SLM-300 LED Standoff Equivalent & Substitute Parts

Part Overview

The SLM-300 is a T1/T1 3/4 LED standoff manufactured by Bivar Inc., designed for vertical mounting applications. This component is constructed from black nylon material with a 0.300" (7.62mm) length specification. The part maintains Active product status and is RoHS3 compliant, making it suitable for current production environments. Equivalent substitute parts are identified based on matching electrical and mechanical parameters, including LED form factor, material composition, color specification, and dimensional tolerances within acceptable ranges.

Key Parameters

Parameter	Value	Specification Basis
LED Form Factor	T1, T1 3/4	Determines mechanical fit and optical alignment
Material	Nylon	Defines thermal and chemical compatibility
Color	Black	Optical and aesthetic specification
Length	0.300" (7.62mm)	Critical for PCB clearance and assembly height
RoHS Compliance	ROHS3 Compliant	Regulatory requirement for component selection
Product Status	Active	Availability and long-term supply assurance

Substitute Part Grouping Explanation

Substitute parts for the SLM-300 are qualified based on the following criteria:

Primary Matching Parameters:

LED form factor (T1, T1 3/4) compatibility
Material composition (Nylon)
Color specification (Black)
RoHS3 compliance status
Active product status

Secondary Consideration:

Length tolerance within ±0.015" (±0.38mm) of the primary specification

The identified substitutes (705820075 and 705820080) from Würth Elektronik maintain identical LED form factor, material, and color specifications. Length variations of 0.295" (7.50mm) and 0.315" (8.00mm) represent dimensional alternatives within typical manufacturing tolerances for this component category. Both substitutes maintain RoHS3 compliance and Active product status, ensuring regulatory and supply continuity.

Parameter Comparison

Parameter	SLM-300 (Bivar)	705820075 (Würth)	705820080 (Würth)
Manufacturer	Bivar Inc.	Würth Elektronik	Würth Elektronik
LED Form Factor	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)
Packaging	Bag	Bag	Bag
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active
MSL Rating	1 (Unlimited)	Not Applicable	Not Applicable
ECCN	EAR99	EAR99	EAR99

Engineering Selection Recommendations

SLM-300 (Bivar Inc.): Primary selection for applications requiring the exact 0.300" (7.62mm) length specification. Maintains Active product status with established supply chain. MSL rating of 1 indicates no moisture sensitivity constraints. Suitable for standard production environments.

705820075 (Würth Elektronik): Applicable where a shorter standoff height of 0.295" (7.50mm) is acceptable. Represents a 0.005" (0.13mm) reduction from the primary specification. RoHS3 compliance and Active status confirmed. Nylon 66 material specification provides equivalent mechanical properties.

705820080 (Würth Elektronik): Applicable where a taller standoff height of 0.315" (8.00mm) is acceptable. Represents a 0.015" (0.38mm) increase from the primary specification. RoHS3 compliance and Active status confirmed. Nylon 66 material specification provides equivalent mechanical properties.

All three parts maintain identical LED form factor compatibility, color specification, and regulatory compliance. Selection between alternatives depends on specific PCB clearance requirements and assembly height constraints in the target application.

Frequently Asked Questions (FAQ)

Q: Can 705820075 or 705820080 be used as direct replacements for SLM-300?

A: Both Würth Elektronik parts are parametric equivalents based on LED form factor, material, and color specifications. However, dimensional differences exist: 705820075 is 0.005" shorter and 705820080 is 0.015" taller than the SLM-300. Substitution is valid only if the application tolerates these length variations without affecting PCB clearance or assembly fit.

Q: What is the significance of the length tolerance in this product category?

A: Length directly determines the standoff height above the PCB. Variations affect component clearance, thermal management, and mechanical stability. The identified substitutes represent standard manufacturing variants within the T1/T1 3/4 LED standoff category.

Q: Are all three parts RoHS3 compliant?

A: Yes. SLM-300, 705820075, and 705820080 all carry RoHS3 Compliant status, ensuring regulatory compatibility for current production requirements.

Q: What is the difference between Nylon and Nylon 66?

A: Both materials are nylon-based polymers suitable for LED standoff applications. Nylon 66 is a specific formulation with defined mechanical and thermal properties. The substitutes specify Nylon 66, while the primary part specifies Nylon. Both are functionally equivalent for this component category.

Q: Does MSL rating affect substitution decisions?

A: The SLM-300 carries MSL 1 (Unlimited), indicating no moisture sensitivity. The Würth substitutes list MSL as Not Applicable, indicating they do not require moisture control during storage or handling. This difference does not restrict substitution.

Q: Are packaging formats identical across all three parts?

A: Yes. All three parts are supplied in Bag packaging, maintaining consistent handling and storage requirements.

Q: What export classifications apply to these parts?

A: All three parts carry ECCN classification EAR99, indicating standard commercial components with no export restrictions.

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