PHOTOCOUPLER
KB817
*Electro-optical Characteristics
Parameter
Symbol
Conditions
Min.
___
___
___
___
Typ.
1.2
Max.
1.4
Unit
V
Forward voltage
V
F
I
F
=20mA
FM=0.5A
=4V
CE =20V,I =0mA
Input
Peak forward voltage
Reverse current
V
FM
I
___
___
___
3.0
V
IR
V
R
10
µA
10-7
A
nA
Output
Collector dark current
ICEO
V
I
F
*1Current transfer ratio
CTR
F
=5mA,VCE=5V
50
___
600
%
Collector-emitter saturation voltage
Cut-off frequency
I
F
=20mA, I
C
=1mA
___
___
0.1
80
0.2
V
CE(sat
)
ꢀ
KHz
µs
Transfer
charact-
eristics
V
CE=5V, I
C
=2mA
___
f
t
t
c
R
L=100Ω,-3dB
Rise time
Response time
___
___
4
3
18
18
r
f
V
R
CE=2V, I
L
C=2mA
=100Ω
Fall time
µs
Classification table of current transfer ratio is shown below.
Ic
CTR=
X 100%
F
I
Model No.
KB817L
Rank mark
CTR(%)
50 to 100
80 to 160
L
KB817A
A
KB817B
B
C
130 to 260
200 to 400
300 to 600
80 to 260
130 to 400
200 to 600
80 to 400
130 to 600
80 to 600
50 to 600
KB817C
KB817D
KB817AB
KB817BC
KB817CD
KB817AC
KB817BD
KB817AD
KB817
D
A or B
B or C
C or D
A,B or C
B,C or D
A,B,C or D
L,A,B,C,D or No mark
SPEC NO: DSAD1549
APPROVED: J. Lu
REV NO: V.7
CHECKED: Tracy Deng
DATE: APR/07/2005
DRAWN: B.H.LI
PAGE: 3 OF 8
ERP: 1205000006
KINGBRIGHT [ KINGBRIGHT CORPORATION ]
