Where can I buy PDB-C520-FC?

PDB-C520-FC is available from Digi-Key, Hotenda. See pricing comparison above.

PDB-C520-FC Advanced Photonix | Sensors, Transducers | DigiKey

Brand name, Manufacturer name, Manufacturer, Attribute01	Advanced Photonix
Attribute00	Sensors, Transducers
Attribute02, Attribute03, Attribute05, Attribute06, Attribute07, Attribute08, Attribute09, Attribute10, Attribute11, Attribute12, Attribute13, Attribute14, Attribute15, Attribute16	-
Attribute04	Obsolete
AttributeKey00	Category
AttributeKey01	Mfr
AttributeKey02	Series
AttributeKey03	Package
AttributeKey04	Product Status
AttributeKey05	Wavelength
AttributeKey06	Color - Enhanced
AttributeKey07	Spectral Range
AttributeKey08	Diode Type
AttributeKey09	Responsivity @ nm
AttributeKey10	Response Time
AttributeKey11	Current - Dark (Typ)
AttributeKey12	Active Area
AttributeKey13	Viewing Angle
AttributeKey14	Operating Temperature
AttributeKey15	Mounting Type
AttributeKey16	Package / Case
Extra Product Name	PDB-C520-FC Advanced Photonix \| Sensors, Transducers \| DigiKey
atoms, moq, multiple	1
extraShipping, qtyInStock	0
MPN	PDB-C520-FC
SKU	481907
snippet	Photodiode

Seller	SKU	MOQ	In stock	Multiple	Prices
Digi-Key	481907	1		1
Hotenda	H3927823	1		1