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Электронный компонент: H21B2

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PACKAGE DIMENSIONS
SCHEMATIC
6/13/02
Page 1 of 6
2002 Fairchild Semiconductor Corporation
PHOTODARLINGTON
OPTICAL INTERRUPTER SWITCH
H21B1 H21B2 H21B3
DESCRIPTION
The H21B1, H21B2 and H21B3 consist of a gallium arsenide infrared emitting diode coupled with a silicon photodarlington in a
plastic housing. The packaging system is designed to optimize the mechanical resolution, coupling efficiency, ambient light
rejection, cost and reliability. The gap in the housing provides a means of interrupting the signal with an opaque material, switching
the output from an "ON" to an "OFF" state.
FEATURES
Opaque housing
Low cost
.035" apertures
High I
C(ON)
+
E
+
D
2
0.129 (3.3)
0.119 (3.0)
0.433 (11.0)
0.422 (10.7)
0.315 (8.0)
0.110 (2.8)
0.091 (2.3)
1
3
4
0.020 (0.51) (SQ)
0.472 (12.0)
0.457 (11.6)
0.249 (6.35)
0.243 (6.15)
0.39 (1.00)
0.34 (0.85)
0.103 (2.60) NOM
0.125 (3.2)
0.119 (3.0)
0.133 (3.4)
0.126 (3.2)
(2X)
0.755 (19.2)
0.745 (18.9)
L
C
CL
L
C
Optical
CL
0.972 (24.7)
0.957 (24.3)
.295 (7.5)
.272 (6.9)
PIN 1 ANODE
PIN 2 CATHODE
PIN 3 COLLECTOR
PIN 4 EMITTER
4
3
1
2
NOTES:
1. Dimensions for all drawings are in inches (mm).
2. Tolerance of .010 (.25) on all non-nominal dimensions unless
otherwise specified.
6/13/02
Page 2 of 6
2002 Fairchild Semiconductor Corporation
PHOTODARLINGTON
OPTICAL INTERRUPTER SWITCH
H21B1 H21B2 H21B3
NOTES:
1. Derate power dissipation linearly 1.67 mW/C above 25C.
2. RMA flux is recommended.
3. Methanol or isopropyl alcohols are recommended as cleaning agents.
4. Soldering iron 1/16" (1.6 mm) minimum from housing.
ABSOLUTE MAXIMUM RATINGS
(T
A
= 25C unless otherwise specified)
Parameter
Symbol
Rating
Unit
Operating Temperature
T
OPR
-55 to +100
C
Storage Temperature
T
STG
-55 to +100
C
Soldering Temperature (Iron)
(2,3 and 4)
T
SOL-I
240 for 5 sec
C
Soldering Temperature (Flow)
(2 and 3)
T
SOL-F
260 for 10 sec
C
INPUT (EMITTER)
Continuous Forward Current
I
F
50
mA
Reverse Voltage
V
R
6
V
Power Dissipation
(1)
P
D
100
mW
OUTPUT (SENSOR)
Collector to Emitter Voltage
V
CEO
30
V
Emitter to Collector Voltage
V
ECO
6
V
Collector Current
I
C
40
mA
Power Dissipation (T
C
= 25C)
(1)
P
D
150
mW
6/13/02
Page 3 of 6
2002 Fairchild Semiconductor Corporation
PHOTODARLINGTON
OPTICAL INTERRUPTER SWITCH
H21B1 H21B2 H21B3
ELECTRICAL/OPTICAL CHARACTERISTICS
(T
A
=25C)
PARAMETER
TEST CONDITIONS
SYMBOL
DEVICES
MIN
TYP
MAX
UNITS
INPUT (EMITTER)
Forward Voltage
I
F
= 60 mA
V
F
All
--
--
1.7
V
Reverse Breakdown Voltage
I
R
= 10 A
V
R
All
6.0
--
--
V
Reverse Leakage Current
V
R
= 3 V
I
R
All
--
--
1.0
A
OUTPUT (SENSOR)
Emitter to Collector Breakdown
I
F
= 100 A, E
e
= 0
BV
ECO
All
7.0
--
--
V
Collector to Emitter Breakdown
I
C
= 1 mA, E
e
= 0
BV
CEO
All
30
--
--
V
Collector to Emitter Leakage
V
CE
= 25 V, E
e
= 0
I
CEO
All
--
--
100
nA
COUPLED
I
F
= 2 mA, V
CE
= 1.5 V
I
C(ON)
H21B1
0.5
--
--
mA
On-State Collector Current
H21B2
1.0
--
--
H21B3
2.0
--
--
I
F
= 5 mA, V
CE
= 1.5 V
H21B1
2.5
--
--
H21B2
5.0
--
--
H21B3
10
--
--
I
F
= 10 mA, V
CE
= 1.5 V
H21B1
7.5
--
--
H21B2
14
--
--
H21B3
25
--
--
Saturation Voltage
I
F
