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ELM 3-13MM LED Standoff Equivalent & Substitute Parts
Part Overview
The ELM 3-13MM is a T1 3/4 LED standoff manufactured by Bivar Inc., designed for vertical mounting applications. This component features a black PVC construction with a 0.510" (12.95mm) length and accommodates standard T1 3/4 LED packages. The part maintains Active product status and is RoHS3 compliant with MSL 1 rating, indicating unlimited moisture sensitivity tolerance.
Substitute parts are identified when equivalent electrical and mechanical parameters align with the main part specifications, enabling direct functional replacement in circuit designs and assembly processes.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| LED Type | T1 3/4 |
| Material | PVC / Nylon |
| Color | Black |
| Length | 0.500" - 0.510" (12.70mm - 12.95mm) |
| Mounting Style | Vertical (SR VERT) |
| RoHS Compliance | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) / Not Applicable |
Substitute Part Grouping Explanation
Substitution eligibility for the ELM 3-13MM is determined by the following critical parameters:
Primary Matching Criteria:
- LED package type: T1 3/4
- Mounting orientation: Vertical (SR VERT)
- Color: Black
- Material composition: PVC or Nylon
- Length tolerance: 0.500" to 0.510" (12.70mm to 12.95mm)
- RoHS3 compliance status
- Product status: Active
The three identified substitute parts (ELM 1-13MM, ELM 3-500, and H-278C-2) satisfy these parameters with minor variations in series designation, material type, and length specification. All substitutes maintain T1 3/4 LED compatibility and vertical mounting configuration.
Parameter Comparison
| Parameter | ELM 3-13MM | ELM 1-13MM | ELM 3-500 | H-278C-2 |
|---|---|---|---|---|
| Manufacturer | Bivar Inc. | Bivar Inc. | Bivar Inc. | Bivar Inc. |
| LED Type | T1 3/4 | T1 3/4 | T1 3/4 | T1 3/4 |
| Mounting Style | Vertical (SR VERT) | Vertical (SR VERT) | Vertical (SR VERT) | Right Angle (RA) |
| Color | Black | Black | Black | Black |
| Length | 0.510" (12.95mm) | 0.510" (12.95mm) | 0.500" (12.70mm) | 0.500" (12.70mm) |
| Material | PVC | PVC | PVC | Nylon |
| Series | ELM 3 | ELM 1 | ELM 3 | H-278C |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Active | Active | Active | Active |
| Inventory Availability | 1004 Pcs | 20735 Pcs | 32418 Pcs | 1446 Pcs |
Engineering Selection Recommendations
ELM 1-13MM: This substitute maintains identical length (0.510" / 12.95mm) and vertical mounting orientation as the main part. Both components use PVC material and achieve ROHS3 compliance. The primary distinction is series designation (ELM 1 versus ELM 3). This part is suitable for direct replacement where series compatibility is not a design constraint. Inventory availability is significantly higher (20735 Pcs).
ELM 3-500: This substitute shares the same series designation (ELM 3) and material composition (PVC) as the main part. Length specification differs by 0.010" (0.25mm), measuring 0.500" (12.70mm) versus 0.510" (12.95mm). This part is appropriate for applications where minor length variation is acceptable within mechanical tolerance. Inventory availability is highest among substitutes (32418 Pcs).
H-278C-2: This substitute employs Nylon material instead of PVC and features right-angle (RA) mounting orientation rather than vertical (SR VERT). Length matches ELM 3-500 at 0.500" (12.70mm). This part is suitable only for applications requiring right-angle mounting configuration. RoHS3 compliance is maintained; MSL rating is not applicable for Nylon material.
All substitutes maintain Active product status and full RoHS3 compliance, supporting long-term supply chain reliability.
Frequently Asked Questions (FAQ)
Q: Can ELM 1-13MM replace ELM 3-13MM in all applications?
A: ELM 1-13MM is a parametric equivalent with identical length (0.510" / 12.95mm), vertical mounting orientation, PVC material, and T1 3/4 LED compatibility. Substitution is valid where series designation does not impose design constraints. Verify circuit board layout compatibility before implementation.
Q: What is the primary difference between ELM 3-500 and ELM 3-13MM?
A: The primary difference is length specification. ELM 3-500 measures 0.500" (12.70mm) while ELM 3-13MM measures 0.510" (12.95mm), representing a 0.010" (0.25mm) variation. Both maintain identical series, material (PVC), mounting style (vertical), and LED type (T1 3/4). This substitute is suitable for applications with mechanical tolerance accommodation.
Q: When should H-278C-2 be selected as a substitute?
A: H-278C-2 is selected exclusively for applications requiring right-angle (RA) mounting orientation. The main part ELM 3-13MM features vertical (SR VERT) mounting. H-278C-2 also differs in material composition (Nylon versus PVC) and length (0.500" versus 0.510"). This substitute is not interchangeable for vertical mounting applications.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. ELM 1-13MM, ELM 3-500, and H-278C-2 all maintain ROHS3 Compliant status, matching the main part specification. This ensures regulatory compliance across all identified substitutes.
Q: What packaging format is used for these LED standoff components?
A: All parts in this equivalency group are supplied in Bag packaging format, suitable for standard component handling and inventory management procedures.
Q: Does material composition affect electrical performance?
A: Material composition (PVC versus Nylon) does not alter electrical performance for LED standoff applications. Both materials provide mechanical support and insulation. Material selection is determined by mechanical tolerance requirements and environmental exposure conditions. H-278C-2 (Nylon) carries MSL rating "Not Applicable," while PVC variants maintain MSL 1 (Unlimited).
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