ELM 4-320 LED Standoff Equivalent & Substitute Parts

Part Overview

The ELM 4-320 is a T1 LED standoff manufactured by Bivar Inc., featuring a black PVC construction with a 0.320" (8.13mm) length. This component is designed for vertical mounting applications requiring precise standoff height specifications. The part maintains Active product status and is RoHS3 compliant, making it suitable for current production environments. Equivalent and substitute parts become necessary when addressing inventory availability, lead time constraints, or when design specifications permit tolerance variations in standoff height within the T1 LED mounting category.

Substiute Parts

ELM 4-320

Bivar Inc.In Stock: 1002ELM 4-320 Datasheet

Current PartRFQ

ELM 2-315

Bivar Inc.In Stock: 7579ELM 2-315 Datasheet

Parametric EquivalentRFQ

ELM 2-320

Bivar Inc.In Stock: 26222ELM 2-320 Datasheet

Parametric EquivalentRFQ

ELM 4-315

Bivar Inc.In Stock: 4986ELM 4-315 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ELM 4-320 is determined by the following critical parameters:

Primary Substitution Criteria:

• LED Type: T1 (fixed requirement)
• Material: PVC (fixed requirement)
• Color: Black (fixed requirement)
• Manufacturer: Bivar Inc. (fixed requirement)
• RoHS Status: ROHS3 Compliant (fixed requirement)
• Moisture Sensitivity Level: 1 (fixed requirement)

Variable Parameter Allowing Substitution:

• Length: 0.320" (8.13mm) or 0.315" (8.00mm) — a 0.005" (0.13mm) tolerance variation

The substitute parts ELM 2-320, ELM 2-315, and ELM 4-315 share all fixed parameters with the main part. The ELM 2 series variants differ only in the series designation while maintaining identical functional specifications. Length variations between 0.320" and 0.315" represent a 1.6% dimensional difference, which falls within acceptable mechanical tolerance for T1 LED standoff applications where precise height matching is not critical to circuit board assembly.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent (Identical Specifications): ELM 2-320 is the direct equivalent to ELM 4-320, sharing identical length (0.320"), LED type (T1), material (PVC), and all compliance certifications. Selection between ELM 4-320 and ELM 2-320 depends solely on inventory availability and series preference, as both parts are Active status and ROHS3 compliant.

Functional Equivalent (Length Tolerance Variation): ELM 4-315 and ELM 2-315 are functional equivalents with a 0.005" (0.13mm) shorter length compared to the main part. These substitutes are appropriate when design specifications permit standoff height variation within mechanical tolerance ranges typical for T1 LED mounting applications. Both parts maintain Active product status and full ROHS3 compliance.

Inventory Considerations: All substitute parts are manufactured by Bivar Inc. and maintain Active product status. ELM 2-320 offers the highest inventory availability (26,182 pcs), followed by ELM 2-315 (7,562 pcs) and ELM 4-315 (4,972 pcs), compared to ELM 4-320 (971 pcs). Selection should prioritize parts with sufficient stock to meet production schedules when substitution is permissible.

Frequently Asked Questions (FAQ)

Q: Can ELM 2-320 be used as a direct replacement for ELM 4-320? A: Yes. ELM 2-320 is a direct equivalent with identical length (0.320"), LED type (T1), material (PVC), color (Black), and all compliance certifications (ROHS3, MSL 1). The only difference is the series designation (ELM 2 versus ELM 4), which does not affect functional performance in T1 LED standoff applications.

Q: What is the significance of the length difference between 0.320" and 0.315" variants? A: The 0.005" (0.13mm) difference represents a 1.6% dimensional variation. This variation is acceptable for T1 LED standoff applications where precise height matching to other board components is not a critical design requirement. Applications requiring exact height specifications should use the 0.320" length variants (ELM 4-320 or ELM 2-320).

Q: Are all substitute parts RoHS3 compliant? A: Yes. All substitute parts (ELM 2-320, ELM 4-315, ELM 2-315) are ROHS3 compliant and maintain MSL rating 1 (Unlimited), matching the compliance profile of the main part ELM 4-320.

Q: What is the difference between ELM 2 and ELM 4 series designations? A: Both series contain T1 LED standoffs with identical functional specifications for the same length variants. The series designation reflects product line organization within Bivar Inc.'s portfolio. Selection between series is based on inventory availability and design documentation requirements, not functional performance differences.

Q: Which substitute part should be selected for maximum inventory availability? A: ELM 2-320 provides the highest inventory availability (26,182 pcs) while maintaining direct equivalence to ELM 4-320. This part is recommended when lead time and stock availability are primary selection criteria.

Q: Can ELM 4-315 or ELM 2-315 be used if the design permits a 0.005" shorter standoff? A: Yes. Both 0.315" length variants are functional equivalents when design specifications allow standoff height variation within the 0.005" tolerance range. Verify that the shorter height does not create clearance issues with adjacent board components or assembly fixtures before implementation.