ELM 4-650 Equivalent & Substitute Parts

Part Overview

The ELM 4-650 is a T1 LED standoff manufactured by Bivar Inc., featuring a black PVC construction with a 0.650" (16.51mm) length. This component is actively produced and ROHS3 compliant. Substitute parts are identified when operational parameters—including LED type, material composition, color, and mechanical dimensions—remain within acceptable tolerance ranges while maintaining equivalent electrical and mechanical performance in standard mounting applications.

Substiute Parts

ELM 4-650

Bivar Inc.In Stock: 726ELM 4-650 Datasheet

Current PartRFQ

ELM 2-17MM

Bivar Inc.In Stock: 1852ELM 2-17MM Datasheet

Parametric EquivalentRFQ

ELM 2-665

Bivar Inc.In Stock: 909ELM 2-665 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ELM 4-650 are qualified based on the following electrical and mechanical parameters:

Critical Parameters for Substitution:

• LED Type: T1 (standardized mechanical and optical form factor)
• Material: PVC (dimensional stability and thermal properties)
• Color: Black (consistent visual and thermal characteristics)
• Mounting Configuration: Vertical standoff geometry
• RoHS Compliance: ROHS3 Compliant status

Allowed Variation:

• Length: 0.650" to 0.670" (16.51mm to 17.02mm) — acceptable variance for standard mounting applications

The substitute parts ELM 2-665 and ELM 2-17MM meet all critical electrical and mechanical parameters while operating within the specified dimensional tolerance envelope. Both components maintain equivalent performance in T1 LED standoff applications requiring vertical mounting.

Parameter Comparison

Engineering Selection Recommendations

Primary Part Selection (ELM 4-650): The ELM 4-650 is the baseline reference component, actively produced with confirmed inventory availability (696 Pcs New Original In Stock) and full ROHS3 compliance.

Equivalent Alternatives:

ELM 2-665: Offers 0.015" (0.38mm) additional length from the primary part. Active production status with superior inventory availability (882 Pcs New Original In Stock). ROHS3 compliant and suitable for applications where the 0.665" dimension accommodates mounting requirements.

ELM 2-17MM: Provides 0.020" (0.51mm) additional length. Highest inventory availability (1815 Pcs New Original In Stock) with active production status and ROHS3 compliance. Suitable for applications where increased standoff height is permissible.

All three components are manufactured by the same supplier and share identical electrical, mechanical, and compliance characteristics except for length variation within standard tolerance ranges.

Frequently Asked Questions (FAQ)

Q: Can ELM 2-665 or ELM 2-17MM directly replace ELM 4-650? A: Yes, both substitute parts maintain equivalent T1 LED standoff functionality. The ELM 2-665 provides 0.015" additional length, while the ELM 2-17MM provides 0.020" additional length. Substitution validity depends on circuit board layout and mounting clearance specifications for your application.

Q: What are the key differences between the substitute parts? A: The primary differences are mechanical length (0.650", 0.665", and 0.670") and inventory availability. All three components share identical LED type (T1), material (PVC), color (Black), and compliance certifications (ROHS3, MSL 1).

Q: Are all parts from the same manufacturer? A: Yes, all three components are manufactured by Bivar Inc., ensuring consistent design standards and performance characteristics across the product family.

Q: What is the significance of the length variations? A: Length variation accommodates different circuit board standoff requirements. Selection depends on the specific mounting height and clearance requirements of your application. All lengths fall within standard T1 LED standoff envelope specifications.

Q: Do substitute parts maintain equivalent RoHS compliance? A: Yes, all three components are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity, ensuring equivalent regulatory and environmental performance.