7
IEC/EN/DIN EN 60747-5-2 Insulation Characteristics
Description Symbol Characteristics Unit
Installation classification per DIN VDE 0109*/12.83, Table 1
for rated mains voltage ≤300 V
RMS
I-IV
for rated mains voltage ≤600 V
RMS
I-III
Climatic Classification 40/85/21
Pollution Degree (DIN VDE 0109/12.83)* 2
Maximum Working Insulation Voltage V
IORM
600 V
RMS
848 V
peak
Input to Output Test Voltage, Method b** V
PR
= 1.6 X V
IORM
V
PR
960 V
RMS
Production test with t
P
= 1 sec,
Partial discharge < 5 pC 1357 V
peak
Input to Output Test Voltage, Method a** V
PR
= 1.2 X V
IORM
V
PR
720 V
RMS
Production test with t
P
= 60 sec,
Partial discharge < 5 pC 1018 V
peak
Highest Allowable Overvoltage**
(Transient Overvoltage, t
TR
= 10 sec) V
TR
6000 V
peak
Safety-limiting values (Maximum values allowed in the event
of a failure, also see Figure 16)
Case Temperature T
SI
175 °C
Input Power P
SI,Input
80 mW
Output Power P
SI,Output
250 mW
Insulation Resistance at T
SI
, V
IO
= 500 V R
IS
≥10
11
Ω
* This part may also be used in Pollution Degree 3 environments where the rated mains voltage is ≤ 300 V
RMS
(per DIN VDE 0190/12.83).
** Refer to the front of the optocoupler section of the current Optoelectronics Designers Catalog for a more detailed description of IEC/EN/DIN EN
60747-5-2 and other product safety regulations.
Insulation Related Specifications
Parameter Symbol Value Units Conditions
Minimum External Clearance L (IO1) 7.0 mm Measured from input terminals
(External Air Gap) to output terminals
Minimum External Creepage L (IO2) 8.0 mm Measured from input terminals
(External Tracking) to output terminals
Minimum Internal Clearance 0.5 mm Through insulation distance
(Internal Plastic Gap) from conductor to conductor
Comparative Tracking Index CTI 175 V DIN IEC 112/VDE 303 P1
Isolation Group (per DIN VDE 0109) IIIa Material Group
