TLHP4405 LED Green Diffused T-1 Through Hole Equivalent & Substitute Parts

Part Overview

The TLHP4405 is a green diffused T-1 through-hole LED manufactured by Vishay Semiconductor Opto Division, designed for LED indication applications with a dominant wavelength of 560nm. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing production and maintenance applications. This reference provides direct substitutes based on electrical and mechanical compatibility parameters.

Key Parameters

Parameter	TLHP4405 Value
Color	Green
Lens Transparency	Diffused
Lens Size	3mm, T-1
Voltage - Forward (Vf) Typical	2.4V
Current - Test	10mA
Millicandela Rating	4.6mcd
Viewing Angle	60°
Mounting Type	Through Hole
Wavelength - Dominant	560nm
Wavelength - Peak	555nm
Package / Case	Radial
Height (Max)	6.10mm
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the TLHP4405 is determined by the following critical parameters:

Primary Compatibility Criteria:

Color: Green (560nm dominant wavelength range)
Lens Transparency: Diffused
Lens Size: 3mm, T-1 form factor
Mounting Type: Through Hole Radial
Voltage - Forward (Vf): 2.0V to 2.4V range
Current - Test: 10mA to 20mA range
Viewing Angle: 35° to 60°
RoHS3 Compliance and MSL 1 rating

Substitute parts are grouped into two categories based on electrical compatibility:

Category A - Direct Green Diffused T-1 Substitutes (Closest Match): Parts matching green color, diffused lens, T-1 form factor, and forward voltage within 2.0V to 2.4V range at 10mA test current.

Category B - Alternative Green Diffused 3mm Substitutes (Extended Compatibility): Parts with green color and diffused lens in 3mm form factor but with different electrical characteristics (forward voltage, test current, or brightness) that may require circuit adjustment.

Category C - Non-Diffused or Alternative Wavelength Substitutes (Limited Compatibility): Parts with different lens transparency or wavelength characteristics that may be suitable only for applications where lens type or brightness is not critical.

Parameter Comparison

Part Number	Manufacturer	Color	Lens Transparency	Lens Size	Vf (Typ)	Test Current	Brightness (mcd)	Viewing Angle	Height (Max)	Product Status	Packaging
TLHP4405	Vishay	Green	Diffused	3mm, T-1	2.4V	10mA	4.6mcd	60°	6.10mm	Obsolete	Radial
3GDL-F	Bivar Inc.	Green	Diffused	3mm, T-1	2.1V	2mA	4mcd	35°	5.30mm	Active	Bulk
3GD-F	Bivar Inc.	Green	Diffused	3mm, T-1	2.1V	20mA	25mcd	35°	5.30mm	Active	Bulk
HLMP-1503-D0000	Broadcom Limited	Green	Diffused	3mm, T-1	2.1V	10mA	4.2mcd	60°	6.35mm	Active	Bulk
HLMP-1503-D0002	Broadcom Limited	Green	Diffused	3mm, T-1	2.1V	10mA	4.2mcd	60°	6.35mm	Active	Cut Tape (CT)
HLMP-1503-D00FG	Broadcom Limited	Green	Diffused	3mm, T-1	2.1V	10mA	4.2mcd	60°	6.35mm	Active	Bulk
264-7SYGD/S530-E2	Everlight Electronics	Yellow-Green	Diffused	2.90mm Dia	2.0V	20mA	50mcd	60°	6.20mm	Active	Bulk
414SYGD/S530-E2	Everlight Electronics	Yellow-Green	Diffused	3.00mm Dia	2.0V	20mA	12.5mcd	140°	7.00mm	Active	Tape & Reel (TR)
5219323F	Dialight	Green	Diffused	3.00mm Dia	7.5V	10mA	19mcd	60°	5.86mm	Active	Bulk
5219326F	Dialight	Green	Diffused	3.00mm Dia	1.9V	2mA	1.6mcd	60°	5.86mm	Active	Bulk
5219430F	Dialight	Green	Clear	2.90mm Dia	2.1V	10mA	50mcd	45°	5.89mm	Active	Bulk

