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SMP2-PGC LED Green Clear 2PLCC SMD Equivalent & Substitute Parts
Part Overview
The SMP2-PGC is a green LED indication component manufactured by Bivar Inc., featuring a 557nm dominant wavelength with 11 millicandela brightness rating in a 2-PLCC surface mount package. This part is classified as obsolete, making identification of equivalent substitute components necessary for ongoing design support, maintenance, and production continuity. The component operates at 2V forward voltage with a 20mA test current and provides a 120° viewing angle suitable for indicator applications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Bivar Inc. |
| Color | Green |
| Wavelength - Dominant | 557nm |
| Millicandela Rating | 11mcd |
| Voltage - Forward (Vf) (Typ) | 2V |
| Current - Test | 20mA |
| Viewing Angle | 120° |
| Mounting Type | Surface Mount |
| Package / Case | 2-PLCC |
| Lens Style | Round with Flat Top |
| Lens Transparency | Clear |
| Size / Dimension | 3.20mm L x 2.80mm W |
| Moisture Sensitivity Level (MSL) | 4 (72 Hours) |
Substitute Part Grouping Explanation
Substitute components for the SMP2-PGC are identified based on strict parametric equivalence across the following critical specifications:
Electrical Parameters:
- Wavelength - Dominant: 557nm (green spectrum)
- Voltage - Forward (Vf): 2V
- Current - Test: 20mA
- Millicandela Rating: 11mcd
- Viewing Angle: 120°
Mechanical Parameters:
- Package / Case: 2-PLCC
- Mounting Type: Surface Mount
- Lens Style: Round with Flat Top
- Lens Transparency: Clear
- Size / Dimension: 3.20mm L x 2.80mm W
- Moisture Sensitivity Level: 4 (72 Hours)
Manufacturer Consistency:
- Bivar Inc. (same manufacturer ensures design continuity)
The substitute part SMTL2-PGC maintains all critical electrical and mechanical parameters with the exception of packaging format (Tape & Reel versus bulk) and maximum height specification (2.10mm versus 2.00mm), which remain within acceptable tolerance for direct substitution in surface mount applications.
Parameter Comparison
| Parameter | SMP2-PGC (Main Part) | SMTL2-PGC (Substitute) | Match Status |
|---|---|---|---|
| Manufacturer | Bivar Inc. | Bivar Inc. | Identical |
| Color | Green | Green | Identical |
| Wavelength - Dominant | 557nm | 557nm | Identical |
| Millicandela Rating | 11mcd | 11mcd | Identical |
| Voltage - Forward (Vf) (Typ) | 2V | 2V | Identical |
| Current - Test | 20mA | 20mA | Identical |
| Viewing Angle | 120° | 120° | Identical |
| Mounting Type | Surface Mount | Surface Mount | Identical |
| Package / Case | 2-PLCC | 2-PLCC | Identical |
| Lens Style | Round with Flat Top | Round with Flat Top | Identical |
| Lens Transparency | Clear | Clear | Identical |
| Size / Dimension | 3.20mm L x 2.80mm W | 3.20mm L x 2.80mm W | Identical |
| Height (Max) | 2.00mm | 2.10mm | Within Tolerance |
| Moisture Sensitivity Level (MSL) | 4 (72 Hours) | 4 (72 Hours) | Identical |
| Product Status | Obsolete | Active | Upgrade Available |
| RoHS Status | Not Specified | ROHS3 Compliant | Enhanced Compliance |
Engineering Selection Recommendations
The SMTL2-PGC serves as the direct parametric equivalent for the obsolete SMP2-PGC. Selection of the SMTL2-PGC is supported by the following engineering factors:
Product Status Alignment: The SMTL2-PGC maintains active product status, ensuring continued availability and manufacturer support compared to the obsolete SMP2-PGC.
Compliance Enhancement: The SMTL2-PGC carries ROHS3 compliance certification, providing enhanced environmental and regulatory alignment for new designs and production runs.
Electrical and Optical Equivalence: All critical electrical parameters (2V forward voltage, 20mA test current, 11mcd brightness) and optical specifications (557nm wavelength, 120° viewing angle, clear round flat-top lens) are identical between the two components.
Mechanical Compatibility: The 2-PLCC surface mount package, footprint dimensions (3.20mm L x 2.80mm W), and moisture sensitivity rating (MSL 4) are identical. The maximum height variance (2.10mm versus 2.00mm) represents a 0.10mm increase and remains within standard PCB assembly tolerances for surface mount applications.
Packaging Consideration: The SMTL2-PGC is supplied in Tape & Reel format, which is standard for high-volume production environments and provides improved handling and automated placement capabilities compared to bulk packaging.
Frequently Asked Questions (FAQ)
Q: Can the SMTL2-PGC directly replace the SMP2-PGC in existing designs?
A: Yes. The SMTL2-PGC is a parametric equivalent with identical electrical characteristics (2V forward voltage, 20mA test current, 11mcd brightness, 557nm wavelength) and mechanical specifications (2-PLCC package, 3.20mm x 2.80mm footprint, 120° viewing angle). The 0.10mm height difference (2.10mm versus 2.00mm) is within standard PCB assembly tolerances.
Q: What is the primary difference between SMP2-PGC and SMTL2-PGC?
A: The primary differences are product status and packaging format. The SMP2-PGC is obsolete with bulk packaging, while the SMTL2-PGC is an active product supplied in Tape & Reel format. The SMTL2-PGC also carries ROHS3 compliance certification.
Q: Are there any electrical performance differences between these components?
A: No. Both components operate at identical forward voltage (2V), test current (20mA), brightness rating (11mcd), and wavelength (557nm). Optical performance including viewing angle (120°) and lens characteristics are also identical.
Q: Is the height difference between the two parts significant for PCB assembly?
A: No. The 0.10mm height variance (SMP2-PGC at 2.00mm maximum versus SMTL2-PGC at 2.10mm maximum) is within standard surface mount assembly tolerances and does not affect placement, reflow, or functional performance.
Q: What is the moisture sensitivity rating for both components?
A: Both the SMP2-PGC and SMTL2-PGC carry an MSL rating of 4 (72 Hours), indicating identical moisture handling and storage requirements.
Q: Does the Tape & Reel packaging of SMTL2-PGC affect component performance?
A: No. Tape & Reel packaging is a supply format that improves handling and automated placement efficiency. It does not alter electrical or optical performance of the component itself.
Q: Is ROHS3 compliance a requirement for substitution?
A: ROHS3 compliance is an enhancement provided by the SMTL2-PGC and supports regulatory alignment for new designs. The SMP2-PGC compliance status is not specified in available documentation.
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