2SA1943-R(Q)Alternatives & Equivalent Parts

About 2SA1943-R(Q)

2SA1943-R(Q) is a Transistor BJT PNP component manufactured by Toshiba. It comes in a Transistor Outline, Vertical package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

Parameter2SA1943-R(Q)Source2STA1943MIC5200-3.3YM-TR
ManufacturerToshibaSTMicroelectronicsMicrochip
Package TypeTransistor Outline, VerticalTransistor Outline, VerticalSmall Outline Packages
Pin Count338
Temperature Range~ 150.0°C~ 150.0°C
Price$71.9424$1.5390$0.6580
StockIn StockIn StockIn Stock
LifecycleNOT RECOMMENDEDOBSOLETEACTIVE
Electrical Parameters
YTEOL409
Case ConnectionCOLLECTOR
Collector Current-Max (IC)15 A15 A
Collector-Base Capacitance-Max360 pF
Collector-Emitter Voltage-Max230 V230 V
ConfigurationSINGLESINGLE
DC Current Gain-Min (hFE)5535
JESD-30 CodeR-PSFM-T3R-PSFM-T3R-PDSO-G8
Number of Elements11
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package ShapeRECTANGULARRECTANGULARRECTANGULAR
Package StyleFLANGE MOUNTFLANGE MOUNTSMALL OUTLINE
Polarity/Channel TypePNPPNP
Power Dissipation-Max (Abs)150 W150 W
Surface MountNONOYES
Terminal FormTHROUGH-HOLETHROUGH-HOLEGULL WING
Terminal PositionSINGLESINGLEDUAL
Transistor ApplicationAMPLIFIERAMPLIFIER
Transistor Element MaterialSILICONSILICON
Transition Frequency-Nom (fT)30 MHz30 MHz
VCEsat-Max3 V
JEDEC-95 CodeTO-264AA
Peak Reflow Temperature (Cel)NOT SPECIFIED260
Qualification StatusNot QualifiedNot Qualified
Time@Peak Reflow Temperature-Max (s)NOT SPECIFIED30
Manufacturer Package CodeSOIC-8
Factory Lead Time7 Weeks
AdjustabilityFIXED
Dropout Voltage1-Max0.35 V
Dropout Voltage1-Nom0.23 V
Input Voltage Absolute-Max60 V
Input Voltage-Max26 V
Input Voltage-Min4.3 V
JESD-609 Codee4
Line Regulation-Max0.0132%
Load Regulation-Max0.0099%
Number of Functions1
Number of Outputs1
Operating Temperature TJ-Max125 °C
Operating Temperature TJ-Min-40 °C
Output Current1-Max0.1 A
Output Voltage1-Max3.366 V
Output Voltage1-Min3.234 V
Output Voltage1-Nom3.3 V
Package Equivalence CodeSOP8,.24
Packing MethodTR
Regulator TypeFIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)
Terminal Pitch1.27 mm
Voltage Tolerance-Max2%
## MIC5200-3.3YM-TR Alternates Showing resultsImage

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 2 alternatives for 2SA1943-R(Q) — response within 24 hours.

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Why Look for Alternatives?

Finding alternatives for 2SA1943-R(Q) 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 2SA1943-R(Q) 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 2SA1943-R(Q)?

Known equivalents for 2SA1943-R(Q) include 2STA1943, MIC5200-3.3YM-TR. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of 2SA1943-R(Q)?

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 2SA1943-R(Q) 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.