2SA1943-O(Q)Alternatives & Equivalent Parts
About 2SA1943-O(Q)
2SA1943-O(Q) is a Transistor 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
| Parameter | 2SA1943-O(Q)Source | LGU1H472MELB | TLC7733ID | TPS3808G33DBVT |
|---|---|---|---|---|
| Manufacturer | Toshiba | Nichicon | Texas Instruments | Texas Instruments |
| Package Type | Transistor Outline, Vertical | Capacitor, Polarized Radial Diameter | Small Outline Packages | SOT23 (6-Pin) |
| Pin Count | 3 | 2 | 8 | 6 |
| Temperature Range | ~ 150.0°C | -40.0°C ~ 105.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C |
| Price | $0.9180 | $2.1500 | $1.4723 | $0.2802 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | NOT RECOMMENDED | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| Factory Lead Time | 20 Weeks | — | — | — |
| YTEOL | 4 | 7 | 15 | 15 |
| Case Connection | COLLECTOR | — | — | — |
| Collector Current-Max (IC) | 15 A | — | — | — |
| Collector-Base Capacitance-Max | 360 pF | — | — | — |
| Collector-Emitter Voltage-Max | 230 V | — | — | — |
| Configuration | SINGLE | — | — | — |
| DC Current Gain-Min (hFE) | 80 | — | — | — |
| JESD-30 Code | R-PSFM-T3 | — | R-PDSO-G8 | R-PDSO-G6 |
| Number of Elements | 1 | — | — | — |
| Package Body Material | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | CYLINDRICAL PACKAGE | RECTANGULAR | RECTANGULAR |
| Package Style | FLANGE MOUNT | Snap-in | SMALL OUTLINE | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Polarity/Channel Type | PNP | — | — | — |
| Power Dissipation-Max (Abs) | 150 W | — | — | — |
| Surface Mount | NO | NO | YES | YES |
| Terminal Form | THROUGH-HOLE | — | GULL WING | GULL WING |
| Terminal Position | SINGLE | — | DUAL | DUAL |
| Transistor Application | AMPLIFIER | — | — | — |
| Transistor Element Material | SILICON | — | — | — |
| Transition Frequency-Nom (fT) | 30 MHz | — | — | — |
| VCEsat-Max | 3 V | — | — | — |
| Pbfree Code | — | Yes | Yes | Yes |
| Reach Compliance Code | — | Compliant | — | — |
| Capacitance | — | 4700 µF | — | — |
| Capacitor Type | — | ALUMINUM ELECTROLYTIC CAPACITOR | — | — |
| Diameter | — | 30 mm | — | — |
| Dielectric Material | — | ALUMINUM (WET) | — | — |
| JESD-609 Code | — | e3 | e4 | e4 |
| Leakage Current | — | 1.45 mA | — | — |
| Mounting Feature | — | THROUGH HOLE MOUNT | — | — |
| Negative Tolerance | — | 20% | — | — |
| Polarity | — | POLARIZED | — | — |
| Positive Tolerance | — | 20% | — | — |
| Rated (DC) Voltage (URdc) | — | 50 V | — | — |
| Ripple Current | — | 2580 mA | — | — |
| Tan Delta | — | 0.3 | — | — |
| Terminal Finish | — | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Pitch | — | 10 mm | 1.27 mm | 0.95 mm |
| Terminal Shape | — | SNAP-IN | — | — |
| Additional Feature | — | — | POWER-ON RESET GENERATOR | BAT BUP SW:N;MNL RST:N;OV DET:N;PW FL IP:N;PW FL IO:N;PW FL OP:N;PRG RST DLY:Y;UV DET:N;WD:N;WWD:N |
| Adjustable Threshold | — | — | NO | NO |
| Analog IC - Other Type | — | — | VOLTAGE SUPERVISOR/RESET IC | VOLTAGE SUPERVISOR/RESET IC |
| Number of Channels | — | — | 1 | 1 |
| Number of Functions | — | — | 1 | 1 |
| Package Equivalence Code | — | — | SOP8,.25 | TSOP6,.11,37 |
| Peak Reflow Temperature (Cel) | — | — | 260 | 260 |
| Qualification Status | — | — | Not Qualified | Not Qualified |
| Supply Current-Max (Isup) | — | — | 0.016 mA | 0.0057 mA |
| Supply Voltage-Max (Vsup) | — | — | 6 V | 6.5 V |
| Supply Voltage-Min (Vsup) | — | — | 2 V | 1.8 V |
| Supply Voltage-Nom (Vsup) | — | — | 5 V | 3.3 V |
| Technology | — | — | BICMOS | — |
| Temperature Grade | — | — | INDUSTRIAL | AUTOMOTIVE |
| Threshold Voltage-Nom | — | — | +2.93V | +3.07V |
| Time@Peak Reflow Temperature-Max (s) | — | — | 30 | 30 |
| ## TLC7733ID Alternates Showing results | — | — | Image | — |
| ## TPS3808G33DBVT Alternates Showing results | — | — | — | Image |
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 3 alternatives for 2SA1943-O(Q) — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for 2SA1943-O(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-O(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-O(Q)?
Known equivalents for 2SA1943-O(Q) include LGU1H472MELB, TLC7733ID, TPS3808G33DBVT. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of 2SA1943-O(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-O(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.