Agere Systems D2570, D2526G, D2555 Direct Modulated Isolated DFB Laser Module Data Sheet

This datasheet details the specifications for Agere Systems D2570, D2526G, and D2555 wavelength-selected direct modulated isolated DFB laser modules for…

Agere Systems D2570, D2526G, D2555 Direct Modulated Isolated DFB Laser Module Data Sheet - cover page
Brand
Agere Systems
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
12
File format
PDF
File size
112 KB
Published
16 October, 2026
Updated
16 October, 2026
MD5 checksum
BD7DE8BA5126CA72BF2A5659D2C4C950
PDF
Agere Systems D2570, D2526G, D2555 Direct Modulated Isolated DFB Laser Module Data Sheet PDF

About this manual

The document describes the D2570, D2526G, and D2555 laser modules, which are available in a 14-pin hermetic butterfly package. These modules feature integrated optical isolators, temperature tunability, and are designed for 1.5 µm applications in SONET/SDH compatible systems up to OC-48/STM-16.

What's inside

  • Features
  • Applications
  • Product Codes
  • Absolute Maximum Ratings
  • Mounting Instructions
  • Electrical Characteristics
  • Optical Characteristics
  • Dispersion Performance

Specifications

Package Type14-pin, hermetic, butterfly package
Operating Case Temperature Range-40 to 70 °C
Peak Optical Output Power2.0 mW
Optical Isolation30 dB minimum
Dispersion Penalty (Extended Reach)1800 ps/nm

Frequently asked questions

What is the minimum fiber bend radius for the module?

The minimum fiber bend radius is 1.23 inches (31.25 mm).

What is the standard operating condition for electrical characteristics?

The standard operating condition is 5.0 V reverse bias.

What is the maximum threshold current for the D2555 type?

The maximum threshold current for the D2555 type is 1235 mA.

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