NTM-300 LED Standoff Equivalent & Substitute Parts

Part Overview

The NTM-300 is a T1/T1 3/4 LED standoff manufactured by Bivar Inc., designed for vertical mounting applications with a 0.300" (7.62mm) length. This component is constructed from black nylon material and is classified as Active product status with full ROHS3 compliance. LED standoffs serve as mechanical spacers and alignment fixtures in electronic assemblies, positioning light-emitting diodes at precise heights above printed circuit boards. Substitute parts become necessary when the primary manufacturer experiences supply constraints, extended lead times, or when design requirements permit dimensional tolerance variations within established electrical and mechanical specifications.

Key Parameters

Parameter	Value	Specification Basis
LED Type	T1, T1 3/4	Physical form factor compatibility
Material	Nylon	Mechanical and thermal properties
Color	Black	Visual and optical properties
Length	0.300" (7.62mm)	Vertical spacing and assembly height
RoHS Status	ROHS3 Compliant	Environmental and regulatory compliance
Moisture Sensitivity Level	1 (Unlimited)	Storage and handling requirements
Product Status	Active	Availability and lifecycle

Substitute Part Grouping Explanation

Substitution logic for the NTM-300 is determined by strict adherence to the following parameters: LED type compatibility (T1/T1 3/4 form factor), material composition (nylon), color specification (black), and regulatory compliance (ROHS3). The substitute parts identified—705820075 and 705820080 from Würth Elektronik—maintain identical LED type, material, and color specifications. Both substitute parts are classified as Parametric Equivalents, indicating they satisfy the core functional requirements of the NTM-300 within allowable dimensional tolerances.

Length variation is the primary differentiating parameter among these parts. The NTM-300 specifies 0.300" (7.62mm), while substitute 705820075 measures 0.295" (7.50mm) and substitute 705820080 measures 0.315" (8.00mm). These dimensional variations represent ±0.015" tolerance bands around the nominal specification. Both substitute parts maintain ROHS3 compliance and are manufactured from nylon with identical color and LED type specifications.

Parameter Comparison

Parameter	NTM-300 (Bivar Inc.)	705820075 (Würth Elektronik)	705820080 (Würth Elektronik)
Manufacturer Part Number	NTM-300	705820075	705820080
LED Type	T1, T1 3/4	T1, T1 3/4	T1, T1 3/4
Material	Nylon	Nylon 66	Nylon 66
Color	Black	Black	Black
Length	0.300" (7.62mm)	0.295" (7.50mm)	0.315" (8.00mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active
Packaging	Bag	Bag	Bag
ECCN Classification	EAR99	EAR99	EAR99
HTSUS Code	3926.90.9985	3926.90.9985	3926.90.9985

Engineering Selection Recommendations

Selection between NTM-300 and its substitute parts is determined by assembly height requirements and available inventory. The NTM-300 provides the nominal 0.300" (7.62mm) specification and maintains Active product status with established supply channels. Würth Elektronik part 705820075 accommodates applications requiring reduced standoff height at 0.295" (7.50mm), representing a 0.005" reduction from nominal. Würth Elektronik part 705820080 accommodates applications requiring increased standoff height at 0.315" (8.00mm), representing a 0.015" increase from nominal.

All three parts satisfy ROHS3 compliance requirements and maintain identical LED type, material, and color specifications. Selection should be based on specific assembly height constraints and design tolerance acceptance. Both Würth Elektronik substitutes are classified as Active products with substantial inventory availability, supporting supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can 705820075 and 705820080 be used interchangeably with NTM-300?

A: Interchangeability depends on assembly height tolerance specifications. The 0.005" reduction (705820075) and 0.015" increase (705820080) from the nominal 0.300" specification must be evaluated against design requirements. All three parts maintain identical LED type, material, and color specifications.

Q: Are there material differences between NTM-300 and the Würth Elektronik substitutes?

A: The NTM-300 specifies nylon material, while Würth Elektronik parts specify Nylon 66. Both are nylon-based polymers with equivalent mechanical and thermal properties for LED standoff applications.

Q: Do all three parts meet the same regulatory requirements?

A: Yes. NTM-300, 705820075, and 705820080 are all ROHS3 compliant and classified under identical ECCN (EAR99) and HTSUS (3926.90.9985) codes.

Q: What is the primary parameter that differentiates these substitute parts?

A: Length is the primary differentiating parameter. NTM-300 measures 0.300" (7.62mm), 705820075 measures 0.295" (7.50mm), and 705820080 measures 0.315" (8.00mm).

Q: Are moisture sensitivity considerations different among these parts?

A: NTM-300 specifies MSL 1 (Unlimited). Würth Elektronik parts list MSL as Not Applicable, indicating equivalent or superior moisture resistance characteristics.

Q: What packaging format is used for all three parts?

A: All three parts are supplied in Bag packaging format, supporting standard component handling and assembly processes.

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