APT3216SRCPRV Equivalent & Substitute Parts

Part Overview

The APT3216SRCPRV is a red LED indication component manufactured by Kingbright in a 1206 (3216 Metric) surface mount package. This discrete LED operates at a forward voltage of 1.85V with a test current of 20mA and delivers 30 millicandela of luminous intensity at a dominant wavelength of 640nm. The component features a clear, colorless lens with a rectangular flat-top design and a 120° viewing angle.

The APT3216SRCPRV is classified as obsolete. Identification of equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this LED component.

Substiute Parts

APT3216SRCPRV

KingbrightIn Stock: 2115APT3216SRCPRV Datasheet

Current PartRFQ

APT3216SURCK

KingbrightIn Stock: 2721APT3216SURCK Datasheet

MFR RecommendedRFQ

SML-LX1206SIC-TR

Lumex Opto/Components Inc.In Stock: 45074SML-LX1206SIC-TR Datasheet

SimilarRFQ

SML-LXFT1206SIC-TR

Lumex Opto/Components Inc.In Stock: 871SML-LXFT1206SIC-TR Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the APT3216SRCPRV is determined by strict alignment of the following critical parameters:

Package Compatibility: All substitute parts must use the 1206 (3216 Metric) surface mount package with identical footprint dimensions (3.20mm L x 1.60mm W) to ensure PCB compatibility without layout modifications.

Optical Characteristics: Substitute parts must be red LEDs with clear, colorless lenses. The dominant wavelength range spans 630nm to 640nm, with peak wavelengths between 632nm and 655nm, maintaining the red spectrum classification.

Electrical Parameters: Forward voltage (Vf) ranges from 1.85V to 2V at a test current of 20mA. Millicandela ratings range from 30mcd to 80mcd, representing acceptable luminous intensity variations for indication applications.

Mechanical Fit: Maximum height specifications range from 0.75mm to 1.10mm. Lens dimensions vary slightly (1.50mm to 2.00mm width), but all maintain the rectangular flat-top configuration.

Regulatory Compliance: All substitute parts maintain ROHS3 compliance, MSL 3 rating, and REACH unaffected status, ensuring environmental and regulatory alignment with the original component.

Viewing Angle: Acceptable viewing angles range from 120° to 140°, supporting the indication function across varied application geometries.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute - APT3216SURCK (Kingbright): This part is the manufacturer-recommended substitute and maintains Kingbright sourcing continuity. It shares identical package dimensions and height specifications with the original component. The forward voltage increases from 1.85V to 1.95V, representing a 5.4% increase within acceptable circuit tolerance ranges. The millicandela rating increases to 80mcd, providing enhanced luminous intensity. Product status is active with confirmed inventory availability of 2,646 pieces. ROHS3 compliance and MSL 3 rating are maintained.

Secondary Substitute - SML-LXFT1206SIC-TR (Lumex Opto/Components Inc.): This part provides an alternative source from an established LED manufacturer. It maintains identical package dimensions and maximum height of 0.75mm, matching the original component's physical profile. Forward voltage is 2V, representing a 8.1% increase. The millicandela rating of 70mcd exceeds the original specification. The viewing angle increases to 140°, providing broader light distribution. Product status is active with limited inventory of 808 pieces. ROHS3 compliance and MSL 3 rating are maintained.

Tertiary Substitute - SML-LX1206SIC-TR (Lumex Opto/Components Inc.): This part offers an alternative from Lumex with active product status and high inventory availability of 45,050 pieces. Forward voltage is 2V. The maximum height of 1.10mm exceeds the original specification by 0.35mm and requires verification for clearance in space-constrained applications. The millicandela rating of 54mcd provides intermediate luminous intensity. The viewing angle of 130° is broader than the original. ROHS3 compliance and MSL 3 rating are maintained.

All substitute parts maintain regulatory compliance through ROHS3 certification and REACH unaffected status. Selection should prioritize APT3216SURCK for design continuity, or SML-LXFT1206SIC-TR for alternative sourcing with matched physical dimensions.

Frequently Asked Questions (FAQ)

Q: Can APT3216SURCK be used as a direct replacement for APT3216SRCPRV?

A: Yes. APT3216SURCK is the manufacturer-recommended substitute. Both parts share identical 1206 (3216 Metric) package dimensions, height specifications of 0.75mm, and electrical test current of 20mA. The forward voltage increases from 1.85V to 1.95V, a 5.4% variance acceptable in most indication circuit designs. Luminous intensity increases from 30mcd to 80mcd.

Q: What is the primary difference between the Kingbright and Lumex substitute options?

A: Kingbright APT3216SURCK maintains the same manufacturer source as the original component and identical physical height of 0.75mm. Lumex alternatives provide independent sourcing with active product status and higher inventory levels. SML-LXFT1206SIC-TR matches the 0.75mm height specification, while SML-LX1206SIC-TR has a maximum height of 1.10mm, requiring clearance verification.

Q: Are there viewing angle differences between the main part and substitutes?

A: Yes. The original APT3216SRCPRV has a 120° viewing angle. APT3216SURCK maintains 120°. SML-LX1206SIC-TR provides 130°, and SML-LXFT1206SIC-TR provides 140°. Broader viewing angles support applications requiring light distribution across wider angles but do not affect direct substitution compatibility.

Q: Do all substitute parts maintain the same regulatory compliance?

A: Yes. All substitute parts are ROHS3 compliant, carry MSL 3 (168 Hours) moisture sensitivity ratings, and are REACH unaffected. Regulatory and environmental compliance is maintained across all options.

Q: What is the impact of forward voltage differences on circuit design?

A: The original part operates at 1.85V. Substitutes range from 1.95V to 2V. These represent increases of 5.4% to 8.1%. In series-resistor-limited LED circuits, this variance requires recalculation of current-limiting resistor values to maintain the 20mA test current specification. Circuit designs with voltage regulation or current-source topologies are less sensitive to these variations.

Q: Can SML-LX1206SIC-TR be used in space-constrained applications?

A: SML-LX1206SIC-TR has a maximum height of 1.10mm, compared to 0.75mm for the original part and APT3216SURCK. Applications with height restrictions below 1.10mm require verification of available clearance. SML-LXFT1206SIC-TR maintains the 0.75mm height specification and is suitable for space-constrained designs.

Q: What inventory considerations apply to these substitutes?

A: APT3216SURCK has 2,646 pieces in stock. SML-LXFT1206SIC-TR has 808 pieces. SML-LX1206SIC-TR has 45,050 pieces available. For high-volume production, SML-LX1206SIC-TR offers the highest inventory availability, though height verification is required.

Q: Are lens size variations significant for optical performance?

A: Lens dimensions vary slightly across substitutes. The original part and most substitutes maintain 2.00mm x 1.60mm lens dimensions. SML-LXFT1206SIC-TR has a lens size of 1.90mm x 1.60mm. These variations are within manufacturing tolerances for indication applications and do not affect functional substitution.