Datasheet NX7460LE-BA, NX7460LE-CA, NX7460LE Datasheet (NEC)

DATA SHEET

LASER DIODE

NX7460LE

1 480 nm EDFA APPLICATION

InGaAsP STRAINED MQW DC-PBH LASER DIODE MODULE

DESCRIPTION

The NX7460LE is a 1 480 nm pumping laser diode module with optical isolator for an EDFA (Er Doped optical
Fiber Amplifier) that can expand the transmission span and compensate optical losses. It has a strained Multiple
Quantum Well (st-MQW) DC-PBH laser diode that features high output power, high efficiency, and stable
fundamental mode.

FEATURES

• InGaAsP strained MQW DC-PBH laser diode

• High output power Pf = 120 mW MIN. @ IF = 550 mA CW

• Internal optical isolator, thermoelectric cooler and InGaAs monitor photo diode

• Hermetically sealed 14-pin butterfly package

• Single mode fiber pigtail

• Wide operating temperature range TC = 0 to +65 °C

+1.0

–0.0

1.25

13.3

8.89±0.13

4.0±0.15

5.6

8.2±0.2

0.30

1.0

15.24

2.54

7

8

0.5

20.83±0.13

26.04±0.13

29.97±0.25

14

4– 2.67

22.3

1

Optical Fiber (SMF)
Length: 1 m MIN.

PACKAGE DIMENSIONS

in millimeters

φ

0.9

6.0

12.7±0.15

5.15

Pin No.

1
2
3
4
5
6
7

TOP VIEW

#7

Case

PD

LD

#8

PIN CONNECTIONS

Function

Cooler Anode
Thermistor
PD Anode
PD Cathode
Case Ground
NC
NC

Thermistor

Pin No.

8
9

10
11

12
13
14

#1

+

Cooler

–

#14

Function

NC
NC
LD Anode,
Case Ground
LD Cathode
NC
Case Ground
Cooler Cathod

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 devices/types available in every country. Please check with local NEC representative for
availability and additional information.

Document No. P14127EJ2V0DS00 (2nd edition)
Date Published September 1999 NS CP(K)
Printed in Japan

The mark

••••

shows major revised points.

©

1999

ORDERING INFORMATION

Part Number Available Connector
NX7460LE Without Connector
NX7460LE-BA With FC-PC Connector
NX7460LE-CA With SC-PC Connector

ABSOLUTE MAXIMUM RATINGS (TC = 25 °C, unless otherwise specified)

Parameter Symbol Ratings Unit

NX7460LE

Forward Current of LD I
Reverse Voltage of LD V
Forward Current of PD I
Reverse Voltage of PD V
Operating Case Temperature T
Storage Temperature T

Lead Soldering Temperature (10 s)

F

R

F

R

C

stg

sld

T

700 mA

2.0 V
10 mA
20 V

–20 to +65 °C
–40 to +85 °C

260 °C

ELECTRO-OPTICAL CHARACTERISTICS (TLD = 25 °C, TC = 0 to +65 °C)

Parameter Symbol Conditions MIN. TYP. MAX. Unit
Threshold Current I
Forward Voltage V
Optical Output Power from Fiber P
Center Wavelength
Spectrum Width
Isolation I

th

CW 25 35 mA

F

IF = 550 mA 2.2 2.7 V

f

IF = 550 mA 120 140 mW

λ

C

IF = 550 mA, RMS (–20 dB) 1 470 1 480 1 490 nm

σ

IF = 550 mA, RMS (–20 dB) 4.0 8.0 nm

S

1 470 nm to 1 490 nm 20 dB

2

Data Sheet P14127EJ2V0DS00

ELECTRO-OPTICAL CHARACTERISTICS
(Applicable to Monitor PD: T

Parameter Symbol Conditions MIN. TYP. MAX. Unit

LD

= 25 °C, TC = 0 to +65 °C)

NX7460LE

Monitor Current I
Monitor Dark Current I
Tracking Error

f

γ = 10 log

*1

P

120 mW

m

VR = 5 V, IF = 550 mA 500 1 000 1 500

D

VR = 5 V 2.0 10 nA

*1

γ

Im = const. 0.5 dB

P

f

(mW)

