Where can I buy ADNS-5700-H4PB?

ADNS-5700-H4PB is available from Digi-Key, Hotenda, 1Source. See pricing comparison above.

ADNS-5700-H4PB Broadcom Limited | Sensors, Transducers | DigiKey

Brand name, Manufacturer name, Manufacturer, Attribute01	Broadcom Limited
Attribute00	Sensors, Transducers
Attribute02	-
Attribute03	Tube
Attribute04	Obsolete
Attribute05	Through Hole
Attribute06	18-DIP Module
Attribute07	18-DIP
AttributeKey00	Category
AttributeKey01	Mfr
AttributeKey02	Series
AttributeKey03	Package
AttributeKey04	Part Status
AttributeKey05	Mounting Type
AttributeKey06	Package / Case
AttributeKey07	Supplier Device Package
Extra Product Name	ADNS-5700-H4PB Broadcom Limited \| Sensors, Transducers \| DigiKey
atoms, moq, multiple	1
extraShipping, qtyInStock	0
MPN	ADNS-5700-H4PB
SKU	2210427

Seller	SKU	MOQ	Multiple
Digi-Key	2210427	1	1
Hotenda	H3917899	1	1
1Source	ADNS-5700-H4PB	1	1