VAOL-5LSBY4 Equivalent & Substitute Parts Reference

Part Overview

The VAOL-5LSBY4 is a blue 470nm LED indication component manufactured by Visual Communications Company (VCC). This through-hole radial LED operates at 3.5V forward voltage with a 1500mcd brightness rating and 60° viewing angle. The component is Active status and RoHS3 compliant, designed for discrete indication applications requiring standard blue wavelength output.

Substitute parts are necessary when the primary component experiences supply constraints, extended lead times, or when design requirements permit alternative brightness levels, viewing angles, or forward voltage specifications within acceptable operational parameters.

Key Parameters

Parameter	VAOL-5LSBY4 Value	Substitution Relevance
Color	Blue	Critical - must match
Wavelength - Dominant	470nm	Critical - must match
Voltage - Forward (Vf) (Typ)	3.5V	Critical - circuit design dependent
Current - Test	20mA	Critical - standard test condition
Millicandela Rating	1500mcd	Application dependent - brightness requirement
Viewing Angle	60°	Application dependent - visibility requirement
Lens Size	5.10mm Dia	Critical - mechanical fit
Mounting Type	Through Hole	Critical - must match
Package / Case	Radial	Critical - must match
Height (Max)	7.85mm	Application dependent - PCB clearance
RoHS Status	ROHS3 Compliant	Regulatory - compliance requirement
Moisture Sensitivity Level (MSL)	2 (1 Year)	Storage and handling dependent

Substitute Part Grouping Explanation

Substitution logic is based on the following critical parameters that must remain constant or within acceptable tolerance:

Critical Parameters (Must Match):

Color: Blue
Wavelength - Dominant: 470nm (±5nm tolerance acceptable for blue indication)
Mounting Type: Through Hole
Package / Case: Radial configuration
Lens Style: Round with Domed Top
Lens Transparency: Clear

Application-Dependent Parameters (May Vary):

Voltage - Forward (Vf): Range 2.7V to 3.8V acceptable depending on circuit design
Millicandela Rating: 1010mcd to 9600mcd acceptable depending on brightness requirements
Viewing Angle: 15° to 60° acceptable depending on visibility requirements
Height (Max): 7.85mm to 13.21mm acceptable depending on PCB clearance
Lens Size: 5.00mm to 5.10mm Dia acceptable for standard 5mm package

Regulatory Parameters (Must Match):

RoHS Status: ROHS3 Compliant or RoHS Compliant
REACH Status: REACH Unaffected

All substitute parts listed maintain blue 470nm wavelength, through-hole radial mounting, and regulatory compliance. Variations in forward voltage, brightness, and viewing angle are permitted based on specific application requirements.

Parameter Comparison

Part Number	Manufacturer	Color	Wavelength (nm)	Vf (Typ)	mcd Rating	Viewing Angle	Lens Size	Height (Max)	Mounting	RoHS Status
VAOL-5LSBY4	VCC	Blue	470	3.5V	1500	60°	5.10mm	7.85mm	Through Hole	ROHS3
151053BS04500	Würth Elektronik	Blue	465	2.7V	2000	45°	5.00mm	8.85mm	Through Hole	ROHS3
5219946F	Dialight	Blue	472	3.8V	1010	30°	5.00mm	8.70mm	Through Hole	ROHS3
C503B-BCN-CV0Z0461	CreeLED, Inc.	Blue	470	3.2V	7065	30°	5.00mm	8.60mm	Through Hole	RoHS
HLMP-CB1A-XY0DD	Broadcom Limited	Blue	470	3.2V	9600	15°	5mm T-1 3/4	8.90mm	Through Hole	ROHS3
HLMP-CB1B-XY0DD	Broadcom Limited	Blue	470	3.2V	9600	15°	5mm T-1 3/4	13.21mm	Through Hole	ROHS3
HLMP-CB2A-VW0DD	Broadcom Limited	Blue	470	3.2V	5700	23°	5mm T-1 3/4	8.90mm	Through Hole	ROHS3
HLMP-CB3A-UV0DD	Broadcom Limited	Blue	470	3.2V	4350	30°	5mm T-1 3/4	8.90mm	Through Hole	ROHS3
LTL2P3TBK5	Lite-On Inc.	Blue	470	3.5V	2500	15°	5mm T-1 3/4	8.70mm	Through Hole	ROHS3
LTL2T3TBK5	Lite-On Inc.	Blue	470	3.5V	1200	30°	5mm T-1 3/4	8.70mm	Through Hole	ROHS3
OVLFB3C7	TT Electronics/Optek Technology	Blue	470	3.4V	5200	30°	5mm T-1 3/4	8.70mm	Through Hole	ROHS3

Engineering Selection Recommendations

Forward Voltage Compatibility: The VAOL-5LSBY4 operates at 3.5V typical forward voltage. Substitute parts with forward voltages between 2.7V and 3.8V are electrically compatible when circuit design accommodates the voltage variation. Parts with 3.5V (LTL2P3TBK5, LTL2T3TBK5) or 3.4V (OVLFB3C7) provide closest electrical match. Parts with 3.2V (CreeLED, Broadcom) require circuit verification. Part 151053BS04500 at 2.7V requires circuit redesign consideration.

