DTC143ZKAT146Alternatives & Equivalent Parts

About DTC143ZKAT146

DTC143ZKAT146 is a Transistor BJT NPN component manufactured by ROHM Semiconductor. It comes in a SOT23 (3-Pin) package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterDTC143ZKAT146SourceLMR16006YDDCRTPS65381AQDAPRQ1BAV99
ManufacturerROHM SemiconductorTexas InstrumentsTexas InstrumentsTaiwan Semiconductor
Package TypeSOT23 (3-Pin)SOT23 (6-Pin)Small Outline PackagesSOT23 (3-Pin)
Pin Count36333
Temperature Range~ 150.0°C-40.0°C ~ 150.0°C-40.0°C ~ 125.0°C-65.0°C ~ 150.0°C
Price$0.0340$0.4496$1.8420$0.0070
StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEACTIVEACTIVE
Electrical Parameters
Pbfree CodeYesYesYesYes
Factory Lead Time18 Weeks
YTEOL715150
Additional FeatureBUILT-IN BIAS RESISTOR RATIO IS 10ULTRA FAST
Collector Current-Max (IC)0.1 A
Collector-Emitter Voltage-Max50 V
ConfigurationSINGLE WITH BUILT-IN RESISTORSERIES CONNECTED, CENTER TAP, 2 ELEMENTS
DC Current Gain-Min (hFE)80
JESD-30 CodeR-PDSO-G3R-PDSO-G6R-PDSO-G32R-PDSO-G3
JESD-609 Codee1e4e4e3
Number of Elements12
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package ShapeRECTANGULARRECTANGULARRECTANGULARRECTANGULAR
Package StyleSMALL OUTLINESMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILESMALL OUTLINE, HEAT SINK/SLUGSMALL OUTLINE
Peak Reflow Temperature (Cel)260260260260
Polarity/Channel TypeNPN
Power Dissipation Ambient-Max0.2 W
Power Dissipation-Max (Abs)0.2 W
Qualification StatusNot QualifiedNot Qualified
Surface MountYESYESYESYES
Terminal FinishTin/Silver/Copper (Sn/Ag/Cu)Nickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)TIN
Terminal FormGULL WINGGULL WINGGULL WINGGULL WING
Terminal PositionDUALDUALDUALDUAL
Time@Peak Reflow Temperature-Max (s)30303030
Transistor ApplicationSWITCHING
Transistor Element MaterialSILICON
Transition Frequency-Nom (fT)250 MHz
VCEsat-Max0.3 V
Analog IC - Other TypeSWITCHING REGULATORINTEGRATED POWER MANAGEMENT UNIT
Control ModeCURRENT-MODE
Control TechniquePULSE WIDTH MODULATION
Input Voltage-Max60 V40 V
Input Voltage-Min4 V5.8 V
Input Voltage-Nom12 V
Number of Functions11
Number of Outputs15
Output Current-Max0.6 A1.3 A0.2 A
Output Voltage-Max55 V9.5 V
Output Voltage-Min0.8 V0.8 V
Package Equivalence CodeTSOP6,.11,37
Switcher ConfigurationBUCK
Switching Frequency-Max2100 kHz440 kHz
Temperature GradeAUTOMOTIVEAUTOMOTIVE
Terminal Pitch0.95 mm0.65 mm
Date Of Intro2016-10-10
Adjustable ThresholdYES
Number of Channels1
Screening LevelAEC-Q100
Supply Voltage-Max (Vsup)5.8 V
Supply Voltage-Min (Vsup)4.5 V
## TPS65381AQDAPRQ1 Alternates Showing resultsImage
Manufacturer Package Code318BM
ApplicationULTRA FAST RECOVERY
Breakdown Voltage-Min70 V
Diode Element MaterialSILICON
Diode TypeRECTIFIER DIODE
Forward Voltage-Max (VF)1.25 V
Non-rep Pk Forward Current-Max8 A
Number of Phases1
Power Dissipation-Max0.35 W
Rep Pk Reverse Voltage-Max70 V
Reverse Current-Max2.5 µA
Reverse Recovery Time-Max0.006 µs
Reverse Test Voltage70 V

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

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Get one quote covering all 3 alternatives for DTC143ZKAT146 — response within 24 hours.

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Why Look for Alternatives?

Finding alternatives for DTC143ZKAT146 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 DTC143ZKAT146 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 DTC143ZKAT146?

Known equivalents for DTC143ZKAT146 include LMR16006YDDCR, TPS65381AQDAPRQ1, BAV99. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of DTC143ZKAT146?

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 DTC143ZKAT146 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.