= 10 mA, I
C
= 1.8 mA
V
CE(SAT)
All
--
--
1.0
V
I
F
= 60 mA, I
C
= 50 mA
H21B1/2
--
--
1.5
V
Turn-On Time
I
F
= 10 mA, V
CC
= 5 V,
R
L
= 750
t
on
All
--
45
--
s
I
F
= 60 mA, V
CC
= 5 V,
R
L
= 75
All
--
7
--
Turn-Off Time
I
F
= 10 mA, V
CC
= 5 V,
R
L
= 750
t
off
All
--
250
--
s
I
F
= 60 mA, V
CC
= 5 V,
R
L
= 75
All
--
45
--
6/13/02
Page 4 of 6
2002 Fairchild Semiconductor Corporation
PHOTODARLINGTON
OPTICAL INTERRUPTER SWITCH
H21B1 H21B2 H21B3
Figure 1. Output Current vs. Input Current
.02
1
I
F
, INPUT CURRENT (mA)
.04
.06
.08
.1
.2
.4
.6
.8
2
1
4
6
8
20
10
40
60
80
100
2
4
6
8 10
20
40
60 80 100
200
400
600
1000
I
CE(on)
, NORMALIZED OUTPUT CURRENT
I
F
= 5 mA
P
W
= 100
sec
PRR = 100 pps
V
CE
= 1.5 V
NORMALIZED TO
PULSED
Figure 2. Output Current vs. Temperature
T
A
, AMBIENT TEMPERATURE (
C)
0.1
1
10
100
-50
-25
0
25
50
75
100
I
CE(on)
, NORMALIZED OUTPUT CURRENT
I
F
= 5 mA, T
A
= 25
C
V
CE
= 1.5 V,
NORMALIZED TO
INPUT PULSED
I
F
= 100 mA
I
F
= 60 mA
I
F
= 30 mA
I
F
= 20 mA
I
F
= 10 mA
I
F
= 5 mA
I
F
= 2 mA
Figure 3. V
CE(SAT)
vs. Temperature
T
A
, AMBIENT TEMPERATURE (
C)
0.4
0.6
0.8
1
2
-50
-25
0
25
50
75
100
V
CE(SAT)
, NORMALIZED
NORMALIZED TO
PULSED
I
F
10 mA
PW = 100
s, PRR = 100 pps
I
C
=
1.8 mA
, T
A
= 25
C
I
F
60 mA
I
C
=
50 mA
I
F
20 mA
I
C
=
3.6 mA
I
F
10 mA
I
C
=
1.8 mA
I
F
5 mA
I
C
=
0.9 mA
6/13/02
Page 5 of 6
2002 Fairchild Semiconductor Corporation
PHOTODARLINGTON
OPTICAL INTERRUPTER SWITCH
H21B1 H21B2 H21B3
Figure 4. Leakage Current vs. Temperature
DETECTOR
0.1
25
T
A
, AMBIENT TEMPERATURE (
C)
1
10
10
2
10
3
10
4
50
75
100
I
CEO
,
NORMALIZED DARK CURRENT
T
A
= 25
C
V
CE
= 25 V
V
CE
= 25 V
NORMALIZED TO
V
CE
= 10 V
EMITTER
0.1
25
T
A
, AMBIENT TEMPERATURE (
C)
1
10
10
2
10
3
10
4
50
75
100
I
R
,
NORMALIZED LEAKAGE CURRENT
T
A
= 25
C
V
R
= 5 V
NORMALIZED TO
Figure 5. Switching Speed vs. R
L
0.1
1
.2
10
20
40
60 80 100
R
L
, LOAD RESISTANCE (
)
.4
.6
.8
2
4
200
400
600 800
750
75
1000 1500
t
ON
,
AND t
OFF
NORMALIZED
I
F
R
L
+
V
CC
PW = 300
s
PRR = 100 pps
I
F
=
7.5
AMPS, V
CC
= 5V
R
L
NORMALIZED TO
R
L
= 750
Figure 6. Output Current vs. Distance
.0001
.1
.01
0
2
4
6
8
10
d, DISTANCE (mm)
d, DISTANCE (mils)
.001
1.00
I
CE(on)
,
NORMALIZED OUTPUT CURRENT
NORMALIZED
TO VALUE WITH
SHIELD
REMOVED
78.7
157.5
236.2
315
393.7
t
off
t
on
BLACK
SHIELD
BLACK
SHIELD
D
+
E
+
d
o
d
o
LIFE SUPPORT POLICY
FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES
OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR
CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the body, or
(b) support or sustain life, and (c) whose failure to perform
when properly used in accordance with instructions for use
provided in the labeling, can be reasonably expected to
result in a significant injury of the user.
2. A critical component in any component of a life support
device or system whose failure to perform can be
reasonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO
ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME
ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN;
NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
6/13/02
Page 6 of 6
2002 Fairchild Semiconductor Corporation
PHOTODARLINGTON
OPTICAL INTERRUPTER SWITCH
H21B1 H21B2 H21B3