LifecyclePhase:
Revision : 3
Expired Period: Forever
Release Date:2011-09-20 12:04:08.0
4 PIN ULTRA SMALL SSOP
PHOTOTRANSISTOR PHOTOCOUPLER
Everlight Electronics Co., Ltd. 1 http://www.everlight.com
Document No：DPC-0000031 Rev.3 Septemper14, 2011
EL3H7-G Series
Features:
•Halogens free
•Current transfer ratio
(CTR: 50~600% at IF =5mA, VCE =5V)
(CTR: 40~320% at IF =10mA, VCE =5V)
• High isolation voltage between input
and output (Viso=3750 V rms )
• Compact 4 Pin SSOP with a 2.0 mm profile
•Pb free and RoHS compliant.
• UL approved (No. 214129)
• VDE approval (132249)
• SEMKO approved
• NEMKO approved
• DEMKO approved
• FIMKO approved
• CSA approved
Description
The EL3H7-G series devices consist of an infrared emitting
diode, optically coupled to a phototransistor detector encapsulated
with green compound.
They are packaged in a 4-pin small outline SMD package.
Applications
•DC-DC Converters
• Programmable controllers
• Telecommunication equipments
• Signal transmission between circuits of different potentials and impedances
Pin Configuration
1. Anode
2. Cathode
3. Emitter
4. Collector
Schematic
LifecyclePhase:
Revision : 3
Expired Period: Forever
Release Date:2011-09-20 12:04:08.0
4 PIN ULTRA SMALL SSOP
PHOTOTRANSISTOR PHOTOCOUPLER
Everlight Electronics Co., Ltd. 2 http://www.everlight.com
Document No：DPC-0000031 Rev.3 Septemper14, 2011
EL3H7-G Series
Absolute Maximum Ratings (Ta=25°C)
Parameter Symbol Rating Unit
Forward current IF50 mA
Peak forward current (1us, pulse) IFP 1 A
Reverse voltage VR6 V
70 mW
Input
Power dissipation
Derating factor (above Ta = 90°C) PD2.0 mW/°C
150 mW
Power dissipation
Derating factor (above Ta = 70°C) PC3.1 mW/°C
Collector current IC50 mA
Collector-Emitter voltage VCEO 80 V
Output
Emitter-Collector voltage VECO 7 V
Total power dissipation PTOT 200 mW
Isolation voltage *1 VISO 3750 V rms
Operating temperature TOPR -55 ~ +110 °C
Storage temperature TSTG -55 ~ +125 °C
Soldering temperature *2 TSOL 260 °C
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.
LifecyclePhase:
Revision : 3
Expired Period: Forever
Release Date:2011-09-20 12:04:08.0
4 PIN ULTRA SMALL SSOP
PHOTOTRANSISTOR PHOTOCOUPLER
Everlight Electronics Co., Ltd. 3 http://www.everlight.com
Document No：DPC-0000031 Rev.3 Septemper14, 2011
EL3H7-G Series
Electrical Characteristics (Ta=25°C unless specified otherwise)
Input Parameter Symbol Min. Typ.* Max. Unit Condition
Forward voltage VF- 1.2 1.4 V IF= 20mA
Reverse current IR- - 10 µA VR= 4V
Input capacitance Cin - 30 250 pF V = 0, f = 1kHz
Output Parameter Symbol Min. Typ.* Max. Unit Condition
Collector-Emitter dark
current ICEO - - 100 nA VCE = 20V, IF= 0mA
Collector-Emitter
breakdown voltage BVCEO 80 - - VIC= 0.1mA
Emitter-Collector
breakdown voltage BVECO 7 - - V IE= 0.1mA
Transfer Characteristics (Ta=25°C unless specified otherwise)
Parameter Symbol Min. Typ.* Max. Unit Condition
EL3H7 50 - 600
EL3H7A 80 - 160
EL3H7B 130 - 260
EL3H7C 200 - 400
EL3H7D 300 - 600
EL3H7E 100 - 200
EL3H7F 150 - 300
IF= 5mA ,VCE = 5V
EL3H7H 40 - 80
EL3H7I 63 - 125
EL3H7J 100 - 200
Current Transfer
ratio
EL3H7K
CTR
160 - 320
%
IF= 10mA ,VCE = 5V
LifecyclePhase:
Revision : 3
Expired Period: Forever
Release Date:2011-09-20 12:04:08.0
4 PIN ULTRA SMALL SSOP
PHOTOTRANSISTOR PHOTOCOUPLER
Everlight Electronics Co., Ltd. 4 http://www.everlight.com
Document No：DPC-0000031 Rev.3 Septemper14, 2011
EL3H7-G Series
Transfer Characteristics (Ta=25°C unless specified otherwise)
Parameter Symbol Min. Typ.* Max. Unit Condition
Collector-Emitter
saturation voltage VCE(sat) - 0.1 0.2 VIF = 10mA ,IC= 1mA
Isolation resistance RIO 5×1010 - - VIO = 500Vdc,
40~60% R.H.
