The information in this document is subject to change without notice.
PHOTO DIODE
NDL5421P Series
1 000 to 1 600 nm OPTICAL FIBER COMMUNICATIONS
50
m InGaAs PIN PHOTO DIODE MODULE
DATA SHEET
The mark
shows major revised points.
1995
Document No. P10262EJ2V0DS00 (2nd edition)
Date Published June 1996 P
Printed in Japan
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
Small dark current I
D
= 0.1 nA
High quantum efficiency
= 86 % @
= 1 300 nm
= 75 % @
= 1 550 nm
Detecting area size
50
m
Low operating voltage V
R
= 5 V
Low terminal capacitance C
t
= 0.7 pF @ f = 1.0 MHz, V
R
= 5 V
High speed response f
C
= 2.5 GHz min.
Coaxial module with multimode fiber (GI-50/125) or optional siglemode fiber (SM-9/125)
2
3
1
2.0
6.0
3.00.3
0.45
6.0
6.90.3
12.5 MIN.
30.0 MAX.
2.5
Shrunk tube
Shrunk tube
Shrunk tube
Optical Fiber:
GI-50/125
Length: 1 m MIN.
NDL5421P
PIN CONNECTIONS
1 Anode (Negative)
2 Cathode (Positive)
3 Case
3
1
2
12.5 MIN.
30.0 MAX.
2.5
Optical Fiber:
GI-50/125
Length: 1 m MIN.
NDL5421P1
14.00.1
6.0
6.90.3
3.90.5
2 2.2
4.00.1
18.00.1
1.5
2
3
1
6.0
12.5 MIN.
30.0 MAX.
2.5
Optical Fiber:
GI-50/125
Length: 1 m MIN.
NDL5421P2
12.00.1
16.00.2
7.00.15
2 2.5
0.50.1
2.50.1
+0.0
0.1
+0.0
0.1
+0.0 0.1
+0.0
0.1
2
3
1
2.0
2.0
7.00.3
4.00.3
PACKAGE DIMENSIONS
in millimeters
2
NDL5421P Series
ORDERING INFORMATION
Part Number
Available Connector
Description
NDL5421P
Without Connector
GI-50/125
No Flange
NDL5421PC
With FC-PC Connector
NDL5421PD
With SC-PC Connector
NDL5421PS
Without Connector
SM-9/125
NDL5421PSC
With FC-PC Connector
NDL5421PSD
With SC-PC Connector
NDL5421P1
Without Connector
GI-50/125
Flat Mount Flange
NDL5421P1C
With FC-PC Connector
NDL5421P1D
With SC-PC Connector
NDL5421P1S
Without Connector
SM-9/125
NDL5421P1SC
With FC-PC Connector
NDL5421P1SD
With SC-PC Connector
NDL5421P2
Without Connector
GI-50/125
Vertical Flange
NDL5421P2C
With FC-PC Connector
NDL5421P2D
With SC-PC Connector
NDL5421P2S
Without Connector
SM-9/125
NDL5421P2SC
With FC-PC Connector
NDL5421P2SD
With SC-PC Connector
ABSOLUTE MAXIMUM RATINGS (T
C
= 25
C, unless otherwise specified)
Parameter
Symbol
Ratings
Unit
Reverse Voltage
V
R
20
V
Forward Current
I
F
10
mA
Optical Input Power
P
in
8
mW
Operating Case Temperature
T
C
-
40 to +85
C
Storage Temperature
T
stg
-
40 to +85
C
ELECTRO-OPTICAL CHARACTERISTICS (T
C
= 25
C, unless otherwise specified)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Dark Current
I
D
V
R
= 5 V
0.1
1.0
nA
Terminal Capacitance
C
t
V
R
= 5 V, f = 1.0 MHz
0.7
0.9
pF
Quantum Efficiency
= 1 300 nm
75
86
%
= 1 550 nm
64
75
Responsivity
S
= 1 300 nm
0.78
0.89
A/W
= 1 550 nm
0.80
0.94
Cut-off Frequency
f
C
V
R
= 5 V, R
L
= 50
,
= 1 300 nm
2.5
GHz
3
NDL5421P Series
TYPICAL CHARACTERISTICS (T
C
= 25
C, unless otherwise specified)
WAVELENGTH DEPENDENCE
OF QUANTUM EFFICIENCY
100
80
60
40
20
0
0.9
1.0
1.1
1.3
1.2
1.4
1.5
1.6
1.7
Wavelength
( m)
Quantum Efficiency
(%)
REVERSE VOLTAGE DEPENDENCE
OF DARK CURRENT
10
1.0
0.1
0.01
0.001
Dark Current I
D
(nA)
0
10
20
Reverse Voltage V
R
(V)
50 C
25 C
25 C
0 C
T
C
= 75 C
10
0
10
60
40
20
0
20
Case Temperature T
C
(C)
= 1 300 nm
40
60
80
100
TEMPERATURE DEPENDENCE
OF RESPONSIVITY
Responsivity (Relative Value)
S/S (%)
10
1
10
0
10
1
10
2
10
3
60
40
20
0
20
40
60
80
100
Case Temperature T
C
(C)
Dark Current I
D
(nA)
TEMPERATURE DEPENDENCE
OF DARK CURRENT
V
R
= 5 V
REVERSE VOLTAGE DEPENDENCE
OF TERMINAL CAPACITANCE
f = 1.0 MHz
2
1
0.5
0.3
Terminal Capacitance C
t
(pF)
1
3
10
0.1
0.3
Reverse Voltage V
R
(V)
4
NDL5421P Series
V
R
= 5 V
= 1 300 nm
P
in
=
-
10 dBm
R
L
= 50
12
9
6
3
0
-
3
-
6
-
9
-
12
-
15
0
2.5
FREQUENCY RESPONSE
Frequency f (GHz)
Response (dB)
5.0
5
NDL5421P Series
HANDLING PRECAUTION for PD/APD MODULE
The NEC PD/PAD module has heat shrink tubing to protect the ferrule edge (*1) and the junction between the
ferrule and the module body (*2). In order to avoid breaking the fiber and/or optical coupling degradation, NEC
recommends the following handling precautions.
