HDSP-316G 7-Segment LED Display - Equivalent & Substitute Parts

Part Overview

The HDSP-316G is a single-character, 0.4-inch green 7-segment LED display manufactured by Broadcom Limited in a 10-DIP package configuration. This component is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements. The display operates as a common cathode device with a forward voltage of 2.1V and test current of 10mA, suitable for numeric and alphanumeric display applications in electronic instrumentation and consumer equipment.

Substiute Parts

HDSP-316G

Broadcom LimitedIn Stock: 1285HDSP-316G Datasheet

Current PartRFQ

HDSP-303G

Broadcom LimitedIn Stock: 2730HDSP-303G Datasheet

MFR RecommendedRFQ

SC39-11CGKWA

KingbrightIn Stock: 737SC39-11CGKWA Datasheet

MFR RecommendedRFQ

SC39-11GWA

KingbrightIn Stock: 1182SC39-11GWA Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the HDSP-316G is determined by the following critical parameters:

• Display Configuration: Single-character, 7-segment, common cathode architecture
• Package Compatibility: 10-DIP (0.300", 7.62mm) footprint
• Color: Green LED emission
• Electrical Operating Range: Forward voltage between 2.1V and 2.25V; test current between 10mA and 20mA
• Physical Envelope: Digit size 0.39" to 0.40" with overall dimensions compatible with 10-DIP spacing
• Wavelength Range: Peak emission between 565nm and 574nm (green spectrum)

The substitute parts listed below meet these criteria and maintain functional equivalence within the specified electrical and mechanical tolerances.

Parameter Comparison

Engineering Selection Recommendations

HDSP-303G (Broadcom Limited): This part maintains identical physical dimensions and package footprint to the HDSP-316G while offering active product status. The forward voltage increase from 2.1V to 2.25V and test current increase from 10mA to 20mA fall within acceptable operating ranges for common cathode 7-segment displays. ROHS3 compliance provides regulatory advantage for new designs. The reduced millicandela rating (2.8mcd versus 5mcd) should be evaluated against brightness requirements in the target application.

SC39-11CGKWA (Kingbright): This substitute provides active product status with identical 10-DIP package compatibility. The 0.39-inch digit size represents a minor reduction from the 0.40-inch specification, with overall dimensions showing marginal increases in height and width. Forward voltage matches the original specification at 2.1V. The significantly higher millicandela rating (21mcd) offers enhanced brightness performance. ROHS3 compliance is provided. Physical envelope differences require verification against PCB layout constraints.

SC39-11GWA (Kingbright): This alternative maintains 10-DIP package compatibility with active product status and ROHS3 compliance. The 0.39-inch digit size and slightly increased overall dimensions mirror the SC39-11CGKWA configuration. Forward voltage of 2.2V remains within acceptable tolerance. The millicandela rating of 6.4mcd provides brightness performance comparable to the original part. Power dissipation is reduced to 62.5mW, offering efficiency advantages.

Frequently Asked Questions (FAQ)

Q: Can the HDSP-316G be directly replaced with the HDSP-303G without circuit modifications?

A: The HDSP-303G maintains identical physical dimensions, package footprint, and common cathode configuration. The forward voltage increase from 2.1V to 2.25V and test current increase from 10mA to 20mA are within normal operating tolerances for 7-segment LED displays. Circuit validation is recommended to confirm brightness and current-limiting resistor adequacy in the specific application.

Q: What are the physical differences between Broadcom and Kingbright substitutes?

A: The Broadcom HDSP-303G maintains the original 0.40-inch digit size and 0.504" x 0.382" footprint. The Kingbright SC39-11CGKWA and SC39-11GWA both feature 0.39-inch digit sizes with slightly larger overall dimensions (0.512" H x 0.394" W). All three maintain the 10-DIP package spacing of 0.300 inches. PCB layout verification is necessary when substituting with Kingbright parts.

Q: How do the brightness characteristics compare among substitute options?

A: The original HDSP-316G provides 5mcd at 10mA test current. The HDSP-303G delivers 2.8mcd at 20mA, representing reduced brightness. The SC39-11CGKWA provides 21mcd at 20mA, offering significantly enhanced brightness. The SC39-11GWA provides 6.4mcd at 20mA, closely matching the original brightness specification. Application brightness requirements determine the appropriate selection.

Q: Are all substitute parts RoHS compliant?

A: The HDSP-303G, SC39-11CGKWA, and SC39-11GWA are all ROHS3 compliant. The original HDSP-316G RoHS status is not specified in the provided documentation. For applications requiring RoHS compliance certification, the three substitute parts meet this requirement.

Q: What is the wavelength difference between substitute parts?

A: The original HDSP-316G operates at 566nm peak wavelength. The HDSP-303G operates at 568nm, the SC39-11CGKWA at 574nm, and the SC39-11GWA at 565nm. All wavelengths remain within the green spectrum range. Visual color perception differences are minimal across this wavelength range.

Q: Can Kingbright parts be used in existing PCB designs without layout modifications?

A: The Kingbright SC39-11CGKWA and SC39-11GWA feature 0.39-inch digit sizes and slightly larger overall dimensions compared to the original 0.40-inch HDSP-316G. While the 10-DIP package spacing remains compatible, the increased height (0.512" versus 0.504") and width (0.394" versus 0.382") require verification against PCB clearance and silkscreen constraints. Direct substitution without layout review is not recommended.