LTM-260 LED Standoff Equivalent & Substitute Parts

Part Overview

The LTM-260 is a T1/T1 3/4 LED standoff manufactured by Bivar Inc., constructed from black crystalline polymer with a 0.260" (6.60mm) length. This component is designed for vertical mounting applications requiring precise LED positioning and alignment in electronic assemblies. The part maintains Active product status and is ROHS3 compliant, making it suitable for current production environments. Equivalent substitute parts may be required due to inventory availability, supply chain considerations, or specific application requirements where alternative material compositions or dimensional tolerances are acceptable within engineering specifications.

Substiute Parts

LTM-260

Bivar Inc.In Stock: 995LTM-260 Datasheet

Current PartRFQ

705820065

Würth ElektronikIn Stock: 4478705820065 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the LTM-260 are qualified based on the following critical parameters:

LED Type Compatibility: Both the main part and substitute must support T1 and T1 3/4 LED form factors to ensure mechanical fit within the standoff cavity.

Length Tolerance: The substitute part length of 0.256" (6.50mm) represents a 0.004" (0.10mm) reduction from the main part specification. This dimensional variance falls within acceptable mechanical tolerance ranges for vertical LED mounting applications where precise height control is not the primary design constraint.

Color Match: Black coloration is maintained across both parts, ensuring consistent visual appearance and light-blocking properties in the assembly.

Material Composition: The substitute uses Nylon instead of Crystalline Polymer. Both materials are thermoplastic polymers suitable for LED standoff applications, with Nylon 66 UL94 V-2 rated for flame resistance and mechanical durability equivalent to crystalline polymer formulations.

Regulatory Compliance: Both parts maintain ROHS3 compliance and EAR99 export classification, ensuring no regulatory barriers to substitution.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection Criteria:

The LTM-260 and 705820065 are functionally equivalent for T1/T1 3/4 LED standoff applications. Selection between these parts should be based on:

1. Inventory Availability: The LTM-260 maintains 973 units in stock, while the 705820065 substitute has 4,385 units available. Choose based on procurement lead time requirements and supply chain strategy.

2. Regulatory Compliance: Both parts satisfy ROHS3 requirements and EAR99 export classifications, eliminating compliance as a differentiating factor.

3. Material Performance: Nylon 66 UL94 V-2 (705820065) provides documented flame resistance certification. Crystalline Polymer (LTM-260) offers equivalent mechanical performance without specific flame rating documentation in the provided specifications.

4. Dimensional Tolerance: The 0.004" (0.10mm) length difference is acceptable for standard LED mounting applications where vertical height is not a critical design parameter. Applications requiring exact 0.260" height should specify the LTM-260.

5. Manufacturer Preference: Bivar Inc. (LTM-260) and Würth Elektronik (705820065) are both established component manufacturers with equivalent quality standards.

Frequently Asked Questions (FAQ)

Q: Can the 705820065 substitute directly replace the LTM-260 in production assemblies?

A: Yes, the 705820065 is a direct functional equivalent for standard LED mounting applications. The 0.004" length difference does not affect performance in applications where LED standoff height is not a critical design constraint. Verify application-specific height requirements before substitution.

Q: Are there any material compatibility concerns when switching from Crystalline Polymer to Nylon?

A: Both materials are thermoplastic polymers suitable for LED standoff applications. Nylon 66 UL94 V-2 provides documented flame resistance. No compatibility issues exist for standard electronic assembly environments. Applications requiring specific thermal or chemical resistance should confirm material suitability.

Q: Do both parts support the same LED form factors?

A: Yes, both the LTM-260 and 705820065 support T1 and T1 3/4 LED types. Mechanical fit and cavity dimensions are compatible across both parts.

Q: What is the significance of the Moisture Sensitivity Level (MSL) difference?

A: The LTM-260 has MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. The 705820065 lists MSL as Not Applicable, indicating the Nylon material does not require moisture-controlled storage. Both parts can be stored and handled under standard warehouse conditions without special precautions.

Q: Are there any export or regulatory restrictions affecting substitution?

A: Both parts carry EAR99 classification and ROHS3 compliance. No additional regulatory barriers exist for substitution. Both parts are suitable for unrestricted commercial distribution.

Q: Which part should be selected for new designs?

A: Selection should be based on current inventory availability and supply chain strategy. Both parts are Active status products suitable for new production designs. The 705820065 offers higher inventory availability (4,385 units), while the LTM-260 provides the original specification reference (973 units).