NSL-28 & NSL-28AA
Optocoupler
Features
•
•
•
Compact, moisture resistant package
Low LED current
Passive resistance output
12.7 min.
12.7 min.
Photocell
LED
2.54
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
Operating Temperature
Soldering Temperature (1)
Isolation Voltage (peak)
Note:
-40 to +75°C
-40 to +75°C
260°C
2000V
Dimensions in mm.
Lead spacing tolerance: +/-0.13
+
-
2.54
7.6 - 8.1
∅
0.38-0.54
on all leads
Color
dot
Cathode
short lead
5.5 - 6.0
(1) >2 mm from case for <5 sec.
(2) Derate linearly to 0 at 75°C
(3) The Rise Time, T
R
, is the time required for
the dark to light change in conductance to
reach 63% of its final value.
Photocell
+
LED
-
Circuit Schematic
Electrical Characteristics
(T
A
=25°C unless otherwise noted)
Symbol Parameter
Min Typ Max Units
LED
I
F
Forward Current
40
mA
V
F
Forward Voltage
2.5
V
I
R
Reverse Current
3.0
µA
Cell
V
C
Maximum Cell Voltage
100
V
P
D
Power Dissipation
50
mW
Coupled
R
ON
On Resistance:
NSL-28
400
Ω
NSL-28AA
2.5
KΩ
NSL-28AA
5
KΩ
R
OFF
Off Resistance:
NSL-28
10
MΩ
NSL-28AA 1
MΩ
T
R
Rise Time:
NSL-28
5
msec
NSL-28AA
0.5
msec
T
F
Decay Time
NSL-28
80
msec
NSL-28AA
60
msec
Cell Temp Coefficient: NSL-28
0.7
%/°C
NSL-28AA
1.0
%/°C
Specifications subject to change without notice
5200 St. Patrick St., Montreal
Que., H4E 4N9, Canada
Tel: 514-768-8000
Fax: 514-768-8889
QF-84
Test Conditions
(2)
I
F
= 16 mA
V
R
= 4V
(Peak AC or DC)
(2)
I
F
= 20 mA
I
F
= 1 mA
10 sec after I
F
= 0, 5Vdc on cell.
Time to 63% of final conductance
@ I
F
= 16mA (3)
Time to 100KΩ after removal of I
F
= 16mA
I
F
> 5 mA
103065 REV 1
The Old Railway, Princes Street
Ulverston, Cumbria, LA12 7NQ, UK
Tel: 01 229 581 551
Fax: 01 229 581 554
SILONEX [ SILONEX INC. ]
