K3010 Series
4PIN PHOTOTRANSISTOR
PHOTOCOUPLER
cosmo

 Schematic
Description
The K3010 series consist of two infrared emitting
diodes, connected in inverse parallel, optically coupled
to a phototransistor detector. They are packaged in a
4-pin DIP package and available in wide-lead spacing
and SMD option.
1. Anode, Cathode
2. Anode, Cathode
3. Emitter
4. Collector

Features
1. Current transfer ratio
( CTR：Min. 50% at IF=± 1mA VCE=5V )
2. High isolation voltage between input and output
( Viso：5000Vrms )
3. Pb free and RoHS compliant
4. MSL class 1
5. Agency Approvals
• UL Approved (No. E169586): UL1577
• c-UL Approved (No. E169586)
• VDE Approved (No. 101347): DIN EN60747-5-5
• FIMKO Approved: EN60065, EN60950, EN60335
• SEMKO Approved: EN60065, EN60950, EN60335
• CQC Approved: GB8898-2011, GB4943.1-2011

Applications
• System appliances
• Limit Switches
• Sensors
• Programmable controllers applications for Low Input Photocouplers and High Vceo Photocouplers
• Telephone sets
• Telephone exchangers
• Thermostats
• Signal transmission between circuits of different potentials and impedances
Cosmo Electronics Corp.
Document No. 69P10001.2
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K3010 Series
4PIN PHOTOTRANSISTOR
PHOTOCOUPLER
cosmo

Outside Dimension
Unit : mm
1.Dual-in-line type.
2.Surface mount type.
K30101X
K30102X
7.62
7.62
4.60
6.50
6.50
0.25
3.50
2.70
0.25
1.00
10.00±0.4
0.50
1.20
0.10±0.1
0~10°
0.40
3.00
3.50
4.60
1.20
2.54
2.54
13.00°
13.00°
4.Long creepage distance
for surface mount type.
3.Long creepage distance type
K30106X
K30103X
10.16
7.62
7.62
4.60
3.50
0.30
10.16±0.50
1.20
0.25
2.70
0.25
0.90±0.25
11.80+0.2
-0.5
0~10°
0.25
3.50
3.00
0.90±0.25
1.20
2.54
0.50
TOLERANCE：±0.2mm
2.54

4.60
6.50
6.50
Device Marking
Notes:
cosmo
3010
814
YWW
Cosmo Electronics Corp.
Document No. 69P10001.2
cosmo
3010
814
YWW
□
Y: Year code / WW: Week code
□: CTR rank
-2-
http://www.cosmo-ic.com
K3010 Series
4PIN PHOTOTRANSISTOR
PHOTOCOUPLER
cosmo

