SLM-370 LED Standoff Equivalent & Substitute Parts

Part Overview

The SLM-370 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 and features a 0.370" (9.40mm) length specification. The part maintains Active product status and is RoHS3 compliant with MSL Level 1 rating, indicating unlimited moisture sensitivity tolerance.

Substitute parts become necessary when primary inventory is unavailable, when supply chain disruptions occur, or when design flexibility permits selection from qualified alternative manufacturers. Würth Elektronik manufactures parametrically equivalent alternatives that satisfy the core functional and mechanical requirements of this LED standoff category.

Key Parameters

Parameter	Specification	Criticality for Substitution
LED Type	T1, T1 3/4	Critical - Determines mechanical fit and optical alignment
Material	Nylon	Critical - Defines electrical insulation and thermal properties
Color	Black	Critical - Ensures visual consistency and light absorption characteristics
Length	0.370" (9.40mm)	Critical - Determines PCB standoff height and component clearance
RoHS Status	ROHS3 Compliant	Critical - Regulatory compliance requirement
Product Status	Active	Important - Ensures ongoing availability and support
Packaging	Bag	Important - Affects handling and storage procedures

Substitute Part Grouping Explanation

Substitution logic for the SLM-370 is based on strict parametric equivalence within the LED standoff category. The following criteria determine valid substitutes:

Primary Equivalence Criteria:

LED Type: Must support T1 and T1 3/4 LED configurations
Material: Must be Nylon construction
Color: Must be Black
Length Tolerance: Must fall within acceptable mechanical fit range (±0.020" variance acceptable for PCB mounting applications)
Regulatory Compliance: Must maintain RoHS3 compliance status

Substitute Parts Identified:

Würth Elektronik 705820090 - Length 0.354" (9.00mm)
Würth Elektronik 705820095 - Length 0.374" (9.50mm)

Both substitutes satisfy the core functional parameters: T1/T1 3/4 LED compatibility, black nylon construction, RoHS3 compliance, and active product status. Length variations of ±0.020" from the nominal 0.370" specification remain within standard PCB assembly tolerances for standoff applications.

Parameter Comparison

Parameter	SLM-370 (Bivar Inc.)	705820090 (Würth Elektronik)	705820095 (Würth Elektronik)
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	0.370" (9.40mm)	0.354" (9.00mm)	0.374" (9.50mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active
Packaging	Bag	Bag	Bag
Moisture Sensitivity Level	MSL 1 (Unlimited)	Not Applicable	Not Applicable
ECCN Classification	EAR99	EAR99	EAR99

Engineering Selection Recommendations

SLM-370 (Bivar Inc.) remains the primary specification when available. This part carries explicit MSL Level 1 rating and maintains established supply chain documentation.

705820095 (Würth Elektronik) provides the closest dimensional match with 0.374" (9.50mm) length, representing a +0.004" variance from nominal specification. This substitute is suitable for applications where minimal height deviation is acceptable within PCB assembly tolerances.

705820090 (Würth Elektronik) offers an alternative with 0.354" (9.00mm) length, representing a -0.016" variance from nominal specification. This substitute is suitable for applications where reduced standoff height is compatible with circuit board layout requirements.

All three parts maintain Active product status, RoHS3 compliance, and EAR99 export classification. Selection between substitutes should be based on specific PCB clearance requirements and mechanical fit constraints within the target application.

Frequently Asked Questions (FAQ)

Q: Can 705820090 and 705820095 be used interchangeably with SLM-370?

A: Both Würth Elektronik parts are parametrically equivalent substitutes based on LED type, material, color, and regulatory compliance. However, length differences require verification against specific PCB assembly requirements. The 0.354" length of 705820090 provides reduced standoff height, while 705820095 at 0.374" provides increased standoff height compared to the nominal 0.370" specification.

Q: What is the acceptable length tolerance for LED standoff substitution?

A: Standard PCB assembly practices accommodate ±0.020" length variation for standoff components. Both substitute parts fall within this tolerance range relative to the SLM-370 nominal specification.

Q: Are all three parts RoHS3 compliant?

A: Yes. SLM-370, 705820090, and 705820095 all carry RoHS3 compliance certification, meeting current regulatory requirements for electronic component manufacturing.

Q: Does MSL rating differ between the main part and substitutes?

A: SLM-370 specifies MSL Level 1 (Unlimited). Würth Elektronik substitutes list MSL as Not Applicable. Both designations indicate minimal moisture sensitivity risk for storage and handling in standard industrial environments.

Q: Are packaging formats identical across all three parts?

A: Yes. SLM-370, 705820090, and 705820095 are all supplied in Bag packaging format, maintaining consistent handling and storage procedures.

Q: What export classification applies to these parts?

A: All three parts carry EAR99 classification, indicating standard commercial export treatment without specific licensing requirements.

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