Photo transistors
KODENSHI
ST-1KL3A T-1KL3B
・S
DIMENSIONS
The ST-1KL3A and 1KL3B are high-sensitivity
NPN silicon phototransistors mounted in durable,
hermetically sealed TO-18 metal can which
provide years of reliable performance, even under
demanding conditions such as use outdoors.
(Unit : mm)
FEATURES
•Narrow angular response
•Durable
•High reliability in demanding environments
•Two leads (Collector, Emitter) ST-1KL3A
•Three leads (Collector, Emitter, Base) ST-
1KL3B
APPLICATIONS
•Optical switches
•Optical detectors
•Infrared sensors
•Encoders
•Smoke detectors
ST-1KL3A
ST-1KL3B
MAXIMUM RATINGS
Item
C-E voltage
E-C voltage
Collector current
Collector power dissipation
Operating temp.
Storage Temp.
Soldering temp.
*1
(Ta=25℃)
Symbol
V
CEO
V
ECO
I
C
P
C
Topr.
Tstg.
Tsol.
Rating
40
6
50
150
-30~+100
-50~+150
260
Unit
V
V
mA
mW
℃
℃
℃
*1. For MAX.5 seconds at the position of 2 mm from the package
ELECTRO-OPTICAL CHARACTERISTICS
Item
Collector dark current
Light current
C-E saturation voltage
Rise time
Switching speeds Fall time
Spectral sensitivity
Peak wavelength
Half anglee
(Ta=25℃)
Symbol
I
CEO
I
L
V
CE
(sat)
tr
tf
λ
λp
△θ
Conditions
V
CEO
=10V
V
CE
=10V, 200lx
*2
I
C
=5mA, 2,000lx
*2
V
CC
=10V, I
C
=5mA,
R
L
=100Ω
Min.
1.5
Typ.
1
5.0
0.2
3.2
4.8
500~1,050
880
±6
Max.
200
15
0.4
Unit.
nA
mA
V
μ ec.
s
μ ec.
s
nm
nm
deg.
*2. Color temp.=2856K standard Tungsten lamp
- 1-
KODENSHI [ KODENSHI KOREA CORP. ]
