QTLP652C4TR Equivalent & Substitute Parts

Part Overview

The QTLP652C4TR is a green 570nm LED indication component manufactured by onsemi in a 1206 (3216 Metric) surface mount package with bottom entry configuration. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The component features a colorless clear lens with round flat-top design, 13mcd brightness rating, and 2.1V forward voltage at 20mA test current.

Substiute Parts

QTLP652C4TR

onsemiIn Stock: 1134QTLP652C4TR Datasheet

Current PartRFQ

156120GS75300

Würth ElektronikIn Stock: 2111156120GS75300 Datasheet

SimilarRFQ

156120VS75300

Würth ElektronikIn Stock: 10493156120VS75300 Datasheet

SimilarRFQ

LTST-C230TGKT

Lite-On Inc.In Stock: 4098LTST-C230TGKT Datasheet

SimilarRFQ

QTLP652C4TR

onsemiIn Stock: 1134QTLP652C4TR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the QTLP652C4TR is determined by the following critical parameters: package type (1206 / 3216 Metric), mounting configuration (Surface Mount, Bottom Entry), color (Green), lens transparency (Clear), and mechanical compatibility (size and height). Forward voltage, wavelength, and brightness rating are secondary considerations that may require circuit design adjustment but do not preclude substitution within the same package family.

The substitute parts are grouped into two categories:

Direct Wavelength Substitutes: Parts maintaining wavelength characteristics within the green spectrum (565nm–575nm dominant wavelength range) with comparable forward voltage profiles.

Brightness-Enhanced Substitutes: Parts with higher millicandela ratings and adjusted forward voltage characteristics, suitable for applications where increased luminous intensity is acceptable.

All substitute parts maintain the 1206 package footprint, surface mount bottom entry configuration, and colorless clear lens specification.

Parameter Comparison

Engineering Selection Recommendations

156120VS75300 (Würth Elektronik): This part provides the closest wavelength match to the QTLP652C4TR at 573nm dominant wavelength with minimal forward voltage deviation (2.0V vs. 2.1V). Product status is active with ROHS3 compliance. Height increases to 1.40mm maximum. Moisture sensitivity level is MSL 3 (168 Hours). This substitute is suitable for direct replacement in applications where wavelength consistency is prioritized and the increased height does not conflict with PCB assembly constraints.

156120GS75300 (Würth Elektronik): This part operates at 525nm dominant wavelength with elevated forward voltage (3.3V) and significantly higher brightness (235mcd vs. 13mcd). Product status is active with ROHS3 compliance. Height increases to 1.40mm maximum. Moisture sensitivity level is MSL 3 (168 Hours). This substitute is applicable only when increased luminous intensity is required and circuit design accommodates the higher forward voltage.

LTST-C230TGKT (Lite-On Inc.): This part operates at 525nm dominant wavelength with forward voltage of 3.2V and the highest brightness rating (260.5mcd). Product status is active with ROHS3 compliance. Height remains at 1.10mm maximum, matching the original part. Lens style is rectangular rather than round. Moisture sensitivity level is MSL 2A (4 Weeks). This substitute is suitable when brightness enhancement is required and the rectangular lens geometry is acceptable for the application.

All substitute parts maintain REACH Unaffected status and EAR99 ECCN classification consistent with the original part.

Frequently Asked Questions (FAQ)

Q: Can 156120VS75300 be used as a direct drop-in replacement for QTLP652C4TR?

A: Yes, with PCB assembly consideration. The 156120VS75300 maintains identical footprint dimensions (3.20mm L x 1.60mm W) and mounting type (Surface Mount, Bottom Entry). Maximum height increases from 1.10mm to 1.40mm. Forward voltage is nearly identical (2.0V vs. 2.1V), requiring no circuit redesign. Wavelength match is excellent at 573nm vs. 570nm.

Q: What are the implications of using 156120GS75300 or LTST-C230TGKT?

A: Both parts feature significantly higher brightness (235mcd and 260.5mcd respectively vs. 13mcd original) and elevated forward voltage (3.2V–3.3V vs. 2.1V original). Circuit design modification is required to accommodate the higher forward voltage and limit current appropriately. These substitutes are suitable only when increased luminous intensity is a design requirement.

Q: Are all substitute parts RoHS compliant?

A: Yes. All three substitute parts are ROHS3 compliant. The original QTLP652C4TR does not specify RoHS status.

Q: What is the impact of different moisture sensitivity levels?

A: The original part has MSL 1 (Unlimited), indicating no moisture sensitivity. Substitute parts have MSL 2A or MSL 3, requiring controlled storage and handling. MSL 3 parts (156120VS75300 and 156120GS75300) must be stored at ≤30% relative humidity and used within 168 hours of bag opening. MSL 2A parts (LTST-C230TGKT) must be used within 4 weeks of bag opening.

Q: Does lens geometry affect substitution?

A: Lens geometry (round vs. rectangular) may affect light distribution and viewing angle characteristics. The original part and 156120VS75300 feature round lenses with 130° viewing angle. LTST-C230TGKT features a rectangular lens with 130° viewing angle. 156120GS75300 features a round lens with 140° viewing angle. Application-specific optical requirements determine acceptability.

Q: Are all parts available in the same packaging format?

A: The original QTLP652C4TR packaging is not specified. All substitute parts are available in Tape & Reel (TR) packaging, suitable for automated assembly processes.