FR5364X LED Red Clear 5MM Round T/H Equivalent & Substitute Parts

Part Overview

The FR5364X is a red LED indication component manufactured by Stanley Electric Co, designed for through-hole mounting in 5mm T-1 3/4 form factor. This part operates at 1.9V forward voltage with 580mcd luminous intensity and a 626nm dominant wavelength. The FR5364X is classified as obsolete, making equivalent and substitute parts necessary for ongoing production, maintenance, and design continuity. Substitute parts must maintain compatibility with through-hole mounting requirements, red color specification, and similar electrical operating parameters.

Key Parameters

Parameter	FR5364X Value	Criticality for Substitution
Mounting Type	Through Hole	Critical
Lens Size	5mm, T-1 3/4	Critical
Color	Red	Critical
Voltage - Forward (Vf) (Typ)	1.9V	High
Current - Test	20mA	High
Wavelength - Dominant	626nm	High
Millicandela Rating	580mcd	Medium
Viewing Angle	35°	Medium
Package / Case	Radial	Critical
Height (Max)	8.80mm	Medium

Substitute Part Grouping Explanation

Substitution logic for the FR5364X is based on the following allowed parameters:

Critical Parameters (Must Match):

Mounting Type: Through Hole
Lens Size: 5mm, T-1 3/4 form factor
Color: Red
Package / Case: Radial

High Priority Parameters (Should Match Within Tolerance):

Voltage - Forward (Vf): 1.9V nominal (acceptable range 1.7V to 2.0V)
Current - Test: 20mA
Wavelength - Dominant: 626nm (acceptable range 620nm to 635nm)

Medium Priority Parameters (Flexible):

Millicandela Rating: 580mcd (substitutes may vary based on application requirements)
Viewing Angle: 35° (acceptable range 24° to 50°)
Height: 8.80mm maximum (acceptable up to 12.44mm for through-hole applications)

Substitute parts are grouped into two categories:

Category A - Direct Electrical Equivalents (Vf 1.9V, 626nm wavelength):

HLMP-3366 (Broadcom Limited)
LTL-307EE-012 (Lite-On Inc.)
SLI-560UT3F (Rohm Semiconductor)
HLMP-D155 (Broadcom Limited)

Category B - Functional Equivalents (Vf 2.0V, 624nm wavelength, higher brightness):

383-2SURC/S400-A6 (Everlight Electronics Co Ltd)
383-2SURC/S400-A8 (Everlight Electronics Co Ltd)
383-2SURC/S530-A3 (Everlight Electronics Co Ltd)
383-2SURC/S530-A4 (Everlight Electronics Co Ltd)
383-2SURC/S530-A5 (Everlight Electronics Co Ltd)

Parameter Comparison

Part Number	Manufacturer	Vf (Typ)	Current - Test	Wavelength - Dominant	Millicandela Rating	Viewing Angle	Height (Max)	Product Status	RoHS Status
FR5364X	Stanley Electric Co	1.9V	20mA	626nm	580mcd	35°	8.80mm	Obsolete	Not Specified
HLMP-3366	Broadcom Limited	1.9V	10mA	626nm	13.8mcd	50°	6.35mm	Active	ROHS3 Compliant
HLMP-D155	Broadcom Limited	1.7V	1mA	640nm	10mcd	24°	12.44mm	Active	ROHS3 Compliant
LTL-307EE-012	Lite-On Inc.	2V	20mA	623nm	90mcd	40°	9.85mm	Active	ROHS3 Compliant
SLI-560UT3F	Rohm Semiconductor	1.9V	20mA	630nm	1000mcd	40°	7.70mm	Not For New Designs	ROHS3 Compliant
383-2SURC/S400-A6	Everlight Electronics Co Ltd	2V	20mA	624nm	6300mcd	6°	8.90mm	Active	ROHS3 Compliant
383-2SURC/S400-A8	Everlight Electronics Co Ltd	2V	20mA	624nm	12500mcd	6°	8.90mm	Active	ROHS3 Compliant
383-2SURC/S530-A3	Everlight Electronics Co Ltd	2V	20mA	624nm	2500mcd	6°	8.90mm	Active	ROHS3 Compliant
383-2SURC/S530-A4	Everlight Electronics Co Ltd	2V	20mA	624nm	4000mcd	6°	8.90mm	Active	ROHS3 Compliant
383-2SURC/S530-A5	Everlight Electronics Co Ltd	2V	20mA	624nm	5000mcd	6°	8.90mm	Active	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Electrical Equivalence (Recommended Primary Substitutes):

LTL-307EE-012 (Lite-On Inc.) is the primary recommended substitute. This part maintains 1.9V forward voltage operation, 20mA test current, and 623nm dominant wavelength within 3nm of the FR5364X specification. The part is Active status with ROHS3 compliance, ensuring long-term availability and regulatory compliance. Height of 9.85mm is within acceptable through-hole mounting tolerance.

