PDI-250-LC
OVERVIEW
PDI-250-LC is an InGaAs photodiode with an extended spectral range that is coupled to an optical fiber and packaged into a hermetic case
MAIN FEATURES
• Cut-off wavelength (-3 dB): >2150 nm
• Typical peak responsivity: 1.40 A/W
• Package types: coaxial with or without bracket
• Low back reflection <-50 dB
APPLICATIONS
• Optical fiber communication systems
• Spectroscopy
ORDERING INFORMATION
ABSOLUTE MAXIMUM RATINGS
Parameter
Value
Unit
Conditions
Photodiode reverse voltage
VR
1
V
Photodiode forward current
IF
1
mA
Operating temperature
Top
-40 ÷ +85
°C
Package U, B
Storage temperature
Tstg
-50 ÷ +85
°C
Soldering temperature
Tsold
260
°C
Max. 5 seconds
ELECTRICAL-OPTICAL CHARACTERISTICS (T = 25 °C)
Parameter
Min
Typ
Max
Unit
Conditions
Responsivity
Sλ
0.33
0.41
A/W
λ = 900 нм, VR = 0 В
0.74
0.92
λ = 1300 нм, VR = 0 В
0.87
1.09
λ = 1550 нм, VR = 0 В
1.20
λ = 1900 нм, VR = 0 В
Wavelength of peak responsivity
λ
1850
1950
2050
nm
Wavelength cut-off
λc
2150
-3 dB
Back reflection
RL
-50
dB
SM1, SM3
-40
MM5, MM6
Shunt impedance
400
800
kOhm
VR = 10 mV
Dark current
Id
0.2
1
μA
VR = 0.25 V
Peak specific detectivity
D*
2.9e11
cm √Hz / W
Peak NEP
NEP
7.8e-14
W / √Hz
Capacitance
C
40
pF
VR = 0 V
Forward voltage
VF
0.56
V
CHARACTERISTICS (T = 25 °C)