AP7315D-18FS4-7B Equivalent & Substitute Parts

Part Overview

The AP7315D-18FS4-7B is a linear voltage regulator IC manufactured by Diodes Incorporated, designed for positive fixed output applications. This Surface Mount device delivers 150mA output current with a fixed 1.8V output and is housed in a 4-XDFN Exposed Pad package. The part is currently Active in product status with full RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when electrical specifications, output configuration, package type, and compliance certifications remain identical across alternative part numbers from the same manufacturer.

Substiute Parts

AP7315D-18FS4-7B

Diodes IncorporatedIn Stock: 5345AP7315D-18FS4-7B Datasheet

Current PartRFQ

AP7315-18FS4-7B

Diodes IncorporatedIn Stock: 719AP7315-18FS4-7B Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AP7315D-18FS4-7B are identified based on strict electrical and mechanical parameter matching. The substitution criteria include:

• Identical output voltage configuration (Positive, Fixed, 1.8V)
• Identical output current rating (150mA)
• Identical maximum input voltage (5.25V)
• Identical voltage dropout specification (0.44V @ 150mA)
• Identical package type and supplier device package (4-XDFN Exposed Pad, X2-DFN1010-4)
• Identical mounting type (Surface Mount)
• Identical operating temperature range (-40°C ~ 85°C)
• Identical compliance certifications (RoHS3, REACH Unaffected)
• Active product status from the same manufacturer

The AP7315D-18FS4-7B and AP7315-18FS4-7B share all critical electrical and mechanical parameters, making them direct parametric equivalents within the Diodes Incorporated AP7315 regulator series.

Parameter Comparison

Engineering Selection Recommendations

Both the AP7315D-18FS4-7B and AP7315-18FS4-7B are Active products from Diodes Incorporated with identical electrical specifications and package configurations. Selection between these parts is based on availability and inventory status. The AP7315D-18FS4-7B currently maintains higher inventory levels (5311 Pcs) compared to AP7315-18FS4-7B (693 Pcs). Both parts carry ROHS3 compliance and REACH Unaffected status, meeting regulatory requirements for industrial and commercial applications. The MSL 1 rating indicates unlimited shelf life under standard storage conditions.

Frequently Asked Questions (FAQ)

Q: Are AP7315D-18FS4-7B and AP7315-18FS4-7B electrically interchangeable?

A: Yes. Both parts deliver identical electrical performance with 1.8V fixed output, 150mA current capacity, 0.44V maximum dropout voltage, and 75dB PSRR at 1kHz. All key electrical parameters match exactly.

Q: Can these parts be used interchangeably in PCB designs?

A: Yes. Both parts use the identical 4-XDFN Exposed Pad package (X2-DFN1010-4) with Surface Mount configuration, ensuring pin-for-pin compatibility and identical PCB footprints.

Q: What is the difference between AP7315D-18FS4-7B and AP7315-18FS4-7B?

A: The parts are parametric equivalents with no functional differences. The designation variation reflects internal Diodes Incorporated part numbering conventions but does not indicate different electrical characteristics or performance.

Q: Are both parts suitable for -40°C to 85°C operating environments?

A: Yes. Both parts are rated for the identical operating temperature range of -40°C to 85°C, supporting industrial and extended commercial temperature applications.

Q: Do both parts meet RoHS and REACH compliance requirements?

A: Yes. Both AP7315D-18FS4-7B and AP7315-18FS4-7B are ROHS3 Compliant and REACH Unaffected, meeting environmental and regulatory standards for electronics manufacturing.

Q: Which part should be selected based on availability?

A: Selection should be based on project timeline and inventory requirements. AP7315D-18FS4-7B has higher current stock (5311 Pcs), while AP7315-18FS4-7B has lower availability (693 Pcs). Both are Active products with no planned discontinuation.