AUO · DOCUMENT-BASED REVIEW

G043FTN01.0 LCD Selection and Compatibility Guide

Review this 4.3-inch parallel-RGB panel by its complete 40-pin signal map and separate LED drive requirements. The same screen dimensions do not make another 40-pin panel a direct replacement.

Reviewed document: Final specification, rev. 1.3; cover approval 2019-05-23; P/N 97.04G03.001.

Specifications in the reviewed document

Values below apply to the supplied document, not every revision or offered unit. Typical values are not minimum guarantees. Page references are PDF page positions.

Item	Document value and scope	PDF page
Resolution / active area	480 × 272; 95.04 × 53.856 mm	5
Outline	105.5 × 67.2 × 2.9 mm typical	5
Display interface	24-bit parallel digital RGB; 40 pins; adaptable plug FH52E-40S-0.5SH	5, 15–16
Panel supply	VDD 3.0–3.6 V; 3.3 V typical	11
Brightness	550 cd/m² typical; 440 cd/m² minimum; center point at 25°C, IL = 11 mA	6
LED drive reference	One string of 9 LEDs; 11 mA typical; 25.65 V typical, 27.9 V maximum at the stated test condition	13
Temperature	Operating -20 to +70°C; storage -25 to +70°C; humidity and no-condensation restrictions apply	5, 10

Model-specific replacement risks

Its pin 37 is VDD and pins 39/40 are backlight anode/cathode. AT043TN25 V.2 instead lists pins 37–40 as NC, while AT043TN24 V.7 assigns them to touch electrodes. Do not reuse a cable based on the 40-pin count. Sources: this document pp. 15–16; TN25 PDF pp. 5–6; TN24 PDF pp. 5–6.

Check DE, DCLK edge and display-direction controls against the host timing. Verify the complete pin map, not only the RGB data bus. Use a suitable LED driver; the backlight reference voltage is not the LCD logic supply.

Do not wire from this summary. Use the complete connector drawing, pin table, timing limits and power sequence for the exact panel and host. Absolute maximum electrical ratings are not recommended supply settings.

Before ordering a sample

Record the complete model suffix and match the applicable document revision.
Compare connector orientation, every pin assignment, supply rails and signal thresholds.
Verify host timing, display-control behavior and separate backlight requirements.
Check the enclosure, FPC routing, viewing direction and any touch assembly.
Validate a sample in the intended equipment before production approval.

Frequently asked questions

Can I reuse another 40-pin 4.3-inch cable?

Not without a pin-by-pin and mechanical review. This model places VDD at pin 37 and backlight connections at pins 39 and 40, which differ from the two reviewed AT043 models.

Does this guide confirm an interchangeable replacement?

No. It reports a specific document scope and review risks. Approve a candidate only after comparing the complete panel and host documentation and validating a sample.

What should I provide for a quotation?

Send the full panel label, required quantity, destination, application, controller and cable details, and whether touch or enclosure changes are permitted. Ask for the applicable current specification and supply status.

Product details

View the G043FTN01.0 product page

Match the supplied unit and applicable document revision before ordering. This link is a product reference, not a replacement approval.

Request specification and compatibility support

Provide a panel-label photo, quantity, destination, host and cable details. State whether you need the panel only or a touch assembly. Current availability and a tested replacement are not established by this guide.

Request a G043FTN01.0 review

Source scope and limitations

Final specification, rev. 1.3; cover approval 2019-05-23; P/N 97.04G03.001.

Reviewed file: 23 PDF pages. The values are scoped to this revision; the document does not establish current stock, production status or compatibility with another model.

Prepared from the supplied PDF, not from an independent laboratory test. Other models mentioned explain incompatibility risks, not substitute recommendations. Original PDFs and drawings are not reproduced in this preview.