H21B1 Fairchild Optoelectronics Group, H21B1 Datasheet - Page 5

• Manufacturer Part Number: H21B1
• Description: SENSOR OPTO SLOT 3MM DARL THRU
• Manufacturer: Fairchild Optoelectronics Group
• Type: Unamplifiedr

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

© 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