X

f

P

0I

ELECTRO-OPTICAL CHARACTERISTICS
(Applicable to Thermistor and TEC: T

Parameter Symbol Conditions MIN. TYP. MAX. Unit

LD

= 25 °C, TC = 0 to +65 °C)

m

f

(25 ˚C) = 120 mW)

(@P

TLD = TC = 25 ˚C

T

LD

= 25 ˚C

C

= 0 to +65 ˚C

T

I

m

µ

A

Thermistor Resistanc e R TLD = 25 °C 9.5 10.0 10.5 k
B Constant B 3 300 3 400 3 500 K

∆

Cooler Current I
Cooler Voltage V
Cooling Capacity

*1

∆

T = TC – T

LD

C

T = 40 K 1.0 1.25 A

∆

C

T = 40 K 3.5 4.3 V

*1

∆

T

IC = 1.25 A, IF = 660 mA 40 K

Ω

Data Sheet P14127EJ2V0DS00

3

TYPICAL CHARACTERISTICS (TC = 25 °C)

OPTICAL OUTPUT POWER FROM FIBER vs.
FORWARD CURRENT

150

(mW)

f

100

50

Optical Output Powr from Fiber P

0 300 600

F

Forward Current I

(mA)

NX7460LE

LONGITUDINAL MODE

Relative Intensity (10 dB/div.)

1 480 1 5301 430

Wavelength λ (nm)

Remark

The graphs indicate nominal characteristics.

4

Data Sheet P14127EJ2V0DS00

LD FAMILY FOR DENSE WDM APPLICATION

Absolute Maximum Rat i ngs Typical Characteristi cs

Part Number

T

(°C)

C

stg

T

(°C)

th

I

(mA)
TYP. MIN. TYP.

f

P

(mW)

λ

C

(nm)

NX7460LE

Description Package

NDL7540PA

−

20 to +65

NX7460LE 0 to +65

NX8501 Series 0 to +65
NX8561JD
NX7660JC
NDL7910P

NX8562LB
NX8563LB

*1
*2
*3

*1

*1

0 to +65

−

20 to +65

−

20 to +70

−

20 to +65

−

20 to +65

Under development
Wavelength selectable for ITU-T standards upon request
Wavelength selectable for ITU-T standards

−

40 to [phone] nm pump LD

−

40 to [phone] nm pump LD

−

40 to [phone] Telemetry Coaxial

−

40 to [phone] Telemetry DIP

−

40 to [phone] Telemetry DIP

−

40 to +85 7 0.5

−

40 to +85 20 20

−

40 to +85 20 10

1 550

1 550
ITU-T

module

module

*2

2.5 G EA modulator
integrated module

*2

1 550 CW LD module BFY

*3

1 550 CW LD module BFY

BFY

BFY

BFY

Data Sheet P14127EJ2V0DS00

5

NX7460LE

REFERENCE

Document Name Document No.
NEC semiconductor device reliability/quality control system C11159E
Quality grades on NEC semic onductor devices C11531E
Semiconductor device mounting technology manual C10535E
SEMICONDUCTOR SELECTION GUI DE Products & Packages (CD-ROM ) X13769X

6

Data Sheet P14127EJ2V0DS00

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.

NEC Corporation

NEC Building, 7-1, Shiba 5-chome,
Minato-ku, Tokyo 108-01, Japan

Type number:
Manufactured:
Serial Number:
This product conforms to FDA
regulations as applicable
to standards 21 CFR Chapter 1.
Subchapter J.

DANGER

INVISIBLE LASER RADIATION
AVOID DIRECT EXPOSURE TO BEAM

OUTPUT POWER mW MAX
WAVELENGTH nm
CLASS lllb LASER PRODUCT

SEMICONDUCTOR LASER

AVOID EXPOSURE-Invisible
Laser Radiation is emitted from
this aperture

NX7460LE

Data Sheet P14127EJ2V0DS00

7

NX7460LE

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.

• The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.

• 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.

• Descriptions of circuits, software, and other related information in this document are provided for illustrative
purposes in semiconductor product operation and application examples. The incorporation of these circuits,
software, and information in the design of the customer's equipment shall be done under the full responsibility
of the customer. NEC Corporation assumes no responsibility for any losses incurred by the customer or third
parties arising from the use of these circuits, software, and information.

• 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: Aircraft, 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.

M7 98. 8