SPEC NO: DSAD1553 REV NO: V.16 DATE: APR/26/2012 PAGE: 1 OF 8
APPROVED: WYNEC CHECKED: Tracy Deng DRAWN : C.H.HAN ERP: 1205000007
PHOTOCOUPLER
Part Number: KB817-B
GENERAL PURPOSE
HIGH ISOLATION VOLTAGE
SINGLE TRANSISTOR TYPE
PHOTOCOUPLER SERIES
FEATURES
1.Lead forming (gull wing) type, for surface mou nting.
2.High isolation voltage between input and output (Viso=5000 Vrms).
3.Compact dual-in-line package
KB817-B:1-channel type
4.Recognized by UL and CUL, file NO.E225308.
5.Approved by VDE 0884 Teil2(NO:4000636 4)
(Creepage distance between inp ut and output:7mm or more).
6.Moisture Sensitivity Level : Level 4.
7.RoHS Compliant.
DESCRIPTION
1.The KB817-B (1-channel) is optically cou pled 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: DSAD1553 REV NO: V.16 DATE: APR/26/2012 PAGE: 2 OF 8
APPROVED: WYNEC CHECKED: Tracy Deng DRAWN : C.H.HAN ERP: 1205000007
PHOTOCOUPLER
Part Number: KB817-B
*PACKAGE DIMENSIONS (UNIT:mm)
Lead Bending Type
TOLERANCE : ±0.5[±0.02] UNLESS OTHERWISE NOTED.
*Absolute Maximum Ratings (Ta=25°C)
Parameter Symbol Rating Unit
Input
F o r ward c urrent I
F
50 mA
Reverse voltage V
R
6V
Power di ssi pation P 70 mW
Output
Colle c t o r- e m itter voltage V
CEO
35 V
Emitter-collector voltage V
ECO
6V
Co llec tor c urrent I
C
50 mA
Co llec tor p owe r dissipation P
C
150 mW
Total power dissipation Ptot 200 mW
*1
Isolati on voltage Vi so 5000 Vrms
Operating temperature Topr -30~+100 °C
Storage temperature Tstg -55~+125 °C
*2
Solderi ng temperature Tsol 260 °C
*1 40 to 60% RH,AC for 1 minute.
*2 For 10 seconds.
SPEC NO: DSAD1553 REV NO: V.16 DATE: APR/26/2012 PAGE: 3 OF 8
APPROVED: WYNEC CHECKED: Tracy Deng DRAWN : C.H.HAN ERP: 1205000007
PHOTOCOUPLER
Part Number: KB817-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
Revers e c urrent 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 rati o CTR I
F
=5mA,V
CE
=5V 50 ___ 600 %
Co lle c to r -e mitter s a turation vo lta g e V
CE(
sat
)I
F
=20mA, I
C
=1mA ___ 0.1 0.2 V
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 ti me 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(%)
KB817L-B L 50 to 100
KB817A-B A 80 to 160
KB817B-B B 130 to 260
KB817C -B C 200 to 400
KB817D -B D 300 to 600
KB817AB -B A or B 80 to 260
KB817BC -B B or C 130 to 400
KB817C D -B C or D 200 to 600
KB817AC -B A,B or C 80 to 400
KB817BD-B B,C or D 130 to 600
KB 817 AD-B A ,B,C or D 80 to 600
KB81 7- B L ,A,B,C,D or No mar k 5 0 to 600
A
SPEC NO: DSAD1553 REV NO: V.16 DATE: APR/26/2012 PAGE: 4 OF 8
APPROVED: WYNEC CHECKED: Tracy Deng DRAWN : C.H.HAN ERP: 1205000007
PHOTOCOUPLER
Part Number: KB817-B
Fig. 3 Collector Current vs.
Collector-emitter Voltage F ig. 4 Relati v e Cur re n t Transfer Rati o
vs. Ambient Temperature
Fig. 1 Current Transfer Ratio vs.
Forward Current Fig. 2 Forward Current vs.
Forward voltage
Fig. 5 Collector-emitter Saturation
Volt ag e vs. Ambi ent Te mperature Fig. 6 Collector Dark Current vs.
Ambient Temperature
SPEC NO: DSAD1553 REV NO: V.16 DATE: APR/26/2012 PAGE: 5 OF 8
APPROVED: WYNEC CHECKED: Tracy Deng DRAWN : C.H.HAN ERP: 1205000007
PHOTOCOUPLER
Part Number: KB817-B
μ
Ω
Fig. 10 Frequency Response Test Circuit for Frequency Response
Ω
Ω
Ω
Fig. 9 Response Time vs.
Load Resistance
Fig. 7 Forw ard Current vs.
Ambient Temperature Fig. 8 Collector Power Dissipation vs.
Ambient Temperature
Test Circuit for Response Time
Fig. 11 Collector-emitter Saturation
Voltage vs. Forward Current
SPEC NO: DSAD1553 REV NO: V.16 DATE: APR/26/2012 PAGE: 6 OF 8
APPROVED: WYNEC CHECKED: Tracy Deng DRAWN : C.H.HAN ERP: 1205000007
PHOTOCOUPLER
Part Number: KB817-B
*NOTES ON HANDLING
1.Cautions regarding noise
Be aware that power is suddenly into the componment any surg e current may cause damage happen,
even if the voltage is within the absolute maximum ratings.
CAUTION
Within this device there exists GaAs (Gallium Arsenid e) material which is a harmful substance if in-
gested.
GaAs dust and fumes are toxic. Do not break, cut or pulverize the product, or use chemicals to dis-
solve them.
document, please confirm that this is the latest version. Not all devices / types avail able
The information in this document is subject to change without notice. Before using this
specified operating ranges as set forth in the most recent products specifications.
In developing your designs, please ensure that KINGBRIGHT products are used within
KINGBRIGHT product could cause loss of human life, bodily injury or damage to property.
stress. It is the responsibility of the buyer, when utilizing KINGBRIGHT products, to observe
standards of safety, and to a avoid situations in which a malfunction or failure of a
malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical
We are mention about our product quality stablity, semiconductor devices in general can
in every country.
RESTRICTIONS ON PRODUCT USE
SPEC NO: DSAD1553 REV NO: V.16 DATE: APR/26/2012 PAGE: 7 OF 8
APPROVED: WYNEC CHECKED: Tracy Deng DRAWN : C.H.HAN ERP: 1205000007
PHOTOCOUPLER
Part Number: KB817-B
368.9
Packing:1000pcs/reel
1
3
2
4
5
6
7
6.25
0.78 0.5 1.95 0.1
2.00 0.10
Outline and Dimension(Reel)
KB817-B
Tape Dire ction
160.30
KB817-B
0.18 0.1
4.80.10
Outline and Dimension (Tape)
KB817-B
13.3
(Unit :mm)
KB817-B
SPEC NO: DSAD1553 REV NO: V.16 DATE: APR/26/2012 PAGE: 8 OF 8
APPROVED: WYNEC CHECKED: Tracy Deng DRAWN : C.H.HAN ERP: 1205000007
PHOTOCOUPLER
Part Number: KB817-B
PACKING & LABEL SPECIFICATIONS
