AP2151DSG-13 Equivalent & Substitute Parts

Part Overview

The AP2151DSG-13 is an active power switch IC manufactured by Diodes Incorporated, designed for USB power distribution and load management applications. This P-Channel high-side switch operates in a 1:1 configuration with integrated protection features including current limiting, over-temperature shutdown, and reverse current blocking. The device is classified as Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating. Alternative part numbers become necessary when addressing supply constraints, packaging preferences, or specific procurement requirements while maintaining identical electrical performance and thermal characteristics.

Substiute Parts

AP2151DSG-13

Diodes IncorporatedIn Stock: 15492AP2151DSG-13 Datasheet

Current PartRFQ

AP2141DSG-13

Diodes IncorporatedIn Stock: 2358AP2141DSG-13 Datasheet

Parametric EquivalentRFQ

AP2141SG-13

Diodes IncorporatedIn Stock: 7394AP2141SG-13 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AP2151DSG-13 is determined by strict equivalence across the following critical parameters:

• Electrical Performance: Output type (P-Channel), configuration (High Side, 1:1), maximum output current (500mA), load voltage range (2.7V ~ 5.5V), and on-resistance (95mOhm typical)
• Protection Features: Current limiting, over-temperature protection, reverse current blocking, and UVLO functionality
• Thermal Specifications: Operating temperature range (-40°C ~ 85°C)
• Compliance & Certifications: RoHS3 compliance, MSL rating, and REACH status
• Manufacturer Consistency: All substitutes are manufactured by Diodes Incorporated

The identified substitutes (AP2141DSG-13 and AP2141SG-13) maintain complete electrical and functional equivalence. Differentiation exists only in packaging designation and inventory availability, with no impact on circuit performance or thermal behavior.

Parameter Comparison

Engineering Selection Recommendations

All three parts maintain Active product status with full RoHS3 compliance and identical electrical specifications. Selection between AP2151DSG-13, AP2141DSG-13, and AP2141SG-13 is determined by packaging requirements and supply availability:

• AP2151DSG-13: Primary selection with highest inventory (15400 units). Specified in 8-SO package.
• AP2141DSG-13: Direct electrical equivalent in 8-SO package with lower inventory (2320 units).
• AP2141SG-13: Direct electrical equivalent in 8-SOP package with moderate inventory (7369 units). Select when 8-SOP package footprint is required.

All parts carry identical REACH status (REACH Unaffected) and ECCN classification (EAR99), ensuring consistent regulatory compliance across substitution scenarios.

Frequently Asked Questions (FAQ)

Q: Are AP2141DSG-13 and AP2141SG-13 pin-compatible with AP2151DSG-13?

A: Both AP2141 variants are electrically equivalent to the AP2151DSG-13. Pin compatibility depends on package matching. AP2141DSG-13 uses 8-SO package (identical to AP2151DSG-13), ensuring direct pin compatibility. AP2141SG-13 uses 8-SOP package and requires PCB layout verification before substitution.

Q: What is the difference between 8-SO and 8-SOP packages?

A: Both are 8-pin surface-mount packages with identical electrical performance. The primary difference is physical footprint and lead configuration. Verify PCB design specifications before selecting between these package types.

Q: Can I substitute AP2151DSG-13 with AP2141DSG-13 without circuit redesign?

A: Yes. AP2141DSG-13 maintains identical electrical specifications, protection features, thermal characteristics, and 8-SO package configuration. No circuit redesign is required.

Q: Are all three parts suitable for USB power switching applications?

A: Yes. All three parts are classified as USB Switch devices with identical 500mA output current, 2.7V to 5.5V load voltage range, and integrated protection features required for USB power distribution.

Q: What is the significance of the 95mOhm on-resistance specification?

A: The 95mOhm typical on-resistance determines power dissipation and thermal performance at maximum load current (500mA). All three parts maintain this specification, ensuring equivalent thermal behavior in circuit applications.

Q: Do all substitutes carry the same compliance certifications?

A: Yes. AP2151DSG-13, AP2141DSG-13, and AP2141SG-13 are all ROHS3 compliant, REACH unaffected, and carry MSL 1 (unlimited) moisture sensitivity rating.