Photocoupler
K3640 • K3641
These Photocouplers cosist of two Gallium Arsenide Infrared Emitting
Diodes and a Silicon NPN PhotoDarlington transistor in a 6-pin
package.
DIMENSION
(Unit : mm)
FEATURES
• Collector-Emitter Voltage : Min.35V
• Current Transfer Ratio : Typ.500% (at I
F
=
±1mA,
V
CE
=2V)
• Electrical Isolation Voltage : AC2500V
rms
• Without Base Connection : K3640
• With Base Connection : K3641
• UL Recognized File No. E107486
PIN NO. AND INTERNAL
CONNECTION DIAGRAM
K3640
6
5
4
APPLICATIONS
• Interface between two circuits of different potential
• Telephone Line Receiver
• Automatic Vending Machine
• Power Supply Regulators
K3641
1
6
2
5
3
4
1
2
3
MAXIMUM RATINGS
Parameter
Forward Current
Input
Peak Forward Current
Power Dissipation
Junction Temperature
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
** Except for K3640
*1. Input current with 100ms pulse width, 1% duty cycle
*2. Measured at RH=40~60% for 1min
*3. 1/16 inch form case for 10sec
*3
*2
*1
(Ta=25
℃
)
Symbol
I
F
I
FP
P
D
T
J
BV
CEO
BV
ECO
BV
CBO
I
C
P
C
V
iso
T
stg
T
opr
T
sol
P
tot
Rating
±
60
±
1
150
125
35
6
35
50
150
AC2500
-55~+125
-30~+100
260
200
Unit
mA
A
mW
℃
V
V
V
mA
mW
V
rms
℃
℃
℃
mW
1/3
KODENSHI [ KODENSHI KOREA CORP. ]
