NTM-570 LED Standoff Equivalent & Substitute Parts

Part Overview

The NTM-570 is a T1/T1 3/4 LED standoff manufactured by Bivar Inc., constructed from black nylon material with a height of 0.570" (14.48mm). This component is classified as active status with RoHS3 compliance and MSL Level 1. LED standoffs are mechanical components used to mount and position LED indicators at specific heights above printed circuit boards. Alternative equivalent parts become necessary when the primary model faces supply constraints, extended lead times, or inventory limitations while maintaining compatibility with the original design specifications.

Substiute Parts

NTM-570

Bivar Inc.In Stock: 677NTM-570 Datasheet

Current PartRFQ

705820140

Würth ElektronikIn Stock: 2553705820140 Datasheet

Parametric EquivalentRFQ

705820145

Würth ElektronikIn Stock: 2464705820145 Datasheet

Parametric EquivalentRFQ

705820150

Würth ElektronikIn Stock: 1400705820150 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Equivalent substitutes for the NTM-570 are determined by strict adherence to the following parameters: LED type compatibility (T1 or T1 3/4), color (black), material (nylon), RoHS3 compliance, and physical height tolerance. The substitute parts listed are Würth Elektronik components (705820140, 705820145, 705820150) which share identical LED type classification, material composition, and color specification. These parts are functionally equivalent within design tolerance windows defined by their height specifications. The primary distinction among substitute parts is the physical height variance: 705820140 measures 0.551" (14.00mm), 705820145 measures 0.571" (14.50mm), and 705820150 measures 0.591" (15.00mm). All three are certified to RoHS3 standards and are manufactured from nylon material suitable for electronic assembly applications.

Parameter Comparison

Engineering Selection Recommendations

All substitute parts maintain active product status with Würth Elektronik, ensuring continued manufacturing and technical support availability. RoHS3 compliance across all listed parts confirms suitability for regulated electronics assembly and use in markets with environmental protection requirements. The Würth Elektronik substitutes provide substantially higher inventory levels (1325–2530 pieces) compared to the original NTM-570 (665 pieces), supporting supply chain reliability. Selection among the three Würth alternatives depends solely on the height tolerance requirements of the specific design application: 705820145 offers the closest height match to the original NTM-570 at 0.571" (14.50mm) versus the original 0.570" (14.48mm), representing a difference of 0.001" (0.02mm). Designers must evaluate mechanical clearance and LED positioning requirements within their specific assembly to determine acceptable height variance.

Frequently Asked Questions (FAQ)

Q: What is an LED standoff and why is substitution necessary? A: An LED standoff is a mechanical component that elevates and positions an LED indicator above a PCB surface. Substitution becomes necessary due to supply constraints, extended lead times, or inventory depletion of the primary part, while maintaining electrical and mechanical compatibility with the original design.

Q: Are the Würth Elektronik parts directly compatible with NTM-570 designs? A: The substitute parts are functionally equivalent within design tolerance specifications. All parts share identical LED type support (T1/T1 3/4), color (black), and material (nylon). Height differences range from 0.551" to 0.591" compared to the original 0.570", requiring verification that mechanical clearances and LED positioning tolerances within the specific design accommodate these variations.

Q: Why are there three different Würth Elektronik alternatives with different heights? A: The three alternatives (705820140, 705820145, 705820150) represent the standard product line from Würth Elektronik for T1/T1 3/4 LED standoffs in black nylon. Height variants are offered to accommodate different PCB-to-LED distance requirements across various designs. Selection should be based on the mechanical clearance requirements and LED positioning specifications of the individual application.

Q: What is RoHS3 compliance and why does it matter? A: RoHS3 (Restriction of Hazardous Substances Directive 3) compliance indicates the component is manufactured without restricted hazardous materials including lead, mercury, and other specified substances. All listed parts meet this requirement, ensuring suitability for regulated electronics applications and markets with environmental protection mandates.

Q: What does MSL Level 1 indicate for the NTM-570? A: MSL (Moisture Sensitivity Level) Level 1 designates unlimited shelf life without moisture control requirements. The NTM-570 may be stored and handled under standard environmental conditions without special moisture-limiting packaging or floor-life restrictions during assembly operations.

Q: Can I freely interchange the NTM-570 with any of the listed substitutes? A: Interchangeability depends on the specific mechanical tolerances defined in your design. All parts share core specifications (LED type, material, color, RoHS compliance). The critical parameter is physical height: verify that the height difference between your selected substitute and the original design (ranging from −0.019" to +0.021") is within your mechanical clearance limits and LED positioning requirements before design release.