FX357 Series
www.lyg-semi.com
SOP4, DC Input Photo Transistor Coupler
SCHEMATIC
Description
The FX357 series combine an AlGaAs infrared
emitting diode as the emitter which is optically
1
4
2
3
coupled to a silicon planar phototransistor detector
in a plastic SOP4 package.
With the robust coplanar double mold structure,
FX357 series provide the most stable isolation
feature.
Features
⚫
High isolation 3750 VRMS
⚫
CTR flexibility available see order information
⚫
DC input with transistor output
⚫
Operating temperature range - 55 °C to 110 °C
⚫
REACH compliance
⚫
Halogen free
⚫
MSL class 1
⚫
Regulatory Approvals
◼
VDE - EN60747-5-5(VDE0884-5)
◼
CQC - GB4943.1, GB8898
Applications
•
Switch mode power supplies
•
Programmable controllers
•
Household appliances
•
Office equipment
Rev: A06
PIN DEFINITION
1. Anode
2. Cathode
3. Emitter
4. Collector
PACKAGE OUTLINE
FX357 Series
www.lyg-semi.com
SOP4, DC Input Photo Transistor Coupler
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
VALUE
UNIT
NOTE
INPUT
Forward Current
IF
60
mA
Peak Forward Current
IFP
1
A
Reverse Voltage
VR
6
V
Input Power Dissipation
PI
100
mW
Collector - Emitter Voltage
VCEO
35
V
Emitter - Collector Voltage
VECO
7
V
Collector Current
IC
50
mA
Output Power Dissipation
PO
150
mW
Total Power Dissipation
Ptot
200
mW
Isolation Voltage
Viso
3750
Vrms
Operating Temperature
Topr
-55~110
°C
Storage Temperature
Tstg
-55~125
°C
Soldering Temperature
Tsol
260
°C
1
OUTPUT
COMMON
Note 1. 100μs pulse, 100Hz frequency
Note 2. AC For 1 Minute, R.H. = 40 ~ 60%
Rev: A06
2
FX357 Series
www.lyg-semi.com
SOP4, DC Input Photo Transistor Coupler
ELECTRICAL OPTICAL CHARACTERISTICS at Ta=25°C
PARAMETER
SYMBOL MIN
TYP. MAX. UNIT
TEST CONDITION
NOTE
INPUT
Forward Voltage
VF
-
1.24
1.4
V
IF=10mA
Reverse Current
IR
-
-
10
μA
VR=6V
Input Capacitance
Cin
-
10
-
pF
V=0, f=1kHz
OUTPUT
Collector Dark Current
ICEO
-
-
100
nA
VCE=20V, IF=0
Collector-Emitter
Breakdown Voltage
BVCEO
35
-
-
V
IC=0.1mA, IF=0
Emitter-Collector
Breakdown Voltage
BVECO
7
-
-
V
IE=0.1mA, IF=0
TRANSFER CHARACTERISTICS
Current
Transfer
Ratio
FX3570
50
-
600
FX357A
80
-
160
130
-
260
200
-
400
FX357D
300
-
600
FX357E
100
-
200
-
0.06
0.2
V
IF=20mA, IC=1mA
-
Ω
DC500V, 40 ~ 60% R.H.
FX357B
FX357C
CTR
%
IF=5mA, VCE=5V
Collector-Emitter
Saturation Voltage
VCE(sat)
Isolation Resistance
RISO
Floating Capacitance
CIO
-
0.4
1
pF
V=0, f=1MHz
Response Time (Rise)
tr
-
3
18
μs
Response Time (Fall)
tf
-
4
18
μs
VCE=2V, IC=2mA
RL=100Ω
Cut-off Frequency
fc
-
80
-
kHz
Note 3. Fig.12&13
Note 4. Fig.14
Rev: A06
10^12 10^14
VCE=2V, IC=2mA
RL=100Ω,-3dB
3
3
4
FX357 Series
www.lyg-semi.com
SOP4, DC Input Photo Transistor Coupler
CHARACTERISTIC CURVES
Rev: A06
Fig.1 Forward Current
vs. Ambient Temperature
Fig.2 Collector Power Dissipation
vs. Ambient Temperature
Fig.3 Forward Current
vs. Forward Voltage
Fig.4 Collector Dark Current
vs. Ambient Temperature
Fig.5 Collector Current
vs. Collector-emitter Voltage
Fig.6 Collector Current
vs. Collector-emitter Voltage
FX357 Series
www.lyg-semi.com
SOP4, DC Input Photo Transistor Coupler
CHARACTERISTIC CURVES
Fig.7 Normalized Current Transfer Ratio
vs. Forward Current
Fig.8 Normalized Current Transfer Ratio
vs. Ambient Temperature
Fig.9 Collector-emitter Saturation Voltage
vs. Ambient Temperature
Fig.10 Switching Time
vs. Load Resistance
Fig.11 Frequency Response
Rev: A06
FX357 Series
www.lyg-semi.com
SOP4, DC Input Photo Transistor Coupler
TEST CIRCUITS
Fig.12 Test Circuits of Response Time
Fig.13 Curves of Response Time
Fig.14 Test Circuits of Frequency Response
Rev: A06
www.lyg-semi.com
FX357 Series
SOP4, DC Input Photo Transistor Coupler
PACKAGE DIMENSIONS (Dimensions in mm unless otherwise stated)
Recommended Solder Mask (Dimensions in mm unless otherwise stated)
Rev: A06
FX357 Series
www.lyg-semi.com
SOP4, DC Input Photo Transistor Coupler
CARRIER TAPE SPECIFICATIONS (Dimensions in mm unless otherwise stated)
Packing Option 1
Packing Option 2
Rev: A06
FX357 Series
www.lyg-semi.com
SOP4, DC Input Photo Transistor Coupler
REEL SPECIFICATIONS (Dimensions in mm unless otherwise stated)
Reel Dimension
Rev: A06
FX357 Series
www.lyg-semi.com
SOP4, DC Input Photo Transistor Coupler
BOX SPECIFICATIONS (Reel Type)
Inner Box
⚫
L x W x H = 36cm x 36cm x 6.9cm
Outer Box
⚫
L x W x H = 45cm x 38cm x 38cm
Rev: A06
FX357 Series
www.lyg-semi.com
SOP4, DC Input Photo Transistor Coupler
ORDERING AND MARKING INFORMATION
MARKING INFORMATION
FX357R
VYAWW
LYG
FX357
R
V
Y
: Company Abbr.
