MR5461 Equivalent & Substitute Parts

Part Overview

The onsemi MR5461 is an obsolete green diffused LED in T-1 (3mm) through-hole package, rated for 12V forward voltage with 4mcd brightness and 60° viewing angle. Due to its obsolete product status, direct replacement with active production alternatives is necessary for new designs and ongoing inventory management. Substitute parts must maintain compatibility with through-hole mounting, green color specification, and diffused lens characteristics while accommodating variations in electrical ratings and brightness levels.

Key Parameters

Parameter	MR5461 Value
Manufacturer	onsemi
Product Status	Obsolete
Color	Green
Lens Transparency	Diffused
Lens Size	3mm, T-1
Lens Style	Round with Domed Top
Mounting Type	Through Hole
Package / Case	Radial
Voltage - Forward (Vf) (Typ)	12V
Current - Test	13mA
Millicandela Rating	4mcd
Viewing Angle	60°
Wavelength - Peak	565nm
Height (Max)	6.30mm
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the MR5461 are grouped based on the following critical parameters that determine functional compatibility:

Primary Compatibility Criteria:

Color: Green (includes yellow-green variants)
Lens Transparency: Diffused
Mounting Type: Through Hole
Package Style: Radial, 3mm T-1 form factor
Lens Style: Round with Domed Top (primary) or Round with Flat Top (secondary)

Electrical Compatibility Considerations:

Forward Voltage (Vf): Ranges from 1.9V to 12V depending on application circuit design
Current Rating: 2mA to 20mA test current
Brightness (mcd): 1.6mcd to 50mcd, dependent on circuit current limiting

Compliance Considerations:

RoHS Status: Active substitutes are ROHS3 compliant, addressing the non-compliant status of MR5461
Product Status: Active production parts ensure long-term availability

Substitutes are organized into two functional groups: direct electrical equivalents (matching 12V rating) and alternative voltage-rated options requiring circuit adaptation.

Parameter Comparison

Parameter	MR5461	HLMP-1641	3GDL-F	HLMP-1640	151031VS06000	264-7SYGD/S530-E2	3GD-F	HLMP-1790
Manufacturer	onsemi	Broadcom Limited	Bivar Inc.	Broadcom Limited	Würth Elektronik	Everlight Electronics Co Ltd	Bivar Inc.	Broadcom Limited
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active
Color	Green	Green	Green	Green	Green	Yellow-Green	Green	Green
Lens Transparency	Diffused	Diffused	Diffused	Diffused	Diffused	Diffused	Diffused	Diffused
Lens Size	3mm, T-1	3mm, T-1	3mm, T-1	3mm, T-1	3.00mm Dia	2.90mm Dia	3mm, T-1	3mm, T-1
Lens Style	Round with Domed Top	Round with Domed Top	Round with Domed Top	Round with Domed Top	Round with Domed Top	Round with Domed Top	Round with Domed Top	Round with Domed Top
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	Radial	Radial	Radial	Radial	Radial	Radial	Radial	Radial
Voltage - Forward (Vf) (Typ)	12V	12V	2.1V	5V	2.2V	2V	2.1V	1.9V
Current - Test	13mA	13mA	2mA	10mA	20mA	20mA	20mA	2mA
Millicandela Rating	4mcd	1.6mcd	4mcd	1.6mcd	30mcd	50mcd	25mcd	2.3mcd
Viewing Angle	60°	60°	35°	60°	60°	60°	35°	50°
Wavelength - Peak	565nm	565nm	568nm	565nm	560nm	575nm	568nm	565nm
Height (Max)	6.30mm	6.35mm	5.30mm	6.35mm	5.55mm	6.20mm	5.30mm	6.35mm
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Direct Electrical Equivalent (12V Rating):

HLMP-1641 from Broadcom Limited is the primary substitute for MR5461. Both parts share identical 12V forward voltage and 13mA test current specifications, enabling direct circuit substitution without modification. HLMP-1641 maintains the same 3mm T-1 through-hole radial package, diffused green lens, and 60° viewing angle. The primary advantage is active product status and ROHS3 compliance, addressing the obsolescence and regulatory limitations of MR5461. Brightness is lower at 1.6mcd versus 4mcd, but this reflects typical brightness degradation in modern LED designs and is acceptable for indicator applications.

