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SMD Type Photocoupler...SMD Type 3 Photocoupler High Density Mounting Type Photocoupler PC817...
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SMD Type www.kexin.com.cn 1 Photocoupler High Density Mounting Type Photocoupler PC817 Series ■ Features ● Current transfer ratio ( CTR: MIN. 50% at IF = 5mA ,VCE=5V) ● High isolation voltage between input and output ■ Absolute Maximum Ratings Ta = 25℃ SOP04 1 2 3 4 1 Anode 2 Cathode 3 Emitter 4 Collector m a r g a i d n o i t c e n n o c l a n r e t n I Parameter Symbol Rating Unit Input Reverse voltage VR 6 Collector - Emitter Output Voltage VCEO 35 Emitter-Collector Output Voltage VECO 6 Isolation Voltage VISO 5000 Input Forward Current IF 50 mA Input Peak Forward Current (Note.1) IFM 1 A Collector Current - Continuous IC 50 mA Input Power Dissipation P 70 Collector Output Power dissipation Pc 150 Total Power Dissipation Ptot 200 Junction Temperature TJ 125 Soldering temperature Tsol 260 Operating Temperature Topr -30 to 100 Storage Temperature Range Tstg -55 to 125 ℃ V mW Note.1:Pulse width≤100ms, Duty ratio : 0.001 Vrms Unit:mm
Transcript of SMD Type Photocoupler...SMD Type 3 Photocoupler High Density Mounting Type Photocoupler PC817...
SMD Type
www.kexin.com.cn 1
Photocoupler
High Density Mounting Type Photocoupler
PC817 Series
Features Current transfer ratio
( CTR: MIN. 50% at IF = 5mA ,VCE=5V)
High isolation voltage between input and output
Absolute Maximum Ratings Ta = 25
SOP04
1 2
34
1 Anode2 Cathode3 Emitter4 Collector
margaid noitcennoc lanretnI
Parameter Symbol Rating Unit
Input Reverse voltage VR 6
Collector - Emitter Output Voltage VCEO 35
Emitter-Collector Output Voltage VECO 6
Isolation Voltage VISO 5000
Input Forward Current IF 50 mA
Input Peak Forward Current (Note.1) IFM 1 A
Collector Current - Continuous IC 50 mA
Input Power Dissipation P 70
Collector Output Power dissipation Pc 150
Total Power Dissipation Ptot 200
Junction Temperature TJ 125
Soldering temperature Tsol 260
Operating Temperature Topr -30 to 100
Storage Temperature Range Tstg -55 to 125
V
mW
Note.1:Pulse width≤100ms, Duty ratio : 0.001
Vrms
Unit:mm
SMD Type
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Photocoupler
High Density Mounting Type PhotocouplerPC817 Series
Electrical Characteristics Ta = 25
Parameter Symbol Test Conditions Min Typ Max Unit
Input Forward Voltage VF IF= 20 mA 1.4
Input Peak Forward Voltage VFM IFM= 500 mA 3
Input Reverse Current IR VR= 4 V 10uA
Collector- emitter cut-off current ICEO VCE= 20 V , IE= 0 10
Collector-emitter saturation voltage VCE(sat) IF = 20mA, IC = 1mA 0.1 0.2 V
Isolation resistance RISO DC 500V, 40 to 60% RH 5 x 1010 1011 Ω
Current Transfer Ratio CTR VCE= 5V, IF= 5mA 50 600 %
Rise time tr 4 18
Fall time tf 3 18
Input Terminal Capacitance Ct 30 250
Floating Capacitance Cf 0.6 1
