PHOTODIODE
InGaAs PIN photodiode
G8421/G8371/G5851 series
Long wavelength type
Features
Applications
l
Long cut-off wavelength: 1.9 µm
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Optical power meter
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3-pin TO-18 package: low price
l
Gas analyzer
l
Thermoelectrically cooled TO-18 package: low dark current
l
NIR (near infrared) photometry
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Active area:
φ0.3
to
φ3
mm
Accessories (Optional)
s
Specifications / Absolute maximum ratings
Di mensional
outline/
Package
Window
material
➀
➁
➂
Active
area
(mm)
φ0.3
φ0.5
φ1
φ3
φ0.3
φ1
φ3
φ0.3
φ1
φ3
l
Heatsink for one-stage TE-cooled type A3179
l
Heatsink for two-stage TE-cooled type A3179-01
l
Temperature controller for TE-cooled type C1103-04
Thermistor
power
dissipation
(mW)
Absolute maximum ratings
Storage
TE-cooler Reverse Operating
allowable voltage temperature temperature
V
R
Topr
Tstg
current
(A)
(V)
(°C)
(°C)
Type No.
Cooling
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
Non-cooled
-
-
-40 to +85
-55 to +125
One-stage
TE-cooled
Two-stage
TE-cooled
1.5
0.2
1.0
2
-40 to +70
-55 to +85
➃
TO-8
s
Electrical and optical characteristics (Typ. unless otherwise noted)
M easure ment
Peak
Spectral
Photo
Condition
response sensitivity sensitivity
wavelength
S
range
Element
temperature
λp
λ=λp
λ
(°C)
G8421-03
G8421-05
G8371-01
G8371-03
G5851-103
G5851-11
G5851-13
G5851-203
G5851-21
G5851-23
25
(µm)
0.9 to 1.9
(µm)
Min. Typ.
(A/W) (A/W)
Dark current
I
D
V
R
=1 V
Typ.
(nA)
30
50
100
2000
3
10
200
1.5
5
100
Cut-off
frequency
fc
V
R
=1 V
R
L
=50
Ω
-3 dB
Max.
(MHz)
(nA)
300
100
500
80
1000
40
20000
3
30
100
100
40
2000
3
15
100
50
40
1000
3
Terminal
capacitance Shunt
resistance
Ct
Rsh
V
R
=1 V V
R
= 10 m V
f=1 MHz
(pF)
8
20
80
800
8
80
800
8
80
800
(MΩ)
1.5
1
0.5
0.05
15
5
0.5
35
10
1
D
∗
λ=λp
NEP
λ=λp
Type No.
-10
0.9 to 1.87
1.75
0.9
1.1
-20
0.9 to 1.85
(c m· Hz
1/2
/ W) (W/Hz
1/2
)
9 × 10
-14
1.5 × 10
-13
5 × 10
11
2 × 10
-13
8 × 10
-13
3 × 10
-14
1.5 × 10
12
6 × 10
-14
2 × 10
-13
2 × 10
-14
2.5 × 10
12
4 × 10
-14
1.5 × 10
-13
G8421/G8371/G5851 series may be damaged by Electro Static Discharge, etc. Be carefull when using
G8421/G8371/G5851 series.
1
HAMAMATSU [ HAMAMATSU CORPORATION ]
