AP7343-10FS4-7B Equivalent & Substitute Parts

Part Overview

The AP7343-10FS4-7B is a linear voltage regulator IC from Diodes Incorporated designed for positive fixed output applications. This device delivers 300mA output current with a fixed 1V output and operates across an input voltage range up to 5.25V. The regulator features integrated over-current protection and an enable control function, making it suitable for low-power supply applications requiring stable voltage regulation in compact form factors.

The part is currently in active production status with 792 units in stock. Identifying equivalent substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and maintain component availability across manufacturing cycles.

Substiute Parts

AP7343-10FS4-7B

Diodes IncorporatedIn Stock: 887AP7343-10FS4-7B Datasheet

Current PartRFQ

AP7343D-10FS4-7B

Diodes IncorporatedIn Stock: 10659AP7343D-10FS4-7B Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AP7343-10FS4-7B are identified based on strict electrical and mechanical parameter matching. The substitution criteria are:

• Output voltage configuration: Positive fixed output at 1V
• Output current capability: 300mA minimum
• Maximum input voltage: 5.25V
• Package type: 4-XDFN Exposed Pad (X2-DFN1010-4)
• Mounting method: Surface Mount
• Control and protection features: Enable function with over-current protection
• Operating temperature range: -40°C ~ 85°C
• Regulatory compliance: ROHS3 Compliant

The AP7343D-10FS4-7B meets all these criteria and is classified as a parametric equivalent.

Parameter Comparison

Engineering Selection Recommendations

Both the AP7343-10FS4-7B and AP7343D-10FS4-7B are active production parts with full ROHS3 compliance and REACH unaffected status. The AP7343D-10FS4-7B offers significantly higher inventory availability at 10,628 units compared to 792 units for the AP7343-10FS4-7B. Both parts share identical electrical specifications, package configuration, and regulatory certifications. Selection between these parts should be based on supply chain requirements and inventory management priorities.

Frequently Asked Questions (FAQ)

Q: Can the AP7343D-10FS4-7B be used as a direct replacement for the AP7343-10FS4-7B?

A: Yes. Both parts are parametric equivalents with identical electrical characteristics, output voltage, current rating, dropout voltage, control features, protection mechanisms, operating temperature range, and package type. Direct substitution is supported without circuit modification.

Q: Are there any differences in the package or mounting requirements?

A: No. Both parts use the identical 4-XDFN Exposed Pad package (X2-DFN1010-4) with surface mount configuration. PCB layout and assembly processes remain unchanged.

Q: What are the key parameters that determine substitution eligibility?

A: Substitution eligibility is determined by matching output voltage (1V fixed), output current (300mA), maximum input voltage (5.25V), package type (4-XDFN Exposed Pad), control features (Enable), protection features (Over Current), and operating temperature range (-40°C ~ 85°C).

Q: Do both parts meet the same compliance standards?

A: Yes. Both the AP7343-10FS4-7B and AP7343D-10FS4-7B are ROHS3 compliant, REACH unaffected, and carry identical moisture sensitivity levels (MSL 1 - Unlimited).

Q: Which part should be selected for new designs?

A: Selection should be based on supply chain availability and inventory requirements. The AP7343D-10FS4-7B offers higher stock levels, while both parts maintain identical performance characteristics and regulatory compliance.