Cut-off frequency fC VCE= 5V, IC= 2mA,RL=100Ω 80 KHz
V
V= 0V, f=1KHz pF
VCE = 2V, IC = 2mA, RL = 100Ω uS
Classification of CTR(%)
Type PC817A PC817B PC817C PC817D PC817
Range 80-160 130-260 200-400 300-600 50-600
Typical Characterisitics
0- 25
30
0 25 50 75 100 125
40
50
60
20
10
Fig. 1 Forward Current vs. Ambient Temperature
Ambient temperature Ta (˚C)
Forw
ard
curr
ent I
F( m
A)
SMD Type
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Photocoupler
High Density Mounting Type PhotocouplerPC817 Series
Typical Characterisitics
Duty ratio
55
Pulse width <=100 µ s
10
20
100
50
200
500
210 - 3 10 - 25 2 10 - 15 2 5
Fig. 3 Peak Forward Current vs. Duty Ratio
01
Cur
rent
tran
sfer
ratio
CTR
(%
)
200
2 5 10 20 50
160
120
80
40
20
60
100
140
180
100
0
50
150
0 25 50 75 100
Rel
ativ
e cu
rren
t tra
nsfe
r rat
io (
%)
Fig. 7 Relative Current Transfer Ratio vs. Ambient Temperature
00
5
1
10
15
20
25
30
2 3 4 5 6 7 8 9
20mA
10mA
5mA
Fig. 6 Collector Current vs. Collector-emitter Voltage
Peak
forw
ard
curr
ent I
FM( m
A)
Fig. 4 Current Transfer Ratio vs. Forward Current
Forward current I F ( mA )
Col
lect
or c
urre
nt I
C( m
A)
Collector-emitter voltage V CE (V) Ambient temperature T a (˚C)
05210
100
200
50
150
25 50 75 100
Ambient Temperature
C( m
W)
- 30
Fig. 2 Collector Power Dissipation vs.
a (˚C)
Col
lect
or p
ower
dis
sipa
tion
P
Ambient temperature T
1
VCE = 5V
IF = 30mA
PC(MAX.)
IF = 5mAVCE = 5V
Fig. 5 Forward Current vs. Forward Voltage
10 000
5 000
2 000
1 000
Ta = 25˚C
Ta = 25˚C50˚C 25˚C
0˚C
0
2
0.5 1.0 1.5 2.0 2.5 3.0 3.5
5
10
20
50
100
200
500
1
- 25˚C
Ta = 75˚C
Forw
ard
curr
ent I
F( m
A)
Forward voltage V F ( V)
- 30
Ta= 25˚C
SMD Type
www.kexin.com.cn4
Photocoupler
.
High Density Mounting Type PhotocouplerPC817 Series
Typical Characterisitics
0
0.02
- 25 0 25 50 75 100
0.04
0.06
0.08
0.10
0.12
0.14
0.16
Fig. 8 Collector-emitter Saturation Voltage vs. Ambient Temperature
250 50 75 100
Col
lect
or d
ark
curr
ent I
CEO
( A)
Fig.11 Frequency Response
Frequency f (kHz )
-20
0
0.5 1 2 5
-10
200100502010 500
1kΩ100Ω
Fig. 9 Collector Dark Current vs.
CE( s
at)
( V)
Ambient Temperature
Vol
tage
gai
n A
v( d
B)
0.2
0.1
0.5
Res
pons
e tim
e ( µ
s)
12
0.1 1 10
5
1020
50
100200
500
L (kΩ )
Col
lect
or-e
mitt
er sa
tura
tion
volta
ge V
CE
( sat
)( V
)
Forward current I F ( mA )
00
1
2
3
4
5
5 10
6
15
7mA
Fig.12 Collector-emitter Saturation Voltage vs. Forward CurrentTest Circuit for Response Time
VCC
ttrts
90%
10%
td
Output
Input
RLInput OutputRD
VCC
RL OutputRD
Test Circuit for Frepuency Response
Colle
ctor-e
mitt
er sa
tura
tion
volta
ge V
Ambient temperature T a (˚C)
f
IF = 20mA
IC = 1mA
10 - 11
10 - 10
10 - 9
10 - 8
10 - 7
10 - 6
10 - 5
- 25
VCE = 20V
Ambient temperature T a (˚C)
t r
t f
t s
t d
VCE = 2VIC = 2mATa = 25˚C
RL = 10kΩ
VCE = 2V
1mA
3mA5mA
Ta = 25˚CIC = 2mA
IC = 0.5mA
Ta = 25˚C
Fig.10 Response Time vs. Load Resistance
Load resistance R
