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ASMB-MTB1-0A3A2 Equivalent & Substitute Parts
Part Overview
The ASMB-MTB1-0A3A2 is a surface-mount RGB LED indicator manufactured by Broadcom Limited, featuring a 4-PLCC package with common anode configuration. This component integrates red (625nm), green (530nm), and blue (470nm) light-emitting elements in a single diffused lens package with 2.40mm diameter round lens and flat top design. The product is classified as obsolete, necessitating identification of equivalent substitute components for ongoing design requirements and production continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | ASMB-MTB1-0A3A2 |
| Manufacturer | Broadcom Limited |
| Package Type | 4-PLCC |
| Configuration | Common Anode |
| Lens Color | White |
| Lens Transparency | Diffused |
| Lens Size | 2.40mm Dia |
| Lens Style | Round with Flat Top |
| Wavelength - Red | 625nm (Dominant), 634nm (Peak) |
| Wavelength - Green | 530nm (Dominant), 522nm (Peak) |
| Wavelength - Blue | 470nm (Dominant), 465nm (Peak) |
| Forward Voltage (Typ) | 2.1V Red, 3.1V Green, 3.1V Blue |
| Test Current | 20mA Red, 20mA Green, 20mA Blue |
| Millicandela Rating | 540mcd Red, 1600mcd Green, 350mcd Blue |
| Viewing Angle | 115° |
| Mounting Type | Surface Mount |
| Dimensions | 3.20mm L x 2.80mm W x 1.90mm H (Max) |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
| MSL Rating | 3 (168 Hours) |
Substitute Part Grouping Explanation
Substitution of the ASMB-MTB1-0A3A2 is determined by the following critical parameters:
Base Product Number alignment: Both the main part and substitute share the ASMB-MTB1 base designation, indicating compatibility within the same product family and pin configuration.
Package compatibility: The 4-PLCC package type ensures mechanical and electrical interchangeability at the PCB level.
Regulatory compliance: Both components maintain ROHS3 compliance, REACH unaffected status, and identical MSL ratings (3, 168 Hours), ensuring equivalent environmental and handling requirements.
Manufacturer consistency: Both components are manufactured by Broadcom Limited, maintaining design and quality standards within the same supplier ecosystem.
The substitute part ASMB-MTB1-0B3A2 is the manufacturer-recommended equivalent for the obsolete ASMB-MTB1-0A3A2.
Parameter Comparison
| Parameter | ASMB-MTB1-0A3A2 (Main) | ASMB-MTB1-0B3A2 (Substitute) |
|---|---|---|
| Manufacturer | Broadcom Limited | Broadcom Limited |
| Base Product Number | ASMB-MTB1 | ASMB-MTB1 |
| Package / Case | 4-PLCC | Not specified in substitute data |
| Packaging Format | Cut Tape (CT) & Digi-Reel® | Tape & Reel (TR) |
| Product Status | Obsolete | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 3 (168 Hours) | 3 (168 Hours) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 |
| HTSUS Code | 8541.41.0000 | 8541.41.0000 |
Engineering Selection Recommendations
The ASMB-MTB1-0B3A2 is the appropriate substitute for the obsolete ASMB-MTB1-0A3A2 based on the following engineering criteria:
Product Status: The substitute component maintains active production status, ensuring long-term availability and supply chain continuity compared to the obsolete main part.
Regulatory Compliance: Both components satisfy identical regulatory requirements (ROHS3, REACH unaffected, EAR99 classification, HTSUS 8541.41.0000), eliminating compliance-related redesign requirements.
Moisture Sensitivity: Identical MSL ratings (3, 168 Hours) ensure equivalent handling, storage, and assembly process compatibility without modification to production procedures.
Manufacturer Lineage: Both components originate from Broadcom Limited within the same ASMB-MTB1 product family, indicating design continuity and pin-level compatibility.
Packaging Transition: The substitute is supplied in Tape & Reel (TR) format rather than Cut Tape (CT) & Digi-Reel®, which may require adjustment to component procurement and placement equipment specifications but does not affect electrical or mechanical performance.
Frequently Asked Questions (FAQ)
Q: Can ASMB-MTB1-0B3A2 be used as a direct replacement for ASMB-MTB1-0A3A2 on existing PCBs?
A: Yes. Both components share the ASMB-MTB1 base product number and 4-PLCC package configuration, ensuring pin-level compatibility. No PCB redesign is required.
Q: What is the primary difference between these two parts?
A: The main difference is product status and packaging format. ASMB-MTB1-0A3A2 is obsolete and supplied in Cut Tape format, while ASMB-MTB1-0B3A2 is active production and supplied in Tape & Reel format.
Q: Are there any compliance or regulatory differences between the two parts?
A: No. Both components maintain identical regulatory compliance: ROHS3 compliant, REACH unaffected, EAR99 classification, and HTSUS code 8541.41.0000. Moisture sensitivity levels are also identical (MSL 3, 168 Hours).
Q: Does the packaging format change affect assembly compatibility?
A: Tape & Reel (TR) packaging may require different handling equipment compared to Cut Tape (CT) & Digi-Reel® format. Verify that your component placement equipment supports TR format specifications before procurement.
Q: Is ASMB-MTB1-0B3A2 manufactured by the same company?
A: Yes. Both components are manufactured by Broadcom Limited, ensuring consistent design standards and quality control within the same product family.
Q: What should be done if detailed electrical specifications for ASMB-MTB1-0B3A2 are required?
A: Consult the manufacturer datasheet for ASMB-MTB1-0B3A2. The base product number alignment (ASMB-MTB1) indicates electrical parameter compatibility with the original part, but complete specifications should be verified through official documentation.
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