Brightness and Viewing Angle Selection: The VAOL-5LSBY4 provides 1500mcd at 60° viewing angle. Selection of substitute parts depends on application requirements:

For wider viewing angles (60°): VAOL-5LSBY4 original part recommended
For standard viewing angles (30°): LTL2T3TBK5 (1200mcd), 5219946F (1010mcd), HLMP-CB3A-UV0DD (4350mcd), OVLFB3C7 (5200mcd)
For narrow viewing angles (15°): HLMP-CB1A-XY0DD (9600mcd), HLMP-CB1B-XY0DD (9600mcd), LTL2P3TBK5 (2500mcd)

Regulatory Compliance: All substitute parts maintain RoHS3 compliance or RoHS compliance status. REACH Unaffected status is confirmed for all parts except LTL2P3TBK5, which does not specify REACH status in provided data.

Packaging and Mechanical Fit: All substitute parts use through-hole radial mounting with 5mm or 5.10mm lens diameter. Height variations range from 7.85mm to 13.21mm. PCB clearance requirements must be verified for applications with height constraints. Broadcom HLMP-CB1B-XY0DD at 13.21mm maximum height requires specific clearance verification.

Inventory Availability: LTL2T3TBK5 (60,200 pcs), OVLFB3C7 (24,820 pcs), and HLMP-CB1A-XY0DD (13,582 pcs) offer highest inventory levels for rapid procurement.

Frequently Asked Questions (FAQ)

Q: Can I substitute VAOL-5LSBY4 with a part having different forward voltage?

A: Yes, within limits. The VAOL-5LSBY4 operates at 3.5V. Substitute parts with forward voltages between 3.2V and 3.8V (such as OVLFB3C7 at 3.4V or 5219946F at 3.8V) are compatible with circuits designed for the original 3.5V specification. Parts with significantly lower forward voltage (151053BS04500 at 2.7V) require circuit redesign to ensure proper current limiting and brightness performance.

Q: What is the difference between 5mm and T-1 3/4 package designations?

A: Both refer to through-hole radial LED packages with approximately 5mm lens diameter. T-1 3/4 is an alternative designation used by some manufacturers (Broadcom, Lite-On) for the same physical form factor. These packages are mechanically interchangeable on standard PCB layouts.

Q: Can I use a higher brightness LED as a direct substitute?

A: Yes, if circuit design permits. The VAOL-5LSBY4 provides 1500mcd. Higher brightness substitutes such as HLMP-CB1A-XY0DD (9600mcd) or C503B-BCN-CV0Z0461 (7065mcd) are electrically compatible but produce brighter indication. Circuit current limiting must be verified to ensure the 20mA test current specification is maintained. Lower brightness parts such as LTL2T3TBK5 (1200mcd) or 5219946F (1010mcd) are also compatible if reduced brightness is acceptable.

Q: Does viewing angle affect substitution compatibility?

A: Viewing angle is application-dependent and does not prevent substitution. The VAOL-5LSBY4 provides 60° viewing angle for wide visibility. Narrower viewing angles (15° to 30°) concentrate brightness in a smaller cone and are suitable for applications requiring directional indication. Wider viewing angles are preferred for general indication applications. Select based on specific visibility requirements.

Q: Are all substitute parts RoHS compliant?

A: Yes. All listed substitute parts are either ROHS3 Compliant or RoHS Compliant, matching the regulatory status of the VAOL-5LSBY4. REACH Unaffected status is confirmed for all parts except LTL2P3TBK5.

Q: What is the moisture sensitivity level (MSL) impact on substitution?

A: The VAOL-5LSBY4 has MSL 2 (1 Year) storage requirement. Most substitute parts have MSL 1 (Unlimited), providing more relaxed storage and handling conditions. MSL 1 parts offer superior shelf life and reduced moisture-related failures during storage and assembly.

Q: Can I mix VAOL-5LSBY4 and substitute parts in the same design?

A: Yes, if brightness and viewing angle variations are acceptable. All parts maintain identical blue 470nm wavelength, through-hole radial mounting, and regulatory compliance. Brightness differences (1010mcd to 9600mcd range) and viewing angle variations (15° to 60°) may create visual inconsistency in multi-LED indicator arrays. For uniform appearance, select parts with similar brightness and viewing angle specifications.

Q: Which substitute part provides the closest electrical match?

A: LTL2T3TBK5 (Lite-On Inc.) provides the closest match with 3.5V forward voltage identical to VAOL-5LSBY4. OVLFB3C7 (TT Electronics/Optek Technology) at 3.4V also provides excellent electrical compatibility. Both parts maintain 470nm wavelength and through-hole radial mounting.

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