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ELM 2-150 LED Standoff Equivalent & Substitute Parts
Part Overview
The ELM 2-150 is a T1 LED standoff manufactured by Bivar Inc., featuring a black PVC construction with a 0.150" (3.81mm) vertical mounting height and 2-lead configuration. This component is classified as Active product status and is ROHS3 compliant. LED standoffs serve as mechanical spacers and alignment fixtures for T1 LED packages in vertical surface-mount applications. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across alternative series offerings from the same manufacturer.
Substiute Parts
Key Parameters
| Parameter | Value | Specification Basis |
|---|---|---|
| LED Type | T1 | Physical package standard |
| Mounting Configuration | Vertical Surface Mount | Mechanical orientation |
| Height | 0.150" (3.81mm) | Primary dimensional specification |
| Material | Black PVC | Chemical and thermal properties |
| Lead Count | 2 | Electrical connection points |
| RoHS Status | ROHS3 Compliant | Environmental compliance |
| MSL Rating | 1 (Unlimited) | Moisture sensitivity classification |
Substitute Part Grouping Explanation
Substitute parts for the ELM 2-150 are identified based on the following allowed parameters:
Primary Substitution Criteria:
- LED Type: T1 (identical across all parts)
- Material: Black PVC (identical across all parts)
- Lead Count: 2 (identical across all parts)
- RoHS Status: ROHS3 Compliant (identical across all parts)
- MSL Rating: 1 (Unlimited) (identical across all parts)
- Manufacturer: Bivar Inc. (identical across all parts)
Height Tolerance Grouping: The ELM 2-150 is substitutable with parts maintaining the 0.150" (3.81mm) height specification. Parts with alternative heights (0.145") represent a distinct mechanical class and are included as secondary options where height variance is acceptable within application tolerances.
Series Variation: Substitute parts span three series designations (ELM 2, ELM 4, ELM 5) while maintaining identical core electrical and material specifications. Series designation reflects internal manufacturing classification without affecting functional equivalence for standard LED standoff applications.
Parameter Comparison
| Part Number | Series | Height | LED Type | Material | Lead Count | RoHS Status | MSL Rating | Product Status |
|---|---|---|---|---|---|---|---|---|
| ELM 2-150 | ELM 2 | 0.150" (3.81mm) | T1 | Black PVC | 2 | ROHS3 Compliant | 1 (Unlimited) | Active |
| ELM 4-150 | ELM 4 | 0.150" (3.81mm) | T1 | Black PVC | 2 | ROHS3 Compliant | 1 (Unlimited) | Active |
| ELM 5-150 | ELM 5 | 0.150" (3.81mm) | T1 | Black PVC | 2 | ROHS3 Compliant | 1 (Unlimited) | Active |
| ELM 4-145 | ELM 4 | 0.145" (3.68mm) | T1 | Black PVC | 2 | ROHS3 Compliant | 1 (Unlimited) | Active |
Engineering Selection Recommendations
Direct Equivalents (Identical Height - 0.150"):
ELM 4-150 and ELM 5-150 are direct parametric equivalents to the ELM 2-150. All three parts maintain identical height specifications (0.150" / 3.81mm), material composition (Black PVC), LED type (T1), and compliance certifications (ROHS3). Selection among these three parts is determined by availability and supply chain requirements, as no functional differentiation exists based on provided specifications.
Secondary Equivalent (Reduced Height - 0.145"):
ELM 4-145 maintains all electrical and material parameters identical to the ELM 2-150 but specifies a reduced height of 0.145" (3.68mm), representing a 0.005" (0.13mm) dimensional reduction. This part is substitutable only in applications where the reduced standoff height is mechanically acceptable within circuit board layout and component clearance tolerances.
Compliance and Product Status:
All substitute parts carry Active product status and ROHS3 compliance certification, confirming ongoing manufacturing support and environmental regulatory alignment with the primary part.
Frequently Asked Questions (FAQ)
Q: Can ELM 4-150 be used as a direct replacement for ELM 2-150?
A: Yes. ELM 4-150 is a direct parametric equivalent. Both parts specify identical height (0.150"), LED type (T1), material (Black PVC), lead count (2), and compliance certifications (ROHS3). Series designation (ELM 2 vs. ELM 4) does not affect functional compatibility.
Q: What is the difference between ELM 2-150 and ELM 4-145?
A: The primary difference is height specification. ELM 2-150 specifies 0.150" (3.81mm) while ELM 4-145 specifies 0.145" (3.68mm). This 0.005" reduction may affect vertical clearance in constrained PCB layouts. All other parameters (LED type, material, lead count, compliance) are identical.
Q: Are ELM 5-150 and ELM 4-150 interchangeable with ELM 2-150?
A: Yes. Both ELM 5-150 and ELM 4-150 maintain identical specifications to ELM 2-150 across all provided parameters. Series designation reflects manufacturing classification only and does not impact electrical or mechanical performance in standard LED standoff applications.
Q: What packaging format is used for these parts?
A: All parts in this equivalency group are supplied in Bag packaging format.
Q: Are there any moisture sensitivity concerns with these substitutes?
A: No. All parts carry MSL Rating 1 (Unlimited), indicating no moisture sensitivity restrictions during storage, handling, or assembly processes.
Q: Can I mix different series parts (ELM 2, ELM 4, ELM 5) in the same assembly?
A: Yes, provided height specifications match application requirements. ELM 2-150, ELM 4-150, and ELM 5-150 are mechanically and electrically equivalent and can be used interchangeably within the same design.
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