Broadcom

- 4 -

ACNT-H79A, ACNT-H790

Data Sheet

Table 3. Insulation and Safety Related Specifications

Table 3. Insulation and Safety Related Specifications

Table 4. IEC/EN/DIN EN 60747-5-5 Insulation Characteristics (See Note)

NOTE

Insulation characteristics are guaranteed only within the safety maximum ratings, which must be ensured by

protective circuits within the application.

Parameter

Symbol

Value

Units

Conditions

Minimum External Air Gap

(External Clearance)

L(101)

14.2

mm

Measured from input terminals to output terminals, shortest

distance through air

Minimum External Tracking

(External Creepage)

L(102)

15

mm

Measured from input terminals to output terminals, shortest

distance path along body

Minimum Internal Plastic Gap

(Internal Clearance)

0.5

mm

Through insulation distance, conductor to conductor, usually

the direct distance between the photoemitter and

photodetector inside the optocoupler cavity

Tracking Resistance

(Comparative Tracking Index)

CTI

>300

V

DIN IEC 112/VDE 0303 Part 1

Isolation Group

IIIa

Material Group (DIN VDE 0110, 1/89, Table 1)

Description

Symbol

Value

Units

Installation classification per DIN VDE 0110/1.89, Table 1

I-IV

I-IV

I-IV

I-IV

I-IV

Climatic Classification

55/105/21

Pollution Degree (DIN VDE 0110/1.89)

2

Maximum Working Insulation Voltage

2262

Input to Output Test Voltage, Method b

4242

Input to Output Test Voltage, Method a

3619

12000

Safety-limiting values (Maximum values allowed in the event of a failure)

Case Temperature

Input Current

Output Power

175

230

600

°C

mA

mW

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