FA5364X LED Orange Clear 5MM Round T/H Equivalent & Substitute Parts

Part Overview

The FA5364X is an orange 605nm LED indication component manufactured by Stanley Electric Co, configured as a discrete radial through-hole device with a 5mm round domed lens. This part is classified as obsolete, which necessitates identification of functionally equivalent substitute components for ongoing design requirements and inventory replenishment.

The FA5364X operates at a forward voltage of 1.9V with a test current of 20mA, delivering 780mcd luminous intensity at a 35° viewing angle. Its clear orange lens and through-hole radial package make it suitable for standard PCB-mounted indicator applications.

Key Parameters

Parameter	Value	Unit
Manufacturer Part Number	FA5364X	—
Manufacturer	Stanley Electric Co	—
Color	Orange	—
Lens Transparency	Clear	—
Lens Size	5mm, T-1 3/4	—
Wavelength - Dominant	605nm	nm
Wavelength - Peak	609nm	nm
Voltage - Forward (Vf) Typical	1.9V	V
Current - Test	20mA	mA
Millicandela Rating	780mcd	mcd
Viewing Angle	35°	degrees
Mounting Type	Through Hole	—
Package / Case	Radial	—
Height (Max)	8.80mm	mm
Product Status	Obsolete	—

Substitute Part Grouping Explanation

Substitution of the FA5364X is determined by the following critical parameters:

Primary Compatibility Criteria:

Color: Orange
Lens Transparency: Clear
Mounting Type: Through Hole
Package Style: Radial (5mm round)
Wavelength Range: 605nm ± acceptable tolerance
Voltage - Forward (Vf): 1.9V to 2.0V
Current - Test: 20mA nominal
Lens Style: Round with Domed Top

Substitution Logic:

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

Category A - Direct Electrical Equivalents (Vf = 1.9V, 605nm wavelength): These parts maintain the original forward voltage specification and dominant wavelength, ensuring minimal circuit redesign requirements.

Category B - Compatible Alternatives (Vf = 2.0V, 605-615nm wavelength): These parts operate at slightly elevated forward voltage with wavelength in the orange spectrum range. Circuit current-limiting resistor values may require adjustment to maintain 20mA test current.

All substitute parts listed maintain through-hole radial mounting and 5mm lens diameter specifications, ensuring mechanical compatibility with existing PCB layouts.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Color	Lens Transparency	Wavelength - Dominant (nm)	Vf Typical (V)	Current - Test (mA)	Millicandela (mcd)	Viewing Angle (°)	Height Max (mm)	Product Status
FA5364X	Stanley Electric Co	Orange	Clear	605	1.9	20	780	35	8.80	Obsolete
HLMP-C423-L0002	Broadcom Limited	Orange	Clear	605	1.9	20	170	25	8.91	Active
SLI-560DT3F	Rohm Semiconductor	Orange	Clear	611	1.9	20	1000	40	7.70	Not For New Designs
SLR-56DC3F	Rohm Semiconductor	Orange	Clear	605	2.0	10	25	40	8.90	Active
SLR-56DCT32	Rohm Semiconductor	Orange	Clear	605	2.0	10	25	40	8.90	Active
383-2USOC/S400-A6	Everlight Electronics Co Ltd	Orange	Clear	615	2.0	20	10000	6	8.90	Active
383-2USOC/S400-A7	Everlight Electronics Co Ltd	Orange	Clear	615	2.0	20	12500	6	8.90	Active
383-2USOC/S400-A8	Everlight Electronics Co Ltd	Orange	Clear	615	2.0	20	16000	6	8.90	Active

Engineering Selection Recommendations

For Direct Replacement (Minimum Circuit Modification):

The HLMP-C423-L0002 (Broadcom Limited) is the closest electrical equivalent, maintaining the 1.9V forward voltage and 605nm wavelength of the FA5364X. This part is active and ROHS3 compliant. The primary difference is reduced luminous intensity (170mcd versus 780mcd) and narrower viewing angle (25° versus 35°), which may require application-specific evaluation.

