Datasheet OL4201N Datasheet (OKI)

D

ATA SHEET

O K I L A S E R P R O D U C T S

OL4201N

Service Channel FP Laser Module

(1480 nm, 1 mW)

October 1999

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Oki Semiconductor

OL4201N Service Channel FP Laser Module

2.5 Gbps, 1480-nm, 1 mW Service Channel Laser Module

INTRODUCTION

Oki Semiconductor’s OL4201N dual in-line package service channel laser diode module features a
cooled 1480-nm MQW laser diode coupled to a single-mode fiber. The OL4201N has a built-in
thermoelectric cooler and is equipped with a monitor photodiode.

FEATURES

• 1480-nm MQW FP Laser

• Single-mode fiber

• Built-in thermoelectric cooler

• 1-mW fiber output power

• Includes photodiode for power monitoring

• 14-pin Dil package

APPLICATIONS

• WDM systems service channel

• Service Channel

• Cross connect systems

• Fiber-optic light source

• Telemetry systems

• Test instrumentation

1Oki Semiconductor

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OL4201N Service Channel FP Laser Module ■ ––––––––––––––––––––––––––––––––––––––––––––––––––––––

ELECTRICAL CHARACTERISTICS

Absolute Maximum Ratings (ambient temperature Ta=25°C unless otherwise noted)

Parameter

Fiber Output Power Pf 5 mW

Laser diode forward current I

Thermoelectric cooler voltage V

Thermoelectric cooler current I

Operating Temperature Topr -40 to +85 °C

Storage Temperature Tstg -40 to +85 °C

Exceeding these maximum ratings could cause immediate damage or lead to permanent deterioration of the device.

Optical and Electrical Characteristics Ta=25°C

Parameter

Fiber output power Pf I

Center wavelength

RMS Spectral width

Thermistor resistance Rth - 9.5 - 10.5 k

Symbol Ratings Units

F(LD)

TEC

TEC

Symbol Test Conditions Min. Typ. Max. Units

λ

c

σ

150

3.0

1.5

=Ith + 20 mA 1 - - mW

F(LD)

Pf= 1 mW 1470 - 1490 nm

Pf=1 mW, CW, RMS - - 5 nm

mA

V

A

Ω

Fiber Pigtail Specifications

Parameter

Type
Mode field diameter
Cladding diameter
Jacket diameter
Length
Connector

2 Oki Semiconductor

Specifications Units

SM ---

9 +/- 1

125 +/- 2

900

1 (minimum) m

FC/PC -

µ

m

µ

m

µ

m

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PACKAGE DIMENSIONS

(Units: mm)

5.0

1.0

25.4

20.8

12.7

3.8

2.54

ø0.45

6.0

6.35

24 ±1

16.0

3.18

ø2.2

ø5.6

RUBBER HOOD

STAINLESS STEEL SLEEVE

SMF

5.9

Tolerance = ±0.5 mm (unless noted otherwise)

Dimensions in mm.

1.0

7.62

19.0

7.1

9.0

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TERMINAL CONNECTION (BOTTOM VIEW - NOT TO SCALE)

#8 #9 #12

LD

PD

#6#7

CASE

TH

#14#13#11#10

T.E.C

#1#2#4#5 #3

(-)

FIBER

(+)

TH:

Thermistor

T.E.C: Thermo-Electric Cooler

Pin Configuration

Pin Mo.

01 Thermo Electric Cooler Anode (+) 08 PD Anode

02 NC 09 LD Cathode

03 NC 10 LD Anode, Case Ground, and internal connect to pin 5

04 NC 11 Thermistor

05 LD Anode, Case Ground, and internal connect to pin 10 12 Thermistor

06 NC 13 NC

07 PD Cathode 14 Thermo Electric Cooler Cathode (-)

Description Pin No. Description

3Oki Semiconductor

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OL4201N Service Channel FP Laser Module ■ ––––––––––––––––––––––––––––––––––––––––––––––––––––––

Notes:

4 Oki Semiconductor

The information contained herein can change without notice owing to product and/or technical improvements.
Please make sure before using the product that the information you are referring to is up-to-date.
The outline of action and examples of application circuits described herein have been chosen as an explanation of the standard action

and performance of the product. When you actually plan to use the product, please ensure that the outside conditions are reflected in
the actual circuit and assembly designs.

Oki assumes no responsibility or liability whatsoever for any failure or unusual or unexpected operation resulting from misuse, neglect,
improper installation, repair, alteration or accident, improper handling, or unusual physical or electrical stress including, but not limited
to, exposure to parameters outside the specified maximum ratings or operation outside the specified operating range.

Neither indemnity against nor license of a third party's industrial and intellectual property right,etc.is granted by us in connection with
the use of product and/or the information and drawings contained herein. No responsibility is assumed by us for any infringement of a
third party's right which may result from the use thereof.

When designing your product, please use our product below the specified maximum ratings and within the specified operating ranges,
including but not limited to operating voltage, power dissipation, and operating temperature.

The products listed in this document are intended for use in general electronics equipment for commercial applications (e.g.,office
automation, communication equipment, measurement equipment, consumer electronics, etc.).These products are not authorized for
use in any system or application that requires special or enhanced quality and reliability characteristics nor in any system or application
where the failure of such system or application may result in the loss or damage of property or death or injury to humans. Such
applications include, but are not limited to: traffic control, automotive, safety, aerospace, nuclear power control, and medical, including
life support and maintenance.

Certain parts in this document may need governmental approval before they can be exported to certain countries. The purchaser
assumes the responsibility of determining the legality of export of these parts and will take appropriate and necessary steps, at their
own expense, for export to another country.

Copyright 1999 Oki Semiconductor
Oki Semiconductor reserves the right to make changes in specifications at anytime and without notice. This information furnished by

Oki Semiconductor in this publication is believed to be accurate and reliable. However, no responsibility is assumed by Oki
Semiconductor for its use; nor for any infringements of patents or other rights of third parties resulting from its use. No license is
granted under any patents or patent rights of Oki.

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