Alternatives to Texas Instruments UCC33421DHAR
Texas Instruments UCC33421DHAR and its qualified second sources, compared on form, fit and function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
Equivalent and substitute parts for Texas Instruments UCC33421DHAR
| UCC33421DHARTexas Instruments | UCC33421QDHARQ1Texas Instruments |  UCC33411QDHARQ1Texas Instruments | |
|---|---|---|---|
| FFF Compatibility | The part utilizes the exact same 16-pin DHA package with identical pinout assignments.The physical package dimensions and surface-mount style match the target part precisely.Meets or exceeds all electrical performance specifications, including 1.5W output power and 4.5V to 5.5V input range. | Shares the identical DHA SSOP-16 pinout mapping.Maintains the same physical package shape, pitch, and height.Outputs 3.3V/3.7V instead of the required 5.0V/5.5V, and provides a maximum power of only 1.0W. | |
 AI Summary | UCC33421DHAR by Texas Instruments: Isolated Module DC DC Converter 1 Output 5V 300mA 4.5V - 5.5V Input. | The UCC33421QDHARQ1 is the automotive-qualified (AEC-Q100 Grade 1) version of the UCC33421DHAR. It acts as an exact, seamless drop-in replacement with the same electrical and physical specifications, requiring no board layout changes.
| The UCC33411QDHARQ1 is a pin-compatible family member designed for 3.3V output rails with 1.0W maximum power. It can only be used if the downstream isolated load is fully compatible with a 3.3V supply.
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| Lifecycle Status | Active | Active | Active |
| Market Availability | Non-stock | Non-stock | Non-stock |
| REACH | Unknown | Unknown | Unknown |
| RoHS | RoHS | RoHS | RoHS |
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Related parts
| Part | Market availability | Lifecycle | Alternatives available |
|---|---|---|---|
 UCC33411QDHARQ1Texas Instruments | Non-stock | Active | 6Alternatives availableSee Alternatives |
 UCC3818DWTexas Instruments | In stock | Obsolete | 6Alternatives availableSee Alternatives |
 UCC28084DRTexas Instruments | In stock | Active | 4Alternatives availableSee Alternatives |
 UC3843ANonsemi | Discontinued | Obsolete | 4Alternatives availableSee Alternatives |
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