ELM 7-3MM LED Standoff Equivalent & Substitute Parts

Part Overview

The ELM 7-3MM is a T1 LED standoff manufactured by Bivar Inc., designed for vertical mounting applications with a 3.00mm (0.118") length. This component is an active product with ROHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified based on matching core functional parameters: T1 LED form factor, black PVC material construction, vertical mounting orientation, and compatible dimensional tolerances within the 3MM base diameter specification.

Substiute Parts

ELM 7-3MM

Bivar Inc.In Stock: 664ELM 7-3MM Datasheet

Current PartRFQ

ELM 2-120

Bivar Inc.In Stock: 86478ELM 2-120 Datasheet

Parametric EquivalentRFQ

ELM 4-115

Bivar Inc.In Stock: 1770ELM 4-115 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ELM 7-3MM are qualified based on the following criteria:

Core Matching Parameters:

• LED Type: T1 (maintained across all substitutes)
• Material: Black PVC (maintained across all substitutes)
• Mounting Orientation: Vertical (maintained across all substitutes)
• Base Diameter: 3MM (maintained across all substitutes)
• Manufacturer: Bivar Inc. (maintained across all substitutes)

Allowable Variation:

• Length tolerance: ±0.005" (0.127mm) from nominal 3.00mm specification

The ELM 4-115 and ELM 2-120 are classified as parametric equivalents because they maintain identical LED type, material, orientation, and base diameter while operating within acceptable length tolerances for vertical LED standoff applications.

Parameter Comparison

Engineering Selection Recommendations

ELM 4-115 Selection Criteria:

• Length: 0.115" (2.92mm) — 0.003" shorter than ELM 7-3MM
• All compliance certifications identical (ROHS3, MSL 1)
• Active product status with 1,684 units in stock
• Suitable for applications requiring slightly reduced standoff height

ELM 2-120 Selection Criteria:

• Length: 0.120" (3.05mm) — 0.002" longer than ELM 7-3MM
• All compliance certifications identical (ROHS3, MSL 1)
• Active product status with 86,435 units in stock
• Suitable for applications requiring slightly increased standoff height

Both substitutes maintain identical electrical and mechanical compatibility within the T1 LED standoff category. Selection between ELM 7-3MM, ELM 4-115, and ELM 2-120 is determined by specific PCB layout requirements and available inventory levels.

Frequently Asked Questions (FAQ)

Q: What defines compatibility between ELM 7-3MM and its substitute parts?

A: Compatibility is established through matching LED type (T1), material composition (black PVC), mounting orientation (vertical), and base diameter (3MM). Length variations of ±0.005" are within acceptable tolerance for vertical standoff applications.

Q: Can ELM 4-115 and ELM 2-120 be used interchangeably with ELM 7-3MM?

A: ELM 4-115 and ELM 2-120 are parametric equivalents with different length specifications. Interchangeability depends on PCB design tolerances. The 0.003" difference between ELM 4-115 and ELM 7-3MM, and the 0.002" difference between ELM 2-120 and ELM 7-3MM, must be evaluated against specific application requirements.

Q: Are all three parts RoHS compliant?

A: Yes. ELM 7-3MM, ELM 4-115, and ELM 2-120 are all ROHS3 compliant with MSL rating of 1 (unlimited moisture sensitivity).

Q: What is the difference in inventory availability?

A: ELM 7-3MM has 614 units in stock, ELM 4-115 has 1,684 units, and ELM 2-120 has 86,435 units available. Inventory levels may influence substitution decisions for high-volume applications.

Q: Do these parts share the same packaging format?

A: Yes. All three parts are supplied in bag packaging, maintaining consistent handling and storage requirements.