Alternatives to Diodes Incorporated ZLDO1117G12TA
Diodes Incorporated ZLDO1117G12TA and its qualified second sources, compared on form/fit/function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
 ZLDO1117G12TADiodes Incorporated | ZLDO1117QG12TADiodes Incorporated | LM111712QDCYRQ1Texas Instruments | +4more | |
|---|---|---|---|---|
| FFF Compatibility | Identical SOT-223-3 footprint and pinout (1: ADJ/GND, 2: VOUT/TAB, 3: VIN).Identical physical dimensions and SOT-223-3 package styling.Meets or exceeds all original parameters, including 1.2V output, 1A output current, and 18V maximum input. | Identical SOT-223-4 (DCY) footprint mapping pins 1 to GND, 2 to OUT, 3 to IN, and 4 (Tab) to OUT.Standard SOT-223 package size and physical dimensions.Fully meets the 1.2V fixed output, 1A current capacity, and 18V input limit. | ||
 AI Summary | ZLDO1117G12TA by Diodes Incorporated: Linear Voltage Regulator IC Positive Fixed 1 Output 1A SOT-223-3. | This is the AEC-Q100 qualified automotive-grade version of the obsolete ZLDO1117G12TA. It is currently active and maintains the exact same electrical characteristics and physical footprint, making it a perfect direct drop-in replacement.
| An automotive-grade 1.2V fixed regulator from Texas Instruments that matches the 18V maximum input and 1A output current of the original. It offers a slightly higher full-load dropout voltage of 1.7V compared to the original's 1.35V.
| |
| Lifecycle Status | Obsolete | Unknown | Unknown | |
| Market Availability | Non-stock | Unknown | Unknown | |
| REACH | REACH | Unknown | Unknown | |
| RoHS | RoHS | Unknown | Unknown | |
| Description | Linear Voltage Regulator IC Positive Fixed 1 Output 1A SOT-223-3 | This is the AEC-Q100 qualified automotive-grade version of the obsolete ZLDO1117G12TA. It is currently active and maintains the exact same e | An automotive-grade 1.2V fixed regulator from Texas Instruments that matches the 18V maximum input and 1A output current of the original. It | |
| Manufacturer | Diodes Incorporated | Diodes Incorporated | Texas Instruments | |
| Type | Power Management (PMIC) | Component | Component | |
| Datasheet | Open | N/A | N/A | |
| Lead Time | 24 weeks | Unknown | Unknown | |
| Country of Origin | CN | - | - | |
| Export Control Class Number | EAR99 | EAR99 | EAR99 | |
| HTSUS Code | 8542.39.0090 | - | - | |
| Moisture Sensitivity Level | 1 (Unlimited) | - | - | |
| PSRR | 80dB (120Hz) | - | - | |
| Output Type | Fixed | - | - | |
| Mounting Type | Surface Mount | - | - | |
| Package / Case | TO-261-4, TO-261AA | - | - | |
| Current - Output | 1A | - | - | |
| Protection Features | Over Current, Over Temperature | - | - | |
| Number of Regulators | 1 | - | - | |
| Output Configuration | Positive | - | - |
Unlock all 6 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 Diodes Incorporated ZLDO1117G12TA 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 Diodes Incorporated ZLDO1117G12TA are the ZLDO1117QG12TA (Diodes Incorporated) and the LM111712QDCYRQ1 (Texas Instruments), out of 6 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 ZLDO1117G12TA 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 ZLDO1117G12TA (Diodes Incorporated) is a part in the Power Management (PMIC) 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