SMP2-SGC LED Green Clear 2-PLCC SMD

Part Overview

The SMP2-SGC is a green LED indication component manufactured by Bivar Inc., designed for surface mount applications in the 2-PLCC package format. This part operates at a forward voltage of 1.9V with a dominant wavelength of 574nm, providing 115mcd brightness for indicator applications. The SMP2-SGC is currently listed as obsolete, necessitating identification of equivalent substitute components to maintain design continuity and ensure component availability for new production runs and field replacements.

Key Parameters

Parameter	Specification
Manufacturer	Bivar Inc.
Part Number	SMP2-SGC
Package / Case	2-PLCC
Mounting Type	Surface Mount
Color	Green
Wavelength - Dominant	574nm
Voltage - Forward (Vf)	1.9V
Current - Test	20mA
Millicandela Rating	115mcd
Viewing Angle	120°
Lens Style	Round with Flat Top
Size / Dimension	3.20mm L x 2.80mm W
Height (Max)	2.00mm
Moisture Sensitivity Level (MSL)	4 (72 Hours)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the SMP2-SGC is categorized into two distinct compatibility tiers based on the following critical parameters:

Parametric Equivalent (Direct Substitute): The SMTL2-SGC from Bivar Inc. is a parametric equivalent substitute. This classification is based on matching the following electrical and mechanical specifications: identical package format (2-PLCC), identical color (green), identical dominant wavelength (574nm), identical forward voltage (1.9V), identical test current (20mA), identical viewing angle (120°), identical millicandela rating (115mcd), and identical physical dimensions (3.20mm L x 2.80mm W). The SMTL2-SGC differs only in product status (active versus obsolete), packaging configuration (Tape & Reel versus bulk), and a negligible height increase from 2.00mm to 2.10mm. This substitute provides identical functional performance in the intended application.

Similar Manufacturer Parts (Functional Substitutes): The remaining substitute parts maintain 2-PLCC package format and surface mount mounting type but differ in one or more of the following electrical parameters: forward voltage (2.0V to 3.5V range), dominant wavelength (525nm to 529nm range), or millicandela rating (90mcd to 807.5mcd range). These parts are functionally compatible for green LED indication applications where the specific wavelength and brightness characteristics can be accommodated within circuit design constraints.

Parameter Comparison

Parameter	SMP2-SGC (Original)	SMTL2-SGC (Parametric Equivalent)	SML-Z14MTT86A	SML-Z14M4TT86	HSMM-A100-U4PJ1	67-21/GBC-YV2W2N/2T
Manufacturer	Bivar Inc.	Bivar Inc.	Rohm Semiconductor	Rohm Semiconductor	Broadcom Limited	Everlight Electronics Co Ltd
Package / Case	2-PLCC	2-PLCC	2-PLCC	2-PLCC	2-PLCC	2-PLCC
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Color	Green	Green	Green	Green	Green	Green
Wavelength - Dominant	574nm	574nm	571nm	572nm	525nm	528nm
Voltage - Forward (Vf)	1.9V	1.9V	2.0V	2.1V	3.4V	3.2V
Current - Test	20mA	20mA	20mA	50mA	20mA	20mA
Millicandela Rating	115mcd	115mcd	90mcd	224mcd	787.5mcd	1350mcd
Viewing Angle	120°	120°	120°	120°	120°	120°
Lens Style	Round with Flat Top	Round with Flat Top	Round with Flat Top	Round with Flat Top	Round with Flat Top	Round with Flat Top
Size / Dimension	3.20mm L x 2.80mm W	3.20mm L x 2.80mm W	3.20mm L x 2.80mm W	3.20mm L x 2.80mm W	3.20mm L x 2.80mm W	3.20mm L x 2.80mm W
Height (Max)	2.00mm	2.10mm	2.05mm	2.05mm	2.10mm	2.10mm
Moisture Sensitivity Level (MSL)	4 (72 Hours)	4 (72 Hours)	4 (72 Hours)	3 (168 Hours)	2A (4 Weeks)	3 (168 Hours)
Product Status	Obsolete	Active	Active	Active	Active	Active
RoHS Status	Not Specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	Not Specified	Not Specified	REACH Unaffected	REACH Unaffected	REACH Unaffected	Not Specified

Engineering Selection Recommendations

First Choice for Direct Replacement: The SMTL2-SGC from Bivar Inc. is the recommended substitute when component-level compatibility is required. This part maintains identical electrical characteristics (1.9V forward voltage, 115mcd brightness, 574nm wavelength) and package geometry, ensuring no redesign or circuit re-validation is necessary. The SMTL2-SGC holds active product status with ROHS3 compliance and REACH unaffected certification, providing long-term availability and regulatory conformance.

