UA78M33CKCAlternatives & Equivalent Parts
About UA78M33CKC
UA78M33CKC is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Transistor Outline, Vertical package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | UA78M33CKCSource | UA78M33CKCSE3 | LP2985-33DBVTG4 | OPA698ID | TPS63031DSKT |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Transistor Outline, Vertical | — | SOT23 (5-Pin) | SOIC-8 | Small Outline No-lead |
| Pin Count | 3 | — | 5 | 8 | 10 |
| Temperature Range | — | — | — | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C |
| Price | $0.3721 | $2.3400 | $0.0933 | $4.5300 | $0.4590 |
| Electrical Parameters | |||||
| Pbfree Code | No | — | — | — | Yes |
| YTEOL | 0 | — | 0 | — | 15 |
| Adjustability | FIXED | — | FIXED | — | — |
| Dropout Voltage1-Nom | 2 V | — | 0.28 V | — | — |
| Input Voltage Absolute-Max | 35 V | — | 16 V | — | — |
| Input Voltage-Max | 25 V | — | 16 V | — | 5.5 V |
| Input Voltage-Min | 5.3 V | — | 2.2 V | — | 1.8 V |
| JESD-30 Code | R-PSFM-T3 | — | R-PDSO-G5 | — | S-PDSO-N10 |
| Line Regulation-Max | 0.1% | — | 0.0123552% | — | — |
| Load Regulation-Max | 0.1% | — | 0.132% | — | — |
| Number of Functions | 1 | — | 1 | — | 1 |
| Number of Outputs | 1 | — | 1 | — | — |
| Operating Temperature TJ-Max | 125 °C | — | 125 °C | — | — |
| Output Current1-Max | 0.5 A | — | 0.15 A | — | — |
| Output Voltage1-Max | 3.5 V | — | 3.432 V | — | — |
| Output Voltage1-Min | 3.1 V | — | 3.168 V | — | — |
| Output Voltage1-Nom | 3.3 V | — | 3.3 V | — | — |
| Package Body Material | PLASTIC/EPOXY | — | PLASTIC/EPOXY | — | PLASTIC/EPOXY |
| Package Equivalence Code | SIP3,.1TB | — | TSOP5/6,.11,37 | — | SOLCC10,.1,20 |
| Package Shape | RECTANGULAR | — | RECTANGULAR | — | SQUARE |
| Package Style | FLANGE MOUNT | — | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | — | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Packing Method | TUBE | — | TR, 7 INCH | — | — |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED | — | 260 | — | 260 |
| Qualification Status | Not Qualified | — | Not Qualified | — | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | — |
| Surface Mount | NO | — | YES | — | YES |
| Technology | BIPOLAR | — | CMOS | — | BICMOS |
| Terminal Form | THROUGH-HOLE | — | GULL WING | — | NO LEAD |
| Terminal Pitch | 2.54 mm | — | 0.95 mm | — | 0.5 mm |
| Terminal Position | SINGLE | — | DUAL | — | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | — | 30 | — | 30 |
| Voltage Tolerance-Max | 6% | — | 4% | — | — |
| ## UA78M33CKC Alternates Showing results | Image | — | — | — | — |
| Dropout Voltage1-Max | — | — | 0.575 V | — | — |
| JESD-609 Code | — | — | e4 | — | e4 |
| Operating Temperature TJ-Min | — | — | -40 °C | — | — |
| Terminal Finish | — | — | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Nickel/Palladium/Gold (Ni/Pd/Au) |
| ## LP2985-33DBVTG4 Alternates Showing results | — | — | Image | — | — |
| GBP | — | — | — | 1700 MHz | — |
| Supply Voltage | — | — | — | ±5 to ±15 V | — |
| Input Voltage Noise | — | — | — | 2.0 nV/√Hz | — |
| Slew Rate | — | — | — | 3500 V/µs | — |
| Operating Temperature | — | — | — | -40 to 85 °C | — |
| Output Current | — | — | — | 60 mA | — |
| Quiescent Current | — | — | — | 12.5 mA | — |
| Additional Feature | — | — | — | — | ALSO OPERATES IN ADJUSTABLE MODE FROM 1.2V TO 5.5V |
| Analog IC - Other Type | — | — | — | — | SWITCHING REGULATOR |
| Control Mode | — | — | — | — | CURRENT-MODE |
| Control Technique | — | — | — | — | PULSE WIDTH MODULATION |
| Input Voltage-Nom | — | — | — | — | 3.6 V |
| Output Current-Max | — | — | — | — | 0.4 A |
| Output Voltage-Max | — | — | — | — | 3.3 V |
| Output Voltage-Min | — | — | — | — | 3.3 V |
| Output Voltage-Nom | — | — | — | — | 3.3 V |
| Switcher Configuration | — | — | — | — | BUCK-BOOST |
| Switching Frequency-Max | — | — | — | — | 2600 kHz |
| Temperature Grade | — | — | — | — | AUTOMOTIVE |
| ## TPS63031DSKT Alternates Showing results | — | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Why Look for Alternatives?
Finding alternatives for UA78M33CKC is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating UA78M33CKC replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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What is equivalent to UA78M33CKC?
Known equivalents for UA78M33CKC include UA78M33CKCSE3, LP2985-33DBVTG4, OPA698ID. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of UA78M33CKC?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify UA78M33CKC alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.