Equivalent & Substitute Parts for 3GC-F Green LED T-1 Through Hole

Part Overview

The Bivar Inc. 3GC-F is a green LED indication component featuring a clear lens, T-1 form factor, and through-hole radial mounting. This part operates at 2.1V forward voltage with a 40mcd brightness rating and 568nm peak wavelength. The 3GC-F is classified as obsolete, necessitating identification of functionally equivalent substitute components for ongoing design requirements and production continuity.

Key Parameters

Parameter	Value
Color	Green
Lens Transparency	Clear
Lens Size	3mm, T-1
Voltage - Forward (Vf) (Typ)	2.1V
Current - Test	20mA
Millicandela Rating	40mcd
Wavelength - Peak	568nm
Mounting Type	Through Hole
Package / Case	Radial
Height (Max)	5.30mm

Substitute Part Grouping Explanation

Substitution of the 3GC-F is determined by the following critical parameters:

Primary Compatibility Criteria:

Color: Green
Lens Transparency: Clear
Lens Size: 3mm, T-1 form factor
Voltage - Forward (Vf): 2.1V nominal
Current - Test: 20mA
Mounting Type: Through Hole Radial
Wavelength - Peak: 568nm ±10nm range

Secondary Compatibility Criteria:

Millicandela Rating: 40mcd ±50% acceptable range
Height (Max): 5.30mm ±1.0mm acceptable range
Package / Case: Radial configuration

Substitute parts are grouped into two categories:

Category A - Direct Electrical & Optical Equivalents (Clear Lens, Green Color, 568nm Peak Wavelength): Parts meeting all primary criteria with identical lens transparency and wavelength specifications.

Category B - Functional Equivalents (Green Color, Through Hole, 2.1V, 20mA Test Current): Parts meeting core electrical and mechanical requirements with acceptable variations in brightness, wavelength, or lens characteristics.

Parameter Comparison

Part Number	Manufacturer	Color	Lens Transparency	Vf (Typ)	Current - Test	mcd Rating	Peak Wavelength	Viewing Angle	Height (Max)	Product Status
3GC-F	Bivar Inc.	Green	Clear	2.1V	20mA	40mcd	568nm	20°	5.30mm	Obsolete
HLMP-Y801-JPP00	Broadcom Limited	Green	Clear	2.1V	20mA	310mcd	575nm	30°	5.20mm	Active
LTL-4236N	Lite-On Inc.	Green	Clear	2.1V	10mA	40mcd	565nm	45°	5.85mm	Active
LTL1CHKGKNN	Lite-On Inc.	Green	Clear	2.05V	20mA	320mcd	575nm	45°	5.20mm	Active
MV7442	Fairchild Semiconductor	Green	Clear	2.1V	20mA	120mcd	565nm	45°	6.30mm	Active
SLR-343MC3F	Rohm Semiconductor	Green	Clear	2.1V	10mA	25mcd	572nm	40°	5.60mm	Not For New Designs
3GD-F	Bivar Inc.	Green	Diffused	2.1V	20mA	25mcd	568nm	35°	5.30mm	Active
151031VS04000	Würth Elektronik	Green	Diffused	2.1V	20mA	120mcd	573nm	40°	5.55mm	Active
264-7SYGC/S530-E2	Everlight Electronics Co Ltd	Yellow-Green	Clear	2V	20mA	100mcd	575nm	40°	6.30mm	Active
SLR-343PC3F	Rohm Semiconductor	Green	Clear	2.1V	10mA	6.3mcd	560nm	40°	5.60mm	Last Time Buy

Engineering Selection Recommendations

Recommended Primary Substitutes (Active Product Status, Full Compliance):

HLMP-Y801-JPP00 (Broadcom Limited) is the preferred substitute for new designs. This part maintains identical electrical specifications (2.1V, 20mA test current), clear lens transparency, and green color. The 310mcd brightness exceeds the 3GC-F requirement, providing enhanced visibility margin. Peak wavelength of 575nm is within acceptable green spectrum range. ROHS3 compliant with unlimited moisture sensitivity rating. Height of 5.20mm is within acceptable tolerance.

LTL1CHKGKNN (Lite-On Inc.) provides an alternative with equivalent brightness (320mcd) and identical test current (20mA). Forward voltage of 2.05V is within acceptable tolerance of 2.1V specification. Peak wavelength of 575nm maintains green color specification. ROHS3 compliant. Height of 5.20mm meets dimensional requirements. Suitable for applications requiring higher brightness than original specification.

MV7442 (Fairchild Semiconductor) offers compatibility with 2.1V forward voltage and 20mA test current. Brightness of 120mcd provides moderate increase over 3GC-F. Peak wavelength of 565nm maintains green specification. ROHS3 compliant. Height of 6.30mm exceeds original by 1.0mm but remains within acceptable mechanical tolerance for most through-hole applications.

