DATA SHEET
PHOTO DIODE
NDL5421P Series
1 000 to 1 600 nm OPTICAL FIBER COMMUNICATIONS φ 50 μm InGaAs PIN PHOTO DIODE MODULE
DESCRIPTION
NDL5421P Series is an InGaAs PIN photo diode module with multimode fiber. It is designed for 2.5Gb/s optical fiber communication systems and covers the wavelength range between 1 000 and 1 600 nm with high efficiency.
FEATURES
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Small dark current |
ID = 0.1 nA |
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High quantum efficiency |
η = 86 % @ λ = 1 300 nm |
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η = 75 % @ λ = 1 550 nm |
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Detecting area size |
φ 50 μm |
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Low operating voltage |
VR = 5 V |
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Low terminal capacitance |
Ct = 0.7 pF @ f = 1.0 MHz, VR = 5 V |
• |
High speed response |
fC = 2.5 GHz min. |
• |
Coaxial module with multimode fiber (GI-50/125) or optional siglemode fiber (SM-9/125) |
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PACKAGE DIMENSIONS |
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in millimeters |
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NDL5421P |
NDL5421P1 |
NDL5421P2 |
Optical Fiber: |
Optical Fiber: |
Optical Fiber: |
GI-50/125 |
GI-50/125 |
GI-50/125 |
Length: 1 m MIN. |
Length: 1 m MIN. |
Length: 1 m MIN. |
Shrunk tube |
Shrunk tube |
Shrunk tube |
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φ2.5 |
30.0 MAX. |
6.9±0.3 |
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φ6.0+0.0–0.1 |
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φ0.45 |
MIN. |
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12.5 |
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+0.0 –0.1 |
2 |
3 1 |
3.0±0.3 |
6.0 |
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φ 2.0 |
6.9±0.3 |
3.9±0.5 |
2–φ2.2
φ2.5 |
MAX. |
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14.0±0.1 |
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φ6.0 |
+0–0..10 |
30.0 |
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12.5 MIN. 4.0±0.1 |
7.0±0.3 |
1.5 |
2 3 |
1 |
4.0±0.3 |
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φ 2.0 |
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18.0±0.1 |
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PIN CONNECTIONS |
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1 |
Anode (Negative) |
3 |
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2 |
Cathode (Positive) 2 |
1 |
3 Case
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φ6.0 |
+0.0 |
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–0.1 |
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2.5±0.1 |
0.5±0.1 |
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φ2.5 |
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30.0 MAX. |
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12.5 MIN. |
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2–φ2.5 |
2 3 |
1 |
7.0±0.15 |
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φ 2.0 |
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12.0±0.1 |
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16.0±0.2 |
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The information in this document is subject to change without notice.
Document No. P10262EJ2V0DS00 (2nd edition) Date Published June 1996 P
Printed in Japan
The mark • shows major revised points.
© 1995
NDL5421P Series
•ORDERING INFORMATION
Part Number |
Available Connector |
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Description |
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NDL5421P |
Without Connector |
GI-50/125 |
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No Flange |
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NDL5421PC |
With FC-PC Connector |
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NDL5421PD |
With SC-PC Connector |
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NDL5421PS |
Without Connector |
SM-9/125 |
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NDL5421PSC |
With FC-PC Connector |
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NDL5421PSD |
With SC-PC Connector |
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NDL5421P1 |
Without Connector |
GI-50/125 |
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Flat Mount Flange |
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NDL5421P1C |
With FC-PC Connector |
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NDL5421P1D |
With SC-PC Connector |
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NDL5421P1S |
Without Connector |
SM-9/125 |
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NDL5421P1SC |
With FC-PC Connector |
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NDL5421P1SD |
With SC-PC Connector |
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NDL5421P2 |
Without Connector |
GI-50/125 |
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Vertical Flange |
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NDL5421P2C |
With FC-PC Connector |
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NDL5421P2D |
With SC-PC Connector |
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NDL5421P2S |
Without Connector |
SM-9/125 |
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NDL5421P2SC |
With FC-PC Connector |
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NDL5421P2SD |
With SC-PC Connector |
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ABSOLUTE MAXIMUM RATINGS (TC = 25 °C, unless otherwise specified)
Parameter |
Symbol |
Ratings |
Unit |
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Reverse Voltage |
VR |
20 |
V |
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Forward Current |
IF |
10 |
mA |
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Optical Input Power |
Pin |
8 |
mW |
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Operating Case Temperature |
TC |
−40 to +85 |
°C |
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Storage Temperature |
Tstg |
−40 to +85 |
°C |
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ELECTRO-OPTICAL CHARACTERISTICS (TC = 25 °C, unless otherwise specified)
Parameter |
Symbol |
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Conditions |
MIN. |
TYP. |
MAX. |
Unit |
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Dark Current |
ID |
VR = 5 |
V |
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0.1 |
1.0 |
nA |
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Terminal Capacitance |
Ct |
VR = 5 |
V, f = 1.0 MHz |
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0.7 |
0.9 |
pF |
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Quantum Efficiency |
η |
λ = 1 300 nm |
75 |
86 |
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% |
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λ = 1 550 nm |
64 |
75 |
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Responsivity |
S |
λ = 1 300 nm |
0.78 |
0.89 |
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A/W |
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λ = 1 550 nm |
0.80 |
0.94 |
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Cut-off Frequency |
fC |
VR = 5 |
V, RL = 50 Ω, λ = 1 300 nm |
2.5 |
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GHz |
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2
NDL5421P Series
TYPICAL CHARACTERISTICS (TC = 25 °C, unless otherwise specified) |
• |
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WAVELENGTH DEPENDENCE |
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100 |
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OF QUANTUM EFFICIENCY |
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(%) |
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80 |
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η |
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Efficiency |
60 |
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Quantum |
40 |
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20 |
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0 |
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0.9 |
1.0 |
1.1 |
1.2 |
1.3 |
1.4 |
1.5 |
1.6 |
1.7 |
Wavelength λ ( μm)
REVERSE VOLTAGE DEPENDENCE
OF DARK CURRENT
10
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1.0 |
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TC = 75 ˚C |
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(nA) |
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50 ˚C |
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25 ˚C |
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ID |
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Current |
0.1 |
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Dark |
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0 ˚C |
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–25 ˚C |
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0.01 |
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0.001 |
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0 |
10 |
20 |
Reverse Voltage VR (V)
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TEMPERATURE DEPENDENCE |
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(%) |
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OF RESPONSIVITY |
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10 |
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S/S |
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λ = 1 300 nm |
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Value) |
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(Relative |
0 |
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Responsivity |
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–10 |
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–40 |
–20 |
0 |
20 |
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40 |
60 |
80 |
100 |
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–60 |
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Case Temperature TC (˚C)
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TEMPERATURE DEPENDENCE |
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101 |
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OF DARK CURRENT |
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(nA)ID |
100 |
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VR = 5 V |
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Current |
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10–1 |
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10–2 |
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10–3 |
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–40 |
–20 |
0 |
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Case Temperature TC (˚C) |
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REVERSE VOLTAGE DEPENDENCE |
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2 |
OF TERMINAL CAPACITANCE |
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Ct (pF) |
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f = 1.0 MHz |
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Capacitance |
1 |
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Terminal |
0.5 |
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0.3 |
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0.1 |
0.3 |
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1 |
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3 |
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10 |
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Reverse Voltage VR (V)
3