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K12728-010K Datasheet

Two-color detector

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K12728-010K pdf
Two-color detector
K12728-010K
Wide spectral response range: 0.32 to 1.65 μm,
Compact ceramic package
The K12728-010K is a two-color detector in a compact ceramic package, covering a wide spectral response range. Like the
current K1713-09, it incorporates an infrared-transmitting Si photodiode mounted over an InGaAs PIN photodiode, along
the same optical axis. It features low noise and low dark current and supports reow soldering.
Features
Wide spectral response range
Compact, low noise, low dark current
Supports reflow soldering
Applications
Spectrophotometers
Radiation thermometers
Structure
Parameter
Window material
Package
Photosensitive area
Symbol
-
-
-
Si
InGaAs
Condition
Specication
Borosilicate glass
Ceramic
2.4 × 2.4
ϕ1.0
Unit
-
-
mm
Absolute maximum ratings
Parameter
Reverse voltage
Operating
temperature
Storage temperature
Symbol
Condition
VR max
Si, Ta=25 °C
InGaAs, Ta=25 °C
Topr No condensation
Tstg No condensation
Value
5
10
-20 to +70
-20 to +85
Unit
V
°C
°C
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.
Electrical and optical characteristics (Ta=25 °C)
Parameter
Spectral response
range
Peak sensitivity
wavelength
Photosensitivity
Dark current
Cutoff frequency
Terminal capacitance
Shunt resistance
Detectivity
Symbol
λ
λp
S
ID
fc
Ct
Rsh
D*
Condition
Min.
Si -
InGaAs
-
Si -
InGaAs
-
Si, λ=λp
InGaAs, λ=λp
Si, VR=10 mV
InGaAs, VR=10 mV
Si, -3 dB, VR=0 V, RL=50 Ω
InGaAs, -3 dB, VR=0 V, RL=50 Ω
Si, VR=0 V, f=10 kHz
0.3
0.3
-
-
1
5
-
InGaAs, VR=0 V, f=1 MHz
-
Si, VR=10 mV
100
InGaAs, VR=10 mV
Si, λ=λp
InGaAs, λ=λp
25
5 × 1012
5 × 1011
www.hamamatsu.com
Typ.
0.32 to 1.1
1.1 to 1.65
0.96
1.55
0.45
0.55
30
80
2
10
60
130
300
125
1.4 × 1013
3.5 × 1012
Max.
-
-
-
-
-
-
100
400
-
-
110
200
-
-
-
-
Unit
μm
μm
A/W
pA
MHz
pF
MΩ
MΩ
cmHz1/2/W
1
HAMAMATSU
HAMAMATSU



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