Alternatives to STMicroelectronics USBDF01W5
STMicroelectronics USBDF01W5 and its qualified second sources, compared on form/fit/function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
 USBDF01W5STMicroelectronics |  USBUF01W6STMicroelectronics |  NZF220DFT1Gonsemi | |
|---|---|---|---|
| FFF Compatibility | Requires a 6-pin SOT-363 footprint instead of the original 5-pin SOT-353 footprint, necessitating a PCB layout redesign.Overall physical dimensions are nearly identical (2.00 mm x 1.25 mm), but it uses a 6-lead package rather than 5-lead.Designed for USB upstream ports with a 1.5 kΩ pull-up resistor (Rup), whereas the original is designed for downstream ports with 15 kΩ pull-down resistors (Rd). | The pin count and package are a 100% match, with identical physical pin assignments (Pin 2 Ground, Pins 1-5 and 3-4 channels).Housed in an identical SOT-353 (SC-70-5) package with the same footprint and physical outline dimensions.Has different RC filter values (R = 110 Ω, C = 22 pF vs R = 33 Ω, C = 47 pF) and lacks the integrated 15 kΩ pull-down termination resistors. | |
 AI Summary | USBDF01W5 by STMicroelectronics: RC (Pi) EMI Filter 2nd Order Low Pass 2 Channel R = 33Ohms, C = 47pF 5-TSSOP, SC-70-5, SOT-353. | The USBUF01W6 is an active sibling from the same manufacturer and series, providing the exact same 33 Ω series resistance and 47 pF filtering capacitance. However, because it is designed for USB upstream ports, it includes a 1.5 kΩ pull-up resistor rather than the 15 kΩ pull-down resistors of the original downstream-oriented USBDF01W5, and it requires a 6-pin footprint instead of 5-pin.
| The NZF220DFT1G is a perfect physical drop-in replacement that mounts directly to the existing 5-pin SOT-353 footprint. However, it functions as a pure bi-directional RC filter (110 Ω / 22 pF) without the integrated 15 kΩ pull-down line termination resistors of the original USBDF01W5, meaning external termination resistors must be added elsewhere on the board if downstream USB termination is required.
|
| Lifecycle Status | Obsolete | Active | Active |
| Market Availability | In stock | In stock | In stock |
| REACH | REACH | REACH | REACH |
| RoHS | RoHS | RoHS | RoHS |
| Description | RC (Pi) EMI Filter 2nd Order Low Pass 2 Channel R = 33Ohms, C = 47pF 5-TSSOP, SC-70-5, SOT-353 | RC (Pi) EMI Filter 2nd Order Low Pass 2 Channel R = 33Ohms, C = 47pF 6-TSSOP, SC-88, SOT-363 | RC (Pi) EMI Filter 2nd Order Low Pass 2 Channel R = 110Ohms, C = 22pF 5-TSSOP, SC-70-5, SOT-353 |
| Manufacturer | STMicroelectronics | STMicroelectronics | onsemi |
| Type | EMI/RFI Filters (LC, RC Networks) | EMI/RFI Filters (LC, RC Networks) | EMI/RFI Filters (LC, RC Networks) |
| Datasheet | Open | Open | Open |
| Lead Time | 21 weeks | 21 weeks | 52 weeks |
| Country of Origin | MY | - | - |
| Export Control Class Number | EAR99 | EAR99 | EAR99 |
| HTSUS Code | 8548.00.0000 | - | - |
| Moisture Sensitivity Level | 1 (Unlimited) | - | - |
| Type | Low Pass | - | - |
| Height | 1.1mm | - | - |
| Technology | IPAD™ | - | - |
| Applications | USB Downstream Ports, Notebooks, Workstations, USB Hubs | - | - |
| Filter Order | 2nd | - | - |
Unlock all 2 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 STMicroelectronics USBDF01W5 is marked obsolete, so the manufacturer has discontinued it and any remaining supply is limited to distributor stock. The qualified second sources on this page are active parts you can design in today.
The closest qualified second sources for the STMicroelectronics USBDF01W5 are the USBUF01W6 (STMicroelectronics) and the NZF220DFT1G (onsemi). Each is compared against the original on fit, form and function in the table above.
Not always. The alternatives to the USBDF01W5 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 USBDF01W5 (STMicroelectronics) is a part in the EMI/RFI Filters (LC, RC Networks) 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