data books, etc. Contact SHARP in order to obtain the latest version of the device specification sheets before using any SHARP's device.
"
"
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BS120
*3 times/10C
BS120
Photodiode for Visible Light
Symbol
Rating
Unit
V
R
10
V
T
opr
T
stg
-20 to + 60
-30 to + 80
C
C
T
sol
260
C
s
Features
1. Spectral sensitivity characteristics akin to
2. Compact flat package
4. Infrared light cut-off type
s
Applications
1. AE ( automatic exposure) system and ES
2. Stroboscopes
3. Precise optical instruments
*1 For 10 seconds
( electronic shutter) system for cameras
that of human eye
V
R
= 1V)
I
SC
(
>= 700nm)
I
SC
( full wavelength)
*4
I
R
=
x 100%
3. Low dark current ( I
d
: MAX. 10
- 11
A at
*2 E
V
: Illuminance by CIE standard light source A ( tungsten lamp)
3
Element
3
0.6
2.54
0.55
Infrared light
0.25
Active area
:
s
Outline Dimensions
(Unit: mm)
s
Absolute Maximum Ratings
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
*2
Short circuit current
I
SC
E
V
0.14
0.16
0.21
A
*2
T
E
V
- 0.03
0.02
0.07
% /C
Dark current
I
d
V
R
= 1V
-
3 x 10
- 12
10
-11
A
Dark current temperature
coefficient
T
V
R
= 1V
-
3.5
5.0
*3
times/10C
Terminal capacitance
C
t
V
R
= 0, f= 1MHz
-
-
500
pF
Peak sensitivity wavelength
p
500
560
600
nm
Spectral sensitivity
infrared radiation ratio
I
R
-
-
-
6
10
%
s
Electro-optical Characteristics
( Ta= 25C)
1
1
2
2
1 Anode
2 Cathode
cut-off filter
Parameter
Reverse voltage
Operating temperature
Storage temperature
*1
Soldering temperature
(Ta= 25C )
Short circuit current tempe-
rature coefficient
= 100lx
= 100lx
1.55mm
2
5.0
0.2
5.9
0.2
8.0
1.0
0.2
MAX.
1.8
0.1
*4
BS120
Wavelength
( nm )
Relative sensitivity
(
%
)
Test Circuit for Response Time
Relative short circuit current
(
%
)
5
5
5
5
5
5
5
0
10
20 25 30
40
50
60
96
97
98
99
100
101
102
103
2
5
2
5
2
5
50C
40C
30C
20C
0
400
500
600
700
800
900
10
20
30
40
50
60
70
80
90
100
1
1
2
5
10
20
50 100 200
500
2
5
10
20
50
100
200
500
10
%
90
%
Output
Input
Infrared LED
Pulse generator
BS120
Output
Fig. 3 Dark Current vs. Reverse Voltage
Fig. 4 Spectral Sensitivity
10
- 5
10
- 6
10
- 7
10
- 8
10
- 9
10
- 10
10
-11
10
-12
T
a
= 25C
Short circuit current I
SC
(
A
)
10
10
- 11
10
-12
10
-13
Illuminance E
V
(
rx)
T
a
= 25C
R
L
t
r
t
f
Ambient Temperature
Fig. 2 Relative Short Circuit Current vs.
Fig. 1 Short Circuit Current vs. Illuminance
10
-3
10
- 2
10
- 1
10
2
10
3
10
- 3
10
-2
10
-1
Dark current I
d
(
A
)
Reverse voltage V
R
(V)
t
r
, t
f
Response time t
r
, t
f
(
s
)
Ambient temperature T
a
( C )
1
10
1
10
2
5
10
- 10
- 9
5
5
5
5
5
5
5
T
a
= 60C
2
5
5
5
2
2
2
1000
1100
1200
1000
1000
q Please refer to the chapter "Precautions for Use."
T
a
= 25C
Load resistance R
L
( k
)
Fig. 5 Response Time vs. Load Resistance
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