ASM6-SL91-NST0H LED Equivalent & Substitute Parts

Part Overview

The ASM6-SL91-NST0H is an active production Royal Blue LED manufactured by Broadcom Limited, designed for surface mount applications in 3-SMD, No Lead packaging. This component operates at 450nm wavelength (440nm to 460nm range) and is suitable for lighting applications requiring high luminous output. Substitute parts are identified when equivalent electrical characteristics, mechanical compatibility, and compliance certifications align with the original specification, enabling direct replacement in circuit designs without modification to PCB layouts or electrical parameters.

Key Parameters

Parameter	Value	Unit
Color	Royal Blue	—
Wavelength	450nm (440nm ~ 460nm)	nm
Current - Test	350	mA
Current - Max	1	A
Voltage - Forward (Vf) (Typ)	2.9	V
Luminous Flux @ Current/Temperature	580	mW
Temperature - Test	25	°C
Viewing Angle	90	°
Mounting Type	Surface Mount	—
Package / Case	3-SMD, No Lead	—
Size / Dimension	0.136" L x 0.136" W (3.45mm x 3.45mm)	in / mm
Height - Seated (Max)	0.106" (2.70mm)	in / mm
Thermal Resistance of Package	3	°C/W
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—
REACH Status	REACH Unaffected	—
Packaging	Tape & Reel (TR)	—

Substitute Part Grouping Explanation

Substitution of the ASM6-SL91-NST0H is determined by strict equivalence across the following critical parameters:

Electrical Compatibility:

Wavelength specification: 450nm (440nm ~ 460nm) Royal Blue
Forward voltage (Vf): 2.9V typical
Test current: 350mA
Maximum current rating: 1A

Mechanical Compatibility:

Package type: 3-SMD, No Lead
Physical dimensions: 0.136" L x 0.136" W (3.45mm x 3.45mm)
Maximum seated height: 0.106" (2.70mm)
Thermal resistance: 3°C/W
Mounting type: Surface Mount

Compliance & Environmental:

RoHS3 Compliant
REACH Unaffected
Moisture Sensitivity Level: 1 (Unlimited)
Product Status: Active

The ASM6-SL92-NTV0H meets all mechanical and electrical compatibility criteria. Luminous flux output differs (730mW versus 580mW), but both parts operate within identical electrical parameters and physical constraints, permitting direct substitution in applications where the higher luminous output of the substitute is acceptable.

Parameter Comparison

Parameter	ASM6-SL91-NST0H	ASM6-SL92-NTV0H	Compatibility
Manufacturer	Broadcom Limited	Broadcom Limited	Identical
Series	ASM6-Sxxx-xxxxH	ASM6-Sxxx-xxxxH	Identical
Color	Royal Blue	Royal Blue	Identical
Wavelength	450nm (440nm ~ 460nm)	450nm (440nm ~ 460nm)	Identical
Current - Test	350mA	350mA	Identical
Current - Max	1A	1A	Identical
Voltage - Forward (Vf) (Typ)	2.9V	2.9V	Identical
Temperature - Test	25°C	25°C	Identical
Viewing Angle	90°	90°	Identical
Mounting Type	Surface Mount	Surface Mount	Identical
Package / Case	3-SMD, No Lead	3-SMD, No Lead	Identical
Size / Dimension	0.136" L x 0.136" W (3.45mm x 3.45mm)	0.136" L x 0.136" W (3.45mm x 3.45mm)	Identical
Height - Seated (Max)	0.106" (2.70mm)	0.106" (2.70mm)	Identical
Thermal Resistance of Package	3°C/W	3°C/W	Identical
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Identical
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	Identical
REACH Status	REACH Unaffected	REACH Unaffected	Identical
Packaging	Tape & Reel (TR)	Tape & Reel (TR)	Identical
Luminous Flux @ Current/Temperature	580mW (530mW ~ 705mW)	730mW (610mW ~ 930mW)	Different - Higher output in substitute
Product Status	Active	Active	Identical

Engineering Selection Recommendations

Both the ASM6-SL91-NST0H and ASM6-SL92-NTV0H are active production components manufactured by Broadcom Limited and carry identical compliance certifications: ROHS3 Compliant, REACH Unaffected, and Moisture Sensitivity Level 1 (Unlimited). Both components are supplied in Tape & Reel packaging suitable for automated assembly processes.

The ASM6-SL92-NTV0H operates at higher luminous flux output (730mW versus 580mW) while maintaining identical electrical parameters, mechanical dimensions, and thermal characteristics. Selection between these parts depends on application luminous output requirements. Both parts are suitable for direct PCB substitution without layout modification, as they share identical package geometry, mounting type, and thermal resistance specifications.

Frequently Asked Questions (FAQ)

Q: Can the ASM6-SL92-NTV0H replace the ASM6-SL91-NST0H in existing designs?

A: Yes. Both parts share identical electrical parameters (2.9V forward voltage, 350mA test current, 1A maximum current), mechanical dimensions (3.45mm x 3.45mm, 2.70mm maximum height), and package type (3-SMD, No Lead). Direct substitution on existing PCBs is possible without circuit modification.

Q: What is the primary difference between these two parts?

A: The ASM6-SL92-NTV0H produces higher luminous flux output (730mW) compared to the ASM6-SL91-NST0H (580mW). All other electrical, mechanical, and compliance specifications are identical.

Q: Are both parts RoHS compliant?

A: Yes. Both the ASM6-SL91-NST0H and ASM6-SL92-NTV0H are ROHS3 Compliant and REACH Unaffected.

Q: What is the moisture sensitivity level for these LEDs?

A: Both parts carry Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: Are these parts available in packaging formats other than Tape & Reel?

A: The specifications provided indicate both parts are supplied in Tape & Reel (TR) packaging only.

Q: What is the thermal resistance of the package?

A: Both parts have a thermal resistance of 3°C/W, enabling equivalent thermal performance in circuit applications.

Q: Can these LEDs operate at currents below 350mA?

A: The specifications provided define 350mA as the test current and 1A as the maximum current rating. Operation at lower currents is within the maximum rating but is not characterized in the provided specifications.

Q: What is the viewing angle for these LEDs?

A: Both parts have a 90° viewing angle, providing wide-angle light distribution suitable for general illumination applications.

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