HLMP1585 Equivalent & Substitute Parts

Part Overview

The HLMP1585 is an active green diffused LED indicator manufactured by Everlight Electronics Co Ltd, designed for through-hole mounting applications. This T-1 (3mm) radial LED operates at 2.2V forward voltage with a 10mA test current and delivers 8.5mcd luminous intensity. The component is ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1), making it suitable for standard industrial and consumer electronics applications.

Substitute parts are necessary when the primary component becomes unavailable, when alternative voltage ratings are required for different circuit designs, or when different luminous intensity levels are needed for specific application requirements.

Key Parameters

Parameter	Value
Manufacturer Part Number	HLMP1585
Manufacturer	Everlight Electronics Co Ltd
Color	Green
Lens Transparency	Diffused
Lens Size	3mm, T-1
Voltage - Forward (Vf) (Typ)	2.2V
Current - Test	10mA
Millicandela Rating	8.5mcd
Viewing Angle	75°
Mounting Type	Through Hole
Wavelength - Peak	565nm
Height (Max)	6.30mm
Package / Case	Radial
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitution of the HLMP1585 is determined by the following critical parameters:

Primary Compatibility Criteria:

Lens size (3mm, T-1 form factor)
Mounting type (Through Hole, Radial configuration)
Color (Green)
Lens transparency (Diffused)
Package type (Radial)

Secondary Selection Criteria:

Forward voltage (Vf) - determines circuit compatibility
Test current rating - affects power consumption and circuit design
Millicandela rating - determines brightness level
Viewing angle - affects visibility requirements
Height specification - ensures PCB clearance compatibility

The substitute parts listed below maintain the core T-1 through-hole radial form factor and green diffused lens characteristics. Substitution is valid when the application circuit can accommodate the specified forward voltage and current requirements of the alternative part.

Parameter Comparison

Parameter	HLMP1585	3GD-F	HLMP-1503-D0002	HLMP-1640	HLMP-1641	HLMP-1790-A0002	LTL-4231
Manufacturer	Everlight	Bivar Inc.	Broadcom Limited	Broadcom Limited	Broadcom Limited	Broadcom Limited	Lite-On Inc.
Color	Green	Green	Green	Green	Green	Green	Green
Lens Transparency	Diffused	Diffused	Diffused	Diffused	Diffused	Diffused	Diffused
Lens Size	3mm, T-1	3mm, T-1	3mm, T-1	3mm, T-1	3mm, T-1	3mm, T-1	3mm, T-1
Voltage - Forward (Vf) (Typ)	2.2V	2.1V	2.1V	5V	12V	1.9V	2.1V
Current - Test	10mA	20mA	10mA	10mA	13mA	2mA	10mA
Millicandela Rating	8.5mcd	25mcd	4.2mcd	1.6mcd	1.6mcd	2.3mcd	12.6mcd
Viewing Angle	75°	35°	60°	60°	60°	50°	40°
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Wavelength - Peak	565nm	568nm	565nm	565nm	565nm	565nm	565nm
Height (Max)	6.30mm	5.30mm	6.35mm	6.35mm	6.35mm	6.35mm	6.55mm
Package / Case	Radial	Radial	Radial	Radial	Radial	Radial	Radial
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All listed substitute parts maintain active product status and ROHS3 compliance, ensuring regulatory alignment with the HLMP1585. Selection of an appropriate substitute depends on circuit voltage requirements and application brightness specifications.

For 2.1V to 2.2V Forward Voltage Applications: The 3GD-F (Bivar Inc.), HLMP-1503-D0002 (Broadcom Limited), and LTL-4231 (Lite-On Inc.) operate within the voltage range compatible with 2.2V designs. The 3GD-F delivers higher luminous intensity (25mcd) at 20mA test current. The HLMP-1503-D0002 operates at identical 10mA test current with lower intensity (4.2mcd). The LTL-4231 provides 12.6mcd at 10mA test current.

