Insulation and Safety Related Specifications
8-Pin DIP
(300 Mil)
Value
7.1
7.4
0.08
SO-8
Value
4.9
4.8
0.08
Parameter
Minimum External Air
Gap (External Clearance)
Minimum External Tracking
(External Creepage)
Minimum Internal Plastic
Gap (Internal Clearance)
Symbol
L (101)
L (102)
Units
mm
mm
mm
Minimum Internal Tracking
(Internal Creepage)
Tracking Resistance
(Comparative Tracking
Index)
Isolation Group
NA
CTI
200
NA
200
mm
Volts
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.
Measured from input terminals to output
terminals, along internal cavity.
DIN IEC 112/VDE 0303 Part 1
IIIa
IIIa
Material Group (DIN VDE 0110, 1/89, Table 1)
VDE 0884 Insulation Related Characteristics
Description
Installation classification per DIN VDE 0110/1.89, Table 1
for rated mains voltage
≤
300 V rms
for rated mains voltage
≤
450 V rms
Climatic Classification
Pollution Degree (DIN VDE 0110/1.89)
Maximum Working Insulation Voltage
Input to Output Test Voltage, Method b*
V
IORM
x 1.875 = V
PR
, 100% Production Test with t
m
= 1 sec,
Partial Discharge < 5 pC
Input to Output Test Voltage, Method a*
V
IORM
x 1.5 = V
PR
, Type and Sample Test,
t
m
= 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 16, Thermal Derating curve.)
Case Temperature
Input Current
Output Power
Insulation Resistance at T
S
, V
IO
= 500 V
Symbol
Characteristic
I-IV
I-III
55/85/21
2
630
1181
Units
V
IORM
V
PR
V
peak
V
peak
V
PR
V
IOTM
945
6000
V
peak
V
peak
T
S
I
S,INPUT
P
S,OUTPUT
R
S
175
230
600
≥
10
9
˚C
mA
mW
Ω
*Refer to the front of the optocoupler section of the current catalog, under Product Safety Regulations section (VDE 0884), 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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