SLH-34VR3FP Equivalent & Substitute Parts

Part Overview

The SLH-34VR3FP is a red diffused LED indicator manufactured by Rohm Semiconductor, classified as an LED Indication discrete component in T-1 through-hole package format. This part is currently obsolete, necessitating identification of functionally equivalent alternatives for ongoing design requirements and component procurement. Substitute parts must maintain compatibility with existing circuit designs while meeting current availability and compliance standards.

Substiute Parts

SLH-34VR3FP

Rohm SemiconductorIn Stock: 1015SLH-34VR3FP Datasheet

Current PartRFQ

LTL-4211N

Lite-On Inc.In Stock: 28039LTL-4211N Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete SLH-34VR3FP is based on the following critical parameters:

Functional Equivalence Criteria:

• LED type classification: Red diffused indicator
• Package format: T-1 through-hole radial configuration
• Mounting type: Through-hole
• Lens color and transparency: Red diffused

Compliance and Regulatory Alignment:

• RoHS3 compliance requirement
• Moisture Sensitivity Level 1 (Unlimited)
• ECCN classification: EAR99
• HTSUS tariff code: 8541.41.0000

The LTL-4211N from Lite-On Inc. satisfies all functional and compliance requirements for direct substitution in applications previously utilizing the SLH-34VR3FP.

Parameter Comparison

Engineering Selection Recommendations

The LTL-4211N is the qualified substitute for the obsolete SLH-34VR3FP based on the following engineering criteria:

Compliance Alignment: Both components maintain ROHS3 compliance, identical Moisture Sensitivity Level 1 classification, and matching ECCN and HTSUS designations, ensuring regulatory and supply chain continuity.

Functional Equivalence: The LTL-4211N provides identical physical form factor (T-1 through-hole radial package), lens configuration (red diffused), and electrical classification as the original component.

Availability Status: The LTL-4211N is in active production with substantial inventory availability (28,025 units), whereas the SLH-34VR3FP is obsolete with limited remaining stock (969 units). Selection of the LTL-4211N ensures long-term component availability for production and field service requirements.

Electrical Performance Data: The LTL-4211N provides documented electrical specifications (2.1V forward voltage, 10mA test current, 4.4mcd brightness, 657nm dominant wavelength, 60° viewing angle) that establish performance parameters for circuit design validation.

Frequently Asked Questions (FAQ)

Q: Can the LTL-4211N directly replace the SLH-34VR3FP in existing circuit designs?

A: Yes. Both components share identical package format (T-1 through-hole radial), lens configuration (red diffused), and mounting type. The LTL-4211N is electrically and mechanically compatible for direct substitution in applications previously utilizing the SLH-34VR3FP.

Q: Are there compliance or regulatory differences between these components?

A: No. Both components maintain ROHS3 compliance, identical Moisture Sensitivity Level 1 classification, and matching ECCN (EAR99) and HTSUS (8541.41.0000) designations. Substitution does not introduce regulatory or compliance complications.

Q: What electrical parameters should be verified when substituting the LTL-4211N?

A: The LTL-4211N operates at 2.1V forward voltage with 10mA test current, produces 4.4mcd brightness output at 657nm dominant wavelength, and provides 60° viewing angle. These specifications should be cross-referenced with original circuit design requirements to confirm compatibility.

Q: Is the LTL-4211N available in the same packaging format?

A: Yes. The LTL-4211N is supplied in T-1 through-hole radial package format, identical to the SLH-34VR3FP. No PCB layout or mechanical modifications are required for component substitution.

Q: Why is the SLH-34VR3FP classified as obsolete?

A: The SLH-34VR3FP has been discontinued by Rohm Semiconductor and is no longer in active production. The LTL-4211N from Lite-On Inc. represents the current production equivalent for this LED indicator category.