Photocoupler
PC-18K1 • PC-18K2 • PC-18K4
These Photocouplers cosist of a Gallium Arsenide Infrared Emitting Diode and a Silicon NPN Photo Darlington transistor perachannel. The PC-18K1 has one channel in a 4-pin package. The PC-18K2 has two channels in a 8-pin package. The PC-18K4 has four channels in a 16-pin package.
FEATURES
• Small Package Size • Collector-Emitter Voltage : Min.30V • Current Transfer Ratio : Type 600% (at IF=1mA, VCE=2V) • Electrical Isolation Voltage : AC5000Vrms • UL Recognized File No. E107486
APPLICATIONS
• Interface between two circuits of different potential • Telephone Line Receiver • Automatic Vending Machine • Relay Contact Monitor
DIMENSION
PC18K1
4 0.25 3
8
(Unit : mm) PC18K2
7 6 5
6.5
1 Orientation Mark
2
1 Orientation Mark 2
7.62 0.25 6.5
6.5
0.25
3
4
7.62
0.25
4.6 0.25
0.25
6.5
9.7
0.25
3.5
3.5 0.25
2.5Min.
0.51Min.
0.51Min.
2.5Min.
0.25
0 ~15
0.25
0 ~15
0.5 1.2 2.54 0.25
0.5 1.2 2.54 0.25
PC18K4
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
PC-18K1 • PC-18K2 • PC-18K4
MAXIMUM RATINGS Parameter
Forward Current Reverse Voltage Input Peak Forward Current Power Dissipation Junction Temperature Collector-Emitter Breakdown Voltage 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 *2 *1
Symbol
IF VR IFP PD TJ BVCEO BVECO IC PC Viso Tstg Topr Tsol Ptot
Rating
60 5 1 150 125 30 5 50 150 AC5000 -55~+125 -30~+100 260 250
(Ta=25℃ ) Unit
mA V A mW ℃ V V mA mW Vrms ℃ ℃ ℃ mW
Output
*1. Input current with 100µs 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=25℃, 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=100Ω IC=10mA Min. 35 5 300 Typ. 1.15 30 10 0.85 1 10
11
Max. 1.30 10 100 1500 1.0 -
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
*4. CTR=(IC/IF) X 100 (%)
100 100
2/3
Photocoupler
PC-18K1 • PC-18K2 • PC-18K4
Forward Current vs. Ambient Temperature
Forward Current I F (mA)
50
Collector Power Dissipation vs. Ambient Temperature
Collector Power Dissipation PC (mW)
250
Forward Current vs. Forward Voltage
Forward Current I F (mA)
140 120 100
Ta=70℃
40
200
30
150
80 60 40
Ta=-55℃ Ta =25℃
20
100
10 0 -20
50 0 -20
20 0 0.4 0.8 1.2 1.6 2.0
0
20
40
60
80
100
0
20
40
60
80
100
Ambient Temperature Ta (℃)
Ambient Temperature Ta (℃)
Forward Voltage VF(V)
Collector Current vs. Collector-Emitter Voltage
10
Ta=25℃
Dark Current vs. Ambient Temperature
100
Collector Current vs. Forward Current
Collector Current IC (mA)
Ta=25℃ 60 VCE =2V
Collector Current IC (mA)
40
I F=3mA I F=2.5mA
Dark Current ICEO (u A)
1
30
I F =2mA I F =1.5mA P C (max.)
VCE =24V
0.1
20
I F =1mA
0.01
VCE =10V
10
I F =0.5mA
0
2
4
6
8
10
0.001 0
~
50 40 30 20 10 0
20
40
60
80
100
1
3
5
7
9
11
Collector-Emitter Voltage VCE (V)
Ambient Temperature Ta (℃)
Forward Current I F (mA)
Response Time vs. Load Resistance
5000
Switching Time Test Circuit
VCC RL VIN R VO
Response Time tr, t f (us)
1000
VCE =10V I C=10mA Ta=25℃
tr 100 tf
Test Circuit
10
Input Output 10 %
10 0.05
0.1
0.2
0.5
1
2
90 %
tr
tf
Load Resistance RL (㏀)
Waveform
3/3
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