Datasheet
SPEC NO: DSAD1554 REV NO: V.2 DATE: MAY/25/2003 PAGE: 3 OF 7
APPROVED: J. Lu CHECKED: Tracy Deng DRAWN: Y.H.LI
PHOTOCOUPLER
KB827-B
*
**
*Electro-optical Characteristics
Parameter Symbol Conditions Min. Typ. Max. Unit
Input
Forward voltage V
F
I
F
=20mA ___ 1.2 1.4 V
Peak forward voltage V
FM
I
FM
=0.5A ___ ___ 3.0 V
Reverse current I
R
V
R
=4V ___ ___ 10
µA
Output Collector dark current I
CEO
V
CE
=20V,I
F
=0mA ___ ___
10
-7
nA
Transfer
charact-
eristics
*1
Current transfer ratio CTR I
F
=5mA,V
CE
=5V 50 ___ 600 %
Collector-emitter saturation voltage
V
CE(
sat
)
I
F
=20mA, I
C
=1mA ___ 0.1 0.2
Cut-off frequency
f
c
V
CE
=5V, I
C
=2mA
R
L
=100Ω,-3dB
___ 80 ___ KHz
Response time
Rise time
t
r
V
CE
=2V, I
C
=2mA
R
L
=100Ω
___ 4 18 µs
Fall time
t
f
___ 3 18
µs
X 100%
Classification table of current transfer ratio is shown below.
CTR=
F
I
Ic
Model No. Rank mark CTR(%)
KB827L-B L 50 to 100
KB827A-B A 80 to 160
KB827B-B B 130 to 260
KB827C-B C 200 to 400
KB827D-B D 300 to 600
KB827AB-B A or B 80 to 260
KB827BC-B B or C 130 to 400
KB827CD-B C or D 200 to 600
KB827AC-B A,B or C 80 to 400
KB827BD-B B,C or D 130 to 600
KB827AD-B A,B,C or D 80 to 600
KB827-B L,A,B,C,D or No mark 50 to 600