PHOTOCOUPLER
KB824
SPEC NO: DSAD1534 REV NO: V.6 DATE: NOV/15/2005 PAGE: 1 OF 9
APPROVED: J. Lu CHECKED: Tracy Deng DRAWN: W.J.ZHU ERP: 1205000010
5. Approved by VDE 0884 Teil2(NO:40006364)
(Creepage distance between input and output:7mm or more)
4.Recognized by UL and CUL, file NO. E225308
DESCRIPTION
1.The KB824(2-channel) is optically coupled isolators containing two GaAs light emitting
diode and an NPN silicon phototransistor.
2.The lead pitch is 2.54mm.
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.
FEATURES
2.High isolation voltage between input and output (Viso=5000 Vr.m.s)
3.Compact dual-in-line package
KB814:1-channel type
GENERAL PURPOSE
HIGH ISOLATION VOLTAGE
SINGLE TRANSISTOR TYPE
PHOTOCOUPLER SERIES
1.AC Input
3. High isolation voltage between input and output (Viso=5000 Vrms)
KB824:2-channel type
6.Rohs Compliant.
PHOTOCOUPLER
KB824
SPEC NO: DSAD1534 REV NO: V.6 DATE: NOV/15/2005 PAGE: 2 OF 9
APPROVED: J. Lu CHECKED: Tracy Deng DRAWN: W.J.ZHU ERP: 1205000010
2.7 [0.106]
7[0.276]
3.[0.118]
0.5 [0.02] 0.1
9.66 [0.38]
3.5 [0.138]
0.4[0.015]MIN.
0.9 [0.035] 0.2
1.2 [0.047] 0.3
1432
14
Internal connection
diagram
KB824
6.5[0.256]
KB814
KB814
856
7
8
Top View
2.54 [0.1] 0.25
5
5, 7. Emitter 6, 8. Collector
Anode
mark
1, 3 . Anode,Cathode 2, 4. Anode,Cathode
θ
θ
0.25 [0.01] 0.1
°
7.62 [0.3] 0.3
= 0 to 13
*
* *
*PACKAGE DIMENSIONS (UNIT:mm)
DIP Type
TOLERANCE : ±0.5[±0.02] UNLESS OTHERWISE NOTED.
*
CEO
ECO
Ptot
Viso
Topr
Tsol
Tstg
C
C
Symbol
Total power dissipation
*2 Soldering temperature
*2
*1
Isolation voltage
Storage temperature
Operating temperature
*1
Emitter-collector voltage
Collector power dissipation
Collector-emitter voltage
Collector current
Output
Power dissipation
Forward current
Input
Parameter
V
I
P
V
P
FI
200 mW
° C
° C
° C
V
260
-55~+125
-30~+100
5000 r.m.s
Unit
mW
mW
mA
mA
35
50
150
6
± 50
Rating
70
V
V
Absolute Maximum Ratings (Ta=25 C)
°
40 to 60%RH, AC for 1 minute
For 10 seconds
rms
V
PHOTOCOUPLER
KB824
SPEC NO: DSAD1534 REV NO: V.6 DATE: NOV/15/2005 PAGE: 3 OF 9
APPROVED: J. Lu CHECKED: Tracy Deng DRAWN: W.J.ZHU ERP: 1205000010
Transfer
charact-
eristics Response time Rise time
Fall time
t VCE=2V, IC=2mA
RL=100Ω318
418
μ
μ
Forward voltage
* Electro-optical Characteristics
Current transfer ratio
Peak forward voltage
Collector dark current
Collector-emitter saturation voltage
Input
Output
IFM 0.5A 3.0VFM
VCE(sat)
CTR
ICEO
IF 20mA, IC=1mA
IF 1mA, VCE=5V
0.1 0.2
20 300
VCE=20V,IF=0mA -7
10
Parameter
VF
Symbol
IF 20mA
Conditions
1.2 1.4
Typ.
Min. Max.
V
V
%
A
V
Unit
tf
r
Classification table of current transfer ratio is shown below.
