AQY210KSX 데이터 시트보기 (PDF) - Matsushita Electric Works

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AQY210KSX

PhotoMOS RELAYS

Matsushita Electric Works 

AQY210KS

What is short circuit protection?

When the load current exceeds specifica-

tions, the short circuit protection function

kicks in and completely cuts off the load

current, thus turning off the relay.

The short circuit protection inside the

PhotoMOS relay instantaneously

(typ. 50 µs) and completely cuts of the

load current.

This protects any circuits that follow the

PhotoMOS relay from excess current.

There is almost no heating of the Photo-

MOS relay, which prevents it from becom-

ing damaged. To restore the function of

the relay turn off the input current and

then turn it back on.

Output voltage and output current

characteristics

V-I characteristics of PhotoMOS relay

with short circuit protection circuit

Output voltage

Operation chart

Relay input

current

5mA

0

Occurrence of

short circuit current

Abnormal current

120mA

Relay output

current

0

Normal relay operation

Detection time

(approx. 50 µs)

The short circuit current

detection device latches

when the relay is off.

The relay operates normally

when the input current is reset.

If the output section shorts even after

the input current is reset, it will latch

when the short circuit current is

detected again and the relay turns off.

51/70/02001

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