ELM 4-535 Equivalent & Substitute Parts

Part Overview

The ELM 4-535 is a T1 LED standoff manufactured by Bivar Inc., constructed from black PVC material with a length of 0.535" (13.59mm). This component is classified as an active product with ROHS3 compliance and unlimited moisture sensitivity tolerance (MSL 1). The need for substitute parts arises from inventory availability, supply chain optimization, or application-specific mechanical constraints where alternative standoff heights may be acceptable within system design tolerances.

Substiute Parts

ELM 4-535

Bivar Inc.In Stock: 726ELM 4-535 Datasheet

Current PartRFQ

ELM 2-510

Bivar Inc.In Stock: 1857ELM 2-510 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the ELM 4-535 is determined by the following critical parameters:

• LED Type: Must remain T1 to maintain electrical and mechanical compatibility
• Material: PVC material specification must be maintained
• Color: Black PVC finish must be consistent
• Mounting Configuration: Vertical mounting orientation (SR VERT designation)
• RoHS Compliance: ROHS3 compliance required for regulatory compatibility
• MSL Rating: MSL 1 tolerance required for storage and handling compatibility

The primary variable parameter permitting substitution is length, with acceptable alternatives ranging from 0.510" to slightly shorter configurations. The ELM 2-510 substitute maintains all material, electrical, and regulatory specifications while introducing a mechanical height variance of 0.025" (0.64mm), which represents the allowable tolerance for LED standoff height in typical PCB applications.

Parameter Comparison

Engineering Selection Recommendations

Both the ELM 4-535 and ELM 2-510 carry active product status, indicating ongoing manufacturer support and availability. Both components maintain ROHS3 compliance and MSL 1 ratings, establishing equivalent regulatory and environmental performance characteristics. Selection between these parts depends on mechanical height requirements specific to the PCB design. The 0.025" (0.64mm) height differential between components must be evaluated against system-level mechanical constraints, PCB layout specifications, and optical alignment requirements for LED applications.

Frequently Asked Questions (FAQ)

Q: Can ELM 2-510 be used as a direct replacement for ELM 4-535? A: Substitution is mechanically possible when the application tolerates a 0.025" (0.64mm) reduction in standoff height. All electrical, material, and compliance specifications are identical. Design review is required to confirm mechanical compatibility within your PCB assembly.

Q: What is the significance of the length difference between ELM 4-535 and ELM 2-510? A: The ELM 4-535 provides 0.535" (13.59mm) standoff height, while the ELM 2-510 provides 0.510" (12.95mm) height. This difference affects LED vertical clearance above the PCB surface and must be considered for mechanical interference, optical sightline, and connector clearance in the host assembly.

Q: Are both parts equivalent in terms of regulatory compliance? A: Yes. Both components are ROHS3 compliant with MSL 1 ratings, indicating identical environmental and regulatory performance characteristics. Substitution does not compromise compliance status.

Q: What packaging format is provided for these components? A: Both parts are supplied in bag packaging suitable for manual assembly, automated pick-and-place operations, and standard component storage protocols.

Q: Is the LED type specification identical across both components? A: Yes. Both the ELM 4-535 and ELM 2-510 utilize T1 LED specifications, maintaining electrical and mechanical compatibility with standard T1 LED footprints and sockets.