Document
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 reflow 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
Specification 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 cm∙Hz1/2/W
1
Photosensitivity (A/W)
Two-color detector
K12728-010K
Spectral response
0.7
(Typ. Ta=25 °C)
0.6
0.5
InGaAs 0.4
0.3
Si 0.2
0.1
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
Wavelength (μm)
KIRDB0598EB
Dark current vs. reverse voltage
10 nA
(Typ. Ta=25 °C)
Transmittance (%)
Spectral transmittance of window material
100 (Typ. Ta=25 °C) 90 80 70 60 50 40 30 20 10 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
Wavelength (μm)
KIRDB0599EA
1 nA
InGaAs
100 pA
Si
10 pA 0.01
0.1 1 10
Reverse voltage (V)
100
KIRDB0600EA
Dark current
2
Terminal capacitance Shunt resistance
Two-color detector
K12728-010K
Terminal capacitance vs. reverse voltage
10 nF
(Typ. Ta=25 °C)
1 nF 100 pF
10 pF
InGaAs (f=1 MHz) Si (f=10 kHz)
1 pF 0.01
0.1 1 10
Reverse voltage (V)
100
KIRDB0601EA
Shunt resistance vs. element temperature
10 TΩ
(Typ. VR=10 mV)
1 TΩ
100 GΩ
10 GΩ 1 GΩ
Si
100 MΩ
10 MΩ 1 MΩ
InGaAs
100 kΩ
10 kΩ -20
0
20 40 60 80 100
Element temperature (°C)
KIRDB0602EA
Dimensional outline (unit: mm)
Index mark
6.6 ± 0.2
Recommended land mark pattern (unit: mm)
2.5 3.3 2.5
8.0 2.4 1.6 2.4 0.8 0.9
8.0 ± 0.15 7.0 ± 0.1
Photosensitive area InGaAs
(0.07)
Window
Photosensitive area Si
0.7 ± 0.1 1.6 ± 0.2 2.4 ± 0.3
2.0 ± 0.2
3.7 ± 0.2
2.0 ± 0.2
2.0 ± 0.2
2.0 ± 0.2 0.5 ± 0.1
2.5 ± 0.2
(0.15)
Cathode (Si) Anode (Si) Cathode (InGaAs) Anode (InGaAs)
Center position accuracy of photosensitive area -0.3≤X≤+0.3 -0.3≤Y≤+0.3
KIRDA0243EA
0.5 8.0 2.5 3.3 2.5
KIRDC0119EA
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Two-color detector
K12728-010K
Temperature (°C)
Measured example of temperature profile with our hot-air reflow oven for product testing
300 260 °C max
250
200
150
100
50
0 0 50 100 150 200 250 300 350 400 450 500 550
Time (s)
KIRDC0120EA
∙ After unpacking, store the device in an environment at a temperature range of 5 to 30 °C and a humidity of 60% or less, and perform reflow soldering within 4 weeks.
∙ The thermal stress applied to the device during reflow soldering varies depending on the circuit board and the reflow oven that is used.
∙ When setting the reflow conditions, verify that the reliability of the device is not compromised by the reflow soldering process.
4
Two-color detector
Related information
www.hamamatsu.com/sp/ssd/doc_en.html
Precautions ∙ Notice ∙ Metal, ceramic, plastic packages
Technical information ∙ Infrared detector / Technical information
K12728-010K
Information described in this material is current as of August, 2014. Product specifications are subject to change without prior notice due to improvements or other reasons. This document has been carefully prepared and the information contained is believed to be accurate. In rare cases, however, there may be inaccuracies such as text errors. Before using these products, always contact us for the delivery specification sheet to check the latest specifications. The product warranty is valid for one year after delivery and is limited to product repair or replacement for defects discovered and reported to us within that one year period. However, even if within .