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KB817 Datasheet(PDF) 3 Page - Kingbright Corporation

Part No. KB817
Description  GENERAL PURPOSE HIGH ISOLATION VOLTAGE SINGLE TRANSISTOR TYPE PHOTOCOUPLER SERIES
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Maker  KINGBRIGHT [Kingbright Corporation]
Homepage  http://www.us.kingbright.com
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 3 page
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SPEC NO: DSAD1549
REV NO: V.7
DATE: APR/07/2005
PAGE: 3 OF 8
APPROVED: J. Lu
CHECKED: Tracy Deng
DRAWN: B.H.LI
ERP: 1205000006
PHOTOCOUPLER
KB817
****Electro-optical Characteristics
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Input
Forward voltage
VF
I F=20mA
___
1.2
1.4
V
Peak forward voltage
VFM
I FM=0.5A
___
___
3.0
V
Reverse current
IR
VR=4V
___
___
10
µA
Output
Collector dark current
ICEO
VCE =20V,I F=0mA
___
___
10-7
nA
Transfer
charact-
eristics
*1Current transfer ratio
CTR
I F=5mA,VCE=5V
50
___
600
%
Collector-emitter saturation voltage
VCE(sat)
I F=20mA, I C=1mA
___
0.1
0.2
C ut-o ff fre q ue nc y
fc
VCE=5V, IC=2mA
RL=100
Ω,-3dB
___
80
___
KHz
Response time
Rise time
tr
VCE=2V, IC=2mA
RL=100
___
4
18
µs
Fall time
tf
___
3
18
µs
X 100%
Classification table of current transfer ratio is shown below.
CTR=
F
I
Ic
Model No.
Rank mark
CTR(% )
KB817L
L
50 to 100
KB817A
A
80 to 160
KB817B
B
130 to 260
KB817C
C
200 to 400
KB817D
D
300 to 600
KB817AB
A or B
80 to 260
KB817BC
B or C
130 to 400
KB817CD
C or D
200 to 600
KB817AC
A,B or C
80 to 400
KB817BD
B,C or D
130 to 600
KB817AD
A,B,C or D
80 to 600
KB817
L,A,B,C,D or No mark
50 to 600
A




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