OVS9WBCR4 Equivalent & Substitute Parts

Part Overview

The OVS9WBCR4 is a white LED indication component manufactured by TT Electronics/Optek Technology in a 2-PLCC surface mount package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The OVS9WBCR4 delivers 750 millicandela output at 3.2V forward voltage with a 120-degree viewing angle, suitable for indicator applications requiring discrete white LED functionality.

Substiute Parts

OVS9WBCR4

TT Electronics/Optek TechnologyIn Stock: 1182OVS9WBCR4 Datasheet

Current PartRFQ

ASMT-UWB1-NX302

Broadcom LimitedIn Stock: 92234ASMT-UWB1-NX302 Datasheet

MFR RecommendedRFQ

SMLZN4WBGUW1

Rohm SemiconductorIn Stock: 3160SMLZN4WBGUW1 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the OVS9WBCR4 are selected based on the following critical parameters that determine functional compatibility:

Primary Compatibility Criteria:

• Forward voltage (Vf) within acceptable range: 3.2V to 3.3V
• Test current: 20mA
• Mounting type: Surface Mount
• Package footprint: 2-PLCC with matching dimensions (3.20mm L x 2.80mm W)
• Viewing angle: 120°
• Color: White
• RoHS3 compliance

Substitution Logic: The ASMT-UWB1-NX302 and SMLZN4WBGUW1 meet the core electrical and mechanical requirements for direct substitution. Both parts operate at the same test current (20mA), maintain compatible forward voltages (3.2V and 3.3V respectively), and share the identical 2-PLCC package footprint with matching dimensions. The ASMT-UWB1-NX302 offers higher brightness (2300mcd) with active product status, while the SMLZN4WBGUW1 provides comparable brightness (2400mcd) and active status. Both substitute parts are RoHS3 compliant and suitable for applications where the OVS9WBCR4 is no longer available.

Parameter Comparison

Engineering Selection Recommendations

ASMT-UWB1-NX302 (Broadcom Limited): This part is recommended for applications requiring active product status and long-term supply chain stability. The ASMT-UWB1-NX302 maintains forward voltage compatibility at 3.2V and delivers 2300mcd brightness. The part is RoHS3 compliant and actively manufactured. Note that the package designation differs (4-SMD, Flat Lead Exposed Pad versus 2-PLCC), though footprint dimensions remain identical. Height is 2.10mm compared to the original 1.80mm, requiring verification of PCB clearance in space-constrained applications.

SMLZN4WBGUW1 (Rohm Semiconductor): This part provides direct package compatibility with the OVS9WBCR4 in a 2-PLCC configuration and delivers 2400mcd brightness. Forward voltage is 3.3V, representing a 0.1V increase from the original specification. The part is RoHS3 compliant and actively manufactured. Height is 2.05mm, requiring clearance verification. This option is suitable for applications where package form factor consistency is prioritized.

Both substitute parts are RoHS3 compliant and REACH unaffected, meeting regulatory requirements equivalent to the original component.

Frequently Asked Questions (FAQ)

Q: Can the ASMT-UWB1-NX302 be used as a direct replacement for the OVS9WBCR4? A: The ASMT-UWB1-NX302 meets the electrical requirements (3.2V forward voltage, 20mA test current, 120-degree viewing angle) and footprint dimensions (3.20mm L x 2.80mm W). However, the package designation differs (4-SMD, Flat Lead Exposed Pad versus 2-PLCC), and height increases to 2.10mm. PCB layout and clearance must be verified before implementation.

Q: What is the brightness difference between the OVS9WBCR4 and substitute parts? A: The OVS9WBCR4 operates at 750mcd. The ASMT-UWB1-NX302 delivers 2300mcd, and the SMLZN4WBGUW1 delivers 2400mcd. Both substitutes provide significantly higher brightness output at the same test current.

Q: Are there forward voltage differences between the OVS9WBCR4 and substitutes? A: The OVS9WBCR4 and ASMT-UWB1-NX302 both operate at 3.2V forward voltage. The SMLZN4WBGUW1 operates at 3.3V, a 0.1V increase. Circuit designs must accommodate this voltage variation in current-limiting resistor calculations.

Q: What is the impact of increased component height on PCB design? A: The OVS9WBCR4 has a maximum height of 1.80mm. The ASMT-UWB1-NX302 reaches 2.10mm, and the SMLZN4WBGUW1 reaches 2.05mm. Applications with height constraints must verify clearance with surrounding components and enclosure geometry.

Q: Do the substitute parts maintain RoHS3 compliance? A: Both the ASMT-UWB1-NX302 and SMLZN4WBGUW1 are RoHS3 compliant, matching the compliance status of the original OVS9WBCR4.

Q: What is the difference in moisture sensitivity between the original and substitute parts? A: The OVS9WBCR4 has MSL 2A (4 Weeks). Both substitute parts have MSL 3 (168 Hours), indicating different moisture handling requirements during storage and assembly. Appropriate moisture control procedures must be implemented according to the substitute part specifications.