Absolute Maximum Ratings
(Ta=25℃)
Parameter
Input
Output

Symbol
Rating
Unit
Forward current
IF
±50
mA
Peak forward current
IFM
±1
A
Power dissipation
PD
70
mW
Collector-emitter voltage
VCEO
80
V
Emitter-collector voltage
VECO
6
V
Collector current
IC
50
mA
Collector power dissipation
PC
150
mW
Total power dissipation
Ptot
200
mW
Isolation voltage 1 minute
Viso
5000
Vrms
Operating temperature
Topr
-55 to +115
℃
Storage temperature
Tstg
-55 to +125
℃
Soldering temperature 10 seconds
Tsol
260
℃
Electro-optical Characteristics
Input
Output
(Ta=25℃)
Parameter
Symbol
Forward voltage
VF
Peak forward voltage
VFM
Terminal capacitance
Ct
Collector dark current
Current transfer ratio
Collector-emitter saturation
Isolation resistance
Transfer
charac- Floating capacitance
teristics
Cut-off frequency
Response time (Rise)
Response time (Fall)
Cosmo Electronics Corp.
Document No. 69P10001.2
Conditions
Min.
Typ.
Max.
Unit
IF=±20mA
-
1.2
1.4
V
IFM=±0.5A
-
-
3.0
V
V=0, f=1KHz
-
30
-
pF
ICEO
VCE=20V
-
-
0.1
μA
CTR
IF=±1mA, VCE=5V
50
-
600
%
-
0.1
0.3
V
-
Ω
VCE(sat) IF=±20mA, IC=1mA
Riso
DC500V
5x10
10
11
10
Cf
V=0, f=1MHz
-
0.6
1.0
pF
fC
VCC=5V, IC=2mA, RL=100Ω
-
80
-
KHz
-
5
20
μs
-
4
20
μs
tr
tf
VCE=2V, IC=2mA, RL=100Ω
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K3010 Series
4PIN PHOTOTRANSISTOR
PHOTOCOUPLER
cosmo
Fig.1 Current Transfer Ratio
vs. Forward Current
Current Transfer Ratio
CTR ( % )
140
Classification table of current
transfer ratio is shown below.
K3010 Model No.
K3010 A
K3010 B
K3010 C
CTR ( % )
60 ~ 600
60 ~ 300
50 ~ 150
120
100
80
60
40
20
0
0.1 0.2 0.5
1
2
5
10
20
50
Forward Current IF (mA)
Fig.2 Collector Power Dissipation
Fig.3 Collector Dark Current
vs. Ambient Temperature
vs. Ambient Temperature
-5
10
Collector Dark Current
ICEO ( A )
Collector Power Dissipation
PC ( mW )
250
200
150
100
50
VCE =20V
10-6
-7
10
-8
10
-9
10
-10
10
-11
0
-55
10
0
25
50
75
-55
115 125
Ambient Temperature Ta (℃)
50
200
Forward Current IF ( mA )
Forward Current IF ( mA )
500
40
30
20
10
50
75
100
50
T a=75° C
50° C
25° C
0° C
20
-25° C
10
5
2
1
1.0
115 125
Ambient Temperature Ta (℃)
Cosmo Electronics Corp.
Document No. 69P10001.2
115
vs. Forward Voltage
60
25
75
Fig.5 Forward Current
vs. Ambient Temperature
0
50
Ambient Temperature Ta (℃)
Fig.4 Forward Current
0
-55
25
0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
Forward Voltage VF (V)
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K3010 Series
4PIN PHOTOTRANSISTOR
PHOTOCOUPLER
cosmo
Fig.6 Collector Current
vs. Collector-Emitter Voltage
Fig.7 Relative Current Transfer Ratio
vs. Ambient Temperature
150
30
Collector Current IC (mA)
Relative Current Transfer
Ratio ( % )
Ta=25°C
IF =30mA
20mA
20
15mA
10
10mA
5mA
IF =1mA
VCE =5V
100
50
0
0
2
4
6
8
0
-55
10
Fig.8 Collector-Emitter Saturation Voltage
vs. Ambient Temperature
0. 08
I F =20mA
Ic=1mA
0. 07
0. 06
0. 05
0. 04
0. 03
0. 02
0. 01
0
-55
0
20
40
60
80
Ta=25 C
Ic=0.5mA
Ic=1mA
4
Ic=3mA
3
Ic=5mA
2
Ic=7mA
1
0 1
Response Fall Time ( us )
Response Rise Time ( us )
100
5
2
1
0.5
0.5
1
2
5
7
9
12
15
20
10
tf
5
2
1
0.5
0.2
0.1
0.1 0.2
0.5
1
2
5
10
10
Load Resistance RL (KΩ)
Cosmo Electronics Corp.
Document No. 69P10001.2
5
V CE =2V
Ic=2mA
Ta=25° C
50
0.03
0.1 0.2
3
Fig.11 Response Time (Fall)
vs. Load Resistance
tr
0.2
0.1
0.03
115
Forward Current IF (mA)
V CE = 2 V
Ic=2mA
Ta=25° C
20
10
75
5
0
1 00 1 15
Fig.10 Response Time (Rise)
vs. Load Resistance
50
50
6
Ambient Temperature Ta (℃)
100
25
Fig.9 Collector-Emitter Saturation
Voltage vs. Forward Current
Collector-Emitter Saturation
Voltage VCE ( V )
Collector-Emitter Saturation
Voltage VCE ( V )
0. 09
0
Ambient Temperature Ta (℃)
Collector-Emitter Voltage VCE (V)
0. 1
-25
Load Resistance RL (KΩ)
-5-
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K3010 Series
4PIN PHOTOTRANSISTOR
PHOTOCOUPLER
cosmo

Test Circuit for Response Time
Vcc
IF
RL
1
4
2
3
Vce
IF
Vce
90%
10%
tr
Cosmo Electronics Corp.
Document No. 69P10001.2
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tf
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K3010 Series
4PIN PHOTOTRANSISTOR
PHOTOCOUPLER
cosmo
 Recommended Soldering Conditions
(a) Infrared reflow soldering：

