4 X 25-Gb/s GaAs PIN Photodiode

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The Broadcom SPD2020-4X is a mesa-structured, 1×4 array, GaAs-based PIN photodiode offering high responsivity, low dark current, and low capacitance for high-bandwidth, high-performance optical receiver designs. The photodiodes' low parasitics make them ideal for high-speed, multimode 4×25-Gb/s and 100GbE data center links and active optical cables. The SPD2020-4X is also available in singlets. The SPD2020-4X has slightly larger photodiode apertures (38 μm) than the similar SPD2025-4X (32 μm) to allow for easier optical alignment tolerances.

Lifecycle Status


Substance Compliance

  • RoHS6
    Fully Compliant
Specification Value
Lifecycle Active
Distrib. Inventory No
Form Factor Die
Number of Channels 4
Wavelength 840-860 nm
Temperature -5°C -95°C
Dimensions (LxWxH in µm) 970x270x150
Top Contact Configuration SG
Aperture 38 µm
RoHS6 Compliant Y
Data Rate 25 Gb/s
Array 1x4
Pad Style 2 pad N-P adjacent
Material GaAs