SFH618A, SFH6186
www.vishay.com
Vishay Semiconductors
Rev. 2.6, 31-Aug-15
4
Document Number: 83673
For technical questions, contact: optocoupleranswers@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Fig. 2 - Test Circuit Fig. 3 - Test Circuit and Waveforms
Note
• As per DIN EN 60747-5-5, § 7.4.3.8.2, this optocoupler is suitable for “safe electrical insulation” only within the safety ratings. Compliance
with the safety ratings shall be ensured by means of protective circuits.
TYPICAL CHARACTERISTICS (T
amb
= 25 °C, unless otherwise specified)
Fig. 4 - Current Transfer Ratio (typ.) Fig. 5 - Current Transfer Ratio (typ.)
isfh618a_10
Input
V
OUT
V
CC
= 5 V
R
L
isfh618a_12
10 %
90 %
Input pulse
Output pulse
t
r
t
on
t
f
t
off
SAFETY AND INSULATION RATINGS
PARAMETER TEST CONDITION SYMBOL VALUE UNIT
Climatic classification According to IEC 68 part 1 55/115/21
Pollution degree According to DIN VDE 0109 2
Comparative tracking index Insulation group IIIa CTI 175
Maximum rated withstanding isolation voltage According to UL1577, t = 1 min V
ISO
4470 V
RMS
Tested withstanding isolation voltage According to UL1577, t = 1 s V
ISO
5300 V
RMS
Maximum transient isolation voltage According to DIN EN 60747-5-5 V
IOTM
8000 V
peak
Maximum repetitive peak isolation voltage According to DIN EN 60747-5-5 V
IORM
890 V
peak
Isolation resistance
T
amb
= 25 °C, V
IO
= 500 V R
IO
≥ 10
12
Ω
T
amb
= 100 °C, V
IO
= 500 V R
IO
≥ 10
11
Ω
Output safety power P
SO
700 mW
Input safety current I
SI
400 mA
Input safety temperature T
S
175 °C
Creepage distance DIP-4 ≥ 7mm
Clearance distance DIP-4 ≥ 7mm
Creepage distance DIP-4, 400 mil, option 6 ≥ 8mm
Clearance distance DIP-4, 400 mil, option 6 ≥ 8mm
Creepage distance SMD-4, option 7 and option 9 ≥ 7mm
Clearance distance SMD-4, option 7 and option 9 ≥ 7mm
Insulation thickness DTI ≥ 0.4 mm
240
280
200
160
- 40 - 20 0 20 40 60 80
100
isfh618a_01
T
A
(°C)
120
80
40
0
CTR (%)
I
F
= 5mA
I
F
= 1mA
I
F
= 2mA
I
F
= 0.5mA
V
CE
= 0.5 V, C
TR
= f (T
A
)
240
280
200
160
- 40 - 20 0 20 40 60 80
100
isfh618a_02
T
A
(°C)
120
80
40
0
CTR (%)
I
F
= 5mA
I
F
= 1mA
I
F
= 2mA
I
F
= 0.5mA
