PHOTODIODE
InGaAs PIN photodiode
G8370 series
Large active areas from φ1 to φ5 mm
InGaAs PIN photodiodes have large shunt resistance and feature very low noise. Hamamatsu provides various types of InGaAs PIN photodiodes
with active areas from φ1 to φ5 mm.
Features
l
Low noise, low dark current
l
Large active area
l
Various active area sizes available
Specifications / Absolute maximum ratings
■
Dimensional
Type No.
G8370-01
G8370-02
G8370-03
G8370-05
outline/
Window
material *
1
/K TO-18
➀
/K TO-5
➁
/K TO-8
➂
Package
Applications
l
Laser monitor
l
Optical power meter
l
Laser diode life test
Absolute maximum ratings
Active area
(mm) (V) (°C) (°C)
1
φ
2
φ
3
φ
5
φ
Reverse
voltage
VR Max.
10
5
2
Operating
temperature
Topr
-40 to +85 -55 to +125
temperature
Storage
Tstg
Electrical and optical characteristics (Typ. Ta=25 °C, unless otherwise noted)
■
Cut-off
D
Max.
(nA)
frequency
fc
=1 V
V
R
=50
R
L
-3 dB
(MHz) (pF)
2
35 *
455025
2 1000 10
0.6 3500 3
Spectral
response
Type No.
G8370-01 1 *25 *
G8370-02 525
G8370-03 15 75
G8370-05
*1: Window material K: borosilicate glass with anti-reflective coating (optimized for 1.55 µm peak)
=5 V
*2: V
R
range
(µm) (µm)
0.9 to 1.7 1.55 0.9 0.95
Peak
se nsitivity
wavelength
p
λ
Photo
sensitivity
1.3 µm
(A/W)
S
λ=λ
(A/W)
p
Dark
current
I
VR=1 V
Typ.
(nA)
25 125
Ω
2
Terminal
capacitance
Ct
=1 V
V
R
f=1 MHz
2
90 *
Shunt
resistance
Rsh
=10 mV
V
R
(MΩ)
100 2 × 10
D
λ=λ
(cm ·Hz
5 × 10
∗
p
1/2
/W )
12
NEP
λ=λ
(W/Hz
4 × 10
6 × 10
1 × 10
p
1/2
)
-14
-14
-14
-13
1
InGaAs PIN photodiode
G8370 series
■ Spectral response
1
0.5
(Typ. Ta=25 ˚C)
■ Photo sensitivity temperature characteristic
2
1
0
PHOTO SENSITIVITY (A/W)
TEMPERATURE COEFFICIENT (%/˚C)
0.8 1.0 1.2 1.4 1.6 1.8
0.6
WAVELENGTH (µm)
2.0
KIRDB0002EB KIRDB0042EA
-1
1.0 1.2 1.4 1.6 1.80.8
WAVELENGTH (µm)
■ Photo sensitivity linearity ■ Dark current vs. reverse voltage
(Typ. Ta=25 ˚C)
102
100
98
96
94
RELATIVE SENSITIVITY (%)
92
90
02 6 1012 16
(Typ. Ta=25 ˚C, λ=1.3 µm, R
G8370-05
48 14
L=2 Ω, VR=0 V)
G8370-01
G8370-02
INCIDENT LIGHT LEVEL (mW)
G8370-03
1 µA
100 nA
10 nA
1 nA
G8370-05
(Typ. Ta=25 ˚C)
G8370-03
G8370-02
DARK CURRENT
100 pA
10 pA
0.01 0.1 1 10 100
G8370-01
REVERSE VOLTAGE (V)
KIRDB0245EA KIRDB0246EA
2