Alternative Voltage-Rated Substitutes:

For applications where circuit redesign is acceptable, the following active alternatives provide enhanced brightness or lower power consumption:

HLMP-1640 (Broadcom Limited, 5V rating): Suitable for 5V logic circuits with 10mA current. Maintains 60° viewing angle and T-1 package. Brightness of 1.6mcd is lower than MR5461 but adequate for standard indication.
3GDL-F (Bivar Inc., 2.1V rating): Optimized for low-power applications with 2mA test current and 4mcd brightness matching MR5461. Viewing angle is narrower at 35°. Suitable for battery-powered or low-current designs.
151031VS06000 (Würth Elektronik, 2.2V rating): High-brightness alternative at 30mcd with 20mA current rating. Requires circuit current limiting adjustment. Maintains 60° viewing angle and standard T-1 package.

Compliance Consideration:

All recommended substitutes are ROHS3 compliant, addressing regulatory requirements that MR5461 cannot meet. Selection should prioritize HLMP-1641 for direct replacement in existing 12V circuits, or alternative voltage-rated parts for new designs where circuit optimization is feasible.

Frequently Asked Questions (FAQ)

Q: Can HLMP-1641 replace MR5461 without circuit modification?

A: Yes. HLMP-1641 shares the same 12V forward voltage, 13mA test current, and through-hole radial package as MR5461. Direct substitution is possible without circuit changes. The lower brightness (1.6mcd vs 4mcd) is typical for modern LED designs and acceptable for indicator applications.

Q: What is the difference between MR5461 and 3GDL-F?

A: Both parts have identical 4mcd brightness and green diffused lens characteristics. The primary differences are voltage rating (12V vs 2.1V) and test current (13mA vs 2mA). 3GDL-F is suitable for low-power applications but requires circuit redesign if replacing MR5461 in a 12V circuit.

Q: Why is 264-7SYGD/S530-E2 listed as a substitute if it is yellow-green instead of green?

A: 264-7SYGD/S530-E2 is included because it was explicitly listed in the MR5461 substitute field. Yellow-green (573nm dominant wavelength) is visually similar to pure green (565nm) in many indicator applications. However, color-critical applications should verify visual compatibility before substitution.

Q: Are all substitute parts RoHS compliant?

A: Yes. All listed substitute parts are ROHS3 compliant, whereas MR5461 is RoHS non-compliant. This compliance upgrade is a key advantage of substitution for new designs and regulated applications.

Q: What is the difference between HLMP-1640 and HLMP-1641?

A: Both are Broadcom green diffused T-1 LEDs with identical 1.6mcd brightness and 60° viewing angle. The primary difference is voltage rating: HLMP-1640 is rated for 5V with 10mA test current, while HLMP-1641 is rated for 12V with 13mA test current. Select based on your circuit voltage supply.

Q: Can I use 151031VS06000 in place of MR5461?

A: 151031VS06000 can replace MR5461 mechanically and optically (same 3mm T-1 package, green diffused lens, 60° viewing angle). However, the voltage rating differs (2.2V vs 12V), requiring circuit current limiting adjustment. The higher brightness (30mcd vs 4mcd) may also require optical design review for applications sensitive to brightness levels.

Q: What does "Viewing Angle" mean for LED substitution?

A: Viewing angle specifies the cone of light emission. MR5461 has 60° viewing angle, meaning brightness is maintained within a 60° cone from the LED axis. Narrower angles (35°) concentrate light in a tighter beam; wider angles (140°) distribute light more broadly. Select based on application requirements for light distribution.

Q: Are HLMP-1640-B00A1 and HLMP-1640-B00A2 suitable substitutes?

A: Both are right-angle mounted variants of HLMP-1640 with different viewing angles (120° and 60° respectively). They are mechanically incompatible with through-hole radial mounting of MR5461. Use only if your PCB design accommodates right-angle mounting.

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