SG278 Datasheet, PDF (1/2 Pages) KODENSHI KOREA CORP. – PhotoInterrupter(Transimissive)

PhotoInterrupter(Transimissive)
SG278
The SG278 photointerrupter high-performance standard
type,combines high-output GaAs IRED with high sensitive
phototransistor.
DIMENSIONS
(Unit : mm)
FEATURES
• PWB direct mount type
• GAP : 3.0mm
• Compact/High performance
• With the installation positioning boss
APPLICATIONS
• Printers
• Facsimiles
• Car stereo
• Card readers/writers
MAXIMUM RATINGS
(Ta=25°C)
Item
Symbol
Rating
Unit
Power dissipation
P_D
75
mW
Input ^{Forward current}
I_F
Reverse voltage
V_R
50
mA
5
V
Pulse forward current ^*1
I_FP
1
A
Collector power dissipation
P_C
75
mW
Output ^{Collector current}
I_C
20
mA
Collector-Emitter voltage V_CEO
30
V
Emitter-Collector voltage V_ECO
5
V
Operating temp.^*2
Topr.
-20 ~ +85
°C
Storage temp.^*2
Tstg.
-30 ~ +85
°C
Soldering temp.^*3
Tsol.
260
°C
*1. Pulse width : tw≤100us. period T=10ms
*2. No icebound or dew *3. For MAX. 5 seconds at the position of 1mm from the resin edge.
ELECTRO-OPTICAL CHARACTERISTICS
Item
Symbol
Conditions
Input
Output
Trans-
mission
Forward voltage
Reverse current
Peak wavelength
Collector dark current
Light current
Leakage current
C-E saturation voltage
Rise time
Fall time
V_F
I_R
λ_p
I_CEO
I_C
I_CEOD
V_CE(sat)
tr
tf
I_F=20mA
V_R=5V
I_F=20mA
V_CE=10V,0 lx
I_F=20mA,V_CE=5V (Non-Shading)
I_F=20mA,V_CE=5V (Shading)
I_F=20mA,I_C=0.1mA
V_CC=5V,I_C=2mA,R_L=100Ω
Min.
-
-
-
-
0.7
-
-
-
-
Typ.
1.2
-
940
1
-
0.5
0.15
4
5
(Ta=25°C)
Max. Unit.
1.4 V
10 µA
-
nm
100 nA
14 mA
10 µA
0.4 V
-
µs
-
µs
-1-