5200 St. Patrick St., Montreal
The Old Railway, Princes Street
Que., H4E 4N9, Canada
Ulverston, Cumbria, LA12 7NQ, UK
Tel: 514-768-8000
Tel: 01 229 581 551
Fax: 514-768-8889
Fax: 01 229 581 554
QF-84
NSL-32SR3
Optocoupler
Features
Compact, moisture resistant package
Low "on" resistance
Low LED current
Fast rise and decay time
Passive resistance output
Best distortion characteristics
Description
This optocoupler consists of an LED input optically
coupled to a photocell. The photocell resistance is
high when the LED current is "off" and low resistance
when the LED current is "on".
Absolute Maximum Ratings
Storage Temperature
-40 to +75
C
Operating Temperature
-40 to +75
C
Soldering Temperature (1)
260
C
Isolation Voltage (peak)
2000V
+
-
LED
Photocell
Circuit Schematic
Photocell
LED
Color dot
0.45-0.56
cell leads
Dimensions in mm.
Lead spacing tolerance: +/-0.13
Anode lead
0.25 x 0.51
Cathode lead
0.25 x 0.64
6.0 - 6.5
+
-
25.4 min.
5.7 min.
2.54
5.72 - 6.22
3.30
Photocell Resistance vs. LED Current
10
100
1000
10000
0.1
1
10
100
Current (mA)
Resistance (
)
Electrical Characteristics
(T
A
=25
C)
Symbol Parameter
Min. Typ. Max. Units Test Conditions
LED
I
F
Forward Current
25
mA
V
F
Forward Voltage
2.5
V
I
F
= 20 mA
I
R
Reverse Current
10
A V
R
= 4V
Cell
V
C
Maximum Cell Voltage
60
V
(Peak AC or DC)
P
D
Power Dissipation
50
mW (2)
Coupled
R
ON
On Resistance
60
I
F
= 20 mA
150
I
F
= 5 mA
R
OFF
Off Resistance
25
M
10 sec after I
F
= 0, 5Vdc on cell.
T
R
Rise Time
5
msec Time to 63% of final conductance @ I
F
= 5mA
T
F
Decay Time
10
msec Time to 100K
after removal of I
F
= 5mA
Cell Temp Coefficient
0.7
%/
C I
F
> 5 mA
Specifications subject to change without notice
104058 REV 3
Note: (1) >2 mm from case for <5 sec.
(2) Derate linearly to 0 at 75
C
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