X 100%CTR= Ic
F
I
Model NO. Rank mark CTR(%)
KB824L L 20~60
KB824A A 50~150
KB824B B 120~300
KB824LA L or A 20~150
KB824AB A or B 50~300
KB824 L,A,B or No mark 20~300
(Ta=25 C)°
PHOTOCOUPLER
KB824
SPEC NO: DSAD1534 REV NO: V.6 DATE: NOV/15/2005 PAGE: 4 OF 9
APPROVED: J. Lu CHECKED: Tracy Deng DRAWN: W.J.ZHU ERP: 1205000010
Fig. 1 Current Transfer Ratio vs.
Forward Current Fig. 2 Forward Current vs.
Forward voltage
Fig. 3 Collector Current vs.
Collector-emitter Voltage Fig. 4 Relative Current Transfer Ratio
vs. Ambient Temperature
Fig. 5 Collector-emitter Saturation
Voltage vs. Ambient Temperature Fig. 6 Collector Dark Current vs.
Ambient Temperature
PHOTOCOUPLER
KB824
SPEC NO: DSAD1534 REV NO: V.6 DATE: NOV/15/2005 PAGE: 5 OF 9
APPROVED: J. Lu CHECKED: Tracy Deng DRAWN: W.J.ZHU ERP: 1205000010
Fig. 9 Response Time vs.
Load Resistance
Fig. 10 Frequency Response
Ambient Temperature
Fig. 7 Forward Current vs.
Test Circuit for Response Time
Test Circuit for Frequency Response
Fig. 8 Collector Power Dissipation vs.
Ambient Temperature
K
PHOTOCOUPLER
KB824
SPEC NO: DSAD1534 REV NO: V.6 DATE: NOV/15/2005 PAGE: 6 OF 9
APPROVED: J. Lu CHECKED: Tracy Deng DRAWN: W.J.ZHU ERP: 1205000010
Cycle One cycle allowed to be dipped in solder including plastic nold portion.
Rosin flux containing small amount of chlorine
(The flux with a maximum chlorine content of 0.2 Wt % is recommended.)
even if the voltage is within the absolute maximum ratings.
Be aware that power is suddenly into the component any surge current may cause damage happen,
2.Cautions regarding noise
Avoid removing the residual flux with freon-based and chlorine-based cleaning solvent.
(2) Cautions
Fluxes
Flux
Voltage vs. Forward Current
260 or below (molten solder temperature)
1.Recommended soldering conditions (Dip soldering)
Less than 10 seconds.
Temperature
(1) Dip soldering
Time
* NOTES ON HANDLING
Fig. 11 Collector-emitter Saturation
°C
PHOTOCOUPLER
KB824
SPEC NO: DSAD1534 REV NO: V.6 DATE: NOV/15/2005 PAGE: 7 OF 9
APPROVED: J. Lu CHECKED: Tracy Deng DRAWN: W.J.ZHU ERP: 1205000010
Within this device there exists GaAs (Gallium Arsenide) material which is a harmful substance if ingested.
malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical
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
document, please confirm that this is the latest version. Not all devices / types available
The information in this document is subject to change without notice. Before using this
RESTRICTIONS ON PRODUCT USE
GaAs dust and fumes are toxic. Do not break, cut or pulverize the product, or use chemicals to dissolve them.
We are mention about our product quality stablity, semiconductor devices in general can
in every country.
CAUTION
PHOTOCOUPLER
KB824
SPEC NO: DSAD1534 REV NO: V.6 DATE: NOV/15/2005 PAGE: 8 OF 9
APPROVED: J. Lu CHECKED: Tracy Deng DRAWN: W.J.ZHU ERP: 1205000010
Dimension of Tube Unit:mm
TOLERANCE : ± 0.4[± 0.012] UNLESS OTHERWISE NOTED.
Dimension of Carton
Part Number Package Packing Style
KB824 8-pin DIP 50pcs / each tube
PHOTOCOUPLER
KB824
SPEC NO: DSAD1534 REV NO: V.6 DATE: NOV/15/2005 PAGE: 9 OF 9
APPROVED: J. Lu CHECKED: Tracy Deng DRAWN: W.J.ZHU ERP: 1205000010
PACKING & LABEL SPECIFICATIONS