SLI-560UT3F (Rohm Semiconductor) provides electrical equivalence at 1.9V and 20mA with 630nm wavelength. Although classified as Not For New Designs, this part maintains 1000mcd brightness and is suitable for replacement applications where existing inventory exists. ROHS3 compliance is confirmed.

For Functional Equivalence with Enhanced Brightness:

The Everlight Electronics 383-2SURC series (S530-A3, S530-A4, S530-A5) offers active product status with ROHS3 compliance. These parts operate at 2V forward voltage (0.1V above FR5364X) with 20mA test current and 624nm wavelength. Brightness ratings range from 2500mcd to 5000mcd, providing options for applications requiring higher luminous intensity. The 6° viewing angle is narrower than FR5364X, suitable for focused indication applications.

For Low-Brightness Applications:

HLMP-3366 (Broadcom Limited) operates at 1.9V with 626nm wavelength matching the FR5364X. However, the 13.8mcd rating is significantly lower, making this suitable only for applications where reduced brightness is acceptable. Active status and ROHS3 compliance are confirmed.

Compliance Considerations:

All recommended substitutes carry ROHS3 compliance certification. The FR5364X product status is Obsolete; all substitute parts listed are either Active or Not For New Designs, ensuring design continuity and regulatory alignment for new production.

Frequently Asked Questions (FAQ)

Q: Can I use 383-2SURC/S530-A5 as a direct replacement for FR5364X?

A: Yes, with circuit design consideration. The 383-2SURC/S530-A5 operates at 2V forward voltage compared to FR5364X at 1.9V. This 0.1V difference requires verification that your current-limiting resistor accommodates the higher voltage drop. The 5000mcd brightness is significantly higher than FR5364X's 580mcd, which may require optical design adjustment if brightness consistency is critical.

Q: What is the difference between the Everlight 383-2SURC/S530 series parts?

A: The 383-2SURC/S530 series differs only in millicandela rating: S530-A3 (2500mcd), S530-A4 (4000mcd), and S530-A5 (5000mcd). All other electrical and mechanical parameters are identical. Selection depends on required brightness for your application.

Q: Is HLMP-D155 compatible with FR5364X?

A: HLMP-D155 is not recommended as a direct substitute. Although it is a through-hole red LED in T-1 3/4 form factor, the 1.7V forward voltage is 0.2V lower than FR5364X, and the 640nm wavelength is 14nm longer, resulting in a deeper red color. The 10mA test current and 10mcd brightness are significantly different from FR5364X specifications.

Q: Why do some substitutes have narrower viewing angles?

A: Viewing angle is determined by lens design and internal LED chip configuration. The Everlight 383-2SURC series features 6° viewing angles compared to FR5364X's 35°, making them suitable for focused indication applications where light concentration is required. For applications requiring wide-angle visibility, LTL-307EE-012 with 40° viewing angle is more appropriate.

Q: Are all substitute parts RoHS compliant?

A: All substitute parts listed carry ROHS3 compliance certification. The FR5364X product status does not specify RoHS compliance. If RoHS compliance is required for your application, all listed substitutes meet this requirement.

Q: Can I use SLI-560UT3F if it is marked Not For New Designs?

A: SLI-560UT3F is suitable for replacement and maintenance applications where existing designs are already in production. The Not For New Designs status indicates that Rohm Semiconductor does not recommend this part for new product development. For new designs, LTL-307EE-012 or the Everlight 383-2SURC series are preferred.

Q: What is the impact of using a higher brightness LED substitute?

A: Higher brightness substitutes such as 383-2SURC/S400-A8 (12500mcd) may require optical filtering or reduced drive current to maintain consistent brightness perception in your application. Circuit design review is necessary to ensure the higher luminous intensity does not create unintended visual effects or exceed application requirements.

Q: Are there packaging differences between substitutes?

A: Yes. FR5364X packaging is listed as "-" (not specified). LTL-307EE-012 is supplied in Tape & Reel (TR) format. All Everlight 383-2SURC parts and other substitutes are supplied in Bulk packaging. Verify packaging compatibility with your assembly process requirements.

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