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-37V51
Optocoupler
Features
Compact, moisture resistant package
Low LED current
Passive resistance output
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 (2)
260
C
Isolation Voltage (peak)
2500V
- LED +
CELL
Dimensions in mm.
Tolerance: +/-0.1mm
2
4
0.43 - 0.49 mm
all leads
3
1
9.0
10.46
25 min.
25 min.
10.0
8.64
5.1
5.1
8.64 mm
1
3
2
4
LED
PHOTOCELL
Circuit Schematic
Electrical Characteristics
(T
A
=25
C unless otherwise noted)
Symbol
Parameter
Min Typ Max
Units
Test Conditions
LED
I
F
Forward Current
40
mA
V
F
Forward Voltage
2.5
V
I
F
= 20 mA
V
R
Reverse Voltage
3.0
V
Cell
V
C
Maximum Cell Voltage
100
V
(Peak AC or DC)
P
D
Power Dissipation
175
mW
(1)
Coupled
30
K
I
F
= 1.0 mA
R
ON
On Resistance
5.0
K
I
F
= 10 mA
1.5
2.0
K
I
F
= 40 mA
R
OFF
Off Resistance
10
M
10 sec after I
F
= 0.
T
R
Rise Time
2.5
msec Time to 63% of final conductance @ I
F
=40mA (3)
T
F
Decay Time
35
msec Time to 100K
after removal of I
F
= 40 mA
Specifications subject to change without notice.
102297 REV 4
Note: (1) Derate linearly to 0 at 75
C.
(2) >2 mm from case for <5 sec.
(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.
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