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| H21A4 Datasheet, PDF (3/4 Pages) QT Optoelectronics – SOLTTED OPTICAL SWITCH | |||
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PHOTOTRANSISTOR
OPTICAL INTERRUPTER SWITCH
H21A4 H21A5 H21A6
TYPICAL PERFORMANCE CURVES
Figure 1. Output Current vs. Input Current
10
8
6
4
2
1
.8
.6
.4
NORMALIZED TO
IF = 20 mA
.2
VCE = 5 V
PULSED
.1
PW = 100 µsec
.08
PRR = 100 pps
.06
.04
.02
.01 1
2
4 6 8 10
20
40 60 80 100 200 400 600 1000
IF , INPUT CURRENT (mA)
Figure 3. VCE(SAT) vs. Temperature
3
NORMALIZED TO
2
IC
IF
=
1.8 mA
30 mA
, TA = 25°C
PULSED
PW = 100 µs, PRR = 100 pps
IC = 1.8 mA
IF 20 mA
IC = 3.6 mA
IF 60 mA
1
IC = 1.8 mA
IF 30 mA
0.8
IC = 0.9 mA
IF 15 mA
0.6
-50
-25
0
25
50
TA , AMBIENT TEMPERATURE (°C)
75
100
Figure 2. Output Current vs. Temperature
10
8
NORMALIZED TO VCE = 1.5 V, IF = 5 mA, TA = 25 °C
6
INPUT PULSED
IF = 100 mA
4
IF = 60 mA
2
IF = 30 mA
1
IF = 20 mA
.8
.6
IF = 10 mA
.4
.2
IF = 5 mA
.1
-55 -40
-20
0
20
40
60
80
100
TA, AMBIENT TEMPERATURE (°C)
Figure 4. Leakage Current vs. Temperature
DETECTOR
EMITTER
103
103
102
VCE = 45 V
101
102
VCE = 10 V
101
1
0.1
25
NORMALIZED TO
VCE = 45 V
TA = 25 °C
50
75
100
T A, AMBIENT TEMPERATURE (°C)
1
0.1
25
NORMALIZED TO
VCE = 5 V
TA = 25 °C
50
75
100
T A, AMBIENT TEMPERATURE (°C)
Figure 5. Switching Speed vs. RL
4.5
1.00
4
PW = 300 µs
3
PRR = 100 pps
IF =
7.5
RL
AMPS, VCC = 5V
ton
toff
.1
2
NORMALIZED TO
RL = 2.5 Kâ¦
1.5
.01
1
.9
.8
.7
.6
.5
.45
1K
DS300291 6/05/01
RL
+
.001
IF
VCC
2K
3K
4K
5K
RL , LOAD RESISTANCE (â¦)
6K 7K 8K 9K 10K
.0001 0
3 OF 4
Figure 6. Output Current vs. Distance
d, DISTANCE (mils)
78.7
157.5
236.2
315
393.7
BLACK
SHIELD
+D
E+
d
o
NORMALIZED
TO VALUE WITH
SHIELD
REMOVED
BLACK
SHIELD
d
o
2
4
6
8
10
d, DISTANCE (mm)
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