![](/2022/pdf/653/627/bg7.jpg)
7
Insulation Related Specications (HCPL-2731/2730/0731/0730)
8-Pin DIP
(300 Mil) SO-8
Parameter Symbol Value Value Units Conditions
Minimum External Air L(101) 7.1 4.9 mm Measured from input terminals to output
Gap (External Clearance) terminals, shortest distance through air.
Minimum External L(102) 7.4 4.8 mm Measured from input terminals to
Tracking (External output terminals, shortest distance
Creepage) path along body.
Minimum Internal Plastic 0.08 0.08 mm Through insulation distance, conductor
Gap (Internal Clearance) to conductor, usually the direct distance
between the photoemitter and photode
tector inside the optocoupler cavity.
Tracking Resistance CTI 200 200 Volts DIN IEC 112/ VDE 0303 Part 1
(Comparative Tracking
Index)
Isolation Group IIIa IIIa Material Group DIN VDE 0110
Option 300 – surface mount classication is Class A in accordance with CECC 00802.
IEC/EN/DIN EN 60747-5-2 Insulation Related Characteristics
Description Symbol Characteristic Units
Installation Classication per DIN VDE 0110/1.89, Table 1
for rated mains voltage ≤600 V rms
for rated mains voltage ≤1000 V rms
I-IV
I-III
Climatic Classication 55/100/21
Pollution Degree (DIN VDE 0110/1.89) 2
Maximum Working Insulation Voltage VIORM 1414 V
peak
Input to Output Test Voltage, Method b*
V
PR
= 1.875 x V
IORM
, 100% Production Test with t
P
= 1 sec,
Partial Discharge < 5 pC
VPR 2652 V
peak
Input to Output Test Voltage, Method a*
V
PR
= 1.5 x V
IORM
, Type and Sample Test,
t
P
= 60 sec, Partial Discharge < 5 pC
VPR 2121 V
peak
Highest Allowable Overvoltage*
(Transient Overvoltage, t
ini
= 10 sec)
VIOTM 8000 V
peak
Safety Limiting Values
(Maximum values allowed in the event of a failure, also see
Figure 11, Thermal Derating curve.)
Case Temperature
Current (Input Current I
F
, P
S
= 0)
Output Power
T
S
I
S,INPUT
P
S,OUTPUT
175
400
700
°C
mA
mW
Insulation Resistance at T
S
, V
IO
= 500 V R
S
> 10
9
Ω
*Refer to the front of the optocoupler section of the current catalog, under Product Safety Regulations section, IEC/EN/DIN EN 60747-5-2, for a
detailed description.
Note: Isolation characteristics are guaranteed only within the safety maximum ratings which must be ensured by protective circuits in application.