Peak reflow soldering：
260℃ or below (package surface temperature)

Time of peak reflow temperature：
10 sec

Time of temperature higher than 230℃：
30-60 sec

Time to preheat temperature from 180~190℃： 60-120 sec

Time(s) of reflow：
Two

Flux：
Rosin flux containing small amount of chlorine (The
flux with a maximum chlorine content of 0.2 Wt% is
recommended.)
Recommended Temperature Profile of Infrared Reflow
10 sec M ax.
temperature
260℃
230℃
190℃
3 0 -6 0 s e c
180℃
6 0 -1 2 0 s e c
t (s )
(b) Wave soldering：

Temperature：
260℃ or below (molten solder temperature)

Time：
10 seconds or less

Preheating conditions：
120℃ or below (package surface temperature)

Time(s) of reflow：
One

Flux：
Rosin flux containing small amount of chlorine (The flux with a maximum
chlorine content of 0.2 Wt% is recommended.)
(c) Cautions：

Fluxes：
Avoid removing the residual flux with freon-based and chlorine-based
cleaning solvent.

Avoid shorting between portion of frame and leads.
Cosmo Electronics Corp.
Document No. 69P10001.2
-7-
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K3010 Series
4PIN PHOTOTRANSISTOR
PHOTOCOUPLER
cosmo
 Numbering System
K3010 X Y (Z)
Notes:
K3010 = Part No.
X = Lead form option (1, 2, 3, 6)
Y = CTR rank option (A~C)
Z = Tape and reel option (TLD, TRU)
Option
Description
Packing quantity
2 (TLD)
surface mount type package + TLD tape & reel option
2000 units per reel
2 (TRU)
surface mount type package + TRU tape & reel option
2000 units per reel
6 (TLD)
6 (TRU)
long creepage distance for surface mount type package +
TLD tape & reel option
long creepage distance for surface mount type package +
TRU tape & reel option
2000 units per reel
2000 units per reel
 Recommended Pad Layout for Surface Mount Lead Form
2.Long creepage distance
for surface mount type.
4 pin L
1.Surface mount type.
4 pin SMD
Unit : mm
Cosmo Electronics Corp.
Document No. 69P10001.2
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K3010 Series
4PIN PHOTOTRANSISTOR
PHOTOCOUPLER
cosmo
 4-pin SMD Carrier Tape & Reel
TOLERANCE：±0.2mm
Cosmo Electronics Corp.
Document No. 69P10001.2
-9-
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K3010 Series
4PIN PHOTOTRANSISTOR
PHOTOCOUPLER
cosmo
參考用
 4-pin L Carrier Tape & Reel
TOLERANCE：±0.2mm
Cosmo Electronics Corp.
Document No. 69P10001.2
- 10 -
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K3010 Series
4PIN PHOTOTRANSISTOR
PHOTOCOUPLER
cosmo
 Application Notice
The content of datasheet is the guidance for product use only. cosmo takes no responsibility to the
accuracy of the information provided here. For continuously improving all of products, including quality,
reliability, function...etc., cosmo reserves the right to change the specification, characteristics, data,
materials, and structure of products without notice. Please contact with cosmo to obtain the latest
specification.
It would be required to comply with the absolute maximum ratings listed in the specification. cosmo
has no liability and responsibility to the damage caused by improper use of the products.
cosmo products are intended to be designed for use in general electronics application list below:
a. Personal computer
b. OA machine
c. Audio / Video
d. Instrumentation
e. Electrical application
f. Measurement equipment
g. Consumer electronics
h. Telecommunication
cosmo devices shall not be used or related with equipment requiring higher level of quality / reliability,
or malfunction, or failure which may cause loss of human life, bodily injury, includes, without limitation:
a. Medical and other life supporting equipments
b. Space application
c. Telecommunication equipment (trunk lines)
d. Nuclear power control
e. Equipment used for automotive vehicles, trains, ships...etc.
This publication is the property of cosmo. No part of this publication may be reproduced or copied in any
form or any means electronically or mechanically for any purpose, in whole or in part without any written
permission expressed from cosmo.
Cosmo Electronics Corp.
Document No. 69P10001.2
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