APD Photodiode - 2.0G or 2.5GHz

This avalanche photodiode (APD) has a planar InGaAs detector. It provides photon detection with high bandwidth and high optical sensitivity. The multiplication factor of this APD is 25 or higher.

The cut-off frequency of this APD is 2 GHz (or 2.5GHz upon request), and it is suitable for optical fiber communication systems.

Single mode fiber pigtails or multimode fiber pigtails are available.

Features:

• High reliability InGaAs planar APD structure
• 55um top illuminated active area
• Low dark current
• Low capacitance

Applications:

• Optical receivers up to 2.5 Gbps (or up to 3Gbps)

Specifications:

Absolute Maximum Ratings

Characteristics

Pin Assignment

Please note above pin allocation is sample only. Special pin allocation can be requested. Refer to the test data sheet attached with each photodiode for its pin allocation.

Outline

Ordering Information:

APD-20-a-1-d  (APD-25-a-1-d for 2.5Ghz APD)
a: Fiber Type; a=9 for single mode 9/125 micron fiber; a=50 for multimode 50/125 micron fiber; a=62.5 for multimode 62.5/125 micron fiber.
d: Connector Type, d=FA for FC/APC, d=SU for SC/UPC, d=N for no connectors, etc.

Example: APD-20-9-1-FU