Si8220/21
10 Rev. 1.2
Table 4. IEC 60664-1 (VDE 0844 Part 2) Ratings
Parameter Test Conditions
Specification
NB SOIC8 WB SOIC 16
Basic Isolation Group Material Group I I
Installation Classification
Rated Mains Voltages <
150 V
RMS
I-IV I-IV
Rated Mains Voltages <
300 V
RMS
I-III I-IV
Rated Mains Voltages <
400 V
RMS
I-II I-III
Rated Mains Voltages <
600 V
RMS
I-II I-III
Table 5. IEC 60747-5-2 Insulation Characteristics for Si822xxC*
Parameter Symbol Test Condition
Characteristic
Unit
WB
SOIC-16
NB SOIC-8
Maximum Working Insulation
Voltage
V
IORM
891 560 V peak
Input to Output Test Voltage
V
PR
Method b1
(V
IORM
x1.875=V
PR
, 100%
Production Test, t
m
= 1 sec,
Partial Discharge < 5 pC)
1671 1050
V peak
Highest Allowable Overvoltage
(Transient Overvoltage,
t
TR
=60sec)
V
TR
6000 4000 V peak
Pollution Degree
(DIN VDE 0110, Table 1)
22
Insulation Resistance at T
S
,
V
IO
=500V
R
S
>10
9
>10
9
*Note: This isolator is suitable for basic electrical isolation only within the safety limit data. Maintenance of the safety data is
ensured by protective circuits. The Si822x provides a climate classification of 40/125/21.