TLP9121A(ASTGBTL,F Equivalent & Substitute Parts

Part Overview

The TLP9121A(ASTGBTL,F is a photocoupler optoisolator manufactured by Toshiba Semiconductor and Storage, classified as an Optoisolator Output Channel component. This part is currently listed with Obsolete product status. Due to its obsolescence, locating equivalent or substitute components is necessary to maintain design continuity and ensure ongoing component availability for production and maintenance applications. The substitute part identified maintains functional compatibility within the optoisolator category while offering active product status and enhanced availability.

Substiute Parts

TLP9121A(ASTGBTL,F

Toshiba Semiconductor and StorageIn Stock: 822TLP9121A(ASTGBTL,F Datasheet

Current PartRFQ

TLX9300(TPL,F

Toshiba Semiconductor and StorageIn Stock: 3295TLX9300(TPL,F Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The TLX9300(TPL,F has been identified as a substitute for the TLP9121A(ASTGBTL,F based on the following substitution criteria:

Common Classification Parameters:

• Both components are Optoisolators manufactured by Toshiba Semiconductor and Storage
• Both fall under ECCN classification EAR99
• Both share the same HTSUS code 8541.49.8000
• Both are designed for optoisolation applications requiring electrical isolation between input and output circuits

Substitution Logic: The TLX9300(TPL,F represents an active product alternative within the Toshiba optoisolator portfolio. As the original part is obsolete, this substitute provides continued access to optoisolation functionality with enhanced product lifecycle status and superior inventory availability (3261 Pcs versus 763 Pcs).

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The TLP9121A(ASTGBTL,F carries Obsolete status, indicating discontinued manufacturing and limited long-term availability. The TLX9300(TPL,F maintains Active product status, ensuring continued manufacturing support and supply chain reliability.

Compliance and Certification: Both components share identical ECCN (EAR99) and HTSUS (8541.49.8000) classifications, confirming regulatory equivalence. The TLX9300(TPL,F provides additional qualification through AEC-Q101 automotive certification and ROHS3 compliance, offering enhanced environmental and quality assurance credentials suitable for regulated applications.

Inventory and Availability: Current inventory of the TLP9121A(ASTGBTL,F is limited to 763 pieces. The TLX9300(TPL,F provides substantially higher availability at 3261 pieces, supporting both immediate procurement and long-term production requirements.

Component Specifications: The TLX9300(TPL,F provides documented electrical specifications including 3750Vrms isolation voltage, transistor output configuration, 1-channel design, and operating temperature range of -40°C to 125°C. These specifications define the functional envelope for substitution compatibility.

Frequently Asked Questions (FAQ)

Q: Why is the TLP9121A(ASTGBTL,F being phased out? A: The TLP9121A(ASTGBTL,F is classified as Obsolete, indicating Toshiba has discontinued active manufacturing. Obsolete status typically reflects product lifecycle decisions and the availability of newer alternatives within the manufacturer's portfolio.

Q: What are the key compatibility factors between TLP9121A(ASTGBTL,F and TLX9300(TPL,F? A: Both components are Toshiba optoisolators within the same regulatory classification (ECCN EAR99, HTSUS 8541.49.8000). The TLX9300(TPL,F provides documented isolation voltage of 3750Vrms, single-channel transistor output, and automotive-grade qualification.

Q: Does the TLX9300(TPL,F require PCB layout modifications? A: The TLX9300(TPL,F uses a 6-SOIC package with 4 leads and surface mount mounting type. PCB compatibility depends on the original design's package footprint and pinout configuration. Physical package dimensions are 0.173" width with 4.40mm standard SOIC spacing.

Q: What certifications does the TLX9300(TPL,F carry? A: The TLX9300(TPL,F holds AEC-Q101 automotive qualification and ROHS3 compliance status. These certifications indicate suitability for automotive and environmentally regulated applications.

Q: Is the TLX9300(TPL,F available in the same packaging format? A: The TLX9300(TPL,F is supplied in Tape & Reel (TR) packaging format with 6-SOP supplier device package designation. This differs from the original part's unspecified packaging, requiring verification of tape specifications and reel compatibility with existing assembly equipment.

Q: What is the current transfer ratio specification for the TLX9300(TPL,F? A: The TLX9300(TPL,F specifies a Current Transfer Ratio range of 100% to 900% at 5mA input current, with typical turn-on and turn-off times of 15µs and 50µs respectively.

Q: Can the TLX9300(TPL,F handle the same output current as the original part? A: The TLX9300(TPL,F provides maximum output current of 50mA per channel with Vce saturation of 400mV maximum. Output voltage capability is rated at 40V maximum.