DATA SHEET
PHOTO DIODE
NR8800 Series
φ
80
μ
m InGaAs AVALANCHE PHOTO DIODE MODULE
FOR OTDR APPLICATIONS
DESCRIPTION
The NR8800 Series is an InGaAs avalanche photo diode module with multi mode fiber, and can be used in OTDR
systems.
FEATURES
• Small dark current
• Small terminal capacitance
• High sensitivity
• Detecting area size
I
D
= 7 nA
C
t
= 0.5 pF @ 0.9 V
(BR)R
S = 0.94 A/W @
λ
= 1 310 nm, M = 1
φ
80
μ
m
• Coaxial module with multi mode fiber (GI-62.5)
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all products and/or types are available in every country. Please check with an NEC Electronics
sales representative for availability and additional information.
Document No. PL10702EJ01V0DS (1st edition)
Date Published January 2008 NS
Printed in Japan
2008
NR8800 Series
PACKAGE DIMENSIONS (UNIT: mm)
FS
Optical Fiber
Length: 1 m MIN.
CS
φ
0.9
φ
3.2±0.2
3.5±0.5
Optical Fiber
Length: 1 m MIN.
φ
0.9
φ
3.2±0.2
3.5±0.5
11.2±1.0
0.5
4.0±0.5
24.7±1.0
4.0±0.5
1.2±0.2
4.0±0.2
10.5±1.0
2.2
3.2
φ
7.0±0.2
φ
7.0±0.2
φ
0.45±0.05
12.7±0.2
17.0±0.2
φ
0.45±0.05
16.0±0.2
PIN CONNECTIONS
3.7±0.3
P.C.D. =
φ
2.0
1.0±0.1
3
2
1
3
2
7.2±0.3
PIN CONNECTIONS
1
P.C.D. =
φ
2.0
4
–
R1.25±0.2
3
2
1
14.0±1.0
0.5±0.1
φ
2.2
14.0±1.0
25.4±1.0
φ
5.0±0.2
φ
5.0±0.2
3
2
1
1. Anode (Negative)
2. Cathode (Positive)
3. Case
7.0±0.2
35±2 mm
2–
φ
2.5
8.5±0.2
12.0±0.1
1. Anode (Negative)
2. Cathode (Positive)
3. Case
OPTICAL FIBER CHARACTERISTICS
Parameter
Specification
GI-62.5 Fiber
Core Diameter
Cladding Diameter
Maximum Cladding Noncircularity
Maximum Core/Cladding Concentricity
Outer Diameter
Minimum Fiber Bending Radius
Fiber Length
Flammability
62.5±3
125±2
2
4.0
0.9±0.1
30
1 000 MIN.
UL1581 VW-1
Unit
μ
m
μ
m
%
%
mm
mm
mm
Connector
Fiber Length: 1 000 mm MIN.
2
Data Sheet PL10702EJ01V0DS
8.99±0.5 mm
NR8800 Series
ORDERING INFORMATION
Part Number
NR8800FS-BB
NR8800FS-CB
NR8800CS-BB
NR8800CS-CB
Vertical Mount Flange
Flange Type
Flat Mount Flange
Fiber Type
GI-62.5 Fiber
Available Connector
With FC-SPC Connector
With SC-SPC Connector
With FC-SPC Connector
With SC-SPC Connector
ABSOLUTE MAXIMUM RATINGS
Parameter
Forward Current
Reverse Current
Operating Case Temperature
Storage Temperature
Lead Soldering Temperature
Relative Humidity (noncondensing)
Symbol
I
F
I
R
T
C
T
stg
T
sld
RH
Ratings
10
1.0
−40
to +85
−40
to +85
350 (3 sec.)
85
Unit
mA
mA
°C
°C
°C
%
Data Sheet P10702EJ01V0DS
3
NR8800 Series
ELECTRO-OPTICAL CHARACTERISTICS (T
C
= 25°C, unless otherwise specified)
Parameter
Reverse Breakdown Voltage
Temperature Coefficient of
Reverse Breakdown Voltage
Dark Current
Multiplied Dark Current
Terminal Capacitance
Sensitivity
Multiplication Factor
I
D
I
DM
C
t
S
M
V
R
= V
BR
×
0.9
M = 2 to 10
V
R
= V
BR
×
0.9, f = 1 MHz
λ
= 1 310 nm, M = 1
λ
= 1 310 nm, I
po
= 1.0
μ
A,
V
R
= V (@ I
D
= 1
μ
A)
Excess Noise Factor
*2
Symbol
V
BR
δ
*1
Conditions
I
D
= 100
μ
A
MIN.
50
TYP.
70
0.2
MAX.
100
Unit
V
%/°C
7
1
0.5
0.8
30
0.94
70
30
5
0.75
nA
nA
pF
A/W
x
F
λ
= 1 310 nm, I
po
= 1.0
μ
A,
M = 10, f = 35 MHz, B = 1 MHz
GI-62.5,
λ
= 1 310 nm
28
0.7
5
dB
Optical Return Loss
ORL
*1
δ
=
V
BR
(25°C +
Δ
T°C)
−
V
BR
(25°C)
Δ
T°C · V
BR
(25°C)
*2
F = M
X
4
Data Sheet PL10702EJ01V0DS
NR8800 Series
REFERENCE
Document Name
Opto-Electronics Devices Pamphlet
Document No.
PX10160E
Data Sheet P10702EJ01V0DS
5
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