AP7370-33WR-7 Equivalent & Substitute Parts

Part Overview

The AP7370-33WR-7 is a linear voltage regulator IC from Diodes Incorporated designed for positive fixed 3.3V output applications. This Surface Mount device delivers 300mA output current in a compact SOT-25 package and is classified as Active product status. The part is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1), making it suitable for standard industrial and commercial applications. Substitute parts are identified to provide alternative sourcing options when the primary part number becomes unavailable or when packaging format preferences differ.

Substiute Parts

AP7370-33WR-7

Diodes IncorporatedIn Stock: 3818AP7370-33WR-7 Datasheet

Current PartRFQ

AP7370-33W5-7

Diodes IncorporatedIn Stock: 12253AP7370-33W5-7 Datasheet

Parametric EquivalentRFQ

AP7370-33WW-7

Diodes IncorporatedIn Stock: 5978AP7370-33WW-7 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AP7370-33WR-7 are identified based on strict parametric equivalence within the AP7370 base product family. All substitute parts maintain identical electrical specifications: 3.3V fixed output voltage, 300mA output current, 18V maximum input voltage, 0.6V maximum dropout voltage at 100mA, and -40°C to 125°C operating temperature range. All substitute parts share the same package configuration (SC-74A, SOT-753), mounting type (Surface Mount), and protection feature set (Over Current, Over Temperature, Reverse Current, Short Circuit).

The primary differentiation between the main part and substitutes is packaging format. The AP7370-33WR-7 is supplied in Cut Tape (CT) & Digi-Reel® format, while substitute parts AP7370-33WW-7 and AP7370-33W5-7 are supplied in Tape & Reel (TR) format. All parts are manufactured by Diodes Incorporated, maintain Active product status, and comply with ROHS3 and REACH requirements.

Parameter Comparison

Engineering Selection Recommendations

All three part numbers—AP7370-33WR-7, AP7370-33WW-7, and AP7370-33W5-7—are functionally equivalent and interchangeable at the circuit level. Selection between these parts should be based on packaging and supply chain requirements rather than electrical performance.

The AP7370-33WR-7 in Cut Tape format is suitable for lower-volume applications or manual assembly processes. The AP7370-33WW-7 and AP7370-33W5-7 in Tape & Reel format are optimized for high-volume automated assembly operations.

All parts maintain Active product status, ensuring long-term availability and manufacturing support. ROHS3 compliance and unlimited MSL rating (1) indicate these components are suitable for standard storage and handling conditions without special moisture control requirements.

Frequently Asked Questions (FAQ)

Q: Are AP7370-33WR-7, AP7370-33WW-7, and AP7370-33W5-7 electrically identical?

A: Yes. All three parts deliver identical electrical performance: 3.3V fixed output, 300mA output current, 0.6V maximum dropout at 100mA, and -40°C to 125°C operating temperature range. They share the same protection features and package configuration.

Q: What is the difference between these part numbers?

A: The primary difference is packaging format. AP7370-33WR-7 uses Cut Tape (CT) & Digi-Reel® packaging, while AP7370-33WW-7 and AP7370-33W5-7 use Tape & Reel (TR) packaging. This affects handling, storage, and assembly processes but not circuit functionality.

Q: Can I substitute AP7370-33WW-7 for AP7370-33WR-7 in my design?

A: Yes, from an electrical and mechanical standpoint. Both use the same SOT-25 package and deliver identical performance. Verify that your assembly process can accommodate Tape & Reel format if switching from Cut Tape.

Q: Are there inventory differences between these parts?

A: Yes. AP7370-33W5-7 has 12,149 units in stock, AP7370-33WW-7 has 5,911 units, and AP7370-33WR-7 has 3,740 units. Inventory levels may influence sourcing decisions for high-volume orders.

Q: Do all three parts meet the same compliance standards?

A: Yes. All parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 (unlimited) moisture sensitivity rating. They are suitable for identical application environments.