Insulation and Safety Related Specifications
Parameter
Minimum External Air
Gap (External Clearance)
Minimum External Tracking
(External Creepage)
Minimum Internal Plastic
Gap (Internal Clearance)
Symbol
L (101)
L (102)
8-Pin DIP
(300 Mil)
Value
7.1
7.4
0.08
SO-8
Value
4.9
4.8
0.08
Units
mm
mm
mm
Conditions
Measured from input terminals to output
terminals, shortest distance through air.
Measured from input terminals to output
terminals, shortest distance path along body.
Through insulation distance, conductor to
conductor, usually the direct distance
between the photoemitter and photodetector
inside the optocoupler cavity.
DIN IEC 112/VDE 0303 Part 1.
Tracking Resistance
(Comparative Tracking
Index)
Isolation Group
CTI
200
200
Volts
IIIa
IIIa
Material Group (DIN VDE 0110, 1/89, Table 1).
IEC/EN/DIN EN 60747-5-2 Insulation Related Characteristics
Description
Installation classification per DIN VDE 0110/1.89, Table 1
for rated mains voltage ≤ 150 V rms
for rated mains voltage ≤ 300 V rms
for rated mains voltage ≤ 600 V rms
Climatic Classification
Pollution Degree (DIN VDE 0110/1.89)
Maximum Working Insulation Voltage
Input to Output Test Voltage, Method b*
V
PR
= 1.875 x V
IORM
, 100% Production Test with t
P
= 1 sec,
Partial Discharge < 5 pC
Input to Output Test Voltage, Method a*
V
PR
= 1.5 x V
IORM
, Type and Sample Test,
t
P
= 60 sec, Partial Discharge < 5 pC
Highest Allowable Overvoltage*
(Transient Overvoltage, t
ini
= 10 sec)
Safety Limiting Values
(Maximum values allowed in the event of a failure,
also see Figure 11, Thermal Derating curve.)
Case Temperature
Current (Input Current I
F
, P
S
= 0)
Output Power
Insulation Resistance at T
S
, V
IO
= 500 V
V
IORM
V
PR
Symbol
8-pin DIP
(300 mil)
SO-8
I-IV
I-III
I-II
55/100/21
2
566
1063
Units
I-IV
I-III
55/100/21
2
630
1181
V
peak
V
peak
V
PR
V
IOTM
945
6000
849
4000
V
peak
V
peak
T
S
I
S,INPUT
P
S,OUTPUT
R
S
175
400
600
≥ 10
9
150
150
600
≥ 10
9
˚C
mA
mW
Ω
*Refer to the front of the optocoupler section of the current catalog, under Product Safety Regulations section, IEC/EN/DIN EN 60747-5-2, for a detailed description.
Note: Isolation characteristics are guaranteed only within the safety maximum ratings which must be ensured by protective circuits in application.
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