Secondary Substitutes (Active Status, Lens Transparency Variation):

3GD-F (Bivar Inc.) maintains identical manufacturer and electrical specifications (2.1V, 20mA) with same peak wavelength (568nm). Lens transparency is diffused rather than clear, resulting in lower brightness (25mcd) and wider viewing angle (35°). Suitable for applications where diffused lens characteristics are acceptable. Active product status with unlimited moisture sensitivity.

151031VS04000 (Würth Elektronik) provides diffused lens alternative with enhanced brightness (120mcd) and wider viewing angle (40°). Electrical specifications match (2.1V, 20mA). Peak wavelength of 573nm maintains green specification. ROHS3 compliant. Height of 5.55mm within acceptable tolerance.

Not Recommended for New Designs:

SLR-343MC3F (Rohm Semiconductor) carries "Not For New Designs" status. Although electrically compatible, this designation indicates manufacturer discontinuation trajectory.

SLR-343PC3F (Rohm Semiconductor) carries "Last Time Buy" status with significantly reduced brightness (6.3mcd), making it unsuitable for applications requiring 40mcd minimum performance.

264-7SYGC/S530-E2 (Everlight Electronics) is yellow-green rather than pure green, with forward voltage of 2V (0.1V below specification). Suitable only for applications where yellow-green color is acceptable.

Frequently Asked Questions (FAQ)

Q: Can the 3GC-F be directly replaced with HLMP-Y801-JPP00?

A: Yes. Both parts share identical electrical specifications (2.1V forward voltage, 20mA test current), clear lens transparency, green color, T-1 form factor, and through-hole radial mounting. The HLMP-Y801-JPP00 provides higher brightness (310mcd vs. 40mcd), which is compatible with applications designed for the 3GC-F. Peak wavelength variation (575nm vs. 568nm) remains within acceptable green spectrum range.

Q: What is the difference between clear and diffused lens options?

A: Clear lens (3GC-F, HLMP-Y801-JPP00, LTL-4236N, LTL1CHKGKNN, MV7442) provides concentrated light output with narrow viewing angle (20-45°) and higher apparent brightness at direct viewing angles. Diffused lens (3GD-F, 151031VS04000) scatters light across wider viewing angles (35-40°) with lower peak brightness but more uniform visibility from off-axis positions. Selection depends on application viewing geometry requirements.

Q: Are all substitute parts RoHS3 compliant?

A: All recommended active substitutes (HLMP-Y801-JPP00, LTL1CHKGKNN, LTL-4236N, MV7442, 3GD-F, 151031VS04000) are ROHS3 compliant. SLR-343MC3F and SLR-343PC3F are also ROHS3 compliant but carry discontinued or last-time-buy status. The original 3GC-F product status is obsolete.

Q: What is the acceptable brightness range for substitution?

A: The 3GC-F specifies 40mcd at 20mA test current. Substitute parts with brightness between 20mcd and 320mcd are functionally compatible, as LED brightness variations do not affect circuit operation. Applications designed for 40mcd will function with higher brightness substitutes (HLMP-Y801-JPP00 at 310mcd, LTL1CHKGKNN at 320mcd, MV7442 at 120mcd). Lower brightness substitutes (3GD-F at 25mcd, SLR-343MC3F at 25mcd) are acceptable where reduced visibility is tolerable.

Q: Can forward voltage tolerance affect circuit compatibility?

A: The 3GC-F specifies 2.1V typical forward voltage. Substitute parts with forward voltage between 2.0V and 2.1V (LTL1CHKGKNN at 2.05V, 264-7SYGC/S530-E2 at 2.0V) are compatible with series resistor-limited circuits. Voltage variation of ±0.1V is within typical LED tolerance and does not require circuit redesign for standard indicator applications. Current-limiting resistor values may require minor adjustment for precise brightness matching.

Q: What mounting considerations apply to height variations?

A: The 3GC-F specifies maximum height of 5.30mm. Substitute parts with heights up to 5.85mm (LTL-4236N) or 6.30mm (MV7442, 264-7SYGC/S530-E2) are mechanically compatible with standard through-hole PCB layouts, as these variations fall within typical component height tolerances for automated assembly and manual insertion. Height verification is recommended only for applications with strict vertical clearance constraints (e.g., low-profile enclosures).

Q: Are there wavelength restrictions for color matching?

A: The 3GC-F specifies 568nm peak wavelength within the green spectrum. Substitute parts with peak wavelengths between 560nm and 575nm (LTL-4236N at 565nm, SLR-343PC3F at 560nm, HLMP-Y801-JPP00 at 575nm, LTL1CHKGKNN at 575nm, MV7442 at 565nm) maintain green color perception and are visually equivalent. The 264-7SYGC/S530-E2 at 573nm is yellow-green and may appear slightly different in color-critical applications.

Q: Which substitute offers the best inventory availability?

A: LTL-4236N (Lite-On Inc.) provides the highest inventory availability at 47,349 pieces in stock. LTL1CHKGKNN offers 31,919 pieces. HLMP-Y801-JPP00 provides 1,912 pieces. All three are active products with ROHS3 compliance and suitable for immediate production use.

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