TLP9118(SND-TL,F) Equivalent & Substitute Parts

Part Overview

The TLP9118(SND-TL,F) is a logic output optoisolator manufactured by Toshiba Semiconductor and Storage, designed for photocoupler applications requiring galvanic isolation. This component is classified as obsolete and is no longer in active production. Due to its obsolete status, sourcing original inventory becomes increasingly difficult. Identifying qualified substitute components ensures design continuity and maintains system reliability for applications currently utilizing this optoisolator.

Substiute Parts

TLP9118(SND-TL,F)

Toshiba Semiconductor and StorageIn Stock: 1190TLP9118(SND-TL,F) Datasheet

Current PartRFQ

TLX9378(TPL,F

Toshiba Semiconductor and StorageIn Stock: 3825TLX9378(TPL,F Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TLP9118(SND-TL,F) is based on functional equivalence within the optoisolator category. The primary substitute identified is the TLX9378(TPL,F), which maintains compatibility through the following key parameters:

• Manufacturer Continuity: Both components are manufactured by Toshiba Semiconductor and Storage
• Functional Classification: Both are logic output optoisolators with common mode transient immunity (CMTI) capability
• Regulatory Compliance: Both components carry EAR99 ECCN classification and fall under the same HTSUS code (8541.49.8000)
• Isolation Voltage: The substitute maintains isolation voltage specifications suitable for the optoisolator application category
• Output Configuration: Both feature open collector output topology for logic applications

The TLX9378(TPL,F) represents an active product with current manufacturing status, ensuring long-term availability and supply chain stability.

Parameter Comparison

Engineering Selection Recommendations

The TLX9378(TPL,F) is the designated substitute for the obsolete TLP9118(SND-TL,F). Selection of this substitute is supported by the following factors:

Product Status: The TLX9378(TPL,F) maintains active production status, ensuring continued availability and supply chain reliability. The TLP9118(SND-TL,F) is obsolete and subject to inventory depletion.

Regulatory Compliance: Both components share identical ECCN (EAR99) and HTSUS (8541.49.8000) classifications, ensuring equivalent regulatory treatment in procurement and export documentation.

Manufacturer Continuity: Both components originate from Toshiba Semiconductor and Storage, maintaining design philosophy and quality standards within the same manufacturer ecosystem.

Functional Equivalence: The TLX9378(TPL,F) provides logic output optoisolator functionality with specified CMTI performance, meeting the core application requirements of the obsolete part.

Automotive Grade Qualification: The substitute carries AEC-Q101 qualification and automotive-grade designation, providing enhanced reliability assurance for applications requiring automotive-level component standards.

Inventory Availability: The substitute maintains substantially higher current inventory (3747 Pcs) compared to the obsolete part (1111 Pcs), supporting immediate procurement requirements.

Frequently Asked Questions (FAQ)

Q: Can the TLX9378(TPL,F) directly replace the TLP9118(SND-TL,F) in existing designs?

A: The TLX9378(TPL,F) is functionally equivalent as a logic output optoisolator from the same manufacturer. Physical package differences must be evaluated against the original design layout. The substitute uses a 6-SOIC package with 5 leads, which may require PCB layout modifications if the original design accommodated a different package form factor.

Q: What are the key electrical parameters that define substitution compatibility?

A: Substitution compatibility is determined by: (1) optoisolator functional classification, (2) logic output configuration, (3) common mode transient immunity capability, (4) isolation voltage rating, (5) output type (open collector), and (6) manufacturer origin. The TLX9378(TPL,F) satisfies all these criteria.

Q: Does the substitute carry the same regulatory classifications?

A: Yes. Both the TLP9118(SND-TL,F) and TLX9378(TPL,F) carry identical ECCN (EAR99) and HTSUS (8541.49.8000) classifications, ensuring equivalent regulatory treatment in procurement, documentation, and export compliance.

Q: What is the significance of the AEC-Q101 qualification on the substitute?

A: AEC-Q101 qualification indicates the TLX9378(TPL,F) meets automotive-grade reliability standards established by the Automotive Electronics Council. This qualification provides enhanced assurance for applications requiring automotive-level component performance and traceability.

Q: Are there packaging considerations when implementing the substitute?

A: Yes. The TLX9378(TPL,F) is specified as a 6-SOIC surface mount package with 5 leads and 0.179" width (4.55mm). Original designs using the TLP9118(SND-TL,F) must confirm package compatibility with existing PCB layouts and reflow soldering processes. Tape & Reel (TR) packaging is standard for the substitute.

Q: How does the data rate specification of the substitute affect compatibility?

A: The TLX9378(TPL,F) specifies a 10MBd data rate with defined propagation delay characteristics (100ns maximum for both tpLH and tpHL). Applications must confirm that original design timing requirements are satisfied by these specifications. The substitute's rise and fall times (90ns and 30ns typical) define signal transition characteristics.

Q: What supply voltage range does the substitute require?

A: The TLX9378(TPL,F) operates within a 4.5V to 5.5V supply voltage range. Original designs must confirm that power supply specifications align with this requirement. The substitute's forward voltage (1.75V maximum) and maximum forward current (25mA) define input LED characteristics.