AP7370-18WR-7 Equivalent & Substitute Parts

Part Overview

The AP7370-18WR-7 is a linear voltage regulator IC from Diodes Incorporated designed for positive fixed output applications. This Surface Mount device delivers 300mA output current at a fixed 1.8V output with input voltage tolerance up to 18V. The part is classified as Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when parametric specifications, package compatibility, and regulatory certifications align with the original component, enabling direct replacement in circuit designs without functional degradation.

Substiute Parts

AP7370-18WR-7
Diodes IncorporatedIn Stock: 1277AP7370-18WR-7 Datasheet
AP7370-18WR-7
Current Part
AP7370-18W5-7
Diodes IncorporatedIn Stock: 8994AP7370-18W5-7 Datasheet
AP7370-18W5-7
Parametric Equivalent

Key Parameters

Parameter Value
Manufacturer Diodes Incorporated
Category Power Management (PMIC)
Output Configuration Positive
Output Type Fixed
Voltage - Output (Min/Fixed) 1.8V
Voltage - Input (Max) 18V
Current - Output 300mA
Current - Quiescent (Iq) 2.5 µA
Operating Temperature -40°C ~ 125°C (TJ)
Package / Case SC-74A, SOT-753
Mounting Type Surface Mount
Protection Features Over Current, Over Temperature, Reverse Current, Short Circuit
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the AP7370-18WR-7 is determined by strict parametric alignment across the following criteria:

Critical Matching Parameters:

  • Output voltage: 1.8V fixed
  • Maximum output current: 300mA
  • Maximum input voltage: 18V
  • Package type: SOT-25 (SC-74A, SOT-753)
  • Mounting configuration: Surface Mount
  • Protection features: Over Current, Over Temperature, Reverse Current, Short Circuit
  • Operating temperature range: -40°C ~ 125°C (TJ)
  • Regulatory compliance: RoHS3 Compliant, REACH Unaffected

The AP7370-18W5-7 meets all specified parametric requirements and is classified as a parametric equivalent. Both parts share identical electrical specifications, package footprint, and regulatory certifications, enabling direct circuit substitution.

Parameter Comparison

Parameter AP7370-18WR-7 AP7370-18W5-7 Match Status
Manufacturer Diodes Incorporated Diodes Incorporated Identical
Category Power Management (PMIC) Power Management (PMIC) Identical
Output Configuration Positive Positive Identical
Output Type Fixed Fixed Identical
Voltage - Output (Min/Fixed) 1.8V 1.8V Identical
Voltage - Input (Max) 18V 18V Identical
Current - Output 300mA 300mA Identical
Current - Quiescent (Iq) 2.5 µA 2.5 µA Identical
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) Identical
Package / Case SC-74A, SOT-753 SC-74A, SOT-753 Identical
Mounting Type Surface Mount Surface Mount Identical
Protection Features Over Current, Over Temperature, Reverse Current, Short Circuit Over Current, Over Temperature, Reverse Current, Short Circuit Identical
RoHS Status ROHS3 Compliant ROHS3 Compliant Identical
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited) Identical
Product Status Active Active Identical

Engineering Selection Recommendations

Both the AP7370-18WR-7 and AP7370-18W5-7 are Active product status components with full RoHS3 compliance and REACH Unaffected certification. The parts are functionally equivalent across all specified electrical and mechanical parameters. Selection between these parts may be based on inventory availability, packaging format (Tape & Reel), or supply chain considerations. The AP7370-18W5-7 maintains 8906 units in stock compared to 1174 units for the AP7370-18WR-7, providing extended availability for high-volume applications.

Frequently Asked Questions (FAQ)

Q: Can the AP7370-18W5-7 be used as a direct replacement for the AP7370-18WR-7?

A: Yes. Both parts are parametric equivalents with identical electrical specifications, output voltage (1.8V fixed), output current (300mA), input voltage rating (18V maximum), operating temperature range (-40°C ~ 125°C), package type (SOT-25), and protection features. Direct circuit substitution is supported.

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

A: No. Both parts use the SC-74A, SOT-753 package with Surface Mount configuration. PCB footprints and land patterns are identical, enabling direct board-level substitution without layout modifications.

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

A: Substitution is determined by matching output voltage (1.8V), output current capacity (300mA), maximum input voltage (18V), package type (SOT-25), mounting method (Surface Mount), protection features (Over Current, Over Temperature, Reverse Current, Short Circuit), and operating temperature range (-40°C ~ 125°C).

Q: Do both parts meet the same regulatory requirements?

A: Yes. Both the AP7370-18WR-7 and AP7370-18W5-7 are RoHS3 Compliant and REACH Unaffected, meeting identical regulatory standards for environmental and hazardous substance restrictions.

Q: What is the difference between the part numbers AP7370-18WR-7 and AP7370-18W5-7?

A: The part numbers differ in the packaging designation suffix (WR versus W5), which reflects different tape and reel configurations or supplier packaging formats. The core electrical and functional specifications remain identical.

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