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| 型號： | STS-8857 |
| 英文描述： | OPTO SWITCH TRANSMISSIVE |
| 中文描述： | 透射式光電開關(guān) |
| 文件頁數(shù)： | 1/1頁 |
| 文件大?。?/td> | 25K |
| 代理商： | STS-8857 |
2 Cogan Ave, Plattsburgh
NY, 12901, USA
Tel: 518-561-3160
Fax: 514-747-3906
Northwich, Cheshire
CW9 7TN, United Kingdom
Tel: 01606-41999
Fax: 01606-49706
2150 Ward, Montreal
Que, H4M 1T7, Canada
Tel: 514-744-5507
Fax: 514-747-3906
STS-8831
Dual Channel Optical Switch Assembly
Over / Under Optical Axis
Features
Non contact switching
Four wires for electrical connection
Fast switching speed
Description
The STS-8831 consists of a pair of infrared emitting
diodes and a pair of NPN phototransistors mounted on
opposite sides of a 5.1 mm. wide slot. Phototransistor
switching takes place whenever an opaque object
passes through the slot. The Phototransistors have a
0.5x1.5 mm internal aperture for increased resolution.
The polysulfone housing (Note 1) reduces interference
from ambient light and provides dirt and dust
protection. 340 mm length wires may be terminated
with an IDC connector upon special order.
Absolute Maximum Ratings
Operating & Storage Temp.
-40
°
C to +100
°
C
Input Diode Pair
Reverse Voltage
Average Forward Current
Peak Forward Current (1
μ
s pulse)
Power Dissipation (Note 2)
6 V
50 mA
3 A
200 mW
Phototransistor (each)
Collector-Emitter Voltage
Emitter-Collector Voltage
Power Dissipation (Note 3)
30 V
5 V
100 mW
Dimensions in mm (-/+ 0.12)
Optical Centerline
8.0
16.5
11.4
3.0
6.35
Ch. 1
Ch. 2
C
C
C
C
34.8
16.0
3.0
6.6
3.8 (2 PL)
13.2
5.1
Gray
Blk (Gnd)
Green
Sensor output
(Ch. 1)
White
Sensor output
(Ch. 2)
Schematic
Electrical Characteristics
(T
A
=25
°
C unless otherwise noted)
Symbol
Parameter
Input Diode
V
F
Forward Voltage
I
R
Reverse Current
Output Phototransistor
I
CEO
Collector Dark Current
BV
CEO
Collector-Emitter Breakdown Voltage
BV
ECO
Emitter-Collector Breakdown Voltage
Coupled
V
CE(SAT)
Collector Emitter Saturation Voltage
I
C(ON)
On-State Collector Current
I
CX
Cross talk
Specifications subject to change without notice
Notes: (1) Plastic housing is soluble in chlorinated hydrocarbons and ketones. Recommended cleaning agents
are methanol or isopropanol.
(2) Derate linearly 2.6 mW/
°
C above 25
°
C.
(3) Derate linearly 1.3 mW/
°
C above 25
°
C.
Min Typ
Max
Units
Test Conditions
2.4
3.4
100
V
μ
A
I
F
= 40 mA
V
R
= 4 V
100
nA
V
V
V
CE
= 10V, Ee = 0, I
F
= 0
I
C
= 100
μ
A, Ee = 0
I
C
= 100
μ
A, Ee = 0
30
5
0.4
V
μ
A
μ
A
I
C
= 250
μ
A, I
F
= 25 mA
V
CE
= 10V, I
F
= 25 mA
I
F
= 25 mA, V
CE
= 2.0 V
400
200
103327 REV 1
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