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KB844AB Datasheet(PDF) 3 Page - Kingbright Corporation

Part # KB844AB
Description  PHOTOCOUPLER
PDF  8 Pages
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Manufacturer  KINGBRIGHT [Kingbright Corporation]
Direct Link  http://www.us.kingbright.com
Logo KINGBRIGHT - Kingbright Corporation

KB844AB Datasheet(HTML) 3 Page - Kingbright Corporation

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PHOTOCOUPLER
KB844
SPEC NO: DSAD1536
REV NO: V.5
DATE: MAR/14/2005
PAGE: 3 OF 8
APPROVED: J. Lu
CHECKED: Tracy Deng
DRAWN: S.H.CHEN
ERP:1205000023
Transfer
charact-
eristics
Response time
Rise time
Fall time
t
VCE=2V, IC=2mA
RL=100
è
3
18
4
18
ô
ô
Forward voltage
* Electro-optical Characteristics
Current transfer ratio
Peak forward voltage
Collector dark current
Collector-emitter saturation voltage
Input
Output
IFM =²0.5A
3.0
VFM
VCE(sat)
CTR
ICEO
IF=²20mA, IC=1mA
IF=²1mA, VCE=5V
0.1
0.2
20
300
VCE=20V,IF=0mA
-7
10
Parameter
VF
Symbol
IF=²20mA
Conditions
1.2
1.4
Typ.
Min.
Max.
V
V
%
A
V
Unit
t
f
r
Classification table of current transfer ratio is shown below.
X 100%
CTR=
Ic
F
I
Model NO.
Rank mark
CTR(%)
KB844L
L
20~60
KB844A
A
50~150
KB844B
B
120~300
KB844LA
L or A
20~150
KB844AB
A or B
50~300
KB844
L,A,B or No mark
20~300
(Ta=25 C)
±



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