KAQY412 Series
cosmo
Description
The KAQY412 series is robust, ideal for telecom and
ground fault applications. It is a SPST normally close
switch (1 Form B) that replaces electromechanical relays
in many applications. It is constructed using a GaAlAs
LED for actuation control and an integrated monolithic die
for the switch output. The die, fabricated in a high-voltage
dielectrically isolated technology, is comprised of a
photodiode array, switch control circuitry and MOSFET
switches.
4PIN 60V N.C. TYPE
SOLID STATE RELAY-MOSFET OUTPUT
Schematic
4
3
1
2
1 FORM B
NORMALLY CLOSE
4
1
3
2
Features
1. Normally close, single pole single throw
2. Control 60V AC or DC voltage
3. Switch 200mA loads
4. Controls low-level analog signals
5. High sensitivity, low ON resistance
6. Low-level off-state leakage current
7. High isolation voltage
8. Pb free and RoHS compliant
9. Agency Approvals：
• UL 1577 / CUL C22.2 No.1 & NTD No. 5, File No. E169586
• UL 508 / CUL C22.2 No.14-M91, File No. E108430
• VDE EN60747-5-2, File No. 40020973
Application
• Telecommunications (PC, electronic notepad)
• Modem
• Telephone equipment
• Security equipment
• Sensors
• Measuring and testing equipment
• Factory automation equipment
• High speed inspection machines
Cosmo Electronics Corp.
Document No. 69M01001.1
-1-
http://www.cosmo-ic.com
KAQY412 Series
cosmo
Absolute Maximum Ratings
Item
Continuous forward current
Peak forward current
Input
Reverse voltage
Power dissipation
Derate linearly from 25℃
Breakdown voltage
Output
Continuous load current
Power dissipation
Isolation voltage
Isolation resistance (Vio=500V)
Total power dissipation
Derate linearly from 25℃
Operating temperature
Storage temperature
Junction temperature
Soldering temperature 10 seconds
Symbol
I
F
I
FP
V
R
P
in
-
V
B
I
L
P
out
V
iso
R
iso
P
t
-
T
opr
T
stg
T
j
T
sot
Rating
50
1
5
100
1.3
60
200
500
KAQY412S
1500Vrms
≧10
10
550
2.5
-40 to +85
-40 to +125
100
260
KAQY412
3750Vrms
Unit
mA
A
V
mW
mW/℃
V
mA
mW
KAQY412H
5000Vrms
Ω
mW
mW/℃
℃
℃
℃
℃
4PIN 60V N.C. TYPE
SOLID STATE RELAY-MOSFET OUTPUT
(Ta=25℃)
Electro-optical Characteristics
Parameter
Forward voltage
Input
Operation input current
Recovery input current
Output
Breakdown voltage
Off-state leakage current
Symbol
V
F
I
FOFF
I
FON
V
B
I
LEAK
C
iso
R
ON
T
ON
T
OFF
Conditions
I
F
=10mA
V
L
=20V, I
L
≦5μA
V
L
=20V, I
L
=100mA
I
B
=50μA, I
F
=10mA
V
L
=60V, I
F
=5mA
V
B
=0V, f=1MHz
I
F
=0mA, I
L
=100mA
I
F
=10mA, V
L
=20V
I
L
=100mA, t=10ms
Min.
-
-
0.2
60
-
-
-
-
-
Avg.
1.2
-
-
-
1.0
6
2.5
0.6
0.3
(Ta=25℃)
Max.
1.5
3.0
-
-
2.0
-
5
1.5
1.5
Unit
V
mA
mA
V
μA
pF
Ω
ms
ms
I/O capacitance
ON resistance
Reverse (ON) time
Operate (OFF) time
Turn-on / Turn-of Time
Input
Output
T
OFF
T
ON
10%
90%
Cosmo Electronics Corp.
Document No. 69M01001.1
-3-
http://www.cosmo-ic.com
KAQY412 Series
cosmo
Fig.1 Load Current
vs. Ambient Temperature
350
300
4PIN 60V N.C. TYPE
SOLID STATE RELAY-MOSFET OUTPUT
Fig.2 On Resistance
vs. Ambient Temperature
5
4
Load Current (mA)
250
200
150
100
50
0
-4 0
-2 0
0
20
40
60
80
100
On Resistance (Ω)
3
2
1
0
-4 0
-2 0
0
20
40
60
80
Ambient Temperature Ta (℃)
Ambient Temperature Ta (℃)
Fig.3 Operate (OFF) Time
vs. Ambient Temperature
1 .0
Fig.4 Reverse (ON) Time
vs. Ambient Temperature
1 .0
Reverse (On) Time (ms)
Operate (Off) Time (ms)
0 .8
0 .8
0 .6
0 .6
0 .4
0 .4
0 .2
0 .2
0
-40
-2 0
0
20
40
60
80
0
-4 0
-2 0
0
20
40
60
80
Ambient Temperature Ta (℃)
Ambient Temperature Ta (℃)
Fig.5 LED Operate Current
vs. Ambient Temperature
5
Fig.6 LED Turn-off Current
vs. Ambient Temperature
2 .5
LED Operate Current (mA)
LED Turn-off Current (mA)
4
2 .0
3
1 .5
2
1 .0
1
0 .5
0
-4 0
-2 0
0
20
40
60
80
0
-4 0
-2 0
0
20
40
60
80
Ambient Temperature Ta (℃)
Ambient Temperature Ta (℃)
Cosmo Electronics Corp.
Document No. 69M01001.1
-5-
http://www.cosmo-ic.com
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