Canon CXDI-31, Service Manual

Page: 135 / 209

2 Installation Manual
- 109 -
(3) PC1 to PC10 (Photocoupler)
1) Maximum rating (Ta=25°C)
Item Symbol Value
Forward current I
F
50 mA
Maximum forward
current
I
FM
1 A
Reverse current V
R
6 V
Input
side
Allowable loss P 75 mW
Collector-Emitter voltage V
CEO
35 V
Emitter-Collector voltage V
ECO
6 V
Collector current I
C
20 mA
Output
side
Collector loss P
C
75 mA
Insulation electric strength V
iso
5 kVrms
Operating temperature T
opr
-25 to 85°C
Storage temperature T
stg
-40 to 100°C
[Table.8]
2) Electrical characteristics (Ta=25
°
C)
Item Symbol
Measurement
condition
Min
Standar
d
Max
Uni
t
Forward current V
F
I
F
= 20 mA - 1.2 1.4 V
Maximum forward
current
V
FM
I
FM
= 0.5 A - 3 4 V
Reverse current
I
R
V
R
= 3 V - - 10
µ
A
Input side
Capacity between
terminals
C
t
V = 0, f = 1 kHz - 50 250 pF
Collector-emitter
breakdown voltage
B V
CEO
I
C
= 0.1 mA
I
F
= 0
35 - V
Emitter-collector
breakdown voltage
B V
ECO
I
E
= 10
µ
A
I
F
= 0
6 - V
Output side
Dark current I
CEO
V
EC
= 20 V
I
F
=0
- - 100 nA
Collector current I
C
I
F
= 20 mA
V
CE
= 5 V
2 - 20 mA
Collector-emitter
saturation voltage
V
CE(sat)
I
F
= 40 mA
I
C
=1mA
- - 0.4 V
Insulation resistance R
ISO
DC 500 V
40 to 60% RH
10
12
-
Ω
Cutoff frequency f
C
V
CE
= 2 V, I
C
= 2 mA
R
L
= 100
Ω
, -3 dB
12 80 20
kH
z
Rise time t
r
- 3 20
µ
S
Transfer char
acteristi
cs
Response
time
Fall time t
f
V
CE
= 2 V, I
C
= 2 mA
R
L
= 100
Ω
- 4 30
µ
S
[Table.9]