LDF33DT-TRAlternatives & Equivalent Parts
About LDF33DT-TR
LDF33DT-TR is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Other package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | LDF33DT-TRSource | LF33ABDT-TR | LM7321MAX/NOPB | THVD1505DR | L4941BDT-TR | ECA1VM100 |
|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | Texas Instruments | Texas Instruments | STMicroelectronics | Panasonic |
| Package Type | Other | Other | Small Outline Packages | Small Outline Packages | — | Capacitor, Polarized Radial Diameter |
| Pin Count | 3 | 3 | 8 | 8 | 3 | 2 |
| Temperature Range | — | — | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | — | -40.0°C ~ 85.0°C |
| Price | $0.3183 | $0.3275 | $0.9747 | $0.2405 | $0.5824 | $0.0438 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||
| Factory Lead Time | 4 Weeks | 12 Weeks | — | — | 12 Weeks | 21 Weeks |
| YTEOL | 0 | 6.2 | 15 | 15 | 6.2 | 7 |
| Adjustability | FIXED | FIXED | — | — | FIXED | — |
| Dropout Voltage1-Max | 0.5 V | 0.7 V | — | — | 0.7 V | — |
| Dropout Voltage1-Nom | 1 V | 0.4 V | — | — | 0.45 V | — |
| Input Voltage Absolute-Max | 20 V | 40 V | — | — | 30 V | — |
| Input Voltage-Max | 16 V | 16 V | — | — | 16 V | — |
| Input Voltage-Min | 4.3 V | 4.3 V | — | — | 6 V | — |
| JESD-30 Code | R-PSSO-G4 | R-PSSO-G2 | R-PDSO-G8 | R-PDSO-G8 | R-PSSO-G2 | — |
| JESD-609 Code | e3 | e3 | e3 | e4 | — | e3 |
| Line Regulation-Max | 0.00132% | 0.016% | — | — | 0.02% | — |
| Load Regulation-Max | 0.0198% | 0.016% | — | — | 0.02% | — |
| Number of Functions | 1 | 1 | 1 | 1 | 1 | — |
| Number of Outputs | 1 | 1 | — | — | 1 | — |
| Operating Temperature TJ-Max | 125 °C | 125 °C | — | — | 150 °C | — |
| Operating Temperature TJ-Min | -40 °C | -40 °C | — | — | -40 °C | — |
| Output Current1-Max | 1 A | 0.5 A | — | — | 1 A | — |
| Output Voltage1-Max | 3.3495 V | 3.366 V | — | — | 5.2 V | — |
| Output Voltage1-Min | 3.2505 V | 3.234 V | — | — | 4.8 V | — |
| Output Voltage1-Nom | 3.3 V | 3.3 V | — | — | 5 V | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | CYLINDRICAL PACKAGE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG | SMALL OUTLINE, HEAT SINK/SLUG | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | Radial |
| Packing Method | TR | TR, 13 INCH | TR | — | TR | BULK |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | 260 | — |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — |
| Surface Mount | YES | YES | YES | YES | YES | NO |
| Terminal Finish | MATTE TIN | Matte Tin (Sn) | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Tin/Silver/Bismuth (Sn/Ag/Bi) | Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | — |
| Terminal Pitch | 1.27 mm | 2.28 mm | 1.27 mm | 1.27 mm | 2.28 mm | 2 mm |
| Terminal Position | SINGLE | SINGLE | DUAL | DUAL | SINGLE | — |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | 30 | 30 | — |
| Voltage Tolerance-Max | 1.5% | 1% | — | — | 4% | — |
| Package Equivalence Code | — | SMSIP3H,.38,90TB | SOP8,.25 | — | SMSIP3H,.38,90TB | — |
| Qualification Status | — | Not Qualified | Not Qualified | — | Not Qualified | — |
| Technology | — | BIPOLAR | BIPOLAR | BICMOS | BIPOLAR | — |
| ## LF33ABDT-TR Alternates Showing results | — | Image | — | — | — | — |
| Pbfree Code | — | — | Yes | Yes | — | — |
| Amplifier Type | — | — | OPERATIONAL AMPLIFIER | — | — | — |
| Architecture | — | — | VOLTAGE-FEEDBACK | — | — | — |
| Average Bias Current-Max (IIB) | — | — | 1.5 µA | — | — | — |
| Bias Current-Max (IIB) @25C | — | — | 0.2 µA | — | — | — |
| Common-mode Reject Ratio-Min | — | — | 70 dB | — | — | — |
