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Photocoupler
K4N35 *K4N36 *K4N37
These Photocouplers consist of a Gallium Arsenide Infrared Emitting DIMENSION Diode and a Silicon NPN Phototransistor in 6-pin package.
6 5 4
(Unit : mm)
7.62 6.4 0.25
FEATURES
* Switching Time - Typ. 3s * Collector-Emitter Voltage : Min.30V * Current Transfer Ratio : Typ.100% (at IF=10mA, VCE=10V) * Electrical Isolation Voltage : AC2500Vrms
6.4
0.25
0.25 1 8.9 Orientation Mark
2
3 0.25
0
-15
0.25
* UL Recognized File No. E107486
0.51Min.
PIN NO. AND INTERNAL CONNECTION DAGRAM
APPLICATIONS
* Interface between two circuits of different potential * Vending Machine, Voltage Regulator * Traffic Controller System * Programmable Controller
2.7Min.
3.8
6
5
4
0.5 2.54 0.25 1.2
1
2
3
MAXIMUM RATINGS Parameter
Forward Current Input Reverse Voltage Peak Forward Current Power Dissipation Collector-Emitter Breakdown Voltage Emitter-Collector Breakdown Voltage Output Collector-Base Breakdown Voltage Collector Current Collector Power Dissipation Input to Output Isolation Voltage Storage Temperature Operating Temperature Lead Soldering Temperature Total Power Dissipation
*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 *4. Customer Option
*3 *2 *1
Symbol
IF VR IFP PD BVCEO BVECO BVCBO IC PC Viso Tstg Topr Tsol Ptot
Rating
60 5 3 70 35 6 70 50 150 AC2500 -55~+125 -30~+100 260 200
*4
(Ta=25E ) Unit
mA V A mW V V V mA mW Vrms E E E mW
1/3
Photocoupler
K4N35 *K4N36 *K4N37
ELECTRO-OPTICAL CHARACTERISTICS
Parameter Forward Voltage Input Reverse Current Capacitance Collector-Emitter Breakdown Voltage Emitter-Collector Breakdown Voltage Output Collector-Base Breakdown Voltage Collector Dark Current Capacitance Current Transfer Ratio
*5
Symbol VF IR CT BVCEO BVECO BVCBO ICEO CCE CTR VCE(SAT) CIO RIO tr tf
Condition IF=10mA VR=5V V=0, f=1MHz IC=1mA IE=0.1mA IC=0.1mA IF=0, VCE=10V VCE=0, f=1MHz IF=10mA, VCE=10V IF=10mA, IC=0.5mA V=0, f=1MHz RH=40~60%, V=500V VCC=10V, RL=100U IC=2mA
(Ta=25E , unless otherwise noted) Min. Max. Unit. Typ. 35 6 70 100 1.15 30 10 0.15 1 10
11
1.30 10 50 0.3 10 10
V E pF V V V nA pF % V pF E E E
Collector-Emitter Saturation Voltage Coupled Input-Output Capacitance Input-Output Isolation Resistance Rise Time Fall Time
*5. CTR=(IC/IF) X 100 (%)
3 3
2/3
Photocoupler
K4N35 * K4N36 * K4N37
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 40 Ta=25E 20 Ta=-55E
20
100
10
50
0 -20
0
20
40
60
80
100
0 -20
0 0 20 40 60 80 100 0.4 0.8 1.2 1.6
Ambient Temperature Ta (E )
Ambient Temperature Ta (E )
Forward Voltage VF (V)
Collector Current vs. Collector-Emitter Voltage
Ta=25E 40 IF=30mA 1
Dark Current vs. Ambient Temperature
100
Collector Current vs. Ambient Temperature
Collector Current IC (mA)
Collector Current IC (mA)
Dark Current ICEO (E)
IF=20mA 10 IF=10mA IF=5mA
30
IF=20mA
0.1
20
VCE=10V 0.01
IF=10mA IF=5mA
1 IF=1mA
10
IF=1mA 0 2 4 6 8 10
0.001 0 20 40 60 80 100
0 -20
0
20
40
60
80
Collector-Emitter Voltage VCE (V)
Ambient Temperature Ta (E )
Ambient Temperature Ta (E )
Response Time vs. Load Resistance
500 100 VCE=10V IC=2mA Ta=25E
Collector Current vs. Forward Current
Ta=25E VCE=10V
Switching Time Test Circuit
VIN R VCC RL VO
Response Time tr, tf (is)
100 tf tr 10
Collector Current IC (mA)
10
1
Test Circuit
0.1
Input
1
0.01
Output
10%
0.1 0.1 1.0 5.0
0.001 0.1
90%
1
10
100
tr
tf
Load Resistance RL (U)
Forward Current IF (mA) Forward Current IF (mA)
Waveform
3/3

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