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| Place of Origin | JAPAN |
| Brand Name | FANUC |
| Certification | CE ROHS |
| Model Number | A16B-2203-0803 |
The A16B-2203-0803 is a FANUC servo amplifier board in the A16B-2203 family.
FANUC maintenance-manual data maps A16B-2203-0803 to αi SV 10HV servo amplifier hardware, and public parts listings describe the board as a servo amplifier PC component with the associated board reference A320-2203-T804/02.
That places it clearly in the servo-amplifier category.
This is a board-level amplifier spare for systems that already use the corresponding FANUC αi servo section.
Because the published references tie it to a specific amplifier class, it should be treated as an exact-match board rather than a general-purpose control PCB.
In service work, keeping the same model helps preserve the original amplifier board structure.
| Parameter | Value |
|---|---|
| Part Number | A16B-2203-0803 |
| Manufacturer | FANUC |
| Product Type | PC board / servo amplifier board |
| Product Series | A16B-2203 |
| Public Hardware Mapping | αi SV 10HV |
| Public Description | Servo amplifier |
| Board Reference | A320-2203-T804/02 |
| Public Lifecycle Note | Discontinued by manufacturer |
This board is suited to FANUC αi SV 10HV servo amplifier hardware where the installed amplifier section already depends on this exact board assignment.
It is especially relevant in repair, refurbishment, and board replacement work where the original amplifier class and board identity must remain consistent.
Public parts listings also mark this model as discontinued by manufacturer, which reinforces its role as a lifecycle-support and installed-base spare rather than a current general-availability board for new system design.
The main checks are the exact part number, the A16B-2203 family, the published mapping to αi SV 10HV, and the board reference A320-2203-T804/02.
These points define whether the board matches the installed amplifier hardware.
Q1: What kind of board is A16B-2203-0803?
It is a FANUC servo amplifier board. FANUC maintenance-manual data maps it to αi SV 10HV, while public parts listings describe it as a servo amplifier PC component.
That makes it a dedicated amplifier-side board rather than a general control or I/O PCB.
Q2: Why is the αi SV 10HV mapping important?
Because it identifies the amplifier class associated with this board. That mapping is one of the clearest published compatibility references for A16B-2203-0803, and it is the main reason the board should be matched to the same installed amplifier family during replacement.
Q3: What does the board reference A320-2203-T804/02 mean here?
It appears in public parts listings as an associated board reference for this exact model.
In practical service work, secondary board references like this can help confirm that the installed board matches the correct spare when labeling on the hardware includes that linked designation.
Q4: Is this model still current?
A public industrial parts listing marks A16B-2203-0803 as discontinued by manufacturer.
That makes it especially relevant in repair and lifecycle support of installed FANUC systems rather than in new mainstream equipment builds.
Q5: What should be checked before ordering?
Check the installed part number, confirm the amplifier hardware corresponds to αi SV 10HV, and verify that the installed board references A16B-2203-0803 or the associated board designation A320-2203-T804/02.
Those are the main compatibility points for this model.
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