STEF12EPURAlternatives & Equivalent Parts

About STEF12EPUR

STEF12EPUR is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Small Outline No-lead package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterSTEF12EPURSource3549-2LM1084IT-5.0/NOPBMIC29300-12WU-TRSTM32F030C8T6TRCD74HC132EG4LM324WDT
ManufacturerSTMicroelectronicsKeystone ElectronicsTexas InstrumentsMicrochipSTMicroelectronicsTexas InstrumentsSTMicroelectronics
Package TypeSmall Outline No-leadOtherTransistor Outline, VerticalOtherQuad Flat PackagesDual-In-Line PackagesSmall Outline Packages
Pin Count11433481414
Temperature Range-40.0°C ~ 125.0°C—-40.0°C ~ 125.0°C—-40.0°C ~ 85.0°C—~ 70.0°C
Price$0.4896$0.5250$1.5000$1.9100$1.1624$0.3702$0.1217
StockIn StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVE—ACTIVEACTIVEACTIVEACTIVEACTIVE
Electrical Parameters
Manufacturer Package CodeVDFPN 10 3x3x1.0——TO-263-3———
Factory Lead Time20 Weeks——19 Weeks13 Weeks—10 Weeks
Additional FeatureCURRENT LIMIT:5.5A; THERMAL SHUTDOWN:165C——————
Adjustable ThresholdNO——————
Analog IC - Other TypeeFUSE——————
JESD-30 CodeS-PDSO-N10—R-XSFM-T3R-PSSO-G3S-PQFP-G48—R-PDSO-G14
JESD-609 Codee4—e3e3e4—e4
Number of Channels1——————
Number of Functions1—11——14
Package Body MaterialPLASTIC/EPOXY—UNSPECIFIEDPLASTIC/EPOXYPLASTIC/EPOXY—PLASTIC/EPOXY
Package Equivalence CodeSOLCC10,.12,20—SIP3,.1TBSMSIP3H,.55TBQFP48,.35SQ,20—SOP14,.25
Package ShapeSQUARE—RECTANGULARRECTANGULARSQUARE—RECTANGULAR
Package StyleSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE—FLANGE MOUNTSMALL OUTLINEFLATPACK, LOW PROFILE, FINE PITCH—SMALL OUTLINE
Peak Reflow Temperature (Cel)260——260260—260
Supply Voltage-Min (Vsup)7.6 V——————
Supply Voltage-Nom (Vsup)12 V—————5 V
Surface MountYES—NOYESYES—YES
Temperature GradeAUTOMOTIVE———INDUSTRIAL—COMMERCIAL
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)—Matte Tin (Sn)Matte Tin (Sn)Nickel/Palladium/Gold (Ni/Pd/Au)—Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormNO LEAD—THROUGH-HOLEGULL WINGGULL WING—GULL WING
Terminal Pitch0.5 mm—2.54 mm2.54 mm0.5 mm—1.27 mm
Terminal PositionDUAL—SINGLESINGLEQUAD—DUAL
Threshold Voltage-Nom8.5——————
Pbfree Code——Yes————
Reach Compliance Code——Compliant————
YTEOL——1589—5.75
Adjustability——FIXEDFIXED———
Dropout Voltage1-Max——1.5 V0.6 V———
Dropout Voltage1-Nom——1.3 V0.37 V———
Input Voltage Absolute-Max——25 V60 V———
Input Voltage-Max——29 V26 V———
Input Voltage-Min——6.5 V13 V———
Line Regulation-Max——0.01%0.06%———
Load Regulation-Max——0.035%0.12%———
Number of Outputs——11———
Operating Temperature TJ-Max——125 °C125 °C———
Operating Temperature TJ-Min——-40 °C-40 °C———
Output Current1-Max——5.5 A3 A———
Output Voltage1-Max——5.1 V12.24 V———
Output Voltage1-Min——4.9 V11.76 V———
Output Voltage1-Nom——5 V12 V———
Packing Method——TUBETR——TR
Qualification Status——Not QualifiedNot QualifiedNot Qualified—Not Qualified
Regulator Type——FIXED POSITIVE SINGLE OUTPUT LDO REGULATORFIXED POSITIVE SINGLE OUTPUT LDO REGULATOR———
Technology——BIPOLARBIPOLARCMOS—BIPOLAR
Voltage Tolerance-Max——2%2%———
## LM1084IT-5.0/NOPB Alternates Showing results——Image————
Screening Level———TS 16949———
## MIC29300-12WU-TR Alternates Showing results———Image———
Has ADC————YES——
Bit Size————32——
Boundary Scan————YES——
CPU Family————CORTEX-M0——
Clock Frequency-Max————32 MHz——
DAC Channels————NO——
DMA Channels————YES——
Number of I/O Lines————39——
On Chip Program ROM Width————8——
PWM Channels————YES——
RAM (bytes)————8192——
ROM (words)————65536——
ROM Programmability————FLASH——
Speed————48 MHz——
Supply Current-Max————23.2 mA—3 mA
Supply Voltage-Max————3.6 V——
Supply Voltage-Min————3.3 V——
Supply Voltage-Nom————3.3 V——
Time@Peak Reflow Temperature-Max (s)————30—30
uPs/uCs/Peripheral ICs Type————MICROCONTROLLER, RISC——
## STM32F030C8T6TR Alternates Showing results————Image——
Amplifier Type——————OPERATIONAL AMPLIFIER
Architecture——————VOLTAGE-FEEDBACK
Average Bias Current-Max (IIB)——————0.2 µA
Bias Current-Max (IIB) @25C——————0.1 µA
Common-mode Reject Ratio-Min——————70 dB
Common-mode Reject Ratio-Nom——————80 dB
Frequency Compensation——————YES
Input Offset Voltage-Max——————5000 µV
Low-Bias——————NO
Low-Offset——————NO
Micropower——————YES
Power——————NO
Programmable Power——————NO
Slew Rate-Nom——————0.4 V/us
Supply Voltage Limit-Max——————32 V
Unity Gain BW-Nom——————1300
Voltage Gain-Min——————25000
Wideband——————NO
## LM324WDT Alternates Showing results——————Image

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 6 alternatives for STEF12EPUR — response within 24 hours.

Quick Links

Why Look for Alternatives?

Finding alternatives for STEF12EPUR 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 STEF12EPUR 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 STEF12EPUR?

Known equivalents for STEF12EPUR include 3549-2, LM1084IT-5.0/NOPB, MIC29300-12WU-TR. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of STEF12EPUR?

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 STEF12EPUR 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.