Photo transistors
KODENSHI
ST-309
DIMENSIONS
The ST-309 is a doble type high-sensitivity Silicon
phototransistor. This phototransistor is compact size
(Unit : mm)
FEATURES
鈥ide-viwering plastic package
鈥ult-in 2ch phototransistors
APPLICATIONS
鈥ptical mouses
鈥ncoders
MAXIMUM RATINGS
Item
C-E voltage
E-C voltage
Collector current
Collector power dissipation
Operating temp.
Storage Temp.
Soldering temp.
*1
(Ta=25鈩?
Symbol
V
CEO
V
ECO
I
C
P
C
Topr.
Tstg.
Tsol.
Rating
30
4
30
-
-25~+85
-30~+100
260
Unit
V
V
mA
mW
鈩?/div>
鈩?/div>
鈩?/div>
*1. For MAX.5 seconds at the position of 2 mm from the package
ELECTRO-OPTICAL CHARACTERISTICS
Item
Collecor dark current
Light current
Light current ratio
Rise time
Switching speeds Fall time
Spectral sensitivity
Peak wavelength
Half angle
*2. I
CEL
of PTr1
(Ta=25鈩?
Symbol
I
CEO
I
CEL1
I
CEL2
/I
CEL1
tr
tf
位
位p
螖胃
Conditions
V
CEO
=10V
V
CE
=5V, E
V *2
V
CC
=10V, I
C
=5mA,
R
L
=100惟
10%
Min.
40
0.8
Typ.
Max.
0.5
115
1.2
Unit.
渭
A
渭
A
鈹€
渭 ec.
s
渭 ec.
s
nm
nm
deg.
8
9
400錕?frac12;錕?100
800
鹵60
*3. Setup Iuminous intensity by standard devices.
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