6

Table 1. IEC/EN/DIN EN 60747-5-2 Insulation Characteristics*

Description

Symbol

ACPL-772L

Option 060

ACPL-072L

Option 060 Units

Installation classification per DIN VDE 0110/1.89, Table 1

I – IV

I – IV

I – III

I – IV

I – III

Climatic Classification

55/105/21

55/105/21

Pollution Degree (DIN VDE 0110/1.89)

2

2

Maximum Working Insulation Voltage

630

560

Input to Output Test Voltage, Method b**

Partial discharge < 5 pC

1181

1050

Input to Output Test Voltage, Method a**

945

840

6000

4000

Safety-limiting values – maximum values allowed in the event of a failure,

also see Figure 2.

Case Temperature

Input Current

Output Power

175

230

600

150

150

600

°C

mA

mW

>109

>109

W

* Isolation characteristics are guaranteed only within the safety maximum ratings which must be ensured by protective circuits in application.

Surface mount classification is class A in accordance with CECCOO802.

** Refer to the optocoupler section of the Isolation and Control Components Designer’s Catalog, under Product Safety Regulations section IEC/EN/

DIN EN 60747-5-2, for a detailed description of Method a and Method b partial discharge test profiles.

Note: These optocouplers are suitable for “safe electrical isolation” only within the safety limit data. Maintenance of the safety data shall be ensured

by means of protective circuits.

Note: The surface mount classification is Class A in accordance with CECC 00802.

Table 2. Insulation and Safety Related Specifications

Parameter

Symbol

Value

Units

Conditions

ACPL-

772L

ACPL-072L

Minimum External

Air Gap (Clearance)

L(101)

7.1

4.9

mm

Measured from input terminals to output termi-

nals, shortest distance through air.

Minimum External

Tracking (Creepage)

L(102)

7.4

4.8

mm

Measured from input terminals to output termi-

nals, shortest distance path along body.

Minimum Internal Plastic

Gap (Internal Clearance)

0.08

0.08

mm

Through insulation distance conductor to con-

ductor, usually the straight line distance thickness

between the emitter and detector.

Tracking Resistance

(Comparative Tracking Index)

CTI

>175

>175

V

DIN IEC 112/VDE 0303 Part 1

Isolation Group

IIIa

IIIa

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

All Avago Technologies data sheets report the creepage and clearance inherent to the optocoupler component itself. These dimensions are needed as

a starting point for the equipment designer when determining the circuit insulation requirements. However, once mounted on a printed circuit board,

minimum creepage and clearance requirements must be met as specified for individual equipment standards. For creepage, the shortest distance

path along the surface of a printed circuit board between the solder fillets of the input and output leads must be considered.

There are recommended techniques such as grooves and ribs which may be used on a printed circuit board to achieve desired creepage and clearances.

Creepage and clearance distances will also change depending on factors such as pollution degree and insulation level.