Engineering Selection Recommendations

Recommended Primary Substitutes (Category A - Highest Compatibility):

The HLMP-1503 series from Broadcom Limited (HLMP-1503-D0000, HLMP-1503-D0002, HLMP-1503-D00FG) provides the closest electrical and mechanical match to the TLHP4405. These parts maintain green diffused T-1 form factor, operate at 2.1V forward voltage with 10mA test current, deliver comparable brightness at 4.2mcd, and maintain 60° viewing angle. All variants are ROHS3 compliant with MSL 1 rating. The HLMP-1503-D0002 variant in Cut Tape packaging offers the highest inventory availability at 35,458 pieces.

Secondary Substitutes (Category A - Acceptable Compatibility):

The Bivar 3GD-F operates at 2.1V with 20mA test current and delivers 25mcd brightness, suitable for applications requiring higher brightness. The 3GDL-F variant at 2.1V with 2mA test current and 4mcd brightness matches low-power applications. Both maintain green diffused T-1 form factor and are ROHS3 compliant.

Alternative Substitutes (Category B - Extended Compatibility):

The Dialight 5219326F operates at 1.9V with 2mA test current and 1.6mcd brightness for ultra-low-power applications. The 5219323F operates at 7.5V with 10mA test current and 19mcd brightness for higher-voltage circuits. Both are ROHS3 compliant but require circuit voltage adjustment.

Limited Compatibility Substitutes (Category C):

The Everlight 264-7SYGD/S530-E2 and 414SYGD/S530-E2 are yellow-green (573nm) rather than pure green, suitable only where color shift is acceptable. The Dialight 5219430F has clear lens transparency instead of diffused, altering light distribution characteristics.

All recommended substitutes maintain ROHS3 compliance and MSL 1 moisture sensitivity rating consistent with the original TLHP4405 specification.

Frequently Asked Questions (FAQ)

Q: Can I use the Everlight 264-7SYGD/S530-E2 as a direct replacement for the TLHP4405?

A: The Everlight part is yellow-green (573nm dominant wavelength) rather than pure green (560nm). While it maintains diffused lens transparency and similar electrical characteristics (2.0V forward voltage, 60° viewing angle), the color shift may not be acceptable for applications requiring specific green indication. Verify color requirements before substitution.

Q: What is the difference between HLMP-1503-D0000, HLMP-1503-D0002, and HLMP-1503-D00FG?

A: All three variants are electrically and mechanically identical with 2.1V forward voltage, 10mA test current, 4.2mcd brightness, and 60° viewing angle. The difference is packaging: D0000 is Bulk, D0002 is Cut Tape (CT), and D00FG is Bulk. The D0002 variant has significantly higher inventory availability (35,458 pieces).

Q: Can I use the Dialight 5219323F which operates at 7.5V instead of 2.4V?

A: The 5219323F requires a different circuit design due to its 7.5V forward voltage specification. Direct substitution without circuit modification will result in incorrect LED operation. Use only if your circuit can accommodate 7.5V forward voltage at 10mA test current.

Q: Why is the Dialight 5219430F listed as limited compatibility?

A: The 5219430F has clear lens transparency instead of diffused. This changes light distribution characteristics and brightness perception. While electrically compatible at 2.1V forward voltage and 10mA test current, the clear lens produces a different optical output pattern unsuitable for applications requiring diffused light distribution.

Q: Are all substitute parts ROHS3 compliant?

A: Yes, all listed substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the original TLHP4405 environmental specifications.

Q: What is the key parameter difference between the Bivar 3GD-F and 3GDL-F?

A: Both operate at 2.1V forward voltage with green diffused T-1 form factor. The 3GD-F is rated for 20mA test current with 25mcd brightness, while the 3GDL-F is rated for 2mA test current with 4mcd brightness. Select based on your circuit's current capability and required brightness level.

Q: Can I substitute the TLHP4405 with a yellow-green LED?

A: Yellow-green LEDs (573nm wavelength) produce a visually different color output compared to pure green (560nm). Substitution is only acceptable if your application does not require specific green color indication or if color shift has been approved by design review.

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