DATA SHEET
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
PHOTO DIODE
NR8800FS-CB
φ
80
μ
m InGaAs AVALANCHE PHOTO DIODE MODULE
FOR OTDR APPLICATIONS
Document No. PL10702EJ03V0DS (3rd edition)
Date Published January 2010 NS
Printed in Japan The mark <R> shows major revised points.
The revised points can be easily searched by copying an "<R>" in the PDF file and specifying it in the "Find what:" field.
DESCRIPTION
The NR8800FS-CB is an InGaAs avalanche photo diode module with multi mode fiber, and can be used in OTDR
systems.
FEATURES
• Small dark current ID = 7 nA
• Small terminal capacitance Ct = 0.5 pF @ 0.9 V(BR)R
• High sensitivity S = 0.94 A/W @ λ = 1 310 nm, M = 1
• Detecting area size
φ
80
μ
m
• Coaxial module with multi mode fiber (GI-62.5)
Data Sheet PL10702EJ03V0DS
2
NR8800FS-CB
PACKAGE DIMENSIONS (UNIT: mm)
P.C.D. = 2.0
φ
1.0±0.1
7.2±0.3
3.7±0.3
5.0±0.2
φ
3.2±0.2
φ
7.0±0.2
φ
2.2
3.2
10.5±1.0
4.0±0.5
24.7±1.0
2.2
φ
14.0±1.0
12.7±0.2
17.0±0.2
0.9
φ
4.0±0.2
0.45±0.05
φ
1
2
3
1. Anode (Negative)
2. Cathode (Positive)
3. Case
1.2±0.2
PIN CONNECTIONS
Optical Fiber
Length: 1 m MIN.
1
2
3
3.5±0.5
OPTICAL FIBER CHARACTERISTICS
Specification UnitParameter
GI-62.5 Fiber
Core Diameter 62.5±3
μ
m
Cladding Diameter 125±2
μ
m
Maximum Cladding Noncircularity 2 %
Maximum Core/Cladding Concentricity 4.0 %
Outer Diameter 0.9±0.1 mm
Minimum Fiber Bending Radius 30 mm
Fiber Length 1 000 MIN. mm
Flammability UL1581 VW-1
Connector
Fiber Length: 1 000 mm MIN.
35±2 mm
8.99±0.5 mm
Data Sheet PL10702EJ03V0DS 3
NR8800FS-CB
ORDERING INFORMATION
Part Number Flange Type Fiber Type Available Connector
NR8800FS-CB Flat Mount Flange GI-62.5 Fiber With SC-SPC Connector
ABSOLUTE MAXIMUM RATINGS
Parameter Symbol Ratings Unit
Forward Current IF10 mA
Reverse Current IR1.0 mA
Operating Case Temperature TC −40 to +85 °C
Storage Temperature Tstg −40 to +85 °C
Lead Soldering Temperature Tsld 350 (3 sec.) °C
Relative Humidity (noncondensing) RH 85 %
Data Sheet PL10702EJ03V0DS
4
NR8800FS-CB
ELECTRO-OPTICAL CHARACTERISTICS (TC = 25°C, unless otherwise specified)
Parameter Symbol Conditions MIN. TYP. MAX. Unit
Reverse Breakdown Voltage VBR ID = 100
μ
A 50 70 100 V
Temperature Coefficient of
Reverse Breakdown Voltage
δ*1 0.2 %/°C
Dark Current ID VR = VBR × 0.9 7 30 nA
Multiplied Dark Current IDM M = 2 to 10 1 5 nA
Terminal Capacitance Ct VR = VBR × 0.9, f = 1 MHz 0.5 0.75 pF
Sensitivity S λ= 1 310 nm, M = 1 0.8 0.94 A/W
Multiplication Factor M λ= 1 310 nm, Ipo = 1.0
μ
A, 30 70
VR = V (@ ID = 1
μ
A)
Excess Noise Factor*2 x λ= 1 310 nm, Ipo = 1.0
μ
A, 0.7
F M = 10, f = 35 MHz, B = 1 MHz 5
Optical Return Loss ORL GI-62.5, λ = 1 310 nm 28 dB
*1 δ =
*2 F = MX
VBR (25°C +
Δ
T°C) − VBR (25°C)
Δ
T°C · VBR (25°C)
Data Sheet PL10702EJ03V0DS 5
NR8800FS-CB
TYPICAL CHARACTERISTICS (TC = 25°C, unless otherwise specified)
WAVELENGTH DEPENDENCE
Wavelength λ ( m)
μ
Quantum Efficiency (%)
η
OF QUANTUM EFFICIENCY
Reverse Voltage V
R
(V)
Dark Current, Photo Current I
D
, l
ph
(A)
DARK CURRENT, PHOTO CURRENT
vs. REVERSE VOLTAGE
MULTIPLICATION FACTOR vs.
REVERSE VOLTAGE
Reverse Voltage V
R
(V)
Multiplication Factor M
100
80
60
40
20
0
0.9 1.0 1.1 1.31.2 1.4 1.5 1.6 1.7
λ= 1 310 nm,
I
po
= 1.0 A
μ
I
ph
I
D
0 20 40 60 10080
10
–9
10
–8
10
–7
10
–6
10
–5
10
–4
10
–3
10
–10
Reverse Voltage V
R
(V)
Dark Current I
D
(A)
DARK CURRENT vs. REVERSE VOLTAGE
λ= 1 310 nm,
I
po
= 1.0 A
μ
λ= 1 310 nm,
I
po
= 1.0 A
μ
0 20 40 60 10080
10
–9
10
–8
10
–7
10
–6
10
–5
10
–4
10
–3
10
–10
–20°C
+25°C
T
C
= +85°C
1 000
100
10
1020 40 60 80 100
T
C
= +85°C
–20°C
+25°C
Remark The graphs indicate nominal characteristics.
<R>
Data Sheet PL10702EJ03V0DS
6
NR8800FS-CB
REFERENCE
Document Name Document No.
Opto-Electronics Devices Pamphlet PX10160E
NR8800FS-CB
SAFETY INFORMATION ON THIS PRODUCT
Caution GaAs Products This product uses gallium arsenide (GaAs).
GaAs vapor and powder are hazardous to human health if inhaled or ingested, so please observe
the following points.
• Follow related laws and ordinances when disposing of the product. If there are no applicable laws
and/or ordinances, dispose of the product as recommended below.
1. Commission a disposal company able to (with a license to) collect, transport and dispose of
materials that contain arsenic and other such industrial waste materials.
2. Exclude the product from general industrial waste and household garbage, and ensure that the
product is controlled (as industrial waste subject to special control) up until final disposal.
• Do not burn, destroy, cut, crush, or chemically dissolve the product.
• Do not lick the product or in any way allow it to enter the mouth.
Caution Optical Fiber A glass-fiber is attached on the product. Handle with care.
•When the fiber is broken or damaged, handle carefully to avoid injury from the damaged part
or fragments.
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