2STA1943Alternatives & Equivalent Parts
About 2STA1943
2STA1943 is a Transistor BJT PNP component manufactured by STMicroelectronics. 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
| Parameter | 2STA1943Source | MIC5200-3.3YM-TR |
|---|---|---|
| Manufacturer | STMicroelectronics | Microchip |
| Package Type | Transistor Outline, Vertical | Small Outline Packages |
| Pin Count | 3 | 8 |
| Temperature Range | ~ 150.0°C | — |
| Price | $1.5390 | $0.6580 |
| Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | ACTIVE |
| Electrical Parameters | ||
| YTEOL | 0 | 9 |
| Collector Current-Max (IC) | 15 A | — |
| Collector-Emitter Voltage-Max | 230 V | — |
| Configuration | SINGLE | — |
| DC Current Gain-Min (hFE) | 35 | — |
| JEDEC-95 Code | TO-264AA | — |
| JESD-30 Code | R-PSFM-T3 | R-PDSO-G8 |
| Number of Elements | 1 | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | RECTANGULAR |
| Package Style | FLANGE MOUNT | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED | 260 |
| Polarity/Channel Type | PNP | — |
| Power Dissipation-Max (Abs) | 150 W | — |
| Qualification Status | Not Qualified | Not Qualified |
| Surface Mount | NO | YES |
| Terminal Form | THROUGH-HOLE | GULL WING |
| Terminal Position | SINGLE | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | 30 |
| Transistor Application | AMPLIFIER | — |
| Transistor Element Material | SILICON | — |
| Transition Frequency-Nom (fT) | 30 MHz | — |
| Manufacturer Package Code | — | SOIC-8 |
| Factory Lead Time | — | 7 Weeks |
| Adjustability | — | FIXED |
| Dropout Voltage1-Max | — | 0.35 V |
| Dropout Voltage1-Nom | — | 0.23 V |
| Input Voltage Absolute-Max | — | 60 V |
| Input Voltage-Max | — | 26 V |
| Input Voltage-Min | — | 4.3 V |
| JESD-609 Code | — | e4 |
| Line Regulation-Max | — | 0.0132% |
| Load Regulation-Max | — | 0.0099% |
| Number of Functions | — | 1 |
| Number of Outputs | — | 1 |
| Operating Temperature TJ-Max | — | 125 °C |
| Operating Temperature TJ-Min | — | -40 °C |
| Output Current1-Max | — | 0.1 A |
| Output Voltage1-Max | — | 3.366 V |
| Output Voltage1-Min | — | 3.234 V |
| Output Voltage1-Nom | — | 3.3 V |
| Package Equivalence Code | — | SOP8,.24 |
| Packing Method | — | TR |
| Regulator Type | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Terminal Finish | — | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Pitch | — | 1.27 mm |
| Voltage Tolerance-Max | — | 2% |
| ## MIC5200-3.3YM-TR Alternates Showing results | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Why Look for Alternatives?
Finding alternatives for 2STA1943 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 2STA1943 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 2STA1943?
Known equivalents for 2STA1943 include 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 2STA1943?
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 2STA1943 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.