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Photocoupler
K301 * K302 * K304
These Photocouplers consist of a Gallium Arsenide Infrared Emitting Diode and a Silicon NPN Photo Darlington transistor per a channel. The K301 has one channel in a 4-pin mini-flat SMD package. The K302 has two channels in a 8-pin mini-flat SMD package. The K304 has four channels in a 16-pin mini-flat SMD package.
FEATURES
* Mini-flat Package * Collector-Emitter Voltage : Min.30V * Current Transfer Ratio : Type 600% (at IF=1mA, VCE=2V) * Electrical Isolation Voltage : AC3750Vrms
APPLICATIONS
* Interface between two circuits of different potential * Telephone Line Receiver * Automatic Vending Machine * Power Supply Regulators
DIMENSION
K301
4
0.2
(Unit : mm) K302
3
0.2
8
7
6
5
4.4
4.4
1
Orientation Mark 7.0 3.6 0.2 0.2 0.5
2
Orientation Mark
1
2
3
4
7.0 0.05 8.7 0.2 0.2 5.2
0.5 0.2
5.2 0.2
0.15
2.5
0.1
2.54 0.1 2.54 0.25
2.54
K304
16 15 14 13 12 11 10 9
4.4
0.2
1
2
3
4
5
6
7
8
Orientation Mark 7.0 18.8 0.2 0.2 5.2 0.5 0.2
2.5
0.1
2.54
2.54
0.1
1/3
0.15
0.05
0.4Min.
0.15
0.05
0.4
0.1
0.4Min.
2.5
0.4Min.
Photocoupler
K301 * K302 * K304
MAXIMUM RATINGS Parameter
Forward Current Reverse Voltage Input Peak Forward Current Power Dissipation Junction Temperature Collector-Emitter Breakdown Voltage Output Emitter-Collector Breakdown Voltage Collector Current Collector Power Dissipation Input to Output Isolation Voltage*2 Storage Temperature Operating Temperature Lead Soldering Temperature Total Power Dissipation
*3 *1
Symbol
IF VR IFP PD TJ BVCEO BVECO IC PC Viso Tstg Topr Tsol Ptot
Rating
50 5 1 70 125 30 5 50 150 AC3750 -55~+125 -30~+85 260 250
(Ta=25E ) Unit
mA V A mW E V V mA mW Vrms E E E mW
*1. Input current with 100s 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 Forward Voltage Input Reverse Current Capacitance Collector-Emitter Breakdown Voltage Output Emitter-Collector Breakdown Voltage Collector Dark Current Capacitance Current Transfer Ratio
*4
(Ta=25E , unless otherwise noted)
Symbol VF IR CT BVCEO BVECO ICEO CCE CTR VCE(SAT) CIO RIO tr tf Condition IF=10mA VR=5V V=0, f=1KHz IC=0.5mA IE=0.1mA IF=0, VCE=10V VCE=0, f=1KHz IF=1mA, VCE=2V IF=1mA, IC=2mA V=0, f=1KHz RH=40~60%, V=500V VCE=10V, RL=100U IC=10mA Min. 30 5 300 Typ. 1.15 30 10 0.85 5 10
11
Max. 1.30 10 100 1500 1.0 -
Unit. V E pF V V nA pF % V pF U A A
Collector-Emitter Saturation Voltage Coupled Input-Output Capacitance Input-Output Isolation Resistance Rise Time Fall Time
*4. CTR=(IC/IF) X 100 (%)
100 100
2/3
Photocoupler
K301 * K302 * K304
Forward Current vs. Ambient Temperature
50
Collector Power Dissipation vs. Ambient Temperature
Collector Power Dissipation PC (mW)
250 100
Forward Current vs. Forward Voltage
Forward Current IF (mA)
Forward Current IF (mA)
40
200
80
30
150
60 Ta=70E Ta=25E
20
100
40
10
50
20 Ta=-55E 0.4 0.8 1.2 1.6
0 -20
0
20
40
60
80
100
0 -20
0 0 20 40 60 80 100
Ambient Temperature Ta (E )
Forward Voltage VF (V)
Collector Current vs. Collector-Emitter Voltage
Ta=25E 40 IF=3.5mA 10
Dark Current vs. Ambient Temperature
40 30
Collector Current vs. Forward Current
Ta=25E VCE=2V
Dark Current ICEO (u A)
Collector Current IC (mA)
IF=3.0mA 30 IF=2.5mA IF=2.0mA PC(max.)
1
Collector Current IC (mA)
25 20 15 10 5
0.1
20
IF=1.5mA IF=1mA
10
0.01
VCE=10V
0
2
4
6
8
10
0.001
0
20
40
60
80
100
0
1
2
3
4
5
6
Collector-Emitter Voltage VCE (V)
Ambient Temperature Ta (E )
Forward Current IF (mA)
Response Time vs. Load Resistance
5000 VCE=10V IC=10mA Ta=25E VIN
Switching Time Test Circuit
VCC R RL VO
Response Time tr, tf (us)
1000
tf 100 tr
Test Circuit
10
Input Output 10%
10 0.05
0.1
0.2
0.5
1
2
90%
tr
tf
Load Resistance RL (U )
Waveform
3/3

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