H21B1 Fairchild Optoelectronics Group, H21B1 Datasheet - Page 5
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H21B1
Manufacturer Part Number
H21B1
Description
SENSOR OPTO SLOT 3MM DARL THRU
Manufacturer
Fairchild Optoelectronics Group
Type
Unamplifiedr
Datasheet
1.H21B1.pdf
(6 pages)
Specifications of H21B1
Sensing Distance
0.118" (3mm)
Sensing Method
Transmissive
Output Configuration
Photodarlington
Current - Dc Forward (if)
50mA
Current - Collector (ic) (max)
40mA
Voltage - Collector Emitter Breakdown (max)
30V
Response Time
7µs, 45µs
Mounting Type
Through Hole
Package / Case
PCB Mount
Operating Temperature
-55°C ~ 100°C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
H21B1GE
H21B1QT
H21B1QT
H21B1QT
H21B1QT
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
H21B1
Manufacturer:
FAIRCHILD/仙童
Quantity:
20 000
© 2002 Fairchild Semiconductor Corporation
0.1
.8
.6
.4
.2
4
2
1
10
20
PW = 300 µs
PRR = 100 pps
I
NORMALIZED TO
R
F
L
=
= 750 Ω
7.5
R
L
Figure 5. Switching Speed vs. R
AMPS, V
40
R
L
CC
60 80 100
10
10
10
, LOAD RESISTANCE (Ω)
0.1
10
4
3
2
= 5V
75
1
25
V
T
CE
A
, AMBIENT TEMPERATURE (°C)
= 25 V
NORMALIZED TO
V
200
CE
T
A
50
t
DETECTOR
off
= 25 V
= 25 °C
I
F
Figure 4. Leakage Current vs. Temperature
t
on
400
L
R
600 800
OPTICAL INTERRUPTER SWITCH
75
L
V
V
750
CE
CC
+
= 10 V
1000 1500
Page 5 of 6
100
H21B1
10
10
10
0.1
10
4
3
2
1
.0001
25
1.00
.001
.01
.1
0
T
A
, AMBIENT TEMPERATURE (°C)
PHOTODARLINGTON
+
E
NORMALIZED TO
V
50
BLACK
SHIELD
D
+
T
R
A
Figure 6. Output Current vs. Distance
EMITTER
78.7
= 5 V
= 25 °C
2
d
o
H21B2
75
157.5
d, DISTANCE (mils)
d, DISTANCE (mm)
4
100
236.2
6
NORMALIZED
TO VALUE WITH
SHIELD
REMOVED
315
H21B3
8
BLACK
SHIELD
6/13/02
d
o
393.7
10