Equivalent & Substitute Parts for C566T-RFS-CR0T0CC2

Part Overview

The C566T-RFS-CR0T0CC2 is a red diffused 5mm oval through-hole LED manufactured by CreeLED, Inc., designed for indication applications. This Active product operates at 2.3V forward voltage with a 1035mcd brightness rating and 628nm dominant wavelength. Finding equivalent substitute parts is necessary to address inventory availability, lead time constraints, or sourcing flexibility across multiple manufacturers while maintaining functional compatibility in indication circuits.

Key Parameters

Parameter	Value
Manufacturer Part Number	C566T-RFS-CR0T0CC2
Manufacturer	CreeLED, Inc.
Color	Red
Lens Transparency	Diffused
Lens Style	Oval with Domed Top
Lens Size	5.20mm x 4.60mm
Voltage - Forward (Vf) (Typ)	2.3V
Current - Test	20mA
Millicandela Rating	1035mcd
Wavelength - Dominant	628nm
Mounting Type	Through Hole
Package / Case	Radial
Height (Max)	11.90mm
RoHS Status	RoHS Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility for the C566T-RFS-CR0T0CC2 is determined by the following critical parameters:

Color and Wavelength: Red color with dominant wavelength in the 626–628nm range
Lens Configuration: Diffused oval lens with domed top, 5.20mm x 3.80mm to 5.20mm x 4.60mm
Electrical Characteristics: Forward voltage 2.1V to 2.3V at 20mA test current
Mounting: Through-hole radial configuration
Mechanical Fit: Maximum height compatibility within circuit board constraints
Compliance: RoHS and REACH compliance status

The two substitute parts listed below meet these criteria and are functionally compatible for indication applications where the C566T-RFS-CR0T0CC2 is specified.

Parameter Comparison

Parameter	C566T-RFS-CR0T0CC2 (CreeLED)	HLMP-HG74-XY0DD (Broadcom)	HLMP-HG75-XY0DD (Broadcom)
Color	Red	Red	Red
Lens Transparency	Diffused	Diffused	Diffused
Lens Style	Oval with Domed Top	Oval with Domed Top	Oval with Domed Top
Lens Size	5.20mm x 4.60mm	5.20mm x 3.80mm	5.20mm x 3.80mm
Voltage - Forward (Vf) (Typ)	2.3V	2.1V	2.1V
Current - Test	20mA	20mA	20mA
Millicandela Rating	1035mcd	2030mcd	2030mcd
Wavelength - Dominant	628nm	626nm	626nm
Wavelength - Peak	—	634nm	634nm
Viewing Angle	70°, 40°	100°, 40°	100°, 40°
Mounting Type	Through Hole	Through Hole	Through Hole
Package / Case	Radial	Radial	Radial
Height (Max)	11.90mm	7.00mm	11.30mm
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant
Packaging	Tape & Box (TB)	Cut Tape (CT)	Cut Tape (CT)

Engineering Selection Recommendations

Both HLMP-HG74-XY0DD and HLMP-HG75-XY0DD from Broadcom Limited are Active products with ROHS3 compliance and REACH Unaffected status, matching the regulatory posture of the C566T-RFS-CR0T0CC2.

HLMP-HG75-XY0DD is the preferred substitute when direct height compatibility is required. Its maximum height of 11.30mm closely aligns with the C566T-RFS-CR0T0CC2 at 11.90mm, minimizing mechanical redesign in existing PCB layouts.

HLMP-HG74-XY0DD offers a lower profile at 7.00mm maximum height and is suitable for applications where reduced vertical clearance is beneficial. The 0.2V lower forward voltage (2.1V vs. 2.3V) results in approximately 9.5mW lower power dissipation at 20mA test current.

Both substitutes provide higher brightness (2030mcd vs. 1035mcd) and wider viewing angles (100° vs. 70°), which are compatible with indication circuit requirements. The 2nm wavelength difference (626nm vs. 628nm) is imperceptible to human vision in red indication applications.

Frequently Asked Questions (FAQ)

Q: Can HLMP-HG74-XY0DD and HLMP-HG75-XY0DD be used interchangeably with C566T-RFS-CR0T0CC2?

A: Both Broadcom parts are functionally compatible substitutes. Selection depends on mechanical constraints. HLMP-HG75-XY0DD maintains similar height (11.30mm vs. 11.90mm) for direct PCB fit. HLMP-HG74-XY0DD provides a compact 7.00mm profile for space-constrained designs.

Q: What is the impact of the 0.2V forward voltage difference?

A: The HLMP-HG74-XY0DD and HLMP-HG75-XY0DD operate at 2.1V versus the C566T-RFS-CR0T0CC2 at 2.3V. In series-resistor-limited circuits, this reduces current draw slightly and lowers power dissipation. Circuit resistor values may require minor adjustment to maintain target brightness.

Q: Are the lens dimensions compatible?

A: The Broadcom substitutes have a slightly narrower lens (5.20mm x 3.80mm vs. 5.20mm x 4.60mm). This minor dimensional difference does not affect optical performance in indication applications and maintains the same 5mm oval form factor for standard mounting holes.

Q: What are the compliance differences?

A: The C566T-RFS-CR0T0CC2 is RoHS Compliant. Both HLMP-HG74-XY0DD and HLMP-HG75-XY0DD are ROHS3 Compliant, representing a more recent compliance standard. All three parts are REACH Unaffected.

Q: How do brightness levels compare?

A: The Broadcom substitutes deliver 2030mcd versus 1035mcd for the CreeLED part. This higher brightness is compatible with indication circuits and provides additional margin for visibility in high-ambient-light environments.

Q: What packaging format differences exist?

A: The C566T-RFS-CR0T0CC2 is supplied in Tape & Box (TB) format. Both Broadcom substitutes are supplied in Cut Tape (CT) format. Tape format does not affect component functionality or electrical performance.

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