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ELM 2-240 LED Standoff Equivalent & Substitute Parts
Part Overview
The ELM 2-240 is a T1 LED standoff manufactured by Bivar Inc., featuring a vertical mount configuration with black PVC construction and a 0.240" (6.10mm) length specification. This component is classified as Active product status and maintains full ROHS3 compliance with MSL Level 1 rating, indicating unlimited moisture sensitivity tolerance suitable for standard storage and handling conditions.
Equivalent and substitute parts become necessary when primary inventory is unavailable, when design flexibility permits dimensional or material variations within acceptable tolerances, or when alternative sourcing strategies are required to optimize supply chain efficiency while maintaining functional compatibility with T1 LED applications.
Substiute Parts
Key Parameters
| Parameter | Value | Specification Basis |
|---|---|---|
| LED Type | T1 | Physical form factor and mounting interface |
| Mount Configuration | Vertical (SR VERT) | PCB orientation and assembly method |
| Length | 0.240" (6.10mm) | Standoff height and clearance requirement |
| Material | PVC | Electrical insulation and mechanical properties |
| Color | Black | Visual identification and light blocking |
| RoHS Status | ROHS3 Compliant | Regulatory compliance requirement |
| MSL Rating | 1 (Unlimited) | Moisture and storage condition tolerance |
Substitute Part Grouping Explanation
Substitution eligibility for the ELM 2-240 is determined by strict alignment with the following critical parameters: LED type (T1), mount configuration (vertical), material composition (PVC or equivalent insulating polymer), color (black), and regulatory compliance (ROHS3). Length tolerance is evaluated on a case-by-case basis within the range of 0.235" to 0.250" (5.97mm to 6.35mm), representing acceptable dimensional variation for vertical standoff applications where minor height differences do not compromise circuit board clearance or LED alignment.
The three identified substitute parts—ELM 4-6MM, ELM 5-235, and H-131C-1-120—satisfy the core substitution criteria through matching LED type, vertical mount configuration, black color specification, and ROHS3 compliance. Material variation between PVC (ELM series) and Nylon (H-131C series) is permitted where electrical insulation properties remain equivalent and mechanical durability requirements are met.
Parameter Comparison
| Part Number | Manufacturer | LED Type | Mount Config | Length | Material | Color | RoHS Status | MSL Rating | Product Status |
|---|---|---|---|---|---|---|---|---|---|
| ELM 2-240 | Bivar Inc. | T1 | Vertical | 0.240" (6.10mm) | PVC | Black | ROHS3 Compliant | 1 (Unlimited) | Active |
| ELM 4-6MM | Bivar Inc. | T1 | Vertical | 0.240" (6.10mm) | PVC | Black | ROHS3 Compliant | 1 (Unlimited) | Active |
| ELM 5-235 | Bivar Inc. | T1 | Vertical | 0.235" (5.97mm) | PVC | Black | ROHS3 Compliant | 1 (Unlimited) | Active |
| H-131C-1-120 | Bivar Inc. | T1 | Vertical | 0.250" (6.35mm) | Nylon | Black | ROHS3 Compliant | 1 (Unlimited) | Active |
Engineering Selection Recommendations
All four parts—ELM 2-240, ELM 4-6MM, ELM 5-235, and H-131C-1-120—maintain Active product status with full ROHS3 compliance and MSL Level 1 rating, establishing equivalent regulatory and environmental qualification across the substitution group.
ELM 4-6MM provides direct dimensional and material equivalence to ELM 2-240, with identical 0.240" length and PVC construction. This part represents the primary substitute option where inventory constraints affect the main part number.
ELM 5-235 introduces a 0.005" (0.13mm) length reduction to 0.235" (5.97mm) while maintaining PVC material and all compliance certifications. This substitute is applicable where circuit board design permits minor standoff height reduction without affecting LED positioning or clearance requirements.
H-131C-1-120 substitutes material from PVC to Nylon while introducing a 0.010" (0.25mm) length increase to 0.250" (6.35mm). This part is suitable for applications where Nylon's mechanical properties provide equivalent or superior performance compared to PVC, and where the increased standoff height remains within design tolerance.
Frequently Asked Questions (FAQ)
Q: Can ELM 4-6MM be used as a direct replacement for ELM 2-240?
A: Yes. ELM 4-6MM matches all critical parameters: T1 LED type, vertical mount configuration, 0.240" length, black PVC material, ROHS3 compliance, and MSL Level 1 rating. No design modification is required.
Q: What is the maximum acceptable length variation when substituting ELM 5-235 for ELM 2-240?
A: ELM 5-235 is 0.005" (0.13mm) shorter at 0.235" compared to the 0.240" specification of ELM 2-240. This variation is acceptable where circuit board layout and LED alignment tolerances accommodate the reduced standoff height.
Q: Is H-131C-1-120 compatible with applications designed for ELM 2-240?
A: H-131C-1-120 is compatible where the 0.010" (0.25mm) length increase to 0.250" and Nylon material substitution for PVC do not conflict with design constraints. Both materials provide equivalent electrical insulation for T1 LED standoff applications.
Q: Do all substitute parts share the same packaging format?
A: Yes. ELM 2-240, ELM 4-6MM, ELM 5-235, and H-131C-1-120 are all supplied in Bag packaging, maintaining consistent handling and storage procedures across the substitution group.
Q: Are there any compliance or certification differences between the main part and substitutes?
A: No. All parts maintain identical ROHS3 compliance status and MSL Level 1 rating. No additional qualification or testing is required when substituting between parts in this group.
Q: What inventory levels are available for each part?
A: ELM 2-240 has 741 units in stock, ELM 4-6MM has 1,737 units, ELM 5-235 has 20,398 units, and H-131C-1-120 has 1,950 units. Inventory availability should be evaluated based on project lead time requirements.
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