[1]
Table 3. IEC/EN/DIN EN 60747-5-5 Insulation Characteristics
Description
Symbol
Value
Units
Installation classification per DIN VDE 0110/1.89, Table 1
for rated mains voltage ≤ 150 Vrms
I-IV
I-IV
I-IV
I-IV
for rated mains voltage ≤ 300 Vrms
for rated mains voltage ≤ 450 V rms
for rated mains voltage ≤ 600 Vrms
Climatic Classification
55/105/21
Pollution Degree (DIN VDE 0110/1.89)
Maximum Working Insulation Voltage
2
VIORM
VPR
891
1671
Vpeak
Vpeak
Input to Output Test Voltage, Method b
VIORM x 1.875 = VPR, 100% Production Test with tm = 1 sec,
Partial Discharge < 5 pC
Input to Output Test Voltage, Method a
VIORM x 1.6 = VPR, Type and Sample Test, tm = 10 sec,
Partial Discharge < 5 pC
VPR
1426
8000
Vpeak
Vpeak
Highest Allowable Overvoltage (Transient Overvoltage, tini = 60 sec)
VIOTM
Safety-limiting values
(Maximum values allowed in the event of a failure)
Case Temperature
TS
175
400
600
°C
mA
mW
Input Current [2]
IS,INPUT
PS,OUTPUT
Output Power [2]
Insulation Resistance at TS, VIO = 500 V
Notes:
RS
≥ 109
Ω
1. Insulation characteristics are guaranteed only within the safety maximum ratings, which must be ensured by protective circuits within the
application.
2. Safety-limiting parameters are dependent on ambient temperature. The Input Current, I
, derates linearly above 25° C free-air temperature at
S,INPUT
a rate of 2.67 mA/°C; the Output Power, P
, derates linearly above 25° C free-air temperature at a rate of 4 mW/°C.
S,OUTPUT
Table 4. Insulation and Safety Related Specifications
Parameter
Symbol
Value
Units
Conditions
Minimum External Air Gap
(External Clearance)
L(101)
7.4
mm
Measured from input terminals to output terminals, shortest
distance through air
Minimum External Tracking
(External Creepage)
L(102)
CTI
8.0
0.5
mm
mm
Measured from input terminals to output terminals, shortest
distance path along body
Minimum Internal Plastic Gap
(Internal Clearance)
Through insulation distance, conductor to conductor,
usually the direct distance between the photoemitter and
photodetector inside the optocoupler cavity
Tracking Resistance
(Comparative Tracking Index)
>175
IIIa
V
DIN IEC 112/VDE 0303 Part 1
Isolation Group
Material Group (DIN VDE 0110, 1/89, Table 1)
5