P H O T O D I O D E
InGaAs PIN photodiode
G8421/G8371/G5851 series
Long wavelength type
Features
Applications
Long cut-off wavelength: 1.9 µm
3-pin TO-18 package: low price
Optical power meter
Gas analyzer
Thermoelectrically cooled TO-18 package: low dark current
Active area: φ0.3 to φ3 mm
NIR (near infrared) photometry
Specifications / Absolute maximum ratings
ꢀ
Absolute maximum ratings
Thermistor TE-cooler Reverse Operating
power
Dimensional
outline/
Window
material
Active
area
Storage
allowable voltage temperature temperature
Type No.
Package
Cooling
dissipation
current
(A)
VR
(V)
Topr
(°C)
Tstg
(°C)
(mm)
f0.3
f0.5
f1
(mW)
G8421-03
G8421-05
G8371-01
G8371-03
G5851-103
G5851-11
G5851-13
G5851-203
G5851-21
G5851-23
TO-18
TO-5
TO-8
➀
➁
➂
Non-cooled
-
-
-40 to +85 -55 to +125
f3
f0.3
f1
2
One-stage
TE-cooled
1.5
1.0
f3
0.2
-40 to +70 -55 to +85
f0.3
f1
Two-stage
TE-cooled
TO-8
➃
f3
Electrical and optical characteristics (Typ. unless otherwise noted)
Measurement
ꢀ
Cut-off
frequency
fc
VR=1 V
RL=50 W
-3 dB
Terminal
capacitance
Ct
VR=1 V
f=1 MHz
Spectral
Peak
Photo
response sensitivity sensitivity
Shunt
Condition
Dark current
ID
VR=1 V
*
NEP
l=lp
resistance
Rsh
VR=10 mV
D
l=lp
range
l
wavelength
lp
S
l=lp
Element
temperature
Type No.
Typ.
(nA)
Max.
(nA)
(cm·Hz1/2/W) (W/Hz1/2)
(MHz)
(pF)
8
(°C)
25
(µm)
(µm)
1.75
(A/W)
(MW)
1.5
1
G8421-03
G8421-05
G8371-01
G8371-03
G5851-103
G5851-11
G5851-13
G5851-203
G5851-21
G5851-23
30
50
300
500
100
80
40
3
9 × 10-14
20
80
800
8
1.5 × 10-13
2 × 10-13
0.9 to 1.9
5 × 1011
100
1000
0.5
0.05
15
5
2000 20000
8 × 10-13
3 × 10-14
1.5 × 1012 6 × 10-14
2 × 10-13
2 × 10-14
2.5 × 1012 4 × 10-14
1.5 × 10-13
3
30
100
2000
15
100
40
3
1.1
-10
-20
0.9 to 1.87
0.9 to 1.85
10
80
800
8
200
1.5
5
0.5
35
10
1
100
40
3
50
80
800
100
1000
1
HAMAMATSU [ HAMAMATSU CORPORATION ]
