HLMP-C115 Equivalent & Substitute Parts

Part Overview

The HLMP-C115 is a red LED indication component manufactured by Broadcom Limited, designed for through-hole mounting applications. This T-1 3/4 radial LED operates at 1.8V forward voltage with a 600mcd brightness rating and 15° viewing angle, suitable for standard indication circuits requiring clear lens optics. The part maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating, making it suitable for industrial and commercial applications. Substitute parts are identified to address application requirements including alternative brightness levels, viewing angles, and forward voltage specifications while maintaining compatibility with T-1 3/4 through-hole mounting.

Key Parameters

Parameter	HLMP-C115 Value
Manufacturer	Broadcom Limited
Color	Red
Lens Transparency	Clear
Millicandela Rating	600mcd
Voltage - Forward (Vf) Typical	1.8V
Current - Test	20mA
Viewing Angle	15°
Mounting Type	Through Hole
Lens Size	5mm, T-1 3/4
Wavelength - Peak	660nm
Height (Max)	8.91mm
Package / Case	Radial
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the HLMP-C115 are grouped based on the following compatibility criteria:

Primary Substitution Parameters:

Mounting Type: Through Hole (all substitutes)
Lens Size: 5mm, T-1 3/4 (all substitutes)
Color: Red (all substitutes)
Package / Case: Radial (all substitutes)
RoHS Status: ROHS3 Compliant (all substitutes)
Product Status: Active (all substitutes)

Variable Parameters Defining Substitution Groups:

Lens Transparency: Clear or Diffused
Millicandela Rating: 10mcd to 4000mcd range
Voltage - Forward (Vf): 1.8V to 2V
Current - Test: 10mA to 20mA
Viewing Angle: 8° to 60°
Wavelength - Peak: 630nm to 660nm

Substitutes are valid when the application circuit can accommodate variations in forward voltage, brightness output, and viewing angle while maintaining the same physical form factor and mounting interface.

Parameter Comparison

Parameter	HLMP-C115	SLI-570U2T3F	TLDR5400	TLDR5800	TLHR5400	TLHR5401	TLHR5405	TLHR6400	TLHR6401	TLHR6405
Manufacturer	Broadcom Limited	Rohm Semiconductor	Vishay Semiconductor Opto Division	Vishay Semiconductor Opto Division	Vishay Semiconductor Opto Division	Vishay Semiconductor Opto Division	Vishay Semiconductor Opto Division	Vishay Semiconductor Opto Division	Vishay Semiconductor Opto Division	Vishay Semiconductor Opto Division
Color	Red	Red	Red	Red	Red	Red	Red	Red	Red	Red
Lens Transparency	Clear	Clear	Diffused	Clear	Diffused	Diffused	Diffused	Diffused	Diffused	Diffused
Millicandela Rating	600mcd	4000mcd	70mcd	2500mcd	10mcd	12mcd	14mcd	10mcd	12mcd	14mcd
Voltage - Forward (Vf) Typical	1.8V	1.9V	1.8V	1.8V	2V	2V	2V	2V	2V	2V
Current - Test	20mA	20mA	20mA	20mA	10mA	10mA	10mA	10mA	10mA	10mA
Viewing Angle	15°	20°	60°	8°	60°	60°	60°	60°	60°	60°
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Lens Size	5mm, T-1 3/4	5.00mm Dia	5mm, T-1 3/4	5mm, T-1 3/4	5mm, T-1 3/4	5mm, T-1 3/4	5mm, T-1 3/4	5mm, T-1 3/4	5mm, T-1 3/4	5mm, T-1 3/4
Wavelength - Peak	660nm	630nm	650nm	650nm	635nm	635nm	635nm	635nm	635nm	635nm
Height (Max)	8.91mm	8.85mm	12.80mm	13.00mm	12.80mm	12.80mm	12.80mm	9.10mm	9.10mm	9.10mm
Package / Case	Radial	Radial	Radial	Radial	Radial	Radial	Radial	Radial	Radial	Radial
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All substitute parts listed maintain Active product status and ROHS3 compliance, ensuring regulatory alignment with the HLMP-C115. Selection between substitutes depends on circuit-level requirements:

For Clear Lens Applications: SLI-570U2T3F and TLDR5800 maintain clear lens transparency. SLI-570U2T3F provides higher brightness (4000mcd) with 1.9V forward voltage and 20° viewing angle. TLDR5800 matches the 1.8V forward voltage of the HLMP-C115 with 2500mcd brightness and 8° narrow viewing angle.

For Diffused Lens Applications: TLDR5400, TLHR5400, TLHR5401, TLHR5405, TLHR6400, TLHR6401, and TLHR6405 provide diffused lens options. These parts operate at either 1.8V (TLDR5400) or 2V (TLHR series) forward voltage with brightness ratings from 10mcd to 70mcd and 60° wide viewing angles.

For Height-Constrained PCB Layouts: HLMP-C115, SLI-570U2T3F, TLHR6400, TLHR6401, and TLHR6405 feature maximum heights of 8.91mm, 8.85mm, and 9.10mm respectively, suitable for compact designs. TLDR5400, TLDR5800, and TLHR5400/5401/5405 reach 12.80mm to 13.00mm maximum heights.

For Forward Voltage Matching: HLMP-C115, SLI-570U2T3F, TLDR5400, and TLDR5800 operate at 1.8V to 1.9V forward voltage. TLHR series parts require 2V forward voltage, necessitating circuit adjustment if direct voltage matching is required.

Frequently Asked Questions (FAQ)

Q: Can TLHR series parts directly replace HLMP-C115 in existing circuits? A: TLHR series parts operate at 2V forward voltage compared to HLMP-C115's 1.8V. Direct replacement requires circuit verification to confirm the additional 0.2V forward voltage drop is accommodated by the power supply and current-limiting resistor design. Current draw differs as TLHR parts test at 10mA versus HLMP-C115's 20mA.

Q: What is the difference between clear and diffused lens options? A: Clear lens parts (HLMP-C115, SLI-570U2T3F, TLDR5800) concentrate light output into narrow viewing angles (8° to 20°), producing higher brightness perception in direct viewing. Diffused lens parts (TLDR5400, TLHR series) scatter light across wider viewing angles (60°), reducing peak brightness but improving visibility from off-axis positions.

Q: Are all substitute parts compatible with T-1 3/4 through-hole PCB footprints? A: Yes, all substitute parts use 5mm T-1 3/4 lens size and radial package configuration, maintaining mechanical compatibility with standard through-hole footprints. Height variations (8.85mm to 13.00mm maximum) may affect clearance in space-constrained assemblies.

Q: Which substitute provides the closest brightness match to HLMP-C115's 600mcd rating? A: TLDR5800 provides 2500mcd brightness with clear lens and 1.8V forward voltage, offering higher output than HLMP-C115. SLI-570U2T3F provides 4000mcd with clear lens at 1.9V forward voltage. For lower brightness matching, TLDR5400 provides 70mcd with diffused lens at 1.8V forward voltage.

Q: Do all substitute parts meet the same compliance standards as HLMP-C115? A: Yes, all listed substitute parts are ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1) and REACH unaffected status, matching HLMP-C115 regulatory requirements.

Q: What viewing angle should be selected for general indication applications? A: HLMP-C115's 15° viewing angle suits direct-view applications. Wider 60° viewing angles (TLDR5400, TLHR series) accommodate off-axis viewing. Narrow 8° viewing angle (TLDR5800) concentrates light for high-brightness direct viewing. Application layout determines optimal selection.

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