S7478_15 Datasheet, PDF (1/4 Pages) Hamamatsu Corporation – Si PIN photodiode

Si PIN photodiode
S7478
Large photosensitive area (5 × 5 mm) photo-
sensor with high reliability
The S7478 is a PIN photodiode having a large photosensitive area (5 × 5 mm) and surface mount flat package with leads.
Features
Surface mount plastic package: 9 × 9.6 × 1.5^t mm
Large photosensitive area: 5 × 5 mm
Operating temperature range: -40 to +85 °C
Storage temperature range: -40 to +100 °C
High sensitivity: 0.72 A/W (λ=960 nm)
Applications
Automobile sensor
(Vehicle and traffic information system, laser radar,
front window frost sensor, rain sensor)
FSO (free space optics)
Structure
Parameter
Photosensitive area
Package
Window material
Specification
Unit
5×5
mm
Plastic
-
Silicone resin
-
Absolute maximum ratings
Parameter
Symbol
Condition
Specification
Unit
Reverse voltage
VR max. Ta=25 °C
20
V
Operating temperature
Topr
-25 to +85
°C
Storage temperature
Reflow soldering conditions
Tstg
Tsol*¹
-40 to +100
°C
Peak temperature 240 °C max., two times (see page 4)
-
Note: Exceeding the absolute maximum ratings even momentarily may cause a drop in product quality. Always be sure to use the
product within the absolute maximum ratings.
*1: JEDEC level 5a
Electrical and optical characteristics (Ta=25 °C)
Parameter
Symbol
Condition
Min.
Spectral response range
λ
-
Peak sensitivity wavelength
λp
-
Photosensitivity
Short circuit current
S λ=λp
0.6
Isc 100 lx, 2856 K
-
Dark current
ID VR=10 V
-
Temperature coefficient of ID
TCID
-
Cutoff frequency
fc
VR=10 V, RL=50 Ω
-3 dB, λ=780 nm
10
Terminal capacitance
Ct VR=10 V, f=1 MHz
-
Typ.
320 to 1100
960
0.72
26
0.4
1.14
20
40
Max.
-
-
-
-
5
-
-
60
Unit
nm
nm
A/W
μA
nA
times/°C
MHz
pF
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