For 1.9V Forward Voltage Applications: The HLMP-1790-A0002 (Broadcom Limited) operates at 1.9V with 2mA test current, suitable for low-power applications requiring reduced current draw.

For 5V Forward Voltage Applications: The HLMP-1640 (Broadcom Limited) is specified for 5V circuits with 10mA test current and 1.6mcd output.

For 12V Forward Voltage Applications: The HLMP-1641 (Broadcom Limited) is specified for 12V circuits with 13mA test current and 1.6mcd output.

All substitute parts are available in active product status with ROHS3 compliance and MSL 1 (unlimited) moisture sensitivity rating.

Frequently Asked Questions (FAQ)

Q: Can the HLMP1585 be directly replaced with any of the listed substitute parts?

A: Direct replacement is valid only when the substitute part operates at the same forward voltage as the original circuit design. The HLMP1585 operates at 2.2V; therefore, parts with 2.1V forward voltage (3GD-F, HLMP-1503-D0002, LTL-4231) are electrically compatible. Parts with different voltage ratings (1.9V, 5V, 12V) require circuit modification.

Q: What is the difference between the HLMP-1503-D0002 and HLMP-1640 substitutes?

A: The HLMP-1503-D0002 operates at 2.1V forward voltage with 10mA test current, matching the HLMP1585 voltage class. The HLMP-1640 operates at 5V forward voltage and is intended for higher-voltage circuit applications. Both maintain the T-1 3mm form factor and through-hole radial mounting.

Q: How does luminous intensity affect substitution?

A: Luminous intensity (measured in millicandela) determines LED brightness. The HLMP1585 delivers 8.5mcd. Substitute parts range from 1.6mcd to 25mcd. Selection depends on application visibility requirements. Higher intensity parts (3GD-F at 25mcd, LTL-4231 at 12.6mcd) provide increased brightness; lower intensity parts (HLMP-1640, HLMP-1641 at 1.6mcd) are suitable for reduced-brightness applications.

Q: Are all substitute parts available in the same packaging options?

A: Packaging varies among substitutes. The HLMP-1503-D0002 and HLMP-1790-A0002 are available in Cut Tape (CT) packaging. The 3GD-F, HLMP-1640, HLMP-1641, HLMP-1790, and LTL-4231 are available in Bulk packaging. Packaging selection affects procurement and assembly processes.

Q: What is the significance of viewing angle in LED substitution?

A: Viewing angle determines the cone of light distribution. The HLMP1585 has a 75° viewing angle, providing wide light distribution. Substitute parts range from 35° (3GD-F, narrow distribution) to 60° (HLMP-1503-D0002, HLMP-1640, HLMP-1641). Narrower viewing angles concentrate light intensity in a specific direction; wider angles distribute light more broadly. Application requirements determine appropriate viewing angle selection.

Q: Do all substitute parts meet the same compliance standards as the HLMP1585?

A: All listed substitute parts are ROHS3 compliant and carry MSL 1 (unlimited) moisture sensitivity rating, matching the HLMP1585 compliance profile. All parts maintain active product status.

Q: What is the height difference between the HLMP1585 and substitute parts?

A: The HLMP1585 has a maximum height of 6.30mm. Substitute parts range from 5.30mm (3GD-F) to 6.55mm (LTL-4231). Height variation affects PCB clearance and mechanical fit. The 3GD-F is 1mm shorter; the LTL-4231 is 0.25mm taller. Verify mechanical compatibility with PCB layout and enclosure design.

Q: Can the HLMP-1640-B00A1 and HLMP-1640-B00A2 be used as substitutes?

A: The HLMP-1640-B00A1 and HLMP-1640-B00A2 are right-angle mounted variants of the HLMP-1640 base part. These components operate at 5V forward voltage and feature right-angle through-hole mounting, differing from the HLMP1585 radial configuration. These variants are not direct substitutes for radial-mounted applications.

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