4 PIN ULTRA SMALL SOP
PHOTOTRANSISTOR PHOTOCOUPLER
EL357N-G Series
Features:
• Halogens free
• Current transfer ratio
(CTR: 50~600% at I F =5mA, V CE =5V)
• High isolation voltage between input
and output (Viso=3750 V rms )
• Compact 4 Pin SOP with a 2.0 mm profile
• Pb free and RoHS compliant.
• UL approved (No. E214129)
• VDE approved (No. 132249)
• SEMKO approved
• NEMKO approved
• DEMKO approved
• FIMKO approved
• CSA approved (No. 1408633)
Schematic
Description
The EL357N-G series contains an infrared emitting diode,
optically coupled to a phototransistor detector.
The devices in a 4-pin small outline SMD package.
Pin Configuration
1. Anode
2. Cathode
3. Emitter
4. Collector
Applications
• DC-DC Converters
• Programmable controllers
• Telecommunication equipments
• Signal transmission between circuits of different potentials and impedances
Everlight Electronics Co., Ltd.
Document No:DPC-0000014
1
Rev. 4
http://www.everlight.com
December 28, 2009
4 PIN ULTRA SMALL SOP
PHOTOTRANSISTOR PHOTOCOUPLER
EL357N-G Series
Absolute Maximum Ratings (T a =25°C)
Parameter
Symbol
Rating
Unit
Forward current
IF
50
mA
Peak forward current (1us, pulse)
I FP
1
A
Reverse voltage
VR
6
V
70
mW
2.9
mW/°C
150
mW
3.7
mW/°C
IC
50
mA
Collector-Emitter voltage
V CEO
80
V
Emitter-Collector voltage
V ECO
7
V
Total power dissipation
P TOT
200
mW
Isolation voltage *1
V ISO
3750
V rms
Operating temperature
T OPR
-55 ~ +110
°C
Storage temperature
T STG
-55 ~ +125
°C
Soldering temperature *2
T SOL
260
°C
Input
Power dissipation
PD
Derating factor (about Ta=100°C)
Power dissipation
PC
Derating factor (about Ta=80°C)
Output
Collector current
Notes
*1 AC for 1 minute, R.H.= 40 ~ 60% R.H. In this test, pins 1 & 2 are shorted together, and pins 3 & 4
are shorted together.
*2 For 10 seconds.
Everlight Electronics Co., Ltd.
Document No:DPC-0000014
2
Rev. 4
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December 28, 2009
EL357N-G Series
4 PIN ULTRA SMALL SOP
PHOTOTRANSISTOR PHOTOCOUPLER
Electrical Characteristics (T a =25°C unless specified otherwise)
Input
Parameter
Symbol
Min.
Typ.*
Max.
Unit
Condition
Forward voltage
VF
-
1.2
1.4
V
I F = 20mA
Reverse current
IR
-
-
10
µA
V R = 4V
Input capacitance
C in
-
30
250
pF
V = 0, f = 1kHz
Symbol
Min.
Typ.*
Max.
Unit
I CEO
-
-
100
nA
V CE = 20V, I F = 0mA
Collector-Emitter
breakdown voltage
BV CEO
80
-
-
V
I C = 0.1mA
Emitter-Collector
breakdown voltage
BV ECO
7
-
-
V
I E = 0.01mA
Output
Parameter
Collector-Emitter dark
current
Condition
Transfer Characteristics (T a =25°C unless specified otherwise)
Parameter
Min.
Typ.*
Max.
EL357N
50
-
600
EL357NA
80
-
160
EL357NB
130
-
260
200
-
400
EL357ND
300
-
600
EL357NE
100
-
200
EL357NF
150
-
300
V CE(sat)
-
0.1
Isolation resistance
R IO
5×1010
Floating capacitance
C IO
Cut-off frequency
Current
Transfer ratio
Symbol
CTR
Unit
Condition
%
I F = 5mA ,V CE = 5V
0.2
V
I F = 20mA ,I C = 1mA
-
-
Ω
V IO = 500Vdc,
40~60% R.H.
-
0.6
1.0
pF
V IO = 0, f = 1MHz
fc
-
80
-
kHz
V CE = 5V, I C = 2mA
R L = 100Ω, -3dB
Rise time
tr
-
3
18
µs
Fall time
tf
-
4
18
µs
EL357NC
Collector-Emitter
saturation voltage
V CE = 2V, I C = 2mA,
R L = 100Ω
* Typical values at T a = 25°C
Everlight Electronics Co., Ltd.
Document No:DPC-0000014
3
Rev. 4
http://www.everlight.com
December 28, 2009
4 PIN ULTRA SMALL SOP
PHOTOTRANSISTOR PHOTOCOUPLER
EL357N-G Series
Typical Performance Curves
Everlight Electronics Co., Ltd.
