Table 3. Insulation and Safety Related Specifications
Parameter
Symbol
Value
Units
Conditions
Minimum External Air Gap
(External Clearance)
L(±0±)
8.0
mm
Measured from input terminals to output terminals, shortest
distance through air
Minimum External Tracking
(External Creepage)
L(±02)
CTI
8.0
0.ꢁ
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)
>±7ꢁ
IIIa
V
DIN IEC ±±2/VDE 0ꢀ0ꢀ Part ±
Isolation Group
Material Group (DIN VDE 0±±0, ±/89, Table ±)
[1]
Table 4. IEC/EN/DIN EN 60747-5-5 Insulation Characteristics
Description
Symbol
Value
Units
Installation classification per DIN VDE 0±±0/±.89, Table ±
for rated mains voltage ≤ ±ꢁ0 Vrms
I-IV
I-IV
I-IV
I-IV
I-III
for rated mains voltage ≤ ꢀ00 Vrms
for rated mains voltage ≤ 4ꢁ0 V rms
for rated mains voltage ≤ 600 Vrms
for rated mains voltage ≤ ±000 Vrms
Climatic Classification
ꢁꢁ/±0ꢁ/2±
2
Pollution Degree (DIN VDE 0±±0/±.89)
Maximum Working Insulation Voltage
VIORM
VPR
±4±4
26ꢁ2
Vpeak
Vpeak
Input to Output Test Voltage, Method b
VIORM x ±.87ꢁ = VPR, ±001 Production Test with tm = ± sec,
Partial Discharge < ꢁ pC
Input to Output Test Voltage, Method a
VIORM x ±.6 = VPR, Type and Sample Test, tm = ±0 sec,
Partial Discharge < ꢁ pC
VPR
2262
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
±7ꢁ
2ꢀ0
600
°C
mA
mW
Input Current [2]
IS,INPUT
PS,OUTPUT
Output Power [2]
Insulation Resistance at TS, VIO = ꢁ00 V
Notes:
RS
≥ ±09
Ω
±. 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 2ꢁ°C free-air temperature at
S,INPUT
a rate of 2.ꢁꢀ mA/°C; the Output Power, P
, derates linearly above 2ꢁ°C free-air temperature at a rate of 4 mW/°C.
S,OUTPUT
4
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