For Active Product Status with Electrical Compatibility:

The SLI-560DT3F (Rohm Semiconductor) maintains 1.9V forward voltage and 20mA test current with 605nm wavelength operation. However, this part is classified as "Not For New Designs," limiting its suitability for long-term production applications.

For Active Product Status with Voltage Adjustment:

The SLR-56DC3F and SLR-56DCT32 (Rohm Semiconductor, Series SLR-56) operate at 2.0V forward voltage with 605nm wavelength. These parts are active and ROHS3 compliant. Circuit current-limiting resistor values must be recalculated to accommodate the 0.1V voltage increase. Test current is specified at 10mA rather than 20mA.

For High-Brightness Applications:

The 383-2USOC/S400-A6, 383-2USOC/S400-A7, and 383-2USOC/S400-A8 (Everlight Electronics Co Ltd) provide significantly higher luminous intensity (10000mcd to 16000mcd) at 2.0V forward voltage. These parts operate at 615nm wavelength with narrower 6° viewing angle. Selection depends on application requirements for brightness and beam concentration. All three variants are active and ROHS3 compliant.

Compliance Considerations:

All recommended substitute parts carry ROHS3 compliance and EAR99 ECCN classification, matching the regulatory status of the FA5364X. Moisture sensitivity levels are documented for each alternative.

Frequently Asked Questions (FAQ)

Q: Can the FA5364X be directly replaced with any of these substitutes without circuit modification?

A: The HLMP-C423-L0002 maintains identical forward voltage (1.9V) and wavelength (605nm), requiring no circuit modification. However, its reduced luminous intensity (170mcd versus 780mcd) must be evaluated for application suitability. All other substitutes require circuit resistor recalculation due to voltage or current specification differences.

Q: What is the significance of the 0.1V difference between 1.9V and 2.0V forward voltage?

A: A 0.1V increase in forward voltage affects the current-limiting resistor calculation in the LED circuit. For a fixed supply voltage, a higher Vf reduces the voltage drop across the series resistor, resulting in lower LED current. Resistor values must be recalculated to maintain the desired operating current (typically 20mA for this device class).

Q: Why do the Everlight 383-2USOC series parts have such high luminous intensity compared to the FA5364X?

A: The 383-2USOC series (10000mcd to 16000mcd) represents a different performance class optimized for high-brightness indication. These parts also feature a narrower 6° viewing angle, concentrating light output in a tighter beam pattern. Selection depends on whether the application requires high brightness or wide-angle visibility.

Q: Are there differences in mechanical compatibility between these substitutes?

A: All listed substitutes maintain 5mm round lens diameter and through-hole radial mounting, ensuring PCB footprint compatibility. Height variations range from 7.70mm to 8.91mm, which may affect clearance in space-constrained applications. The FA5364X height is 8.80mm, placing it in the mid-range of substitute options.

Q: What does "Not For New Designs" mean for the SLI-560DT3F?

A: This product status indicates the part is available for existing inventory and support but is not recommended for new circuit designs. Rohm Semiconductor has likely transitioned this product line to newer alternatives. For new designs, active-status parts such as the SLR-56 series or Everlight 383-2USOC series are preferred.

Q: How do viewing angle differences affect application suitability?

A: The FA5364X provides a 35° viewing angle, suitable for applications requiring visibility across a moderate angular range. Narrower viewing angles (6° for Everlight parts, 25° for HLMP-C423-L0002) concentrate light output and are suitable for direct-line-of-sight indication. Wider angles (40° for SLR-56 series) provide visibility across broader angular ranges. Application requirements determine the appropriate viewing angle specification.

Q: Are all substitutes ROHS3 compliant?

A: All active-status substitute parts listed carry ROHS3 compliance certification. The SLI-560DT3F (Not For New Designs status) is REACH Unaffected but does not specify ROHS3 compliance in the provided data. For applications requiring ROHS3 compliance, select from active-status alternatives.

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