Insulation and Safety Related Specifications
8-Pin DIP
(300 Mil) SO-8
Symbol
Value
Value Units
L(101)
7.1
4.9
mm
Parameter
Minimum External Air
Gap (External
Clearance)
Minimum External
Tracking (External
Creepage)
Minimum Internal Plastic
Gap (Internal Clearance)
L(102)
7.4
4.8
mm
0.08
0.08
mm
Tracking Resistance
(Comparative Tracking
Index)
Isolation Group
CTI
200
200
Volts
Conditions
Measured from input terminals to
output terminals, shortest distance
through air.
Measured from input terminals to
output terminals, shortest distance
path along body.
Through insulation distance, conductor
to conductor, usually the direct
distance between the photoemitter and
photodetector inside the optocoupler
cavity.
DIN IEC 112/ VDE 0303 Part 1
IIIa
IIIa
Material Group (DIN VDE 0110, 1/89,
Table 1)
Option 300 – surface mount classification is Class A in accordance with CECC 00802.
VDE 0884 Insulation Related Characteristics
(HCPL-261A/261N Option 060 ONLY)
Description
Installation classification per DIN VDE 0110/1.89, Table 1
for rated mains voltage
≤
300 V rms
for rated mains voltage
≤
450 V rms
Climatic Classification
Pollution Degree (DIN VDE 0110/1.89)
Maximum Working Insulation Voltage
Input to Output Test Voltage, Method b*
V
IORM
x 1.875 = V
PR
, 100% Production Test with t
m
= 1 sec,
Partial Discharge < 5 pC
Input to Output Test Voltage, Method a*
V
IORM
x 1.5 = V
PR
, Type and sample test, t
m
= 60 sec,
Partial Discharge < 5 pC
Highest Allowable Overvoltage*
(Transient Overvoltage, t
ini
= 10 sec)
Safety Limiting Values
(Maximum values allowed in the event of a failure,
also see Figure 18, Thermal Derating curve.)
Case Temperature
Input Current
Output Power
Insulation Resistance at T
S
, V
IO
= 500 V
Symbol
Characteristic
I-IV
I-III
55/85/21
2
630
1181
Units
V
IORM
V
PR
V
peak
V
peak
V
PR
945
V
peak
V
IOTM
6000
V
peak
T
S
I
S,INPUT
P
S,OUTPUT
R
S
175
230
600
≥
10
9
°C
mA
mW
Ω
*Refer to the front of the optocoupler section of the current catalog, under Product Safety Regulations section (VDE 0884), for a
detailed description.
Note: Isolation characteristics are guaranteed only within the safety maximum ratings which must be ensured by protective circuits in
application.
1-170
AGILENT [ AGILENT TECHNOLOGIES, LTD. ]
