HLMP1503 Equivalent & Substitute Parts

Part Overview

The HLMP1503 is a green diffused T-1 through-hole LED manufactured by onsemi, designed for discrete indication applications. This part operates at 2.2V forward voltage with a 5mcd brightness rating and 90° viewing angle. The HLMP1503 is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements. Substitute parts must maintain compatibility across electrical characteristics, mechanical form factor, and mounting specifications.

Key Parameters

Parameter	HLMP1503 (onsemi)
Color	Green
Lens Transparency	Diffused
Lens Size	3mm, T-1
Lens Style	Round with Domed Top
Voltage - Forward (Vf) (Typ)	2.2V
Current - Test	20mA
Millicandela Rating	5mcd
Viewing Angle	90°
Wavelength - Peak	562nm
Mounting Type	Through Hole
Package / Case	Radial
Height (Max)	6.30mm
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution logic for the HLMP1503 is based on the following critical parameters:

Primary Compatibility Criteria:

Color: Green
Lens Transparency: Diffused
Lens Size: 3mm, T-1
Mounting Type: Through Hole
Package / Case: Radial
Voltage - Forward (Vf): 2.1V to 2.2V range
Current - Test: 10mA to 20mA range
Wavelength - Peak: 560nm to 569nm range

Secondary Considerations:

Millicandela Rating: 1mcd to 30mcd (brightness variations acceptable for indication applications)
Viewing Angle: 35° to 90° (application-dependent)
Height (Max): 5.30mm to 6.35mm (PCB clearance dependent)
Product Status: Active preferred for new designs; obsolete parts acceptable for legacy support

Substitute parts meeting these criteria maintain electrical and mechanical compatibility with the HLMP1503 in standard indication circuits.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Color	Vf (Typ)	Current - Test	mcd Rating	Viewing Angle	Wavelength - Peak	Height (Max)	Product Status	RoHS Status
HLMP1503	onsemi	Green	2.2V	20mA	5mcd	90°	562nm	6.30mm	Obsolete	Not specified
151031VS06000	Würth Elektronik	Green	2.2V	20mA	30mcd	60°	560nm	5.55mm	Active	ROHS3 Compliant
3GD-F	Bivar Inc.	Green	2.1V	20mA	25mcd	35°	568nm	5.30mm	Active	ROHS3 Compliant
3GDL-F	Bivar Inc.	Green	2.1V	2mA	4mcd	35°	568nm	5.30mm	Active	ROHS3 Compliant
HLMP-1503	Broadcom Limited	Green	2.1V	10mA	1mcd	60°	565nm	6.35mm	Active	ROHS3 Compliant
HLMP-1503-C0002	Broadcom Limited	Green	2.1V	10mA	2.6mcd	60°	565nm	6.35mm	Active	ROHS3 Compliant
HLMP-1503-D00FG	Broadcom Limited	Green	2.1V	10mA	4.2mcd	60°	565nm	6.35mm	Active	ROHS3 Compliant
HLMP-1640	Broadcom Limited	Green	5V	10mA	1.6mcd	60°	565nm	6.35mm	Active	ROHS3 Compliant
HLMP-1640-B00A1	Broadcom Limited	Green	5V	10mA	1.6mcd	120°	565nm	Not specified	Active	ROHS3 Compliant
HLMP-1640-B00A2	Broadcom Limited	Green	5V	10mA	1.6mcd	60°	565nm	Not specified	Active	ROHS3 Compliant
HLMP-1641	Broadcom Limited	Green	12V	13mA	1.6mcd	60°	565nm	6.35mm	Active	ROHS3 Compliant

Engineering Selection Recommendations

Direct Substitutes (2.1V to 2.2V Forward Voltage):

The 151031VS06000 (Würth Elektronik), 3GD-F (Bivar Inc.), and HLMP-1503-D00FG (Broadcom Limited) are the primary substitutes for the HLMP1503. These parts maintain the 2.1V to 2.2V forward voltage range and are rated for 20mA or 10mA test current, ensuring compatibility with existing 2.2V indication circuits. All three are ROHS3 compliant and carry active product status, supporting long-term availability for new designs.

