LF33CDTAlternatives & Equivalent Parts
About LF33CDT
LF33CDT is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a TO-XXX (Inc. DPAK) package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | LF33CDTSource | INA239AIDGSR |
|---|---|---|
| Manufacturer | STMicroelectronics | Texas Instruments |
| Package Type | TO-XXX (Inc. DPAK) | Small Outline Packages |
| Pin Count | 3 | 10 |
| Temperature Range | — | -40.0°C ~ 125.0°C |
| Price | $0.2540 | — |
| Electrical Parameters | ||
| Pbfree Code | Yes | Yes |
| YTEOL | 0 | 15 |
| Adjustability | FIXED | — |
| Dropout Voltage1-Max | 0.7 V | — |
| Dropout Voltage1-Nom | 0.4 V | — |
| Input Voltage Absolute-Max | 40 V | — |
| Input Voltage-Max | 16 V | — |
| Input Voltage-Min | 4.3 V | — |
| JESD-30 Code | R-PSSO-G2 | S-PDSO-G10 |
| JESD-609 Code | e3 | e3 |
| Line Regulation-Max | 0.016% | — |
| Load Regulation-Max | 0.016% | — |
| Number of Functions | 1 | 1 |
| Number of Outputs | 1 | — |
| Operating Temperature TJ-Max | 125 °C | — |
| Operating Temperature TJ-Min | -40 °C | — |
| Output Current1-Max | 0.5 A | — |
| Output Voltage1-Max | 3.432 V | — |
| Output Voltage1-Min | 3.168 V | — |
| Output Voltage1-Nom | 3.3 V | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SMSIP3H,.38,90TB | TSSOP10,.19,20 |
| Package Shape | RECTANGULAR | SQUARE |
| Package Style | SMALL OUTLINE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 | 260 |
| Qualification Status | Not Qualified | — |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — |
| Surface Mount | YES | YES |
| Technology | BIPOLAR | — |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING |
| Terminal Pitch | 2.28 mm | 0.5 mm |
| Terminal Position | SINGLE | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 |
| Voltage Tolerance-Max | 4% | — |
| Adjustable Threshold | — | YES |
| Analog IC - Other Type | — | UNDER/OVERVOLTAGE SUPERVISOR |
| Number of Channels | — | 1 |
| Supply Voltage-Max (Vsup) | — | 5.5 V |
| Supply Voltage-Min (Vsup) | — | 2.7 V |
| Supply Voltage-Nom (Vsup) | — | 3.3 V |
| Temperature Grade | — | AUTOMOTIVE |
| Threshold Voltage-Nom | — | +52V |
| ## INA239AIDGSR Alternates Showing results | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Why Look for Alternatives?
Finding alternatives for LF33CDT 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 LF33CDT 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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Request Alternatives for LF33CDTFAQ
What is equivalent to LF33CDT?
Known equivalents for LF33CDT include INA239AIDGSR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LF33CDT?
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 LF33CDT 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.