| Common-mode Reject Ratio-Nom | — | — | 80 dB | — | — | — |
| Frequency Compensation | — | — | YES | — | — | — |
| Input Offset Current-Max (IIO) | — | — | 0.2 µA | — | — | — |
| Input Offset Voltage-Max | — | — | 6000 µV | — | — | — |
| Low-Bias | — | — | NO | — | — | — |
| Low-Offset | — | — | NO | — | — | — |
| Micropower | — | — | NO | — | — | — |
| Neg Supply Voltage Limit-Max | — | — | -17.5 V | — | — | — |
| Neg Supply Voltage-Nom (Vsup) | — | — | -5 V | — | — | — |
| Power | — | — | NO | — | — | — |
| Programmable Power | — | — | NO | — | — | — |
| Slew Rate-Nom | — | — | 18 V/us | — | — | — |
| Supply Current-Max | — | — | 1.7 mA | 1.1 mA | — | — |
| Supply Voltage Limit-Max | — | — | 17.5 V | — | — | — |
| Supply Voltage-Nom (Vsup) | — | — | 5 V | — | — | — |
| Temperature Grade | — | — | AUTOMOTIVE | AUTOMOTIVE | — | — |
| Unity Gain BW-Nom | — | — | 20000 | — | — | — |
| Voltage Gain-Min | — | — | 560 | — | — | — |
| Wideband | — | — | NO | — | — | — |
| ## LM7321MAX/NOPB Alternates Showing results | — | — | Image | — | — | — |
| Date Of Intro | — | — | — | 2019-09-12 | — | — |
| Differential Output | — | — | — | YES | — | — |
| Driver Number of Bits | — | — | — | 1 | — | — |
| High Level Input Current-Max | — | — | — | 0.00011 A | — | — |
| Input Characteristics | — | — | — | DIFFERENTIAL SCHMITT TRIGGER | — | — |
| Interface IC Type | — | — | — | LINE TRANSCEIVER | — | — |
| Interface Standard | — | — | — | EIA-485-A; TIA-485-A; EIA-422 | — | — |
| Out Swing-Min | — | — | — | 1.5 V | — | — |
| Output Characteristics | — | — | — | 3-STATE | — | — |
| Output Low Current-Max | — | — | — | 0.008 A | — | — |
| Output Polarity | — | — | — | TRUE | — | — |
| Receive Delay-Max | — | — | — | 120 ns | — | — |
| Receiver Number of Bits | — | — | — | 1 | — | — |
| Supply Voltage-Max | — | — | — | 5.5 V | — | — |
| Supply Voltage-Min | — | — | — | 4.5 V | — | — |
| Supply Voltage-Nom | — | — | — | 5 V | — | — |
| Supply Voltage1-Max | — | — | — | 5.5 V | — | — |
| Supply Voltage1-Min | — | — | — | 4.5 V | — | — |
| Supply Voltage1-Nom | — | — | — | 5 V | — | — |
| Transmit Delay-Max | — | — | — | 350 ns | — | — |
| ## L4941BDT-TR Alternates Showing results | — | — | — | — | Image | — |
| Reach Compliance Code | — | — | — | — | — | Compliant |
| Capacitance | — | — | — | — | — | 10 µF |
| Capacitor Type | — | — | — | — | — | ALUMINUM ELECTROLYTIC CAPACITOR |
| Diameter | — | — | — | — | — | 5 mm |
| Dielectric Material | — | — | — | — | — | ALUMINUM (WET) |
| Leakage Current | — | — | — | — | — | 0.0035 mA |
| Mounting Feature | — | — | — | — | — | THROUGH HOLE MOUNT |
| Negative Tolerance | — | — | — | — | — | 20% |
| Polarity | — | — | — | — | — | POLARIZED |
| Positive Tolerance | — | — | — | — | — | 20% |
| Rated (DC) Voltage (URdc) | — | — | — | — | — | 35 V |
| Ripple Current | — | — | — | — | — | 60 mA |
| Tan Delta | — | — | — | — | — | 0.12 |
| Terminal Shape | — | — | — | — | — | WIRE |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 5 alternatives for LDF33DT-TR — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for LDF33DT-TR 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 LDF33DT-TR 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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FAQ
What is equivalent to LDF33DT-TR?
Known equivalents for LDF33DT-TR include LF33ABDT-TR, LM7321MAX/NOPB, THVD1505DR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LDF33DT-TR?
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 LDF33DT-TR 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.