The 151031VS06000 offers the closest electrical match with 2.2V forward voltage and 20mA test current, identical to the original HLMP1503. The Würth Elektronik part provides higher brightness (30mcd) in a compact 5.55mm height, suitable for applications requiring enhanced visibility.

The 3GD-F and HLMP-1503-D00FG provide moderate brightness (25mcd and 4.2mcd respectively) with active product status. The 3GD-F operates at 2.1V with 20mA test current, while HLMP-1503-D00FG operates at 2.1V with 10mA test current. Both maintain the 3mm T-1 form factor and through-hole radial package.

Limited Substitutes (Lower Brightness or Current):

The 3GDL-F (Bivar Inc.) and HLMP-1503 (Broadcom Limited) are substitutes only for applications tolerating reduced brightness or lower test current. The 3GDL-F operates at 2mA test current with 4mcd brightness, suitable for low-power indication circuits. The Broadcom HLMP-1503 operates at 10mA with 1mcd brightness, appropriate for minimal-visibility indicator applications.

Not Recommended for Direct Substitution:

The HLMP-1640, HLMP-1640-B00A1, HLMP-1640-B00A2, and HLMP-1641 operate at 5V and 12V forward voltages respectively and require circuit redesign. These parts are not suitable for 2.2V indication circuits without voltage regulation modifications.

Frequently Asked Questions (FAQ)

Q: Can the 151031VS06000 replace the HLMP1503 in existing 2.2V circuits?

A: Yes. The 151031VS06000 maintains 2.2V forward voltage and 20mA test current compatibility. The higher brightness (30mcd vs. 5mcd) and narrower viewing angle (60° vs. 90°) are acceptable for standard indication applications. PCB clearance must accommodate the 5.55mm height.

Q: What is the difference between HLMP-1503-C0002 and HLMP-1503-D00FG?

A: Both are Broadcom Limited parts with 2.1V forward voltage and 10mA test current. HLMP-1503-C0002 is packaged in Cut Tape (CT) with 2.6mcd brightness, while HLMP-1503-D00FG is bulk packaged with 4.2mcd brightness. Electrical performance is equivalent; packaging differs for supply chain requirements.

Q: Why is the 3GDL-F rated at 2mA instead of 20mA?

A: The 3GDL-F is a low-current variant designed for power-constrained applications. At 2mA test current, it produces 4mcd brightness, suitable for battery-powered or low-power indication circuits. This part is not interchangeable with 20mA-rated variants in standard circuits.

Q: Can HLMP-1640 or HLMP-1641 substitute for HLMP1503?

A: No. HLMP-1640 operates at 5V and HLMP-1641 at 12V forward voltage. These parts require circuit redesign and are not pin-compatible with 2.2V indication circuits. Use only if circuit voltage is modified accordingly.

Q: What does ROHS3 Compliant mean for component selection?

A: ROHS3 Compliant indicates the part meets Restriction of Hazardous Substances Directive 3 requirements, restricting lead and other hazardous materials. All active substitute parts listed are ROHS3 compliant, supporting regulatory compliance for new designs.

Q: Are there viewing angle differences between substitutes?

A: Yes. The HLMP1503 has 90° viewing angle, while most Broadcom substitutes offer 60°. The 151031VS06000 and 3GD-F provide 60° and 35° respectively. Narrower viewing angles concentrate brightness in a specific direction; wider angles distribute light across a broader area. Select based on application requirements.

Q: What is the significance of the T-1 package designation?

A: T-1 refers to the 3mm diameter through-hole LED form factor. All listed substitutes maintain T-1 compatibility, ensuring mechanical fit in existing PCB designs with standard 3mm LED mounting holes.

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