H21A2 Fairchild Optoelectronics Group, H21A2 Datasheet - Page 4
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H21A2
Manufacturer Part Number
H21A2
Description
SENSOR OPTO SLOT 3MM TRANS THRU
Manufacturer
Fairchild Optoelectronics Group
Type
Unamplifiedr
Datasheet
1.H21A1.pdf
(5 pages)
Specifications of H21A2
Sensing Distance
0.118" (3mm)
Sensing Method
Transmissive
Output Configuration
Phototransistor
Current - Dc Forward (if)
50mA
Current - Collector (ic) (max)
20mA
Voltage - Collector Emitter Breakdown (max)
30V
Response Time
8µs, 150µs
Mounting Type
Through Hole
Package / Case
PCB Mount
Operating Temperature
-55°C ~ 100°C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
www.fairchildsemi.com
1.5
.45
4.5
.9
.7
.8
.6
.5
1
4
3
2
1K
PW = 300 s
PRR = 100 pps
I
NORMALIZED TO
R
F
L
=
= 2.5 K
75
R
L
Figure 5. Switching Speed vs. R
AMPS, V
2K
R
CC
L
, LOAD RESISTANCE ( )
= 5V
10
10
10
0.1
1
3
2
1
25
3K
V
CE
T
I
F
A
4K
, AMBIENT TEMPERATURE ( C)
= 25 V
50
DETECTOR
5K
NORMALIZED TO
V
t
on
CE
T
Figure 4. Leakage Current vs. Temperature
A
6K
L
= 25 V
= 25 C
7K 8K 9K 10K
R
75
V
L
CE
t
V
off
CC
= 10 V
+
OPTICAL INTERRUPTER SWITCH
4 OF 5
100
H21A1 / H21A2 / H21A3
.0001
.001
1.00
.01
10
10
10
0.1
.1
1
3
2
1
0
25
T
+
E
A
, AMBIENT TEMPERATURE ( C)
BLACK
SHIELD
D
+
78.7
50
Figure 6. Output Current vs. Distance
2
d
o
EMITTER
PHOTOTRANSISTOR
NORMALIZED TO
V
T
R
A
= 5 V
= 25 C
75
157.5
d, DISTANCE (mils)
4
d, DISTANCE (mm)
100
236.2
6
5/02/01
315
NORMALIZED
TO VALUE WITH
SHIELD
REMOVED
8
DS300290
BLACK
SHIELD
d
o
393.7
10