IEC 62148-22:2023

Fibre optic active components and devices - Package and interface standards - Part 22: 25 Gbit/s directly modulated laser packages with temperature control unit

IEC 62148-22: 2023 defines the physical dimensions and interface specifications for directly modulated laser (DML) devices used in optical telecommunication and optical data transmission applications. The intent of this document is to adequately specify the physical requirements for DML devices so as to enable mechanical interchangeability of laser devices or transmitters complying with this document both at the printed circuit board and for any panel-mounting requirements.

Composants et dispositifs actifs fibroniques - Normes de boîtier et d'interface - Partie 22: Boîtiers pour laser à modulation 25 Gbit/s équipés d'une unité de régulation de température

IEC 62148-22: 2023 définit les dimensions physiques et les spécifications des interfaces pour les dispositifs laser à modulation directe (DML) utilisés dans les applications de télécommunications optiques et de transmission optique de données. L’objet du présent document est de spécifier de manière adéquate les exigences physiques des dispositifs DML de façon à permettre l’interchangeabilité mécanique des dispositifs laser ou des émetteurs conformes au présent document, tant au niveau de la carte de circuit imprimé que pour toute exigence de montage sur panneau.

General Information

• Status: Published
• Publication Date: 14-Feb-2023
• ICS: 33.180.20 - Fibre optic interconnecting devices
• Technical Committee: SC 86C - Fibre optic systems and active devices
• Current Stage: PPUB - Publication issued
• Start Date: 24-Mar-2023
• Completion Date: 15-Feb-2023

Standards Content (Sample)

IEC 62148-22 ®
Edition 1.0 2023-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Fibre optic active components and devices – Package and interface standards –
Part 22: 25 Gbit/s directly modulated laser packages with temperature control
unit
Composants et dispositifs actifs fibroniques – Normes de boîtier et d’interface –
Partie 22: Boîtiers pour laser à modulation directe 25 Gbit/s équipés d’une unité
de régulation de température
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IEC 62148-22 ®
Edition 1.0 2023-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Fibre optic active components and devices – Package and interface standards –

Part 22: 25 Gbit/s directly modulated laser packages with temperature control

unit
Composants et dispositifs actifs fibroniques – Normes de boîtier et d’interface –

Partie 22: Boîtiers pour laser à modulation directe 25 Gbit/s équipés d’une unité

de régulation de température
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.180.20 ISBN 978-2-8322-6528-4

– 2 – IEC 62148-22:2023 © IEC 2023
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms, definitions and abbreviated terms . 7
3.1 Terms and definitions . 8
3.2 Abbreviated terms . 8
4 Specification of the optical interface . 8
4.1 Optical connector interface . 8
4.2 Pigtail interface . 8
5 Specification of electrical interface . 8
5.1 General . 8
5.2 Electrical interface specifications for DML TO-can package . 9
5.2.1 5-pin . 9
5.2.2 7-pin . 9
5.2.3 8-pin . 10
5.3 Electrical interface specifications for DML TOSA module packages . 11
5.3.1 5-pin . 11
5.3.2 7-pin . 11
5.3.3 8-pin . 12
6 Outline. 12
6.1 General . 12
6.2 Outline of DML TO-can package . 12
6.2.1 Drawing of case outline . 12
6.2.2 Dimensions of DML TO-can packages . 14
6.3 Outline of DML TOSA module package with an LC connector . 15
6.3.1 Drawing of case outline . 15
6.3.2 Dimensions of DML TOSA module package with LC connector . 17
6.3.3 Dimensions of LC type optical receptacle . 18
6.4 Outlines of DML pigtail package . 18
6.4.1 Drawing of case outline . 18
6.4.2 Dimensions of DML pigtail package . 19
6.4.3 Optical connector. 21
Bibliography . 22

Figure 1 – Electrical terminal numbering assignments for 5-pin type TO-can packages
with temperature control unit . 9
Figure 2 – Electrical terminal numbering assignments for 7-pin type TO-can packages
with temperature control unit . 10
Figure 3 – Electrical terminal numbering assignments for 8-pin type TO-can packages
with temperature control unit . 10
Figure 4 – Electrical terminal numbering assignments for 5-pin TOSA module packages
with temperature control unit . 11
Figure 5 – Electrical terminal numbering assignments for 7-pin TOSA module packages
with temperature control unit . 12
Figure 6 – Electrical terminal numbering assignments for 8-pin TOSA module packages
with temperature control unit . 12

Figure 7 – Case outline of TO-can with spherical lens . 13
Figure 8 – Case outline of TO-can with aspherical lens . 13
Figure 9 – Pin configuration for 5-pin TO-can . 13
Figure 10 – Pin configuration for 7-pin TO-can . 14
Figure 11 – Pin configuration for 8-pin TO-can . 14
Figure 12 – Schematic diagram of DML TOSA module packages with LC connector . 17
Figure 13 – Schematic diagram and pin-out of DML pigtail package . 19

Table 1 – Pin function definitions for 5-pin type DML TO-can packages . 9
Table 2 – Pin function definitions for 7-pin type DML TO-can packages . 10
Table 3 – Pin function definitions for 8-pin type DML TO-can packages . 11
Table 4 – Dimensions of DML TO-can package . 15
Table 5 – Dimensions of DML TOSA module package with LC connector . 17
Table 6 – Pin out terminals of DML TOSA module packages with LC connector and
with flexible printed circuit board . 18
Table 7 – Dimensions of DML pigtail package . 20
Table 8 – Pin out terminals of DML pigtail package . 21

– 4 – IEC 62148-22:2023 © IEC 2023
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
FIBRE OPTIC ACTIVE COMPONENTS AND DEVICES –
PACKAGE AND INTERFACE STANDARDS –

Part 22: 25 Gbit/s directly modulated laser packages
with temperature control unit
FOREWORD
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