Document No:DPC-0000014
4
Rev. 4
http://www.everlight.com
December 28, 2009
4 PIN ULTRA SMALL SOP
PHOTOTRANSISTOR PHOTOCOUPLER
EL357N-G Series
VCC
IF
IC
Input
Pulse
RL
Output
Input
Output
Pulse
RIN
tr
ton
10%
90%
tf
toff
Figure 10. Switching Time Test Circuit & Waveforms
Everlight Electronics Co., Ltd.
Document No:DPC-0000014
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Rev. 4
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December 28, 2009
4 PIN ULTRA SMALL SOP
PHOTOTRANSISTOR PHOTOCOUPLER
EL357N-G Series
Order Information
Part Number
EL357NX(Y)-VG
Note
357N
X
Y
V
G
= Part No.
= CTR Rank (A, B, C, D, E, For none)
= Tape and reel option (TA, TB or none).
= VDE (optional)
= Halogen free
Option
Description
Packing quantity
None
Standard SMD option
100 units per tube
-V
Standard SMD option + VDE
100 units per tube
(TA)
TA Tape & reel option
3000 units per reel
(TB)
TB Tape & reel option
3000 units per reel
(TA)-V
TA Tape & reel option + VDE
3000 units per reel
(TB)-V
TB Tape & reel option + VDE
3000 units per reel
Everlight Electronics Co., Ltd.
Document No:DPC-0000014
6
Rev. 4
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December 28, 2009
4 PIN ULTRA SMALL SOP
PHOTOTRANSISTOR PHOTOCOUPLER
EL357N-G Series
Package Drawing
(Dimensions in mm)
Recommended pad layout for surface mount leadform
Everlight Electronics Co., Ltd.
Document No:DPC-0000014
7
Rev. 4
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December 28, 2009
4 PIN ULTRA SMALL SOP
PHOTOTRANSISTOR PHOTOCOUPLER
EL357N-G Series
Device Marking
EL
357N
RYWWV
Notes
EL
357N
R
Y
WW
V
denotes Everlight
denotes Device Number
denotes CTR Rank (A, B, C, D, E, F or none)
denotes 1 digit Year code
denotes 2 digit Week code
denotes VDE (optional)
Everlight Electronics Co., Ltd.
Document No:DPC-0000014
8
Rev. 4
http://www.everlight.com
December 28, 2009
EL357N-G Series
4 PIN ULTRA SMALL SOP
PHOTOTRANSISTOR PHOTOCOUPLER
Tape & Reel Packing Specifications
Option TA
Option TB
Direction of feed from reel
Direction of feed from reel
Tape dimensions
Dimension No.
Dimension (mm)
A
B
Do
D1
E
F
4.4 ± 0.1
7.4 ± 0.1
1.5 + 0.1/-0
1.5 ± 0.1
1.7 5± 0.1
7.5 ± 0.1
Po
P1
P2
t
W
K
4.0 ± 0.15
8.0 ± 0.1
2.0 ± 0.1
0.25 ± 0.03
16.0 ± 0.2
2.4 ± 0.1
Dimension No.
Dimension (mm)
Everlight Electronics Co., Ltd.
Document No:DPC-0000014
9
Rev. 4
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December 28, 2009
4 PIN ULTRA SMALL SOP
PHOTOTRANSISTOR PHOTOCOUPLER
EL357N-G Series
Solder Reflow Temperature Profile
260 °C (peak)
>255 °C (30s Max)
217°C
1-3 °C/Sec Max
200°C
60 – 140 Sec
150°C
70 – 170 Sec
1-3 °C/Sec Max
TIME (S)
Everlight Electronics Co., Ltd.
Document No:DPC-0000014
10
Rev. 4
http://www.everlight.com
December 28, 2009
4 PIN ULTRA SMALL SOP
PHOTOTRANSISTOR PHOTOCOUPLER
EL357N-G Series
DISCLAIMER
1. The specifications in this datasheet may be changed without notice.
EVERLIGHT reserves the authority
on material change for above specification.
2. When using this product, please observe the absolute maximum ratings and the instructions for use as
outlined in this datasheet. EVERLIGHT assumes no responsibility for any damage resulting from use of
the product which does not comply with the absolute maximum ratings and the instructions included in this
datasheet.
3. These specification sheets include materials protected under copyright of EVERLIGHT.
Reproduction in
any form is prohibited without the specific consent of EVERLIGHT.
Everlight Electronics Co., Ltd.
Document No:DPC-0000014
11
Rev. 4
http://www.everlight.com
December 28, 2009