SK-43D Equivalent & Substitute Parts

Part Overview

The SK-43D is a Graphic LCD Display Module manufactured by 4D Systems Pty Ltd, featuring a 4.3" transmissive TFT color display with 480 x 272 resolution and TTL interface. This kit includes the ULCD-43D display, USD-4GB storage module, and UUSB-PA5 programming cable. The product is classified as Not For New Designs, indicating it has been superseded in the manufacturer's product line. Finding equivalent substitute parts is necessary for legacy system maintenance, repair, and continued support of existing installations.

Substiute Parts

SK-43D

4D Systems Pty LtdIn Stock: 782SK-43D Datasheet

Current PartRFQ

SK-GEN4-43D

4D Systems Pty LtdIn Stock: 958SK-GEN4-43D Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The SK-GEN4-43D qualifies as a substitute for the SK-43D based on the following critical parameters that determine functional compatibility:

• Display Specifications: Both parts share identical diagonal screen size (4.3"), resolution (480 x 272), viewing area (95.04mm W x 53.86mm H), display type (TFT - Color), display mode (Transmissive), and backlight type (LED - White)
• Graphics Output: Both support Red, Green, Blue (RGB) color graphics
• Interface Support: The SK-GEN4-43D maintains TTL interface compatibility while adding I2C and SPI options
• Compliance: Both parts meet ROHS3 compliance and REACH unaffected status
• Manufacturer: Both are manufactured by 4D Systems Pty Ltd, ensuring design consistency and support continuity

The primary distinction is that SK-GEN4-43D is an Active product from the gen4 series, whereas SK-43D is Not For New Designs, making the substitute the current production equivalent.

Parameter Comparison

Engineering Selection Recommendations

The SK-GEN4-43D is the direct substitute for SK-43D applications. Selection should be based on the following factors:

Product Status Consideration: SK-43D is classified as Not For New Designs, indicating end-of-life status. SK-GEN4-43D is Active and represents the current production equivalent from 4D Systems Pty Ltd.

Compliance Alignment: Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory continuity in replacement scenarios.

Interface Flexibility: While SK-43D operates exclusively on TTL interface, SK-GEN4-43D supports TTL, I2C, and SPI interfaces. TTL mode operation ensures direct compatibility with existing SK-43D implementations.

Physical and Electrical Equivalence: Identical screen size, resolution, viewing area, display technology, and backlight specifications confirm mechanical and electrical interchangeability for display output functions.

Inventory Availability: SK-GEN4-43D maintains higher inventory levels (910 Pcs) compared to SK-43D (715 Pcs), supporting supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can SK-GEN4-43D directly replace SK-43D in existing designs?

A: Yes. Both parts share identical display specifications (4.3" TFT, 480 x 272 resolution, RGB color, LED backlight, transmissive mode). SK-GEN4-43D maintains full TTL interface compatibility, ensuring functional equivalence in TTL-based implementations.

Q: What is the difference in dot pitch between these parts?

A: SK-43D specifies 0.07mm W x 0.20mm H dot pitch, while SK-GEN4-43D specifies 0.20mm W x 0.20mm H. Both achieve the same 480 x 272 resolution across the 95.04mm x 53.86mm viewing area through different pixel geometry configurations.

Q: Are there interface differences I should consider?

A: SK-43D operates on TTL interface only. SK-GEN4-43D supports TTL, I2C, and SPI interfaces. For direct replacement in TTL-based systems, select TTL mode on SK-GEN4-43D to maintain existing communication protocols.

Q: What is the significance of product status classification?

A: SK-43D is Not For New Designs, indicating the manufacturer has transitioned this product to end-of-life status. SK-GEN4-43D is Active, representing the current production line. For new installations or long-term support, SK-GEN4-43D is the recommended selection.

Q: Are both parts RoHS compliant?

A: Yes. Both SK-43D and SK-GEN4-43D are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: What packaging is provided with these parts?

A: Both parts are supplied in Box packaging. SK-43D kit includes ULCD-43D display, USD-4GB storage module, and UUSB-PA5 programming cable. Verify kit contents with supplier documentation for SK-GEN4-43D.