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D2526

Features: ITU wavelengths available from 1528.77 nm -1610.06 nmSONET/SDH compatible up to OC-48/STM-16Temperature tunable for precise wavelength selectionIntegrated optical isolatorHigh-performance, multiquantum well (MQW) distributed-feedback (DFB) laserIndustry-standard, 14-pin butterfly package...

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D2526: Features: ITU wavelengths available from 1528.77 nm -1610.06 nmSONET/SDH compatible up to OC-48/STM-16Temperature tunable for precise wavelength selectionIntegrated optical isolatorHigh-performance,...

D2526 Data Sheet

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Part Number:
D2526
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

ITU wavelengths available from 1528.77 nm -1610.06 nm
SONET/SDH compatible up to OC-48/STM-16
Temperature tunable for precise wavelength selection
Integrated optical isolator
High-performance, multiquantum well (MQW) distributed-feedback (DFB) laser
Industry-standard, 14-pin butterfly package Characterized at 2.488 Gbits/s (NRZ)
InGaAs, PIN photodetector back-facet monitor
Low threshold current
High-reliability, hermetic packaging
Excellent long-term wavelength stability can elimi-nate the need for external wavelength locker
Qualified to meet the intent of gies* 468




Application

Three direct-modulated DWDM families available to meet a number of OC-48/STM-16 applications:
-Extended reach (100 km)
-Very long reach (170 km)
-Metro DWDM
-Digital video


Specifications

Absolute Maximum Ratings
Parameter Symbol Min Max Unit
Laser Reverse Voltage VRLMAX - 2 V
dc Forward Current IFLMAX - 150 mA
Operating Case Temperature Range TC 40 70 °C
Storage Case Temperature Range* Tstg 40 85 °C
Photodiode Reverse Voltage VRPDMAX - 10 V
Photodiode Forward Current IFPDMAX - 2 mA
Electrical Characteristics (at 25 °C laser temperature)
Parameter Symbol TestConditions Min Typ Max Unit
Slope Efficiency LF= 2 (CW) 0.06 0.09 0.13 mWmW/mA
Threshold Current ITH - - 14 30 mA
Laser Forward Voltage VLF LF= 2 mW (CW) - 1.3 1.8 V
Laser Submount Temperature TLASER - 20 - 30 °C
Monitor Reverse-bias Voltage* VRMON - 3 5 10 V
Monitor Current IRMON POL= 1 mW (CW) 0.1 0.3 1.5 mA
Monitor Dark Current ID IF= 0, VRMON= 5 V - 0.01 0.1 µA
Input Impedance ZIN - - 25 - Ω
Thermistor Current ITC - 10 - 100 µA
Resistance Ratio† - - 9.1 - 9.6 -
Thermistor Resistance
 RTH TL= 25 °C 9.5 - 10.5 kΩ
TEC Current

 ITEC TL= 25 °C, TC= 70 °C - 0.6 1.0 A
TEC Voltage
 VTEC TL= 25 °C, TC= 70°C - 1.3 2.0 V
TEC Capacity

 ∆T TC= 70 °C - - 50 °C



Description

   The Direct Modulated Isolated DFB Laser Module contains an internally cooled, InGaAs, MQW, distrib-uted-feedback (DFB) laser designed for 1.5 µm appli-cations. The following three direct-modulation DWDM product families have been established to meet vari-ous OC-48/STM-16 system applications:
   D2526-type: designed to be used in OC-48/STM-16 (2.488 Gbits/s) for extended reach, dense WDM applications (1800 ps/nm). The wavelength of the laser can be temperature-tuned for precise wavelength selection by adjusting the temperature of the internal thermoelectric cooler.

   D2555-type: high-performance device designed for very low dispersion; used in fiber spans exceeding 170 km (3000 ps/nm).

   D2570-type: high-power, direct-modulated laser eliminates the need for optical amplifiers in DWDM many applications.




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