Photocoupler
KPC814A • KPC824A • KPC844A
These Photocouplers consist of two Gallium Arsenide Infrared Emitting Diodes connected in a reverse-paralled configuration for AC-input and a Silicon NPN Phototransistor per a channel. The KPC814A has one channel in a 4-pin DIP package. The KPC824A has two channels in a 8-pin DIP package. The KPC844A has four channels in a 16-pin DIP package.
FEATURES
• Small Package Size • Collector-Emitter Voltage : Min.35V • Current Transfer Ratio : 50% Min.(at IF=A1mA) • Electrical Isolation Voltage : AC5000Vrms • UL Recognized File No. E107486 • VDE Approval No. 0884
APPLICATIONS
• AC Signal Input • Interface between two circuits of difference • Vending Machine • Cordless Phone, Key Phone • Programmable Logic Control
DIMENSION KPC814A
3 0.25
(Unit : mm) KPC824A
8 0.25 7 6 5
6.5
1 Orientation Mark
2 Orientation Mark
6.5
1
2
3
4
4.6 0.25
0.25
7.62 0.25 6.5 0.25
9.7
0.25
7.62 0.25 6.5
3.5
2.5Min.
3.5
0.51Min.
0.5 1.2 2.54
0.25
0.51Min.
2.5Min.
0
0.25
~15
0.5 1.2 2.54
0.25
0
0.25
~15
KPC844A
0.25
16
15
14
13
12
11
10
9
6.5
1 Orientation Mark
2
3
4
5
6
7
8
19.8 0.25
0.25
7.62 0.25 6.5
3.5
0.51Min.
2.5Min.
0.25
0.5 1.2 2.54 0.25
0
~15
1/3
Photocoupler
KPC814A • KPC824A • KPC844A
MAXIMUM RATINGS Parameter
Forward Current Input Peak Forward Current Power Dissipation
*1
Symbol
IF IFP PD BVCEO BVECO IC PC Viso Tstg Topr Tsol Ptot
*2
Rating
±50 ±1 70 35 6 50 150 AC5000 -55~+125 -30~+100 260 200
(Ta=25℃) Unit
mA A mW V V mA mW Vrms ℃ ℃ ℃ mW
Collector-Emitter Breakdown Voltage Output Emitter-Collector Breakdown Voltage Collector Current Collector Power Dissipation Input to Output Isolation Voltage Storage Temperature Operating Temperature Lead Soldering Temperature Total Power Dissipation
*3
*1. Input current with 100㎲ pulse width, 1% duty cycle *2. Measured at RH=40~60% for 1min *3. 1/16 inch form case for 10sec
ELECTRO-OPTICAL CHARACTERISTICS
Parameter Input Forward Voltage Capacitance Collector-Emitter Breakdown Voltage Output Emitter-Collector Breakdown Voltage Collector Dark Current Capacitance Current Transfer Ratio
*4
(Ta=25
Symbol VF CT BVCEO BVECO ICEO CCE CTR VCE(SAT) CIO RIO tr tf
CTR1/CTR2
, unless otherwise noted)
Typ. 1.15 30 10 0.15 1 10
11
Condition IF= ±10mA V=0, f=1kHz IC=0.5mA IE=0.1mA IF=0, VCE=24V VCE=0, f=1kHz IF= ±1mA, VCE=5V IF= ±5mA, IC=1mA V=0, f=1kHz RH=40~60%, V=500V VCE=5V, RL=100Ω IC=2mA
Min. 35 6 50 1
Max. 1.30 100 600 0.4 3
Unit. V pF V V nA pF % V pF Ω ㎲ ㎲
Collector-Emitter Saturation Voltage Coupled Input-Output Capacitance Input-Output Isolation Resistance Rise Time Fall Time Symmetry Ratio
*4. CTR=(IC/IF) X 100 (%)
4 4 -
2/3
Photocoupler
KPC814A • KPC824A • KPC844A
Forward Current vs. Ambient Temperature
50
Collector Power Dissipation vs. Ambient Temperature
Collector Power Dissipation P C (mW)
250 100
Forward Current vs. Forward Voltage
Forward Current I F (mA)
30
150
Forward Current I F (mA)
40
200
80
60 Ta =70℃ 40 Ta=25℃ 20 Ta=-55℃ 0
20
100
10
50
0 -20
0
20
40
60
80
100
0 -20
0
20
40
60
80
100
0.4
0.8
1.2
1.6
Ambient Temperature Ta (℃)
Ambient Temperature Ta (℃ )
Forward Voltage V F (V)
Collector Current vs. Collector-Emitter Voltage
Ta=25℃ 40 I F =30mA 1
Dark Current vs. Ambient Temperature
100
Collector Current vs. Ambient Temperature
Collector Current I C (mA)
Collector Current I C (mA)
Dark Current I CEO (㎂ )
I F =20mA 10 I F =10mA I F =5mA
I F =20mA 30 PC (max.) 20 I F =10mA I F =5mA 10 I F =1mA
0.1
0.01
VCE =24V
1 I F =1mA
0.001 0 2 4 6 8 10 0 20 40 60 80
0 -20
0
20
40
60
80
Collector-Emitter Voltage V CE (V)
Ambient Temperature Ta (℃ )
Ambient Temperature Ta (℃ )
Response Time vs. Load Resistance
500 VCE=5V I C=2mA Ta=25℃ 100 100
Collector Current vs. Forward Current
Ta=25℃ VCE=5V VIN
Switching Time Test Circuit
VCC RL R VO
Response Time t r , t f (μs)
Collector Current I C (mA)
10
tr
1
10
tf
Test Circuit
0.1
Input
1
0.01
Output 10%
0.1 0.1 1.0 2.0
0.001 0.1
90%
tr
tf
1
10
100
Load Resistance R L (㏀)
Forward Current I F (mA)
Waveform
3/3
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