AP7354-185FS4-7 Equivalent & Substitute Parts

Part Overview

The AP7354-185FS4-7 is a linear voltage regulator IC manufactured by Diodes Incorporated, designed for positive fixed output regulation at 1.85V with 150mA output current capability. This Surface Mount device operates across the temperature range of -40°C to 85°C and is housed in a 4-XDFN Exposed Pad package. The part is currently Active in product status with 3415 units in stock. Finding equivalent substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and maintain component availability across manufacturing cycles.

Substiute Parts

AP7354-185FS4-7

Diodes IncorporatedIn Stock: 3490AP7354-185FS4-7 Datasheet

Current PartRFQ

AP7354D-185FS4-7

Diodes IncorporatedIn Stock: 702AP7354D-185FS4-7 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AP7354-185FS4-7 are identified based on strict electrical and mechanical parameter matching. The substitution criteria are:

• Identical output voltage: 1.85V fixed
• Identical maximum input voltage: 5.5V
• Identical output current rating: 150mA
• Identical voltage dropout specification: 0.58V @ 150mA
• Identical quiescent current: 0.6 µA
• Identical control features: Enable function
• Identical protection features: Over Current protection
• Identical operating temperature range: -40°C ~ 85°C
• Identical package type: 4-XDFN Exposed Pad
• Identical mounting type: Surface Mount
• Identical regulatory compliance: ROHS3 Compliant, REACH Unaffected

Parts meeting all these criteria are classified as parametric equivalents and direct substitutes.

Parameter Comparison

Engineering Selection Recommendations

Both the AP7354-185FS4-7 and AP7354D-185FS4-7 are Active products from Diodes Incorporated with identical electrical specifications and package configurations. Selection between these parts should be based on inventory availability and supply chain requirements. The AP7354-185FS4-7 offers higher stock availability at 3415 units, while the AP7354D-185FS4-7 provides an alternative source with 650 units in stock. Both parts maintain full ROHS3 compliance and REACH Unaffected status, meeting regulatory requirements for industrial and commercial applications. No performance differentiation exists between these parts based on the provided specifications.

Frequently Asked Questions (FAQ)

Q: Can AP7354D-185FS4-7 be used as a direct replacement for AP7354-185FS4-7?

A: Yes. Both parts share identical electrical parameters including output voltage (1.85V), output current (150mA), input voltage rating (5.5V), dropout voltage (0.58V @ 150mA), and quiescent current (0.6 µA). Both use the same 4-XDFN Exposed Pad package and Surface Mount configuration. No circuit modifications are required.

Q: Are there any package or pinout differences between these parts?

A: No. Both parts use the 4-XDFN Exposed Pad package with identical pinout and mechanical dimensions. They are interchangeable at the PCB assembly level.

Q: Do both parts meet the same regulatory compliance standards?

A: Yes. Both AP7354-185FS4-7 and AP7354D-185FS4-7 are ROHS3 Compliant and REACH Unaffected, meeting identical regulatory requirements.

Q: What is the difference between AP7354-185FS4-7 and AP7354D-185FS4-7?

A: The primary difference is the internal die type designation (indicated by the "D" suffix in AP7354D-185FS4-7). All electrical specifications, package type, and regulatory compliance remain identical. This represents a variant within the same product family.

Q: Which part should be selected based on availability?

A: Selection should be based on project timeline and supply chain strategy. The AP7354-185FS4-7 has higher inventory (3415 units), while AP7354D-185FS4-7 offers an alternative source (650 units). Both are Active products suitable for new designs.