1. Do not make the fiber bend radius less than 30 mm (*3).
2. Do not bend the fiber within the 18 mm section from the module body (*4).
3. Do not stress the ferrule with a lateral force exceeding 500 g (*5).
18 mm min. (*4)
(*1)
(*2)
ferrule (*5)
module body
fiber
30 mm min (*3)
6
NDL5421P Series
InGaAs APD/PD FAMILY
Features
APD
PIN-PD
Packages
30
m
(for 2.5 Gb/s)
50
m
(for 2.5 Gb/s)
50
m
80
m
50
m
(for 2.5 Gb/s)
80
m
Remarks
TO-18 type Can
NDL5530
NDL5500
NDL5510
3 pins
TO-18 type Can
with Micro Lens
NDL5490L
*3,4
NDL5405L
3 pins
Small Can
5.6
m
NDL5531
NDL5490
*3,4
Chip on Carrier
NDL5530C
NDL5520C
NDL5500C
NDL5510C
Receptacle Module
NDL5471RC
NDL5471RD
3 pins
RC: FC receptacle
RD: SC receptacle
Coaxial Module with
MMF
NDL5521P
NDL5521P1
NDL5521P2
NDL5551P
NDL5551P1
NDL5551P2
NDL5553P
*1
NDL5553P1
*1
NDL5553P2
*1
NDL5590P
NDL5590P1
NDL5590P2
NDL5561P
*2
NDL5561P1
*2
NDL5561P2
*2
NDL5421P
NDL5421P1
NDL5421P2
NDL5461P
NDL5461P1
NDL5461P2
P1, P2: With flange
NDL5590P Series: With
Pre-AMP
Coaxial Module with
SMF
NDL5531P
NDL5531P1
NDL5531P2
NDL5553PS
*1
NDL5553P1S
*1
NDL5553P2S
*1
NDL5481P
*5
NDL5481P1
*5
NDL5481P2
*5
14-pin DIP Module
with TEC
NDL5506P
NDL5506PS
T = 45 K (@ Ic = 1.1 A)
PS: With SMF
6-pin BFY Module
with MMF
NDL5522P
NDL5422P
With Pre-AMP
*1
For OTDR
*2
With GI-62.5/125
*3
Under development
*4
Internal pre-amplifier for 1Gb/s
*5
For analog application (optical CATV)
Remark
Modules are available with FC-PC connector or optional SC-PC connector.
7
NDL5421P Series
REFERENCE
Document Name
Document No.
NEC semiconductor device reliability/quality control system
LEI-1201
Quality grade on NEC semiconductor devices
IEI-1209
Semiconductor device mounting technology manual
C10535E
Guide to quality assurance for semiconductor devices
MEI-1202
Semiconductor selection guide
X10679E
NDL5421P Series
CAUTION
Within this device there exists GaAs (Gallium Arsenide) material which is a
harmful substance if ingested. Please do not under any circumstances break the
hermetic seal.
The export of this product from Japan is prohibited without governmental license. To export or re-export this product from
a country other than Japan may also be prohibited without a license from that country. Please call an NEC sales
representative.
No part of this document may be copied or reproduced in any form or by any means without the prior written
consent of NEC Corporation. NEC Corporation assumes no responsibility for any errors which may appear in this
document.
NEC Corporation does not assume any liability for infringement of patents, copyrights or other intellectual
property rights of third parties by or arising from use of a device described herein or any other liability arising
from use of such device. No license, either express, implied or otherwise, is granted under any patents,
copyrights or other intellectual property rights of NEC Corporation or others.
While NEC Corporation has been making continuous effort to enhance the reliability of its semiconductor devices,
the possibility of defects cannot be eliminated entirely. To minimize risks of damage or injury to persons or
property arising from a defect in an NEC semiconductor device, customers must incorporate sufficient safety
measures in its design, such as redundancy, fire-containment, and anti-failure features.
NEC devices are classified into the following three quality grades:
"Standard", "Special", and "Specific". The Specific quality grade applies only to devices developed based on
a customer designated "quality assurance program" for a specific application. The recommended applications
of a device depend on its quality grade, as indicated below. Customers must check the quality grade of each
device before using it in a particular application.
Standard: Computers, office equipment, communications equipment, test and measurement equipment,
audio and visual equipment, home electronic appliances, machine tools, personal electronic
equipment and industrial robots
Special: Transportation equipment (automobiles, trains, ships, etc.), traffic control systems, anti-disaster
systems, anti-crime systems, safety equipment and medical equipment (not specifically designed
for life support)
Specific: Aircrafts, aerospace equipment, submersible repeaters, nuclear reactor control systems, life
support systems or medical equipment for life support, etc.
The quality grade of NEC devices is "Standard" unless otherwise specified in NEC's Data Sheets or Data Books.
If customers intend to use NEC devices for applications other than those specified for Standard quality grade,
they should contact an NEC sales representative in advance.
Anti-radioactive design is not implemented in this product.
M4 96. 5
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