ACPL-021L datasheet(8/16 Pages) BOARDCOM

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ACPL-M21L, ACPL-021L, ACPL-024L, ACPL-W21L, ACPL-K24L

Data Sheet

NOTE

These optocouplers are suitable for "safe electrical isolation" only within the safety limit data. Maintenance of the

safety limit data shall be ensured by means of protective circuits.

Table 3 Insulation and Safety Related Specifications

Parameter

Symbol ACPL-M21L

ACPL-024L

ACPL-021L

ACPL-W21

ACPL-K24L

Units

Conditions

Minimum External Air Gap

(Clearance)

L(101)

4.9

Measured from input terminals to output

terminals, shortest distance through air.

Minimum External Tracking

(Creepage)

L(102)

4.8

Measured from input terminals to output

terminals, shortest distance path along body.

Minimum Internal Plastic Gap

(Internal Clearance)

0.08

Through insulation distance conductor to

conductor, usually the straight line distance

thickness between the emitter and detector.

Tracking Resistance

(Comparative Tracking Index)

CTI

175

DIN IEC 112/VDE 0303 Part 1

Isolation Group

IIIa

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

Table 4 IEC/EN60747-5-5 Insulation Characteristicsa (Option 060 and 560 Only)

Refer to the optocoupler section of the Isolation and Control Components Designer’s Catalog, under Product Safety Regulations section, (IEC/EN 60747-5-5)

for a detailed description of Method a and Method b partial discharge test profiles.

Description

Symbol

Characteristic

Unit

ACPL-M21L/

024L/021L

ACPL-W21L/

K24L

Installation classification per DIN VDE 0110/39, Table 1

for rated mains voltage ≤ 150 Vrms

for rated mains voltage ≤ 300 Vrms

for rated mains voltage ≤ 600 Vrms

for rated mains voltage ≤ 1000 Vrms

I – IV

I – III

I – II

I – IV

I – III

Climatic Classification

55/105/21

Pollution Degree (DIN VDE 0110/39)

Maximum Working Insulation Voltage

VIORM

567

1140

Vpeak

Input to Output Test Voltage, Method ba

VIORM × 1.875 = VPR, 100% Production Test with tm = 1 sec, Partial discharge < 5 pC

VPR

1063

2137

Vpeak

Input to Output Test Voltage, Method aa

VIORM × 1.6 = VPR, Type and Sample Test, tm = 10 sec, Partial discharge < 5 pC

VPR

896

1824

Vpeak

Highest Allowable Overvoltage (Transient Overvoltage tini = 60 sec)

VIOTM

6000

8000

Vpeak

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

Case Temperature

Input Currentb

Output Powerb

Refer to the following figure for dependence of PS and IS on ambient temperature.

IS, INPUT

PS, OUTPUT

150

600

175

230

600

°C

Insulation Resistance at TS, VIO = 500 V

>109



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