160
140
120
100
80
60
40
20
0
I
F
=10mA
I
F
=5mA
I
F
=2mA
I
F
=1mA
Pc (MAX)
1
2
3
4
5
Forward Current IF (mA)
Collector-Emitter voltage VCE(V)
PRODUCT
SPECIFICATION
DATE: 11/29/2012
NO.61P04076
SHEET 5 OF 6
REV.
6
cosmo
ELECTRONICS CORPORATION
Photocoupler :
KPC355NT
Collector-emitter saturation voltage VCE(sat)(V)
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
-55
0
20
40
Ta=25°C
Fig.7
Collector-emitter saturation voltage VCE(sat)(V)
Collector-emitter Saturation Voltage Fig.8
vs.Forward Current
8.0
6.4
4.8
3.2
1.6
0
0
0.8
1.6
2.4
3.2
4.0
Ic=0.5mA
Ic=1mA
Ic=3mA
Ic=5mA
Ic=7mA
Ic=30mA
Ic=50mA
Collector-Emitter Saturation
Voltage vs. Ambient Temperature
I
F
=1mA
Ic=2mA
60
80 100 115
Forward Current IF (mA)
Ambient Temperature Ta(
℃)
Fig.9
1 0
Collector Dark Current vs.
Ambient Temperature
- 5
Fig.10
1000
500
200
Response Time vs.
Load Resistance
V
CC
=2V
Ic = 2mA
Ta = 25°C
V
- 6
C E
= 1 0 V
Collector dark current Ice (A)
1 0
tr
tf
Response Time (us)
1 0
-
1 0
-
1 0
-
1
-
0
1
1
-
0
1
1
9
8
7
100
50
20
10
5
2
td
ts
0
- 5 5
0
2 0
4 0
6 0
8 0
1 0 0
1 1 5
1
0.01
0.1
1
10
Ambient temperature Ta(℃)
Load Resistance RL(K ohm)
Fig.11
1 5 0
Relative Current Transfer Ratio
vs. Ambient Temperature
I
= 1 m A
V
CE
= 2 V
F
Relative current transfer ratio (%)
1 0 0
5 0
0
- 5 5
- 2 5
0
2 5
5 0
7 5
1 0 0
1 1 5
Ambient temperature Ta(℃)
嵌入式系统
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