LDF33DT-TRAlternatives & Equivalent Parts

LDF33DT-TR is marked OBSOLETE. Compare the equivalents below, check each part's lifecycle, and request a quote on a suitable replacement.

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.

Need pricing on these alternatives?

Get one quote covering all 5 alternatives for LDF33DT-TR — response within 24 hours.

Specification Comparison

ParameterLDF33DT-TRSourceLF33ABDT-TRLM7321MAX/NOPBTHVD1505DRL4941BDT-TRECA1VM100
ManufacturerSTMicroelectronicsSTMicroelectronicsTexas InstrumentsTexas InstrumentsSTMicroelectronicsPanasonic
Package TypeOtherOtherSmall Outline PackagesSmall Outline PackagesCapacitor, Polarized Radial Diameter
Pin Count338832
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
StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleOBSOLETEACTIVEACTIVEACTIVEACTIVEACTIVE
Electrical Parameters
Factory Lead Time4 Weeks12 Weeks12 Weeks21 Weeks
YTEOL06.215156.27
AdjustabilityFIXEDFIXEDFIXED
Dropout Voltage1-Max0.5 V0.7 V0.7 V
Dropout Voltage1-Nom1 V0.4 V0.45 V
Input Voltage Absolute-Max20 V40 V30 V
Input Voltage-Max16 V16 V16 V
Input Voltage-Min4.3 V4.3 V6 V
JESD-30 CodeR-PSSO-G4R-PSSO-G2R-PDSO-G8R-PDSO-G8R-PSSO-G2
JESD-609 Codee3e3e3e4e3
Line Regulation-Max0.00132%0.016%0.02%
Load Regulation-Max0.0198%0.016%0.02%
Number of Functions11111
Number of Outputs111
Operating Temperature TJ-Max125 °C125 °C150 °C
Operating Temperature TJ-Min-40 °C-40 °C-40 °C
Output Current1-Max1 A0.5 A1 A
Output Voltage1-Max3.3495 V3.366 V5.2 V
Output Voltage1-Min3.2505 V3.234 V4.8 V
Output Voltage1-Nom3.3 V3.3 V5 V
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package ShapeRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULARCYLINDRICAL PACKAGE
Package StyleSMALL OUTLINE, HEAT SINK/SLUGSMALL OUTLINE, HEAT SINK/SLUGSMALL OUTLINESMALL OUTLINESMALL OUTLINERadial
Packing MethodTRTR, 13 INCHTRTRBULK
Peak Reflow Temperature (Cel)260260260260260
Regulator TypeFIXED POSITIVE SINGLE OUTPUT LDO REGULATORFIXED POSITIVE SINGLE OUTPUT LDO REGULATORFIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Surface MountYESYESYESYESYESNO
Terminal FinishMATTE TINMatte Tin (Sn)Matte Tin (Sn)Nickel/Palladium/Gold (Ni/Pd/Au)Tin/Silver/Bismuth (Sn/Ag/Bi)Tin (Sn)
Terminal FormGULL WINGGULL WINGGULL WINGGULL WINGGULL WING
Terminal Pitch1.27 mm2.28 mm1.27 mm1.27 mm2.28 mm2 mm
Terminal PositionSINGLESINGLEDUALDUALSINGLE
Time@Peak Reflow Temperature-Max (s)3030303030
Voltage Tolerance-Max1.5%1%4%
Package Equivalence CodeSMSIP3H,.38,90TBSOP8,.25SMSIP3H,.38,90TB
Qualification StatusNot QualifiedNot QualifiedNot Qualified
TechnologyBIPOLARBIPOLARBICMOSBIPOLAR
## LF33ABDT-TR Alternates Showing resultsImage
Pbfree CodeYesYes
Amplifier TypeOPERATIONAL AMPLIFIER
ArchitectureVOLTAGE-FEEDBACK
Average Bias Current-Max (IIB)1.5 µA
Bias Current-Max (IIB) @25C0.2 µA
Common-mode Reject Ratio-Min70 dB
Common-mode Reject Ratio-Nom80 dB
Frequency CompensationYES
Input Offset Current-Max (IIO)0.2 µA
Input Offset Voltage-Max6000 µV
Low-BiasNO
Low-OffsetNO
MicropowerNO
Neg Supply Voltage Limit-Max-17.5 V
Neg Supply Voltage-Nom (Vsup)-5 V
PowerNO
Programmable PowerNO
Slew Rate-Nom18 V/us
Supply Current-Max1.7 mA1.1 mA
Supply Voltage Limit-Max17.5 V
Supply Voltage-Nom (Vsup)5 V
Temperature GradeAUTOMOTIVEAUTOMOTIVE
Unity Gain BW-Nom20000
Voltage Gain-Min560
WidebandNO
## LM7321MAX/NOPB Alternates Showing resultsImage
Date Of Intro2019-09-12
Differential OutputYES
Driver Number of Bits1
High Level Input Current-Max0.00011 A
Input CharacteristicsDIFFERENTIAL SCHMITT TRIGGER
Interface IC TypeLINE TRANSCEIVER
Interface StandardEIA-485-A; TIA-485-A; EIA-422
Out Swing-Min1.5 V
Output Characteristics3-STATE
Output Low Current-Max0.008 A
Output PolarityTRUE
Receive Delay-Max120 ns
Receiver Number of Bits1
Supply Voltage-Max5.5 V
Supply Voltage-Min4.5 V
Supply Voltage-Nom5 V
Supply Voltage1-Max5.5 V
Supply Voltage1-Min4.5 V
Supply Voltage1-Nom5 V
Transmit Delay-Max350 ns
## L4941BDT-TR Alternates Showing resultsImage
Reach Compliance CodeCompliant
Capacitance10 µF
Capacitor TypeALUMINUM ELECTROLYTIC CAPACITOR
Diameter5 mm
Dielectric MaterialALUMINUM (WET)
Leakage Current0.0035 mA
Mounting FeatureTHROUGH HOLE MOUNT
Negative Tolerance20%
PolarityPOLARIZED
Positive Tolerance20%
Rated (DC) Voltage (URdc)35 V
Ripple Current60 mA
Tan Delta0.12
Terminal ShapeWIRE

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.