: Part Number
: CTR Rank
: VDE Option
: Fiscal Year
A
WW
: Manufacturing Code
: Work Week
ORDERING INFORMATION
LABEL INFORMATION
FX357RVBTH-0ZP2GCM
FX357 – Part Number
R – Rank Option(0/A/B/C/D/E)
V – VDE
BTH – Fixed Character
0 – Fixed Character
Z – Packing Option (1/3)
P2 – Fixed Character
G – Material Option
(G: Green Material / None: None Green Material)
C – Color Option(W: White / B: Black)
M – Leadframe Option
(F: Iron Leadframe / None: Copper Leadframe)
PACKING QUANTITY
Option
Quantity
Quantity – Inner box
Quantity – Outer box
1
3000 Units/Reel
3 Reels/Inner box
5 Inner box/Outer box = 45k Units
2
3000 Units/Reel
3 Reels/Inner box
5 Inner box/Outer box = 45k Units
Rev: A06
FX357 Series
www.lyg-semi.com
SOP4, DC Input Photo Transistor Coupler
REFLOW INFORMATION
REFLOW PROFILE
Profile Feature
Sn-Pb Assembly Profile
Pb-Free Assembly Profile
Temperature Min. (Tsmin)
100
150°C
Temperature Max. (Tsmax)
150
200°C
Time (ts) from (Tsmin to Tsmax)
60-120 seconds
60-120 seconds
Ramp-up Rate (tL to tP)
3°C/second max.
3°C/second max.
Liquidous Temperature (TL)
183°C
217°C
Time (tL) Maintained Above (TL)
60 – 150 seconds
60 – 150 seconds
Peak Body Package Temperature
235°C +0°C / -5°C
260°C +0°C / -5°C
Time (tP) within 5°C of 260°C
20 seconds
30 seconds
Ramp-down Rate (TP to TL)
6°C/second max
6°C/second max
Time 25°C to Peak Temperature
6 minutes max.
8 minutes max.
Rev: A06
FX357 Series
www.lyg-semi.com
SOP4, DC Input Photo Transistor Coupler
TEMPERATURE PROFILE OF SOLDERING
WAVE SOLDERING(JESD22-A111 COMPLIANT)
HAND SOLDERING BY SOLDERING IRON
Soldering Temperature
Soldering Time
380+0/-5oC
3 sec max.
⚫ One time soldering is recommended for all soldering method.
⚫ Do not solder more than three times for IR reflow soldering.
Rev: A06
FX357 Series
www.lyg-semi.com
SOP4, DC Input Photo Transistor Coupler
DISCLAIMER
⚫
LYG is continually improving the quality, reliability, function and design. LYG reserves the right to
make changes without further notices.
⚫
The characteristic curves shown in this datasheet are representing typical performance which are
not guaranteed.
⚫
LYG makes no warranty, representation or guarantee regarding the suitability of the products for
any particular purpose or the continuing production of any product. To the maximum extent
permitted by applicable law, LYG disclaims (a) any and all liability arising out of the application or
use of any product, (b) any and all liability, including without limitation special, consequential or
incidental damages, and (c) any and all implied warranties, including warranties of fitness for
particular
⚫
The products shown in this publication are designed for the general use in electronic applications
such as office automation, equipment, communications devices, audio/visual equipment, electrical
application and instrumentation purpose, non-infringement and merchantability.
⚫
This product is not intended to be used for military, aircraft, automotive, medical, life sustaining or
lifesaving applications or any other application which can result in human injury or death.
⚫
Please contact LYG sales agent for special application request.
⚫
Immerge unit’s body in solder paste is not recommended.
⚫
Parameters provided in datasheets may vary in different applications and performance may vary
over time. All operating parameters, including typical parameters, must be validated in each
customer application by the customer’s technical experts. Product specifications do not expand or
otherwise modify LYG’s terms and conditions of purchase, including but not limited to the warranty
expressed therein.
⚫
Discoloration might be occurred on the package surface after soldering, reflow or long-time use. It
neither impacts the performance nor reliability.
Rev: A06