PHOTOCOUPLER
KB827
GENERAL PURPOSE
HIGH ISOLATION VOLTAGE
SINGLE TRANSISTOR TYPE
PHOTOCOUPLER SERIES
FEATURES
1.High isolation voltage between input and output (Viso=5000 Vrms).
2.Compact dual-in-line package
KB827:2-channel type
3.Recognized by UL and CUL, file NO.E225308.
4.Approved by VDE 0884 Teil2(NO:40006364)
(Creepage distance between input and output:7mm or more).
5.Rohs compliant.
DESCRIPTION
1.The KB827 (2-channel) is optically coupled isolators containing a GaAS light emitting diode and
an NPN silicon phototransistor.
2.The lead pitch is 2.54mm.
3.Solid insulation thickness between emitting diode and output phototransistor:>=0.6mm.
APPLICATIONS
1.Computer terminals.
2.Registers,copiers,automatic vending machines.
3.System appliances, measuring instruments.
4.Programmable logic controller.
5.Signal transmission between circuits of different potentials and impedances.
SPEC NO: DSAD1550
APPROVED: J. Lu
REV NO: V.7
CHECKED: Tracy Deng
DATE: APR/07/2005
DRAWN: B.H.LI
PAGE: 1 OF 8
ERP: 1205000014
PHOTOCOUPLER
KB827
*PACKAGE
DIMENSIONS (UNIT:mm)
*
DIP Type
KB827
Top View
2.54 [0.1] 0.25
8
KB817
KB817
TOLERANCE :
±
0.5[±0
±0.02]
UNLESS OTHERWISE NOTED.
±0
Internal connection
diagram
5
8
7 6
5
Anode
mark
1
6.5[0.256]
4
0.9 [0.035] 0.2
1.2 [0.047] 0.3
1
2
3
4
3.[0.118]
0.4[0.015]MIN.
3.5 [0.138]
2.7 [0.106]
9.66 [0.38]
7.62 [0.3] 0.3
7[0.276]
0.5 [0.02] 0.1
θ
0.25 [0.01] 0.1
= 0 to 13
1, 3. Anode 2, 4. Cathode
5, 7. Emitter 6, 8. Collector
*
Absolute Maximum Ratings (Ta=25°
C)
°
Parameter
Forward current
Input
Reverse voltage
Power dissipation
Collector-emitter voltage
Emitter-collector voltage
Output
Collector current
Collector power dissipation
Total power dissipation
*1
Symbol
I
F
V
R
P
V
C E O
V
E C O
I
C
P
C
Ptot
Viso
Topr
Tstg
Tsol
Isolation voltage
Operating temperature
Storage temperature
*2
Soldering temperature
40 to 60% RH,AC for 1 minute.
For 10 seconds.
*1
*2
SPEC NO: DSAD1550
APPROVED: J. Lu
REV NO: V.7
CHECKED: Tracy Deng
DATE: APR/07/2005
DRAWN: B.H.LI
θ
°
Rating
50
6
70
35
6
50
150
200
5000
-30~+100
-55~+125
260
Unit
mA
V
mW
V
V
mA
mW
mW
Vrms
°C
°C
°C
PAGE: 2 OF 8
ERP: 1205000014
PHOTOCOUPLER
KB827
*
Electro-optical Characteristics
Parameter
Forward voltage
Input
Peak forward voltage
Reverse current
Output
Collector dark current
*1
Current
Symbol
V
F
V
FM
I
R
I
CEO
CTR
V
CE(sat
)
f
c
Conditions
I
F
=20mA
I
FM
=0.5A
V
R
=4V
V
CE
=20V,I
F
=0mA
I
F
=5mA,V
CE
=5V
I
F
=20mA, I
C
=1mA
V
CE
=5V, I
C
=2mA
R
L
=100Ω,-3dB
V
CE
=2V, I
C
=2mA
R
L
=100Ω
Min.
___
___
___
___
50
___
___
___
___
Typ.
1.2
___
___
___
___
0.1
80
4
3
Max.
1.4
3.0
10
10
-7
600
0.2
___
18
18
Unit
V
V
µA
nA
A
%
transfer ratio
Transfer
charact-
eristics
Collector-emitter saturation voltage
C ut-o ff fre q ue ncy
Rise time
Response time
Fall time
KHz
µs
µs
t
r
t
f
Classification table of current transfer ratio is shown below.
Ic
CTR= I
F
X 100%
SPEC NO: DSAD1550
APPROVED: J. Lu
REV NO: V.7
CHECKED: Tracy Deng
DATE: APR/07/2005
DRAWN: B.H.LI
PAGE: 3 OF 8
ERP: 1205000014
PHOTOCOUPLER
KB827
Fig. 1 Current Transfer Ratio vs.
Forward Current
Fig. 2 Forward Current vs.
Forward voltage
Fig. 3 Collector Current vs.
Collector-emitter Voltage
Fig. 4 Relative Current Transfer Ratio
vs. Ambient Temperature
Fig. 5 Collector-emitter Saturation
Voltage vs. Ambient Temperature
Fig. 6 Collector Dark Current vs.
Ambient Temperature
SPEC NO: DSAD1550
APPROVED: J. Lu
REV NO: V.7
CHECKED: Tracy Deng
DATE: APR/07/2005
DRAWN: B.H.LI
PAGE: 4 OF 8
ERP: 1205000014
PHOTOCOUPLER
KB827
Fig. 7 Forward Current vs.
Ambient Temperature
Fig. 8 Collector Power Dissipation vs.
Ambient Temperature
Fig. 9 Response Time vs.
Load Resistance
Test Circuit for Response Time
μ
Ω
Fig. 10 Frequency Response
Test Circuit for Frequency Response
Ω
Ω
Ω
SPEC NO: DSAD1550
APPROVED: J. Lu
REV NO: V.7
CHECKED: Tracy Deng
DATE: APR/07/2005
DRAWN: B.H.LI
PAGE: 5 OF 8
ERP: 1205000014
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