ST1S12XXAlternatives & Equivalent Parts

About ST1S12XX

ST1S12XX is a Undefined or Miscellaneous component manufactured by STMicroelectronics. It comes in a SOT23 (5-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

ParameterST1S12XXSourceST1S12GR
ManufacturerSTMicroelectronicsSTMicroelectronics
Package TypeSOT23 (5-Pin)SOT23 (5-Pin)
Pin Count55
Temperature Range—-40.0°C ~ 125.0°C
Price—$0.4080
StockIn StockIn Stock
LifecycleACTIVEACTIVE
Electrical Parameters
Factory Lead Time—18 Weeks
YTEOL—7.3
Analog IC - Other Type—SWITCHING REGULATOR
Control Mode—CURRENT-MODE
Control Technique—PULSE WIDTH MODULATION
Input Voltage-Max—5.5 V
Input Voltage-Min—2.5 V
Input Voltage-Nom—3.6 V
JESD-30 Code—R-PDSO-G5
JESD-609 Code—e4
Number of Functions—1
Output Current-Max—0.7 A
Package Body Material—PLASTIC/EPOXY
Package Equivalence Code—TSOP5/6,.11,37
Package Shape—RECTANGULAR
Package Style—SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel)—260
Qualification Status—Not Qualified
Surface Mount—YES
Switcher Configuration—BUCK
Switching Frequency-Max—2080 kHz
Technology—NMOS
Temperature Grade—AUTOMOTIVE
Terminal Finish—Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form—GULL WING
Terminal Pitch—0.95 mm
Terminal Position—DUAL
Time@Peak Reflow Temperature-Max (s)—30

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

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Get one quote covering this alternative for ST1S12XX — response within 24 hours.

Quick Links

ST1S12GRby STMicroelectronics

Switching Regulator, Current-mode, 0.7A, 2080kHz Switching Freq-Max, NMOS, PDSO5

Why Look for Alternatives?

Finding alternatives for ST1S12XX 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 ST1S12XX 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 ST1S12XX?

Known equivalents for ST1S12XX include ST1S12GR. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of ST1S12XX?

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 ST1S12XX 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.