Equivalent & Substitute Parts for PTH08T221WAST

Part Overview

PTH08T221WAST is a non-isolated POL (Point of Load) DC-DC converter module manufactured by Texas Instruments. It features a single output voltage range of 0.69V to 5.5V, a maximum output current of 16A, and operates from a 4.5V to 14V input. The module offers essential features such as remote on/off control, overcurrent protection (OCP), overtemperature protection (OTP), and undervoltage lockout (UVLO). The product is classified as obsolete, making it necessary to identify suitable alternative models to ensure ongoing production, maintenance, or design continuity.

Substiute Parts

PTH08T221WAST

Texas InstrumentsIn Stock: 1155PTH08T221WAST Datasheet

Current PartRFQ

PTH08T220WAZT

Texas InstrumentsIn Stock: 1883PTH08T220WAZT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the Texas Instruments PTH08T221WAST have been identified strictly according to the following key parameters: device type, number of outputs, input voltage range, output voltage range, maximum output current, features, efficiency, mounting method, package/case, size/dimensions, operating temperature range, and regulatory status. Only parts meeting all these explicit criteria have been considered as substitutes.

Parameter Comparison

Engineering Selection Recommendations

The main part, Texas Instruments PTH08T221WAST, is classified as obsolete. The substitute part, Texas Instruments PTH08T220WAZT, is active and maintains RoHS3 compliance, which fulfills stricter environmental requirements. Both products have the same electrical, mechanical, and environmental operating parameters and are suitable for direct substitution based on provided compliance and certification fields.

Frequently Asked Questions (FAQ)

Q1: What parameters are critical for selecting a substitute for PTH08T221WAST?
A1: Substitute selection for PTH08T221WAST is strictly based on matching type, number of outputs, input and output voltage ranges, maximum output current, features, thermal range, electrical efficiency, mounting, package, and physical dimensions.

Q2: Is PTH08T220WAZT footprint compatible with PTH08T221WAST?
A2: Both PTH08T221WAST and PTH08T220WAZT use the 11-SMD Module package with identical physical dimensions, supporting direct mechanical and PCB compatibility.

Q3: Are there differences in environmental or regulatory compliance between the two parts?
A3: PTH08T221WAST is RoHS non-compliant, while PTH08T220WAZT is ROHS3 Compliant with a Moisture Sensitivity Level of 3 (168 hours), compared to MSL 1 (Unlimited) for the original part.

Q4: Can PTH08T220WAZT be used in the same commercial applications as PTH08T221WAST?
A4: Applications are identical (ITE - Commercial), and all specified features are matched.

Q5: What are the implications of the moisture sensitivity level difference?
A5: PTH08T221WAST has MSL 1 (Unlimited), while PTH08T220WAZT has MSL 3 (168 Hours). Storage and handling procedures should conform to MSL 3 protocols for PTH08T220WAZT.