Alternative Selections for Design Flexibility: When circuit design permits tolerance of altered electrical parameters, the SML-Z14MTT86A (Rohm Semiconductor) or SML-Z14M4TT86 (Rohm Semiconductor) offer active product status with ROHS3 compliance. Both maintain the 2.0V to 2.1V forward voltage range near the original 1.9V specification and preserve the 2-PLCC package format. The SML-Z14M4TT86 provides increased brightness (224mcd) at the cost of higher test current (50mA).

Alternative for Higher Brightness Applications: The HSMM-A100-U4PJ1 from Broadcom Limited offers significantly elevated brightness (787.5mcd) within the 2-PLCC package, suitable for applications where visibility enhancement is required. This part operates at 3.4V forward voltage and includes the most relaxed moisture sensitivity level (2A, 4 weeks) with ROHS3 compliance and REACH unaffected certification.

Consideration for Different Package Format: The 67-21/GHC-AS2U1B17Z/2T and 67-21/GHC-BV1/2T from Everlight Electronics operate in the 1411 (3528 Metric) package format, which differs materially in mechanical dimensions (height: 0.85mm versus 2.00mm to 2.10mm) and is unsuitable for direct PCB layout compatibility with the original 2-PLCC design.

Frequently Asked Questions (FAQ)

Q: Can the SMTL2-SGC be used as a direct replacement for the SMP2-SGC? A: Yes. The SMTL2-SGC is a parametric equivalent with identical electrical specifications (1.9V forward voltage, 115mcd brightness, 574nm wavelength, 20mA test current) and 2-PLCC package format. The maximum height increase of 0.10mm (from 2.00mm to 2.10mm) does not restrict mounting compatibility on standard PCBs.

Q: Why do substitute parts have different forward voltages? A: Forward voltage variation is inherent to LED manufacturing across different suppliers and production batches. Parts ranging from 2.0V to 3.4V represent different LED material compositions and designs. Circuit designs using current-limiting resistors accommodate this variation; however, designs with precise voltage regulation may require re-validation.

Q: Are all substitute parts ROHS3 compliant? A: The SMTL2-SGC, SML-Z14MTT86A, SML-Z14M4TT86, and HSMM-A100-U4PJ1 explicitly declare ROHS3 compliance. The 67-21/GBC-YV2W2N/2T and Everlight parts do not provide explicit ROHS3 status in the supplied specifications.

Q: What is the significance of the Moisture Sensitivity Level (MSL)? A: MSL indicates the maximum time an unpacked component can be exposed to moisture before soldering. The SMP2-SGC and SML-Z14MTT86A require soldering within 72 hours of opening. The HSMM-A100-U4PJ1 permits four weeks of exposure, offering greater handling flexibility during manufacturing processes.

Q: Can I substitute a part with higher millicandela rating? A: Parts with higher brightness (such as the 787.5mcd HSMM-A100-U4PJ1 versus 115mcd original) will provide increased luminous intensity. Circuit current-limiting resistors may require adjustment to maintain consistent brightness levels if the circuit design contains brightness-specific targeting. Mechanical fit remains compatible within the 2-PLCC package format.

Q: Why are the Everlight 1411 (3528 Metric) package parts listed as substitutes? A: The 67-21/GHC-AS2U1B17Z/2T and 67-21/GHC-BV1/2T are provided as functional green LED alternatives with compatible color, wavelength, and viewing angle. However, the 1411 (3528 Metric) package format yields a height of 0.85mm, which is incompatible with PCB designs originally laid out for the 2-PLCC 2.00mm height. These parts require mechanical redesign of the LED mounting position.

Q: Is the REACH unaffected status important for component selection? A: REACH unaffected status indicates the part does not contain substances subject to REACH regulation restrictions. For applications subject to EU regulatory requirements or international supply chains with EU distribution, REACH unaffected certification provides compliance assurance. This specification is explicitly provided for Rohm Semiconductor and Broadcom parts.

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