APTL3216PBC/A Equivalent & Substitute Parts

Part Overview

The APTL3216PBC/A is a blue LED indication component manufactured by Kingbright in a 1206 (3216 Metric) surface mount package. This discrete LED operates at 3.2V forward voltage with a dominant wavelength of 470nm and delivers 200 millicandela at 20mA test current. The component is classified as obsolete, necessitating identification of active equivalent alternatives for new designs and production continuity.

Substiute Parts

APTL3216PBC/A

KingbrightIn Stock: 1240APTL3216PBC/A Datasheet

Current PartRFQ

APTL3216QBC/D

KingbrightIn Stock: 15028APTL3216QBC/D Datasheet

MFR RecommendedRFQ

XZCBD55W-A2

SunLEDIn Stock: 1158XZCBD55W-A2 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the APTL3216PBC/A is determined by the following critical parameters:

Mechanical Compatibility:

• Package / Case: 1206 (3216 Metric)
• Mounting Type: Surface Mount
• Size / Dimension: 3.20mm L x 1.60mm W
• Height (Max): 1.10mm

Electrical Compatibility:

• Color: Blue
• Current - Test: 20mA
• Viewing Angle: 70°
• Lens Style: Round with Flat Top

Regulatory Compliance:

• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 3 (168 Hours)

Substitute parts must maintain identical mechanical footprint and mounting characteristics to ensure PCB compatibility without layout redesign. Electrical parameters including forward voltage, millicandela rating, and wavelength may vary within acceptable ranges for indication applications. All substitutes must meet or exceed the same regulatory compliance standards.

Parameter Comparison

Engineering Selection Recommendations

APTL3216QBC/D (Kingbright - Recommended Primary Substitute)

The APTL3216QBC/D is the direct manufacturer equivalent from Kingbright with active product status. This substitute maintains identical mechanical compatibility and regulatory compliance. The forward voltage increases from 3.2V to 3.3V, and millicandela rating increases from 200mcd to 250mcd. The dominant wavelength shifts from 470nm to 465nm. These electrical parameter variations are within acceptable ranges for indication applications and do not require circuit redesign. This part is available in Tape & Reel packaging with significantly higher inventory availability (14,983 pieces).

XZCBD55W-A2 (SunLED - Alternative Substitute)

The XZCBD55W-A2 from SunLED provides cross-manufacturer substitution with active product status and equivalent regulatory compliance. Mechanical footprint and mounting characteristics are identical. The lens size differs at 1.10mm diameter versus 1.60mm diameter on the main part. Forward voltage and millicandela rating are comparable to the APTL3216QBC/D. This part is supplied as a 2-SMD configuration and is available in Tape & Reel packaging.

Both substitutes meet ROHS3 compliance and maintain identical Moisture Sensitivity Level ratings. Selection between these options depends on lens size requirements and supplier preference.

Frequently Asked Questions (FAQ)

Q: Can APTL3216QBC/D be used as a direct replacement for APTL3216PBC/A without PCB modifications?

A: Yes. Both parts share identical package dimensions (1206 / 3216 Metric), mounting type (Surface Mount), and physical footprint (3.20mm L x 1.60mm W x 1.10mm H). No PCB layout changes are required.

Q: What is the impact of the forward voltage increase from 3.2V to 3.3V?

A: The 0.1V increase requires circuit verification to confirm the LED driver or current-limiting resistor can accommodate this parameter. For most indication applications operating at 20mA test current, this variation is within acceptable design margins.

Q: How does the millicandela rating change affect brightness?

A: The APTL3216QBC/D provides 250mcd compared to 200mcd on the original part, representing a 25% increase in luminous intensity. The XZCBD55W-A2 provides 248mcd. For indication applications, this increased brightness is typically acceptable and does not require design changes.

Q: What is the significance of the wavelength shift from 470nm to 465nm?

A: The dominant wavelength shifts from 470nm (blue) to 465nm (blue), representing a minor shift within the blue spectrum. Both wavelengths are visually perceived as blue and are suitable for indication purposes. The peak wavelength also shifts from 468nm to 460nm.

Q: Why does XZCBD55W-A2 have a smaller lens diameter (1.10mm vs 1.60mm)?

A: The lens size difference does not affect mechanical compatibility or PCB mounting. The smaller lens diameter may result in a more concentrated light output pattern. Optical performance should be verified for specific application requirements.

Q: Are all three parts RoHS3 compliant?

A: Yes. APTL3216PBC/A, APTL3216QBC/D, and XZCBD55W-A2 are all ROHS3 Compliant with identical Moisture Sensitivity Level ratings of 3 (168 Hours).

Q: What is the difference between Chip LED and 2-SMD supplier device packages?

A: Both are surface mount configurations compatible with the 1206 (3216 Metric) package. The supplier device package designation reflects internal component configuration but does not affect external mechanical or electrical compatibility.

Q: Which substitute has better inventory availability?

A: APTL3216QBC/D has significantly higher inventory with 14,983 pieces in stock compared to 1,063 pieces for XZCBD55W-A2.