Where can I buy HEDS-6540#J10?

HEDS-6540#J10 is available from Digi-Key, Hotenda. See pricing comparison above.

HEDS-6540#J10 Broadcom Limited | Sensors, Transducers | DigiKey

Brand name, Manufacturer name, Manufacturer, Attribute01	Broadcom Limited
Attribute00	Sensors, Transducers
Attribute02	HEDS
Attribute03	Bulk
Attribute04	Obsolete
Attribute05	Optical
Attribute06	Quadrature with Index (Incremental)
Attribute07	1024
Attribute08	5V
Attribute09	5/8" Open Center
Attribute10, Attribute11	No
Attribute12	Chassis Mount, Motors
Attribute13	Vertical
Attribute14	Cable with Connector
Attribute15	-
AttributeKey00	Category
AttributeKey01	Mfr
AttributeKey02	Series
AttributeKey03	Package
AttributeKey04	Product Status
AttributeKey05	Encoder Type
AttributeKey06	Output Type
AttributeKey07	Pulses per Revolution
AttributeKey08	Voltage - Supply
AttributeKey09	Actuator Type
AttributeKey10	Detent
AttributeKey11	Built in Switch
AttributeKey12	Mounting Type
AttributeKey13	Orientation
AttributeKey14	Termination Style
AttributeKey15	Rotational Life (Cycles Min)
Extra Product Name	HEDS-6540#J10 Broadcom Limited \| Sensors, Transducers \| DigiKey
atoms, moq, multiple	1
extraShipping, qtyInStock	0
MPN	HEDS-6540#J10
SKU	2219837

Seller	SKU	MOQ	In stock	Multiple	Prices
Digi-Key	2219837	1		1
Hotenda	H3917758	1		1