Alternatives to Texas Instruments UCC33421DHAR
Texas Instruments UCC33421DHAR and its qualified second sources, compared on form/fit/function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
| UCC33421DHARTexas Instruments | UCC33421QDHARQ1Texas Instruments | UCC33021QDHARQ1Texas Instruments | +3more | |
|---|---|---|---|---|
| FFF Compatibility | The part utilizes the exact same 16-pin DHA package with identical pinout assignments.The physical size of 5.85mm x 7.50mm x 2.65mm matches the target part precisely.It meets or exceeds all electrical performance specifications, including 1.5W output power and 4.5V to 5.5V input range. | The pin assignments and package footprint are identical to the target part.The physical package dimensions are completely identical to the target part.The maximum output power is reduced to 1.0W (200mA maximum) compared to the queried part's 1.5W (300mA maximum). | ||
UCC33421DHAR by Texas Instruments: Isolated Module DC DC Converter 1 Output 5V 300mA 4.5V - 5.5V Input. | This is the automotive-qualified version of the queried part, offering identical electrical parameters and an exact package/pinout match, making it a high-confidence direct replacement.
| This sibling device provides a wider input voltage range but comes with a lower maximum output power rating, making it suitable if your load requirements do not exceed 1.0W.
| ||
| Lifecycle Status | Active | Active | Unknown | |
| Market Availability | Non-stock | Non-stock | Unknown | |
| REACH | Unknown | Unknown | Unknown | |
| RoHS | RoHS | RoHS | Unknown | |
| Description | Isolated Module DC DC Converter 1 Output 5V 300mA 4.5V - 5.5V Input | Isolated Module DC DC Converter 1 Output 5V 300mA 4.5V - 5.5V Input | This sibling device provides a wider input voltage range but comes with a lower maximum output power rating, making it suitable if your load | |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | |
| Type | DC DC Converters | DC DC Converters | Component | |
| Datasheet | N/A | N/A | N/A | |
| Lead Time | 26 weeks | 26 weeks | Unknown | |
| Country of Origin | - | - | - | |
| Export Control Class Number | EAR99 | EAR99 | EAR99 | |
| HTSUS Code | - | - | - | |
| Moisture Sensitivity Level | - | - | - | |
| Type | Isolated Module | - | - | |
| Features | Remote On/Off | - | - | |
| Efficiency | 59% | - | - | |
| Applications | ITE (Commercial) | - | - | |
| Mounting Type | Surface Mount | - | - | |
| Power (Watts) | 1.5W | - | - | |
| Package / Case | 16-BSSOP (0.295", 7.50mm Width) | - | - | |
| Standard Number | 62368-1 | - | - |
Unlock all 5 alternatives
- Find & compare verified second sources
- Spot risk early with real-time part monitoring
- Stay compliant and production-ready
You searched one part. Parter watches your whole BOM.
All your BOM, at once
Parter maps every line to live stock, lead time, lifecycle and compliance data across the entire market — not part by part.
Hear about problems before they hit production
Allocation, EOL and last-time-buy notices surface the moment they appear, not when your buyer's PO bounces.
Qualified replacements in minutes, not days
Every at-risk line gets form-fit-function matches like the ones above — deltas flagged, evidence attached. Review, push to your BOM, and Parter starts watching the new part too.
Frequently asked questions
Yes. The Texas Instruments UCC33421DHAR is active and in production. The parts listed here are qualified equivalents if you need a second source or better availability.
The closest qualified second sources for the Texas Instruments UCC33421DHAR are the UCC33421QDHARQ1 (Texas Instruments) and the UCC33021QDHARQ1 (Texas Instruments), out of 5 matched alternatives in total. Each is compared against the original on fit, form and function in the table above.
Not always. The alternatives to the UCC33421DHAR are matched on function but can differ in package, pinout or a key parameter, so review the fit/form/function notes in the table and the datasheet before designing one in.
The UCC33421DHAR (Texas Instruments) is a part in the DC DC Converters category. This page lists qualified, cross-referenced replacements for it with a side-by-side comparison.
Schedule a demo
See Parter in action
Discover how Parter can help your hardware team:
- Streamline your hardware operations with AI
- Detect and prevent lifecycle disruptions
- Accelerate product development
- Stay compliant and production-ready