Floating capacitance CIO - 0.3 1.0 pF VIO = 0, f = 1MHz
Rise time tr- 5 18 µs
Fall time tf- 3 18 µs
VCE = 2V, IC= 2mA,
RL= 100
* Typical values at Ta = 25°C
LifecyclePhase:
Revision : 3
Expired Period: Forever
Release Date:2011-09-20 12:04:08.0
4 PIN ULTRA SMALL SSOP
PHOTOTRANSISTOR PHOTOCOUPLER
Everlight Electronics Co., Ltd. 5 http://www.everlight.com
Document No：DPC-0000031 Rev.3 Septemper14, 2011
EL3H7-G Series
Typical Performance Curves
LifecyclePhase:
Revision : 3
Expired Period: Forever
Release Date:2011-09-20 12:04:08.0
4 PIN ULTRA SMALL SSOP
PHOTOTRANSISTOR PHOTOCOUPLER
Everlight Electronics Co., Ltd. 6 http://www.everlight.com
Document No：DPC-0000031 Rev.3 Septemper14, 2011
EL3H7-G Series
Figure 11. Switching Time Test Circuit & Waveforms
I
F
I
C
R
L
R
IN
V
CC
Output
Input
Input
Pulse
Output
Pulse
10%
90%
t
t
r
t
off
t
on
LifecyclePhase:
Revision : 3
Expired Period: Forever
Release Date:2011-09-20 12:04:08.0
4 PIN ULTRA SMALL SSOP
PHOTOTRANSISTOR PHOTOCOUPLER
Everlight Electronics Co., Ltd. 7 http://www.everlight.com
Document No：DPC-0000031 Rev.3 Septemper14, 2011
EL3H7-G Series
Order Information
Part Number
EL3H7(X)(Y)-VG
Note
3H7 = Part No.
X = CTR Rank (A, B, C, D, E, F, H, I, J, K or none)
Y = Tape and reel option (TA, TB, EA, EB or none).
V = VDE (optional)
G = Halogens 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 5000 units per reel
(TB) TB Tape & reel option 5000 units per reel
(TA)-V TA Tape & reel option + VDE 5000 units per reel
(TB)-V TB Tape & reel option + VDE 5000 units per reel
(EA) TA Tape & reel option 1000 units per reel
(EB) TB Tape & reel option 1000 units per reel
(EA)-V TA Tape & reel option + VDE 1000 units per reel
(EB)-V TB Tape & reel option + VDE 1000 units per reel
LifecyclePhase:
Revision : 3
Expired Period: Forever
Release Date:2011-09-20 12:04:08.0
4 PIN ULTRA SMALL SSOP
PHOTOTRANSISTOR PHOTOCOUPLER
Everlight Electronics Co., Ltd. 8 http://www.everlight.com
Document No：DPC-0000031 Rev.3 Septemper14, 2011
EL3H7-G Series
Package Drawing
(Dimensions in mm)
Recommended pad layout for surface mount leadform
LifecyclePhase:
Revision : 3
Expired Period: Forever
Release Date:2011-09-20 12:04:08.0
4 PIN ULTRA SMALL SSOP
PHOTOTRANSISTOR PHOTOCOUPLER
Everlight Electronics Co., Ltd. 9 http://www.everlight.com
Document No：DPC-0000031 Rev.3 Septemper14, 2011
EL3H7-G Series
Device Marking
Notes
EL denotes Everlight
3H7 denotes Device Number
R denotes CTR Rank (A, B, C, D, E ,F,H, I, J, K or none)
Y denotes 1 digit Year code
WW denotes 2 digit Week code
V denotes VDE (optional)
RYWWV
EL
3
H
7
LifecyclePhase:
Revision : 3
Expired Period: Forever
Release Date:2011-09-20 12:04:08.0
4 PIN ULTRA SMALL SSOP
PHOTOTRANSISTOR PHOTOCOUPLER
Everlight Electronics Co., Ltd. 10 http://www.everlight.com
Document No：DPC-0000031 Rev.3 Septemper14, 2011
EL3H7-G Series
Tape & Reel Packing Specifications
Tape dimensions
Dimension No. A B Do D1 E F
Dimension (mm) 3.0 ± 0.1 7.3 ± 0.1 1.5 + 0.1/-0 1.5 ± 0.1 1.7 5± 0.1 5.5 ± 0.1
Dimension No. Po P1 P2 t W K
Dimension (mm) 4.0 ± 0.15 4.0 ± 0.1 2.0 ± 0.1 0.25 ± 0.03 12.0 ± 0.2 2.4 ± 0.1
Direction of feed from reel Direction of feed from reel
Option TA Option TB
LifecyclePhase:
Revision : 3
Expired Period: Forever
Release Date:2011-09-20 12:04:08.0
4 PIN ULTRA SMALL SSOP
PHOTOTRANSISTOR PHOTOCOUPLER
Everlight Electronics Co., Ltd. 11 http://www.everlight.com
Document No：DPC-0000031 Rev.3 Septemper14, 2011
EL3H7-G Series
Solder Reflow Temperature Profile
TIME (S)
150C
1-3 C/Sec Max
70 – 170 Sec
200
C
217
C
>255 C (30s Max)
1-3 C/Sec Max 60 – 140 Sec
260 C (peak)
LifecyclePhase:
Revision : 3
Expired Period: Forever
Release Date:2011-09-20 12:04:08.0
4 PIN ULTRA SMALL SSOP
PHOTOTRANSISTOR PHOTOCOUPLER
Everlight Electronics Co., Ltd. 12 http://www.everlight.com
Document No：DPC-0000031 Rev.3 Septemper14, 2011
EL3H7-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.