TLHG5800 Green LED T-1 3/4 Through Hole Equivalent & Substitute Parts

Part Overview

The TLHG5800 is a green LED indicator manufactured by Vishay Semiconductor Opto Division, designed for discrete indication applications in through-hole configurations. This part operates at 2.4V forward voltage with a 700mcd brightness rating and 569nm dominant wavelength. The TLHG5800 is classified as obsolete, making equivalent and substitute parts necessary for ongoing production and maintenance applications requiring green LED indication in T-1 3/4 form factor.

Key Parameters

Parameter	Value
Manufacturer Part Number	TLHG5800
Manufacturer	Vishay Semiconductor Opto Division
Color	Green
Lens Size	5mm, T-1 3/4
Lens Style	Round with Domed Top
Lens Transparency	Clear
Voltage - Forward (Vf) Typical	2.4V
Current - Test	20mA
Millicandela Rating	700mcd
Wavelength - Dominant	569nm
Wavelength - Peak	565nm
Viewing Angle	8°
Mounting Type	Through Hole
Package / Case	Radial
Height Maximum	13.10mm
Product Status	Obsolete
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the TLHG5800 is determined by the following critical parameters:

Primary Compatibility Criteria:

Color: Green
Lens Size: 5mm, T-1 3/4
Mounting Type: Through Hole
Package / Case: Radial
Lens Style: Round with Domed Top
Lens Transparency: Clear

Secondary Electrical Parameters:

Voltage - Forward (Vf) Typical: 2.1V to 2.4V range
Current - Test: 20mA
Wavelength - Peak: 565nm to 575nm range

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

Category A - Direct Electrical Compatibility (Vf 2.1V to 2.4V, 20mA test current): Parts that operate within the forward voltage range and test current of the TLHG5800, maintaining mechanical compatibility through identical T-1 3/4 form factor and radial through-hole mounting.

Category B - Reduced Brightness Variants (Vf 2.1V to 2.3V, alternative brightness ratings): Parts that maintain mechanical and wavelength compatibility but with different millicandela ratings, suitable for applications where brightness adjustment is acceptable.

Parameter Comparison

Part Number	Manufacturer	Color	Vf (Typ)	Current - Test	mcd Rating	Wavelength - Peak	Viewing Angle	Height Max (mm)	Product Status
TLHG5800	Vishay Semiconductor Opto Division	Green	2.4V	20mA	700mcd	565nm	8°	13.10	Obsolete
LTL2R3KGKNN	Lite-On Inc.	Green	2.1V	20mA	680mcd	575nm	30°	8.70	Active
LTL2P3KGKNN	Lite-On Inc.	Green	2.1V	20mA	980mcd	575nm	22°	8.70	Active
LTL-4238	Lite-On Inc.	Green	2.1V	10mA	90mcd	565nm	16°	8.60	Active
5GC	Bivar Inc.	Green	2.1V	20mA	40mcd	568nm	35°	8.50	Active
5219201	Dialight	Green	N/A	N/A	N/A	N/A	N/A	N/A	Active
5219201F	Dialight	Green	2.1V	N/A	60mcd	565nm	N/A	N/A	Active
SLA-580MT3F	Rohm Semiconductor	Green	2.3V	20mA	470mcd	N/A	10°	8.70	Active
SSL-LX5063GC	Lumex Opto/Components Inc.	Green	2.2V	20mA	100mcd	565nm	30°	6.00	Active
MV3450	onsemi	Green	2.2V	20mA	150mcd	565nm	24°	8.89	Obsolete

Engineering Selection Recommendations

Primary Substitutes (Active Status, Full Electrical Compatibility):

LTL2R3KGKNN and LTL2P3KGKNN from Lite-On Inc. are the preferred substitutes. Both maintain 20mA test current and operate within the acceptable forward voltage range (2.1V). LTL2R3KGKNN provides 680mcd brightness closest to the TLHG5800's 700mcd rating with 30° viewing angle. LTL2P3KGKNN offers higher brightness at 980mcd with 22° viewing angle. Both are ROHS3 compliant and carry active product status.

Secondary Substitutes (Active Status, Reduced Brightness):

LTL-4238 from Lite-On Inc. operates at 2.1V with 90mcd brightness and 16° viewing angle, suitable for applications where lower brightness is acceptable. SLA-580MT3F from Rohm Semiconductor operates at 2.3V with 470mcd brightness and 10° viewing angle, providing moderate brightness reduction. SSL-LX5063GC from Lumex Opto/Components Inc. operates at 2.2V with 100mcd brightness and 30° viewing angle.

Alternative Substitutes (Active Status, Brightness Reduction):

5GC from Bivar Inc. operates at 2.1V with 40mcd brightness and 35° viewing angle, suitable for applications requiring wide viewing angle with reduced brightness. 5219201F from Dialight operates at 2.1V with 60mcd brightness, designed for incandescent lamp replacement applications.

Compatibility Considerations:

All substitute parts maintain T-1 3/4 form factor, radial through-hole mounting, and clear lens transparency. Forward voltage ranges from 2.1V to 2.3V are compatible with standard LED circuit designs accommodating the TLHG5800's 2.4V specification. Brightness variations (40mcd to 980mcd) require circuit evaluation based on application requirements. Viewing angle variations (8° to 35°) should be assessed against optical design specifications.

Frequently Asked Questions (FAQ)

Q: Can LTL2R3KGKNN directly replace TLHG5800 without circuit modification?

A: LTL2R3KGKNN operates at 2.1V forward voltage compared to TLHG5800's 2.4V. Standard LED series resistor circuits will accommodate this 0.3V difference. Verify that your current-limiting resistor is sized for 20mA operation at the lower voltage. No other circuit modifications are required for mechanical or electrical compatibility.

Q: What is the brightness difference between TLHG5800 and available substitutes?

A: TLHG5800 operates at 700mcd. LTL2P3KGKNN provides 980mcd (higher brightness), LTL2R3KGKNN provides 680mcd (comparable), SLA-580MT3F provides 470mcd (moderate reduction), and LTL-4238 provides 90mcd (significant reduction). Select based on your application's brightness requirements.

Q: Are all substitute parts RoHS3 compliant?

A: All listed substitute parts with active product status are ROHS3 compliant. MV3450 is obsolete and should not be selected for new designs. Verify RoHS compliance documentation for your specific procurement source.

Q: How do viewing angle differences affect substitution?

A: TLHG5800 has an 8° viewing angle (narrow). Substitutes range from 10° to 35°. Wider viewing angles (LTL2R3KGKNN at 30°, 5GC at 35°) distribute light over a larger area, reducing peak brightness perception. Narrower angles (LTL-4238 at 16°, SLA-580MT3F at 10°) concentrate light. Select based on your optical design requirements.

Q: Can I use 5219201 or 5219201F as substitutes?

A: 5219201 is a generic 5mm through-hole LED with limited electrical specifications provided. 5219201F is designed for incandescent lamp replacement with 60mcd brightness at 2.1V. Both are active products but offer reduced brightness compared to TLHG5800. Use only if your application tolerates significant brightness reduction.

Q: What is the height difference between TLHG5800 and substitutes?

A: TLHG5800 has a maximum height of 13.10mm. Most substitutes range from 6.00mm to 8.89mm, making them shorter. Verify that your PCB layout and mechanical clearances accommodate the reduced height. This may affect optical alignment in some applications.

Q: Are there any REACH compliance concerns with these substitutes?

A: LTL2R3KGKNN is listed as REACH Affected. All other active substitutes are REACH Unaffected. Verify REACH compliance requirements for your specific application and procurement region before final selection.

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